PATENTS   
Patents > Tools and Guidance >> Classification >>> Class Schedule
    Class Numbers & Titles   | Class Numbers Only   | USPC Index   | International   | HELP  
You are viewing a USPC Schedule.
[Search a list of Patent Appplications for class 341]  Class   341CODED DATA GENERATION OR CONVERSION
Click here for a printable version of this file
[List of Patents for class 341 subclass 1]  1           DIGITAL PATTERN READING TYPE CONVERTER
[List of Patents for class 341 subclass 2]  2           Subclass 2 indent level is 1 Plural denominationally related carriers (e.g., coarse/fine geared discs)
[List of Patents for class 341 subclass 3]  3           Subclass 3 indent level is 1 Plural types of codes on single carrier
[List of Patents for class 341 subclass 4]  4           Subclass 4 indent level is 1 According to nonlinear function
[List of Patents for class 341 subclass 5]  5           Subclass 5 indent level is 1 For X or Y coordinate determination (e.g., stylus-pad)
[List of Patents for class 341 subclass 6]  6           Subclass 6 indent level is 1 With directional discrimination
[List of Patents for class 341 subclass 7]  7           Subclass 7 indent level is 1 Antiambiguity feature
[List of Patents for class 341 subclass 8]  8           Subclass 8 indent level is 1 Real and complementary patterns
[List of Patents for class 341 subclass 9]  9           Subclass 9 indent level is 1 Having combined (e.g., denominational, combination code) coding pattern
[List of Patents for class 341 subclass 10]  10           Subclass 10 indent level is 2 Constant distance code
[List of Patents for class 341 subclass 11]  11           Subclass 11 indent level is 1 Incremental
[List of Patents for class 341 subclass 12]  12           Subclass 12 indent level is 1 Cathode ray
[List of Patents for class 341 subclass 13]  13           Subclass 13 indent level is 1 Optical
[List of Patents for class 341 subclass 14]  14           Subclass 14 indent level is 2 Having optical waveguide
[List of Patents for class 341 subclass 15]  15           Subclass 15 indent level is 1 Magnetic, inductive or capacitive
[List of Patents for class 341 subclass 16]  16           Subclass 16 indent level is 1 Brush and contacts or conductive pattern
[List of Patents for class 341 subclass 17]  17           Subclass 17 indent level is 1 Actuated by physical projection
[List of Patents for class 341 subclass 20]  20           BODILY ACTUATED CODE GENERATOR
[List of Patents for class 341 subclass 21]  21           Subclass 21 indent level is 1 For handicapped user
[List of Patents for class 341 subclass 22]  22           Subclass 22 indent level is 1 Including keyboard or keypad
[List of Patents for class 341 subclass 23]  23           Subclass 23 indent level is 2 Variable key legends
[List of Patents for class 341 subclass 24]  24           Subclass 24 indent level is 2 With error prevention means (e.g., debounce, antichatter)
[List of Patents for class 341 subclass 25]  25           Subclass 25 indent level is 3 With rollover feature (i.e., antidoublestrike)
[List of Patents for class 341 subclass 26]  26           Subclass 26 indent level is 2 With particular key scanning feature
[List of Patents for class 341 subclass 27]  27           Subclass 27 indent level is 2 With audible or tactile indicator
[List of Patents for class 341 subclass 28]  28           Subclass 28 indent level is 2 For pictorial or ideographic characters (e.g., design, chinese or japanese characters)
[List of Patents for class 341 subclass 29]  29           Subclass 29 indent level is 2 With variable pulse spacing or grouping
[List of Patents for class 341 subclass 30]  30           Subclass 30 indent level is 2 For numerical pulse type transmission
[List of Patents for class 341 subclass 31]  31           Subclass 31 indent level is 2 Photoelectric actuation
[List of Patents for class 341 subclass 32]  32           Subclass 32 indent level is 2 Magnetic or inductive actuation
[List of Patents for class 341 subclass 33]  33           Subclass 33 indent level is 2 Capacitive actuation
[List of Patents for class 341 subclass 34]  34           Subclass 34 indent level is 2 Pressure sensitive actuation
[List of Patents for class 341 subclass 35]  35           Subclass 35 indent level is 1 With rotary dial
[List of Patents for class 341 subclass 50]  50           DIGITAL CODE TO DIGITAL CODE CONVERTERS
[List of Patents for class 341 subclass 51]  51           Subclass 51 indent level is 1 Adaptive coding
[List of Patents for class 341 subclass 52]  52           Subclass 52 indent level is 1 To or from particular bit symbol
[List of Patents for class 341 subclass 53]  53           Subclass 53 indent level is 2 Bit represented by pulse width
[List of Patents for class 341 subclass 54]  54           Subclass 54 indent level is 2 Bit represented by discrete frequency
[List of Patents for class 341 subclass 55]  55           Subclass 55 indent level is 1 Substituting specified bit combinations for other prescribed bit combinations
[List of Patents for class 341 subclass 56]  56           Subclass 56 indent level is 1 To or from multi-level codes
[List of Patents for class 341 subclass 57]  57           Subclass 57 indent level is 2 Binary to or from ternary
[List of Patents for class 341 subclass 58]  58           Subclass 58 indent level is 1 To or from minimum d.c. level codes
[List of Patents for class 341 subclass 59]  59           Subclass 59 indent level is 1 To or from run length limited codes
[List of Patents for class 341 subclass 60]  60           Subclass 60 indent level is 1 To or from packed format
[List of Patents for class 341 subclass 61]  61           Subclass 61 indent level is 1 Data rate conversion
[List of Patents for class 341 subclass 62]  62           Subclass 62 indent level is 1 BCD (binary-coded-decimal) to or from decimal
[List of Patents for class 341 subclass 63]  63           Subclass 63 indent level is 1 To or from bit count codes
[List of Patents for class 341 subclass 64]  64           Subclass 64 indent level is 1 To or from number of pulses
[List of Patents for class 341 subclass 65]  65           Subclass 65 indent level is 2 To or from Huffman codes
[List of Patents for class 341 subclass 66]  66           Subclass 66 indent level is 2 To or from Morse code
[List of Patents for class 341 subclass 67]  67           Subclass 67 indent level is 1 To or from variable length codes
[List of Patents for class 341 subclass 68]  68           Subclass 68 indent level is 1 To or from NRZ (nonreturn-to-zero) codes
[List of Patents for class 341 subclass 69]  69           Subclass 69 indent level is 2 Return-to-zero to or from NRZ (nonreturn-to-zero) codes
[List of Patents for class 341 subclass 70]  70           Subclass 70 indent level is 2 To or from bi-phase level code (e.g., split phase code, Manchester code)
[List of Patents for class 341 subclass 71]  71           Subclass 71 indent level is 2 To or from bi-phase space or mark codes (e.g., double frequency code, FM code)
[List of Patents for class 341 subclass 72]  72           Subclass 72 indent level is 2 To or from delay modulation code (e.g., Miller code, three frequency code, MFM code)
[List of Patents for class 341 subclass 73]  73           Subclass 73 indent level is 2 To or from coded mark inversion
[List of Patents for class 341 subclass 74]  74           Subclass 74 indent level is 2 To or from double density code
[List of Patents for class 341 subclass 75]  75           Subclass 75 indent level is 1 To or from nonlinear codes
[List of Patents for class 341 subclass 76]  76           Subclass 76 indent level is 1 To or from differential codes
[List of Patents for class 341 subclass 77]  77           Subclass 77 indent level is 2 To or from delta modulation codes
[List of Patents for class 341 subclass 78]  78           Subclass 78 indent level is 1 Programmable structure
[List of Patents for class 341 subclass 79]  79           Subclass 79 indent level is 1 Tree structure
[List of Patents for class 341 subclass 80]  80           Subclass 80 indent level is 1 To or from fibonacci codes
[List of Patents for class 341 subclass 81]  81           Subclass 81 indent level is 1 To or from interleaved format
[List of Patents for class 341 subclass 82]  82           Subclass 82 indent level is 1 To or from mixed code formats
[List of Patents for class 341 subclass 83]  83           Subclass 83 indent level is 1 To or from mixed base codes
[List of Patents for class 341 subclass 84]  84           Subclass 84 indent level is 2 Binary to BCD (binary-coded decimal)
[List of Patents for class 341 subclass 85]  85           Subclass 85 indent level is 2 BCD (binary-coded decimal) to binary
[List of Patents for class 341 subclass 86]  86           Subclass 86 indent level is 1 Generator runs until new code is generated
[List of Patents for class 341 subclass 87]  87           Subclass 87 indent level is 1 Unnecessary data suppression
[List of Patents for class 341 subclass 88]  88           Subclass 88 indent level is 1 Multiple conversions using same converter
[List of Patents for class 341 subclass 89]  89           Subclass 89 indent level is 1 Reversible converters
[List of Patents for class 341 subclass 90]  90           Subclass 90 indent level is 1 To or from alphanumeric code formats
[List of Patents for class 341 subclass 91]  91           Subclass 91 indent level is 2 To or from Baudot code
[List of Patents for class 341 subclass 92]  92           Subclass 92 indent level is 2 To or from Hollerith code
[List of Patents for class 341 subclass 93]  93           Subclass 93 indent level is 1 Complementers
[List of Patents for class 341 subclass 94]  94           Subclass 94 indent level is 1 With error detection or correction
[List of Patents for class 341 subclass 95]  95           Subclass 95 indent level is 1 Byte length changed
[List of Patents for class 341 subclass 96]  96           Subclass 96 indent level is 1 To or from constant distance codes
[List of Patents for class 341 subclass 97]  97           Subclass 97 indent level is 2 Gray to binary
[List of Patents for class 341 subclass 98]  98           Subclass 98 indent level is 2 Binary to Gray
[List of Patents for class 341 subclass 99]  99           Subclass 99 indent level is 1 To or from display device codes
[List of Patents for class 341 subclass 100]  100           Subclass 100 indent level is 1 Serial to parallel
[List of Patents for class 341 subclass 101]  101           Subclass 101 indent level is 1 Parallel to serial
[List of Patents for class 341 subclass 102]  102           Subclass 102 indent level is 1 To or from "N" out of "M" codes
[List of Patents for class 341 subclass 103]  103           Subclass 103 indent level is 2 "N" out of "M" to "X" out of "Y"
[List of Patents for class 341 subclass 104]  104           Subclass 104 indent level is 1 Binary to decimal
[List of Patents for class 341 subclass 105]  105           Subclass 105 indent level is 1 Decimal to binary
[List of Patents for class 341 subclass 106]  106           Subclass 106 indent level is 1 Coding by table look-up techniques
[List of Patents for class 341 subclass 107]  107           Subclass 107 indent level is 1 To or from code based on probability
[List of Patents for class 341 subclass 108]  108           REVERSIBLE ANALOG TO DIGITAL CONVERTERS
[List of Patents for class 341 subclass 109]  109           STOCHASTIC TECHNIQUES
[List of Patents for class 341 subclass 110]  110           ANALOG TO DIGITAL CONVERSION FOLLOWED BY DIGITAL TO ANALOG CONVERSION
[List of Patents for class 341 subclass 111]  111           PHASE OR TIME OF PHASE CHANGE
[List of Patents for class 341 subclass 112]  112           Subclass 112 indent level is 1 Synchro or resolver signal
[List of Patents for class 341 subclass 113]  113           Subclass 113 indent level is 2 Coarse and fine
[List of Patents for class 341 subclass 114]  114           Subclass 114 indent level is 2 Control system
[List of Patents for class 341 subclass 115]  115           Subclass 115 indent level is 2 Converter compensation
[List of Patents for class 341 subclass 116]  116           Subclass 116 indent level is 2 Analog resolver or synchro signal to digital signal
[List of Patents for class 341 subclass 117]  117           Subclass 117 indent level is 2 Digital signal to analog resolver or synchro signal
[List of Patents for class 341 subclass 118]  118           CONVERTER COMPENSATION
[List of Patents for class 341 subclass 119]  119           Subclass 119 indent level is 1 Temperature compensation
[List of Patents for class 341 subclass 120]  120           CONVERTER CALIBRATION OR TESTING
[List of Patents for class 341 subclass 121]  121           Subclass 121 indent level is 1 Trimming control circuits
[List of Patents for class 341 subclass 122]  122           SAMPLE AND HOLD
[List of Patents for class 341 subclass 123]  123           Subclass 123 indent level is 1 Having variable sampling rate
[List of Patents for class 341 subclass 124]  124           Subclass 124 indent level is 1 Sampled and held input signal with linear return to datum
[List of Patents for class 341 subclass 125]  125           Subclass 125 indent level is 1 Sampled and held input signal with nonlinear return to datum
[List of Patents for class 341 subclass 126]  126           ANALOG TO OR FROM DIGITAL CONVERSION
[List of Patents for class 341 subclass 127]  127           Subclass 127 indent level is 1 Bipolar
[List of Patents for class 341 subclass 128]  128           Subclass 128 indent level is 2 Dual slope analog to digital converter
[List of Patents for class 341 subclass 129]  129           Subclass 129 indent level is 2 Plural slope analog to digital converter
[List of Patents for class 341 subclass 130]  130           Subclass 130 indent level is 1 Difunction code as output
[List of Patents for class 341 subclass 131]  131           Subclass 131 indent level is 1 Increasing converter resolution (e.g., dithering)
[List of Patents for class 341 subclass 132]  132           Subclass 132 indent level is 1 Detecting analog signal peak
[List of Patents for class 341 subclass 133]  133           Subclass 133 indent level is 1 With particular solid state devices (e.g., Gunn effect device, Josephson device, drift transistor, using solid state active devices as impedances) with other at longer intervals)
[List of Patents for class 341 subclass 134]  134           Subclass 134 indent level is 2 Integrated injection logic
[List of Patents for class 341 subclass 135]  135           Subclass 135 indent level is 2 Current mirror
[List of Patents for class 341 subclass 136]  136           Subclass 136 indent level is 2 Field effect transistor
[List of Patents for class 341 subclass 137]  137           Subclass 137 indent level is 1 Using optical device, (e.g., fiber optics, cathode ray tubes)
[List of Patents for class 341 subclass 138]  138           Subclass 138 indent level is 1 Nonlinear
[List of Patents for class 341 subclass 139]  139           Subclass 139 indent level is 2 Automatic control for increasing converter range (e.g., gain ranging, automatic gain control)
[List of Patents for class 341 subclass 140]  140           Subclass 140 indent level is 2 Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer)
[List of Patents for class 341 subclass 141]  141           Subclass 141 indent level is 1 Multiplex
[List of Patents for class 341 subclass 142]  142           Subclass 142 indent level is 1 Converter is part of control loop
[List of Patents for class 341 subclass 143]  143           Subclass 143 indent level is 1 Differential encoder and/or decoder (e.g., delta modulation, differential pulse code modulation)
[List of Patents for class 341 subclass 144]  144           Subclass 144 indent level is 1 Digital to analog conversion
[List of Patents for class 341 subclass 145]  145           Subclass 145 indent level is 2 Coarse and fine conversions
[List of Patents for class 341 subclass 146]  146           Subclass 146 indent level is 2 Serial conversion
[List of Patents for class 341 subclass 147]  147           Subclass 147 indent level is 2 Function generator
[List of Patents for class 341 subclass 148]  148           Subclass 148 indent level is 2 Tree structure
[List of Patents for class 341 subclass 149]  149           Subclass 149 indent level is 2 Using magnetic or cryogenic components
[List of Patents for class 341 subclass 150]  150           Subclass 150 indent level is 2 Using charge coupled devices or switched capacitances
[List of Patents for class 341 subclass 151]  151           Subclass 151 indent level is 2 Analog output represents a displacement or force
[List of Patents for class 341 subclass 152]  152           Subclass 152 indent level is 2 With intermediate conversion of digital value to time interval
[List of Patents for class 341 subclass 153]  153           Subclass 153 indent level is 2 Using weighted impedances
[List of Patents for class 341 subclass 154]  154           Subclass 154 indent level is 2 Using ladder network
[List of Patents for class 341 subclass 155]  155           Subclass 155 indent level is 1 Analog to digital conversion
[List of Patents for class 341 subclass 156]  156           Subclass 156 indent level is 2 Coarse and fine conversions
[List of Patents for class 341 subclass 157]  157           Subclass 157 indent level is 2 Intermediate conversion to frequency or number of pulses
[List of Patents for class 341 subclass 158]  158           Subclass 158 indent level is 2 Analog input compared with static reference
[List of Patents for class 341 subclass 159]  159           Subclass 159 indent level is 3 Parallel type
[List of Patents for class 341 subclass 160]  160           Subclass 160 indent level is 4 Including priority encoder
[List of Patents for class 341 subclass 161]  161           Subclass 161 indent level is 3 Acting sequentially
[List of Patents for class 341 subclass 162]  162           Subclass 162 indent level is 3 Serial conversions with change in signal
[List of Patents for class 341 subclass 163]  163           Subclass 163 indent level is 3 Recirculating
[List of Patents for class 341 subclass 164]  164           Subclass 164 indent level is 3 Single comparator and counter
[List of Patents for class 341 subclass 165]  165           Subclass 165 indent level is 3 Single comparator and digital storage
[List of Patents for class 341 subclass 166]  166           Subclass 166 indent level is 2 Intermediate conversion to time interval
[List of Patents for class 341 subclass 167]  167           Subclass 167 indent level is 3 Dual slope
[List of Patents for class 341 subclass 168]  168           Subclass 168 indent level is 3 Plural slope
[List of Patents for class 341 subclass 169]  169           Subclass 169 indent level is 3 Input signal compared with linear ramp
[List of Patents for class 341 subclass 170]  170           Subclass 170 indent level is 3 Input signal compared with nonlinear ramp
[List of Patents for class 341 subclass 171]  171           Subclass 171 indent level is 2 Using magnetic or cryogenic components
[List of Patents for class 341 subclass 172]  172           Subclass 172 indent level is 2 Using charge transfer devices (e.g., charge coupled devices, charge transfer by switched capacitances)
[List of Patents for class 341 subclass 173]  173           CODE GENERATOR OR TRANSMITTER
[List of Patents for class 341 subclass 174]  174           Subclass 174 indent level is 1 Plural transmitters
[List of Patents for class 341 subclass 175]  175           Subclass 175 indent level is 1 With code display at transmitter
[List of Patents for class 341 subclass 176]  176           Subclass 176 indent level is 1 Transmitter for remote control signal
[List of Patents for class 341 subclass 177]  177           Subclass 177 indent level is 1 Producing different pulse frequencies
[List of Patents for class 341 subclass 178]  178           Subclass 178 indent level is 1 With variable pulse spacing or grouping
[List of Patents for class 341 subclass 179]  179           Subclass 179 indent level is 2 Plural pulse shapes
[List of Patents for class 341 subclass 180]  180           Subclass 180 indent level is 2 Plural channels
[List of Patents for class 341 subclass 181]  181           Subclass 181 indent level is 2 Carrier frequency variation
[List of Patents for class 341 subclass 182]  182           Subclass 182 indent level is 2 With variable pulse length
[List of Patents for class 341 subclass 183]  183           Subclass 183 indent level is 2 Pulse presence or absence in equal length code
[List of Patents for class 341 subclass 184]  184           Subclass 184 indent level is 1 Numerical pulse type
[List of Patents for class 341 subclass 185]  185           Subclass 185 indent level is 2 Multistage
[List of Patents for class 341 subclass 186]  186           Subclass 186 indent level is 2 With gaseous or space discharge device
[List of Patents for class 341 subclass 187]  187           Subclass 187 indent level is 2 Having counter or register
[List of Patents for class 341 subclass 188]  188           Subclass 188 indent level is 2 Serial pulse number actuation
[List of Patents for class 341 subclass 189]  189           Subclass 189 indent level is 2 Pulse gating
[List of Patents for class 341 subclass 190]  190           Subclass 190 indent level is 2 Mechanical switch feature
[List of Patents for class 341 subclass 191]  191           Subclass 191 indent level is 1 With gaseous or space discharge device feature
[List of Patents for class 341 subclass 192]  192           Subclass 192 indent level is 1 With rotary distributor
[List of Patents for class 341 subclass 200]  200           QUANTIZER
[List of Patents for class 341 subclass 899]  899           MISCELLANEOUS
 
FOREIGN ART COLLECTIONS
 
   FOR000          CLASS-RELATED FOREIGN DOCUMENTS

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.

|.HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT