Javascript required to view site-wide navigation bar. >> View Alternative Site Navigation
14.01 TWO-WAY VIDEO AND VOICE COMMUNICATION (E.G., VIDEOPHONE)
14.02 Over wireless communication
14.03 User interface (e.g., touch screen menu)
14.04 Operating with other appliance (e.g., TV, VCR, FAX, etc.)
14.07 Display arrangement (e.g., multiscreen display)
14.08 Conferencing (e.g., loop)
14.09 Conferencing with multipoint control unit
14.1 Motion image conferencing
14.12 Transmission control (e.g., resolution or quality)
14.13 Compression or decompression
14.14 Still frame (e.g., freeze frame)
14.15 Field or frame difference (e.g., moving frame)
14.16 User positioning (e.g., parallax)
21 PLURAL TRANSMITTER SYSTEM CONSIDERATIONS (E.G., INTERFERENCE REDUCTION)
22 SLOW SCANNING TRANSMISSION (E.G., STILL FRAME)
23 Color TV
24 PLURAL STILL IMAGES OVER CONVENTIONAL CHANNEL
25 IMAGE FALSIFICATION TO IMPROVE VIEWER PERCEPTION OF SELECTIVE OBJECT (E.G., MOVING OBJECT OR TARGET)
26 Contour generator
27 Quantizer
28 Selective contrast expander
29 False color
30 Hue expander
31 BACK SCATTER REDUCTION
32 PSEUDO COLOR
33 Multispectral to color conversion (e.g., infrared and visible, infrared bands, etc.)
34 Including intensity to color conversion (e.g., colorizer, etc.)
35 PSEUDO BLACK AND WHITE
36 PANORAMIC
37 With continuously rotating element
38 Multiple channels
39 With observer selected field of view
40 HOLOGRAPHIC
41 Color TV
42 STEREOSCOPIC
43 Signal formatting
45 Endoscope
46 Picture signal generator
47 Multiple cameras
48 More than two cameras
49 Single camera with optical path division
50 Single camera from multiple positions
51 Stereoscopic display device
52 More than two display devices
53 Viewer attached
54 Single display with optical path division
55 Separation by time division
56 With alternating shutters
57 With alternating polarization
58 Separation by polarization
59 Separation by lenticular screen
60 Separation by color (i.e., anaglyphic)
61 SPECIAL APPLICATIONS
62 Aid for the blind
63 Image magnifying
64 Combined electronic sensing and photographic film cameras
65 With endoscope
68 Illumination
69 Controlled by video signal
70 Color sequential illumination
71 Color TV
72 Plural endoscopes interchangeable
73 External camera
74 With additional adjunct (e.g., recorder control, etc.)
75 Adaptor or connector
76 Physical structure of circuit element
77 Human body observation
79 Microscope
80 Electronic
81 Underwater
82 Hazardous or inaccessible
83 Furnace (e.g., nuclear reactor, etc.)
84 Pipeline
85 Borehole
86 Manufacturing
87 Electronic circuit chip or board (e.g., positioning)
88 Web, sheet or filament
89 Agricultural or food production
90 Welding
91 Sorting, distributing or classifying
92 Quality inspection
93 Color TV
94 Position detection
95 Alignment or positioning
96 Film, disc or card scanning
97 Motion picture film scanner
98 Mechanical optical scanning
99 Flying spot scanner
100 Flying spot scanner
102 Intermittent film movement
103 With modification of scanner sweep
105 Intermittent film movement
106 With modification of scanner sweep
107 With record location
108 Flying spot scanner
114 Remote control
115 Head-up display
116 Direction finding or location determination
117 Aircraft or spacecraft
118 Land vehicle
119 Program control (e.g., path guidance, etc.)
120 Farm vehicle
122 Visibility (e.g., fog, etc.)
123 Aircraft or spacecraft
125 Flaw detector
126 Of electronic circuit chip or board
127 Of transparent container or content (e.g., bottle, jar, etc.)
128 Of surface (e.g., texture or smoothness, etc.)
129 By comparison with reference object
130 With stored representation of reference object
131 With specific illumination detail
132 With strobe illumination
133 With circuit detail
134 Including line to line comparison
135 Object or scene measurement
136 Projected scale on object
137 Scale on camera target
138 Pulse or clock counting
139 Multiple cameras on baseline (e.g., range finder, etc.)
140 Distance by apparent target size (e.g., stadia, etc.)
141 By cursor coordinate location
142 With camera and object moved relative to each other
143 Observation of or from a specific location (e.g., surveillance)
144 Aerial viewing
145 With linear array
146 With rotating reflector
147 With transformation or rectification
149 Traffic monitoring
150 Point of sale or banking
151 Camera concealment
152 Intrusion detection
153 Using plural cameras
154 Motion detection
155 Motion detection
156 Access control
157 Sporting event
159 Plural cameras
160 Reading meter or data printer
161 Object comparison (e.g., remote verification of signature, etc.)
162 RESPONSIVE TO NONVISIBLE ENERGY
163 Sonic or ultrasonic
165 Pyroelectric
166 With linear array
167 With rotating reflector
168 With rotating reflector
169 OBJECT TRACKING
170 Using tracking gate
171 Centroidal tracking
172 Centroidal tracking
173 CATHODE-RAY TUBE BURN-IN PREVENTION
175 CAMERA WITH BUILT-IN TEST SIGNAL GENERATOR, TEST PATTERN, OR ADJUSTING ADJUNCT
177 DISPLAY OR RECEIVER WITH BUILT-IN TEST SIGNAL GENERATOR, TEST PATTERN, OR ADJUSTING ADJUNCT
179 Color match comparator
180 MONITORING, TESTING, OR MEASURING
181 Test signal generator
182 Chroma or color bar
183 VITS or ILTS
185 Combined plural functions (e.g., picture and waveform monitor)
186 Vectorscope
187 Testing of camera
188 Using test chart
189 Testing of image reproducer
190 Alignment-manufacturing
191 Display photometry
192 Transmission path testing
193 Signal to noise ratio
194 Synchronization (e.g., H-sync to subcarrier)
195 MECHANICAL OPTICAL SCANNING
197 With fiber optics
198 By acoustic wave
199 Moving aperture
200 Drum or belt
201 Multiple scanning elements
202 Moving lens or refractor
203 Moving reflector
204 Helical element
205 Vibrating or oscillating
206 SPECIAL SCANNING (E.G., SPIRAL, RANDOM, ZIGZAG)
207.99 CAMERA, SYSTEM AND DETAIL
207.1 Camera connected to computer
207.11 Computer can control camera
207.2 Camera connected to printer
208.99 Camera image stabilization
208.1 Electrical motion detection
208.2 Mechanical motion detection (gyros, accelerometers, etc.)
208.3 Differentiating unintentional from purposeful camera movement (pan, tilt)
208.5 Including both electrical and mechanical correcting devices
208.6 Electrical (memory shifting, electronic zoom, etc.)
208.8 Variable angle prisms
208.12 Combined with other camera operations (e.g., autofocus or autoexposure details)
208.13 Motion correction plus resolution enhancement
208.16 Changing camera function based on motion detection (mode, power supply)
209.99 With flying spot scanner
211.1 Communication methods
211.3 Network (master/slave, client or server, etc.)
211.5 Multiplexed or other embedded control signals
211.6 Preprogrammed or stored control instructions
211.7 Electromechanical controls (joystick, trackball, mouse, etc.)
211.8 Monitor used to control remote camera
211.9 Camera characteristics affecting control (zoom angle, distance to camera time delays, weight, etc.)
211.11 Plural cameras being controlled
211.12 Video teleconferencing (including access or authorization)
211.13 Monitor (including for controlling camera)
211.14 Camera located remotely from image processor (i.e., camera head)
217.1 With image intensifier
218.1 Unitary image formed by compiling sub-areas of same scene (e.g., array of cameras)
220.1 Still and motion modes of operation
222.1 Combined image signal generator and general image signal processing
223.1 Color balance (e.g., white balance)
224.1 Dependent upon operation or characteristic of iris, flash, lens, or filter)
225.1 With means for preventing colored object from effecting color balance
226.1 Including flicker detection (e.g., fluorescent)
227.1 With ambient light sensor
228.1 Responsive to output signal
229.1 Combined automatic gain control and exposure control (i.e., sensitivity control)
230.1 Readout of solid-state image sensor considered or altered
231.99 With details of static memory for output image (e.g., for a still camera)
231.1 Available memory space detection
231.2 Image file management
231.3 Storage of additional data
231.5 Time or date, annotation
231.6 Processing or camera details
231.8 Multiple detachable memories
231.9 Details of communication between memory and camera
240.1 Using both optical and electronic zoom
234 Details of luminance signal formation in color camera
235 With means for providing high band and low band luminance signals
236 Using distinct luminance image sensor
237 For single sensor type camera supplying plural color signals
238 Using distinct luminance image sensor
239 Camera and video special effects (e.g., subtitling, fading, or merging)
241 Including noise or undesired signal reduction
243 Dark current
244 With control of sensor temperature
245 Using dummy pixels
246 Defective pixel (e.g., signal replacement)
247 With memory of defective pixels
249 In charge coupled type sensor
250 In charge coupled type sensor
251 Shading or black spot correction
252 With transition or edge sharpening (e.g., aperture correction)
254 Gray scale transformation (e.g., gamma correction)
255 Amplitude control (e.g., automatic gain control)
256 Color TV (e.g., saturation)
257 With DC level control
258 With bias illumination
259 Combined with color separating optical system
260 For single scanning device color camera
261 Plural bias illuminators
262 With plural image scanning devices
263 Color imagery registration
264 Scanning devices offset in the image plane
265 Each supplying only one color signal
266 With single image scanning device supplying plural color signals
267 Separate complete images on face of pickup device
268 Color sequential
269 With color sequential illumination
270 With moving color filters
271 Four or more color types
272 Solid-state multicolor image sensor
273 With color filter or operation according to color filter
274 Having overlapping elements
275 Staggered or irregular elements
276 Including transparent elements
277 With three or more colors
278 Based on more than four colors
279 Based on four colors
280 Based on three colors
281 X-Y architecture
282 Charge coupled architecture
283 With multiple output registers
284 Cathode-ray tube
285 Phase separable signals
286 With indexing
287 Conductive grid at target
288 Index elements outside of image area
289 Frequency separable signals
290 Specified optical filter arrangement
291 Combined with grating, lens array, or refractor
292 Having diagonally arranged stripes
293 Interdigital signal electrodes
294 Solid-state image sensor
295 Time delay and integration mode (TDI)
296 Electronic shuttering
297 Accumulation or integration time responsive to light or signal intensity
298 In charge coupled type image sensor
299 With overflow gate or drain
300 With amplifier
301 Pixel amplifiers
302 X - Y architecture
303 With charge transfer type output register
304 With charge transfer type selecting register
305 With interlacing
306 Charge injection device (CID)
307 Photosensitive switching transistors or "static induction" transistors
308 Including switching transistor and photocell at each pixel site (e.g., "MOS-type" image sensor)
309 Exclusively passive light responsive elements in the matrix
310 With diode in series with photocell
311 Charge-coupled architecture
312 With timing pulse generator
313 With bias charge injection
314 With excess charge removal (e.g., overflow drain)
315 With staggered or irregular photosites or specified channel configuration
316 Charges transferred to opposed registers
317 Field or frame transfer type
318 With recirculation of charge
319 Charges alternately switched from vertical registers into separate storage registers; or having vertical transfer gates
320 Interline readout
321 Using multiple output registers
322 Interline readout
323 Using multiple output registers
324 Line transfer type
325 Cathode-ray tube
326 Automatic beam focusing or alignment
327 Automatic beam current control
328 Remanent image erasure
329 With emissive target or photocathode (e.g., orthicon)
330 Dissector tube
331 With photoconductive target (e.g., vidicon)
332 Array of photocells (i.e., nonsolid-state array)
333.01 With electronic viewfinder or display monitor
333.02 With display of additional information
333.03 Including display of a frame and line of sight determination
333.04 Including warning indication
333.05 Display of multiple images (e.g., thumbnail images, etc.)
333.06 Movable or rotatable unit
333.09 With optical viewfinder (e.g., correction for parallax, etc.)
333.1 With projector function
333.11 Use for previewing images (e.g., variety of image resolutions, etc.)
333.12 Modification of displayed image
336 Color separating optics
337 Prism arrangement
338 With dichroic layer or air gap between prism sections
339 Exclusively dichroic elements
340 With optics peculiar to solid-state sensor
341 Optical viewfinder
342 With frequency selective filter (e.g., IR cut, optical LPF, etc.)
343 Optical multiplexing
344 Optical path switching
345 Focus control
346 With display of focusing condition or alarm
347 With zoom position detection or interrelated iris control
348 Using active ranging
349 Using image signal
350 With auxiliary sensor or separate area on imager
351 With oscillation of lens or sensor to optimize error signal
352 With motion detection
353 By detecting contrast
354 By analyzing high frequency component
355 Plural high frequencies
356 Detection of peak or slope of image signal
357 Servo unit structure or mechanism
359 Fiber optics
360 Lens or filter substitution
362 Exposure control
363 Automatic control of iris, stop, or diaphragm
364 Based on image signal
366 Based on ambient light
367 Periodic shuttering
369 Changing viewing angle via optics
370 With object or scene illumination
371 Flash or strobe
372 Power supply
373 Support or housing
374 For internal camera components
375 For specified accessory
376 Portable or hand-held
377 CATHODE-RAY TUBE DISPLAY EXCESSIVE VOLTAGE CONTROL
378 With disabling
379 CATHODE-RAY TUBE DISPLAY AUTOMATIC BLACK LEVEL BIAS CONTROL
380 CATHODE-RAY TUBE DISPLAY BEAM CURRENT CONTROL
381 With beam energy determining color
382 Variable depth of penetration of electron beam into the luminescent layer
383 MODULAR IMAGE DISPLAY SYSTEM
384.1 BANDWIDTH REDUCTION SYSTEM
385.1 Plural video programs in single channel
387.1 Data rate reduction
388.1 Multiple channel (e.g., plural carrier)
389.1 Including one conventional or compatible channel (e.g., two channel NTSC systems)
390.1 Data rate reduction
391.1 Specified color signal
392.1 Sub-Nyquist sampling
393.1 Direct coding of color composite signal
396.1 Including luminance signal
397.1 Using separate coders for different picture features (e.g., highs, lows)
398.1 Subband encoding (e.g., low horizontal/low vertical frequency, low horizontal/high vertical frequency)
399.1 Picture feature dependent sampling rate or sample selection
400.1 Involving hybrid transform and difference coding
401.1 With prior difference coding
402.1 Including motion vector
403.1 Involving transform coding
408.1 Transformed sample selection (e.g., hierarchical sample selection)
409.1 Involving difference transmission (e.g., predictive)
410.1 Involving both base and differential encoding
412.1 Including temporal predictor (e.g., frame difference)
413.1 Including motion vector
414.1 Involving pattern matching
415.1 Including temporal prediction (e.g., frame difference)
416.1 Including motion vector
417.1 Involving pattern matching
418.1 Involving pattern matching
419.1 Coding element controlled by buffer fullness
420.1 Involving block coding
421.1 Involving minimum, maximum, or average of block
422.1 Involving pattern matching
423.1 Arrangements for multiplexing one video signal, one or more audio signals, and a synchronizing signal
424.1 Sub-Nyquist sampling
425.1 Associated signal processing
425.2 Involving error detection or correction
425.3 Involving signal formatting
425.4 Involving synchronization
427.1 Including frequency folding (e.g., subsampling)
428.1 Spotwobble (e.g., pixels from plural lines form single transmitted line)
429.1 Including video-related information
430.1 Using two or more frames
432.1 Added video information in standard channel format
433.1 Including additional modulation of picture carrier (e.g., quadrature)
434.1 Including information in sync, blanking, or overscan
435.1 During vertical blanking interval
436.1 Including use of a subcarrier
437.1 Individual processing of different parts of image frequency band (e.g., sum and difference, high band/low band)
438.1 Individual processing of different parts of image frequency band (e.g., sum and difference, high band/low band)
439.1 Frame field or line dropping followed by time expansion and time compression
440.1 Scan rate variation
441 FORMAT CONVERSION
442 Involving polar to Cartesian or vice versa
443 Involving both line number and field rate conversion (e.g., PAL to NTSC)
444 Specified chrominance signal
445 Conversion between standards with different aspect ratios
446 Progressive to interlace
447 Field rate type flicker compensating
448 Line doublers type (e.g., interlace to progressive IDTV type)
449 Including nonstandard signal detection
450 Specified chrominance processing (e.g., Y/C separation)
451 Motion adaptive
452 Motion adaptive
453 Specified chrominance processing
454 PAL to NTSC or vice versa
455 In which simultaneous signals are converted into sequential signals or vice versa
456 Field or frame sequential to simultaneous
457 Frequency change of subcarrier
458 Changing number of lines for standard conversion
459 Changing number of fields for standard conversion
460 DIVERSE DEVICE CONTROLLED BY INFORMATION EMBEDDED IN VIDEO SIGNAL
461 NONPICTORIAL DATA PACKET IN TELEVISION FORMAT
465 Data separation or detection
466 Error correction or prevention
467 Data format
468 Including teletext decoder or display
470 Adapted to reduce noise or for frequency modulation (e.g., variable gain)
471 Including pulse modulation of video signal (e.g., pulse width, PAM)
472 Pulse code modulation
473 Including additional information
474 For controlling video processing (e.g., digitally assisted video)
475 Additional modulation of picture carrier (e.g., quadrature)
476 During sync, blanking, or overscan
477 During both vertical and horizontal blanking
478 During vertical blanking
479 During horizontal blanking
480 Sound signal
481 Plural (e.g., stereo or SAP)
482 Sound signal
483 Plural (e.g., stereo or SAP)
484 Sound signal
485 Plural (e.g., stereo or SAP)
486 Including the use of a subcarrier
487 Broadband (e.g., occupying two adjacent channels or parts thereof)
488 Specified color signal format
489 Time division multiplexing of luminance and chrominance (e.g., MAC)
490 Field or frame sequential systems
491 Simultaneous and sequential (e.g., SECAM)
492 Simultaneous signals
493 Luminance plus dual-phase modulated color carrier
494 Dot sequential
495 Of sync signal
497 FLUTTER OR JITTER CORRECTION (E.G., DYNAMIC REPRODUCTION)
498 Specified color
499 Using frequency shifting (e.g., heterodyne)
500 SYNCHRONIZATION
501 Reprocessing
502 Specified color
503 For sequential color components
504 With line rate switch (e.g., SECAM)
505 Phase locking regenerated subcarrier to color burst
507 Including demodulator
509 With line rate switch (e.g., PAL)
510 Locking of computer to video timebase
511 Control of picture position
512 Locking of video or audio to reference timebase
513 Frame or field synchronizers
514 Color television
515 Audio to video
516 By controlling video or sync generator
517 Color television
518 Including compensation for transmission delays
519 Color television
521 Sync generation
522 Means on video signal generator
523 With addressable memory
524 With counter or frequency divider
525 Sync separation
526 Field or frame identification
528 Including automatic gain control (AGC)
529 To produce distinct vertical output
530 With distinct horizontal output
531 To produce distinct horizontal output
532 By amplitude
533 Noise reduction
534 Amplitude limiting
535 Noise inversion
536 Automatic phase or frequency control
537 Of sampling or clock
538 With data interpolation
540 Horizontal sync component
541 Cascaded phase or frequency adjusting
542 Plural distinct operating modes
544 Locking rates
545 Different mode during vertical blanking
547 Vertical sync component
549 Using color subcarrier
550 To achieve interlaced scanning
551 Of mechanical scan
552 COMBINED WITH DIVERSE ART DEVICE (E.G., COMPUTER, TELEPHONE)
553 BASIC RECEIVER WITH ADDITIONAL FUNCTION
554 Multimode (e.g., composite, Y, C; baseband RF)
555 For receiving more than one format at will (e.g., NTSC/PAL)
556 For format with different aspect ratio
557 Color processing
558 Format detection
559 Instant replay or freeze frame
560 Color television processing
561 For magnification of part of image
562 Color television
563 For display of additional information
564 Simultaneously and on same screen (e.g., multiscreen)
565 Picture in picture
566 Color television
568 Compression
569 Receiver indicator (e.g., on screen display)
570 Tuning indication
571 IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION
572 A/D converters
573 Analog to binary
574 Including dither
575 Video reprocessing
576 Selective image modification (e.g., touch up)
577 Color change type
578 Special effects
579 Strobe (e.g., ball tracker)
580 Geometric transformation
581 Size change
582 Color signal
584 Combining plural sources
585 Including priority key
586 Foreground/background insertion
587 Including hue detection (e.g., chroma key)
588 Multiple distinct images (e.g., splitscreen)
589 Including insertion of characters or graphics (e.g., titles)
590 Specified details of key signal generation or processing
591 Self keyers (e.g., key generated from video being mixed
592 Chroma key (e.g., hue detector)
593 Artificial key generation
594 Wipes signal generator
595 Fades signal generator
596 Window signal generator (e.g., rectangle)
597 For generation of soft edge (e.g., blending)
598 Specified details of signal combining
599 Color signal
600 Graphic or character insertion type
601 Marker or pointer generator
602 Display controlled by ambient light
603 Specified color (e.g., saturation and contrast control)
604 Including nonstandard signal detection controlling processing
605 Including vertical interval reference (e.g., VIR)
606 Combined noise reduction and transition sharpening
607 Noise or undesired signal reduction
608 Processing at encoder or transmitter (e.g., pre-correction)
609 Reduction of chrominance luminance cross-talk (e.g., precomb)
611 To suppress echo
612 Color signals
613 Complementary system (e.g., preemphasis - deemphasis)
614 Ghost elimination (e.g., multipath)
615 Blackspot or shading correction (e.g., corrects for fixed pattern defects)
616 Dropout compensator (e.g., replacement type)
617 For color television
618 For removal of low amplitude random noise (e.g., variable bandwidth)
619 Averaging type
620 Using frame or field delays (e.g., motion adaptive)
621 For color television
622 Noise component generator, limiter, subtractor type
623 Coring type
624 For color television
625 Transition or edge sharpeners
626 Scanning velocity modulation
627 Including processing to prevent the addition of noise (e.g., coring enhancement signal, noise responsive peaking control)
628 Vertical transition
629 Including horizontal transition
630 Color television processing
631 Luminance transition controls chrominance transition
632 Sound muting
633 Including picture blanking
634 Picture blanking
635 For color television
636 At transmitter
637 Retrace type
638 Chrominance signal demodulator
641 For quadrature signal (e.g., NTSC)
642 Color encoder or chrominance signal modulator
643 Color killer
644 Including chrominance signal amplitude control
645 Chrominance signal amplitude control (e.g., saturation)
648 Picture responsive (e.g., overload)
649 Hue control
650 Scene by scene color correction
652 Fleshtone corrector (e.g., fixed)
653 By phase change of chrominance signal or subcarrier
654 By phase change of chrominance signal or subcarrier
655 Color balance or temperature (e.g., white balance)
656 Receiver type
657 Including feedback control
658 Including optical sensor to observe display (e.g., CRT)
659 Matrixing or mixing
661 Masking (e.g., R, G, B to R`, G`, B`)
662 Chrominance phase adjuster (e.g., inverter)
663 Chrominance-luminance signal separation
664 Logic circuit type
665 Including comb filter (e.g., using line, field, frame delays)
666 Including adaptive artifacts removal (e.g., switchable trap or LPF in luma channel)
667 Adaptive comb filter
668 Selects or blends two or more separated signals to derive output
669 Including frame or field delays (e.g., motion adaptive)
670 Including frame or field delays
671 Gray scale transformation
672 Using histogram
673 Combined contrast control and brightness or DC level control
674 Nonlinear amplitude modification (e.g., gamma)
675 Color television
676 By adding outputs from parallel channels
677 With specified DC level control
678 Automatic range control (e.g., AGC, automatic contrast control)
679 Color television
680 At transmitter
681 Carrier envelope
682 Sync or blanking
683 Noise reduction or elimination
685 Delayed AGC
686 Manual contrast control (e.g., linear)
687 Brightness control
688 By subtracting averaged active video portion (e.g., flare)
689 With DC clamping
690 White limiter
691 DC insertion
692 Color television
693 At transmitter
694 For plural signals or signal components
695 Level inserted during keying signals (e.g., keyed clamp)
696 Insertion level derived by key signals
697 Level derived within feedback path
699 Motion vector generation
700 Motion dependent key signal generation or scene change detection
701 Specified processing of frame or field difference signal (e.g., noise reduction, key signal spreading)
702 Composite color signal
703 Hue or saturation detector
704 Sweep expansion or reduction
706 receiver type
708 Color television signal processing
709 Signal modification for one gun color tube (e.g., dot sequential)
710 Differential phase or amplitude responsive
711 Frequency response modification
712 Luminance channel circuitry
713 Chrominance channel circuitry
714 With details of static storage device
715 For storing a sequence of frames or fields
716 Specified data formatting (e.g., memory mapping)
717 Of color signal
718 Accessing circuitry
719 Including processor interface (e.g., CPU)
721 Plural processing units
722 STUDIO EQUIPMENT
723 TELEVISION TRANSMITTER CIRCUITRY
725 RECEIVER CIRCUITRY
726 Demodulator
727 Color television
728 Color television
729 Television receiver adapted to receive radio broadcast or in combination with radio receiver
730 Power supply
732 Search tuning
733 Tuning voltage
734 Remote control
735 Automatic frequency control
736 Sound traps
737 Intercarrier circuits
738 Sound circuit
739 VIDEO DISPLAY
740 Array of shutters
741 Red-white phenomena
742 Color sequential
743 With moving color filters
744 Projection device
745 With alignment, registration or focus
746 Raster shape distortion
747 Raster size or position compensation
748 With cooling device
750 Plural parallel light modulators
751 Liquid crystal
752 Using birefringent or polarizing medium (e.g., Kerr cell, Pockel`s cell, etc.)
753 Electron beam addressed
754 Acousto-optic (e.g., Bragg cell, etc.)
755 Deformable medium
756 With optical element
757 Beam combining
758 Plural serial light modulators
759 Single light modulator
761 Liquid crystal
762 Using birefringent or polarizing medium (e.g., Kerr cell, Pockel`s cell, etc.)
763 Electron beam addressed
764 Deformable medium
766 Liquid crystal
767 Using birefringent or polarizing medium (e.g., Kerr cell, Pockel`s cell, etc.)
768 Electron beam addressed
769 Acousto-optic
770 Deformable medium
771 Including solid-state deflection elements (e.g., deformable mirror device (DMD))
772 Medium in tape, ribbon, or membrane form
773 Fluid medium
774 Deformed into diffraction grating (e.g., using electron beam)
775 Having significant chemical composition
776 Cathode-ray tube image source
777 With intensifier
778 Plural CRTs
779 With optical element
780 Beam combining
781 With optical element
782 Mirror arrangement
783 Concave mirror
784 With correcting plate
786 With screen or absorption filter
787 Cabinet or chassis
789 Cabinet or chassis
790 Liquid crystal
792 Scanning circuit
793 Interlacing
794 With cabinet or housing structure
795 Direct viewed light valve
796 Vacuum panel
797 Gas discharge
798 Array of lamps
800 Electroluminescent (e.g., scanned matrix, etc.)
801 Light emitting diode
804 With optical fiber device
805 Cathode-ray tube
806 With distortion, alignment or focus
807 Color convergence correction
809 Separate electron beams in single tube
810 One electron beam supplying more than one color
811 Beam position indicating
812 Horizontal stripes
813 Photoelectric sensor
814 Secondary emission sensor
815 With electron-optical color selection
816 With color specific optical device
817 Electrochromic device
818 Protective device
819 Radiation protection for user
820 External electric or magnetic effect
821 Implosion protection
822 Tensioned band
823 Protective glass or panel
824 Bonded to CRT faceplate
826 CRT having only support at front portion
827 CRT position adjustable by user
828 Deflection element support
830 Supported by CRT neck
832 With optical element
833 For line elimination
834 Glare reduction
836 Cabinet or chassis
837 With vehicle
840 Multiple screens
842 Light shielding
843 Cabinet back
844 MISCELLANEOUS
901 HIGH SPEED TELEVISION SYSTEM
902 PHOTOCHROMIC
903 INCLUDING SIDE PANEL INFORMATION IN SINGLE CHANNEL
904 SEPARATION OR JOINING OF SIDE AND CENTER PANELS
905 REPRODUCTION OF A COLOR FIELD OR FRAME
908 CONVERTIBLE CIRCUITS (E.G., Y/C SEPARATION OR NOISE REDUCTION)
909 NOISE RESPONSIVE SIGNAL PROCESSING
910 FLICKER REDUCTION
911 LINE DOUBLER ADAPTED FOR REPRODUCING PROGRAM ORIGINALLY FROM FILM (E.G., 24 FRAME PER SECOND)
912 DIFFERENTIAL AMPLITUDE CONSIDERATION (E.G., AMPLITUDE VS. FREQUENCY)
913 LETTERBOX (E.G., DISPLAY 16:9 ASPECT RATIO IMAGE ON 4:3 SCREEN)
914 DELAY FOR EQUALIZATION
FOR000 CLASS-RELATED FOREIGN DOCUMENTS
Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
FOR100 BANDWIDTH REDUCTION SYSTEM (348/384)
FOR101 Plural video programs in single channel (348/385)
FOR102 Color television (348/386)
FOR103 Bit-rate reduction (348/387)
FOR104 Multiple channel (e.g., plural carrier) (348/388)
FOR105 Including one conventional or compatible channel (e.g., two channel NTSC systems) (348/389)
FOR106 Bit-rate reduction (348/390)
FOR107 Specified color signal (348/391)
FOR108 Sub-Nyquist sampling (348/392)
FOR109 Direct coding of color composite signal (348/393)
FOR110 Predictive coding (348/394)
FOR111 Transform coding (348/395)
FOR112 Including luminance signal (348/396)
FOR113 Using separate coders for different picture features (e.g., highs, lows) (348/397)
FOR114 Sub-band encoding (e.g., low horizontal/low vertical frequency, low horizontal/high vertical frequency) (348/398)
FOR115 Picture feature dependent sampling rate or sample selection (348/399)
FOR116 Involving hybrid transform and difference coding (348/400)
FOR117 With prior difference coding (348/401)
FOR118 Including motion vector (348/402)
FOR119 Involving transform coding (348/403)
FOR124 Transformed sample selection (e.g., hierarchical sample selection) (348/408)
FOR125 Involving difference transmission (348/409)
FOR126 Involving both PCM and DPCM encoding (348/410)
FOR127 Plural predictors (348/411)
FOR128 Including temporal predictor (e.g., frame difference) (348/412)
FOR129 Including motion vector (348/413)
FOR130 Involving vector quantization (348/414)
FOR131 Including temporal prediction (e.g., frame difference) (348/415)
FOR132 Including motion vector (348/416)
FOR133 Involving vector quantization (348/417)
FOR134 Involving vector quantization (348/418)
FOR135 Coding element controlled by buffer fullness (e.g., adaptive quantizer) (348/419)
FOR136 Involving block coding (348/420)
FOR137 PCM represents minimum, maximum, or average of block (348/421)
FOR138 Involving vector quantization (348/422)
FOR139 Arrangements for multiplexing one video signal, one or more audio signals, and a synchronizing signal (348/423)
FOR140 Sub-Nyquist sampling (348/424)
FOR142 Associated signal processing (348/845)
FOR143 Involving error detection or correction (348/845.1)
FOR144 Involving signal formatting (348/845.2)
FOR145 Involving synchronization (348/845.3)
FOR146 Format type (e.g., HDTV or EDTV) (348/426)
FOR147 Including frequency folding (e.g., subsampling) (348/427)
FOR148 Spotwobble (e.g., pixels from plural lines form single transmitted line) (348/428)
FOR149 Including video related information (e.g., digitally assisted television) (348/429)
FOR150 Using two or more frames (348/430)
FOR151 Motion adaptive (348/431)
FOR152 Added video information in standard channel format (e.g., compatible EDTV) (348/432)
FOR153 Including additional modulation of picture carrier (e.g., quadrature) (348/433)
FOR154 Including information in sync, blanking, or overscan (348/434)
FOR155 During vertical blanking interval (348/435)
FOR156 Including the use of a subcarrier (348/436)
FOR157 Individual processing of different parts of image frequency band (e.g., sum and difference, high band/low band) (348/437)
FOR158 Individual processing of different parts of image frequency band (e.g., sum and difference, high band/low band) (438/438)
FOR159 Frame field or line dropping followed by time expansion and time compression (348/439)
FOR160 Scan rate variation (348/440)
CAMERA, SYSTEM AND DETAIL (348/207)
FOR161 With electronic viewfinder or display monitor (348/333)
FOR162 With indicium (348/334)
FOR163 USE SURVEY AND ACCOUNTING (348/1)
FOR164 Monitoring of physical reaction of viewer (348/2)
FOR166 Monitoring of synchronization or blanking pulse (e.g., horizontal or vertical pulse signal) (348/4)
FOR167 With video cassette recorder (VCR) (348/5)
FOR168 USE OR ACCESS BLOCKING (E.G., LOCKING SWITCH) (348/5.5)
FOR169 WIRED BROADCAST (E.G., CABLE) (348/6)
FOR170 Broadcast on demand (348/7)
FOR171 Local distribution (e.g., hotel, hospital, vehicle, etc.) (348/8)
FOR172 Controlled signal substitution (e.g., emergency warning, local preemption, etc.) (348/9)
FOR173 With subscriber terminal details (348/10)
FOR174 For frequency conversion (348/11)
FOR176 TWO-WAY (E.G., INTERACTIVE) (348/13)
FOR177 With voice capability (e.g., videophone) (348/14)
FOR180 Transmission scheme (348/17)
FOR181 Still frame (i.e., freeze frame) (348/18)
FOR182 Field or frame difference (e.g., moving frame) (348/19)
FOR183 User positioning (e.g., parallax) (348/20)
FOR184 CAMERA, SYSTEM AND DETAIL (348/207)
FOR185 Camera image stabilization (348/208)
FOR186 With flying spot scanner (348/209)
FOR187 For color scanning (348/210)
FOR188 Remote control (348/211)
FOR189 By multiplexed control signals (e.g., duplexing, etc.) (348/212)
FOR190 Preprogrammed or stored control instructions (348/213)
FOR191 Body movement actuation (348/214)
FOR192 With streak device (348/215)
FOR193 Low light level (348/216)
FOR194 With image intensifier (348/217)
FOR195 Unitary image formed by compiling sub-areas of same scene (e.g., array of cameras) (348/218)
FOR197 Still and motion modes of operation (348/220)
FOR198 Exposure control (348/221)
FOR199 Combined image signal generator and general image signal processing (348/222)
FOR200 Color balance (e.g., white balance) (348/223)
FOR201 Dependent upon operation or characteristic of iris, flash, lens, or filter (348/224)
FOR202 With means for preventing colored object from effecting color balance (348/225)
FOR203 Including flicker detection (e.g., fluorescent (348/226)
FOR204 With ambient light sensor (348/227)
FOR205 Responsive to output signal (348/228)
FOR206 Combined automatic gain control and exposure control (i.e., sensitivity control (348/229)
FOR207 Readout of solid-state image sensor considered or altered (348/230)
FOR208 With details of static memory for output image (e.g., for a still camera) (348/231)
FOR209 With storage of additional, non-image information (e.g., audio, time, date) (348/232)
FOR211 Electronic zoom (348/240)
FOR212 Variable magnification (i.e., zoom) (348/358)
This file produced by USPTO - SIRA - Office of Patent Automation - Reference
Tools Project
Contact: United States Patent and Trademark Office - Classification Operations
Crystal Park 3, Suite 902 Washington, DC 20231 phone: (703) 305-5107
For questions and comments please e-mail .
Note: The Patent
and Trademark Depository Library Program (PTDLP) administers a nationwide
network of public, state and academic libraries designated as Patent and
Trademark Depository Libraries authorized by 35 U.S.C. 13 to: Disseminate
Patent and Trademark Information Support Diverse Intellectual Property
Needs of the Public
Contact: United States Patent and Trademark Office - PTDLP Crystal Park
3, Suite 481 Washington, DC 20231 Fax: (703) 306-2662
Note: For information/comments on electronic information products, such
as purchasing USPTO data, or to discuss system requirements for magnetic
tape products, contact:
Information Products Division -- U.S. Patent and Trademark Office
Information Products Division
PK3- Suite 441 Washington, DC 20231
tel: (703) 306-2600 FAX: (703) 306-2737 email: oeip@uspto.gov
Or, browse
their on-line catalog.
The Inventors
Assistance Center is available to help you on patent
matters. Send questions about USPTO programs and services
to the USPTO
Contact Center (UCC) . You can suggest USPTO webpages
or material you would like featured on this section by E-mail
to the webmaster@uspto.gov .
While we cannot promise to accommodate all requests, your suggestions
will be considered and may lead to other improvements on the
website.
javascript displays date of file obtained from webserver