1        6,608,721               Optical tapped delay line
2       6,603,770               Apparatus and method for accessing a network
3       6,567,753               Devices and methods for simultaneous measurement of transmission of vapors through a plurality of sheet materials
4       6,567,197               Optical ring network architecture
5       6,556,745               Wavelength selective reflective/transmissive optical coupler and method
6       6,542,463               Method and arrangement for controlling accesses of network terminal units to predetermined resources of a packet-oriented communication network
7       6,535,715               Hybrid/fiber coax video and telephony communication system with poly-phase filtering
8       6,483,903               Splitterless ethernet DSL on subscriber loops
9       6,424,656               Method to assign upstream timeslots to a network terminal and medium access controller for performing such a method
10      6,418,558               Hybrid fiber/coax video and telephony communication
11      6,383,815               Devices and methods for measurements of barrier properties of coating arrays
12      6,366,372               Burst mode wavelength manager
13      6,361,330               Mounting opto-electric modules on circuit boards
14      6,359,941               System and method for improved reference threshold setting in a burst mode digital data receiver
15      6,351,581               Optical add-drop multiplexer having an interferometer structure
16      6,339,664               Wavelength division multiplexing
17      6,317,234               Communications network
18      6,292,651               Communication system with multicarrier transport distribution network between a head end terminal and remote units
19      6,269,212               Method for performing fixing inside a container for optical connection components
20      6,131,415               Method of making a fiber having low loss at 1385 nm by cladding a VAD preform with a D/d<7.5
21      6,118,565               Coherent optical communication system
22      6,101,183               Method and apparatus for crossconnecting transmission members in the outside distribution plant of a telecommunications network
23      6,037,285               Infrared transmitting optical fiber materials
24      6,021,234               Interconnection apparatus having an electrical or optical signal bus
25      6,018,538               High speed non-biased semiconductor laser dione driver for high speed digital communication
26      5,999,290               Optical add/drop multiplexer having complementary stages
27      5,991,068               Gain controlled optical fibre amplifier
28      5,982,791               Wavelength tracking in adjustable optical systems
29      5,970,078               Laser drive circuit
30      5,939,924               Integrating circuit having high time constant, low bandwidth feedback loop arrangements
31      5,928,293               Method for generating a clock signal for use in a data receiver, clock generator, data receiver and remote controlled access system for vehicles
32      5,926,472               Method and apparatus for crossconnecting transmission members in the outside distribution plant of a telecommunications network to provide a combined narrowband and broadband signal
33      5,878,181               Optical non-linear branching element
34      5,831,979               Method and apparatus for crossconnecting transmission members in the outside distribution plant of a telecommunications network for providing access to customer lines to a plurality of service providers
35      5,815,308               Bidirectional optical amplifier
36      5,805,752               Environment-proof fiber optic coupler
37      5,802,283               Method and system for accessing multimedia data over public switched telephone network
38      5,790,174               PSTN architecture for video-on-demand services
39      5,774,244               Optical communications networks
40      5,749,565               Optical fibre installation tool
41      5,712,906               Communications systems supporting shared multimedia session
42      5,703,504               Feedforward adaptive threshold processing method
43      5,648,958               System and method for controlling access to a shared channel for cell transmission in shared media networks
44      5,625,404               Method and system for accessing multimedia data over public switched telephone network
45      5,568,301               Optical communication system with secure key transfer
46      5,541,756               Apparatus and method for routing optical signals through wavelength-coding in a self-routed wavelength addressable network
47      5,539,448               Video server that adapts video signals from memory to a format compatible with a communication system in a video-on-demand network
48      5,528,281               Method and system for accessing multimedia data over public switched telephone network
49      5,493,435               Optic switching
50      5,491,574               Optical signal transmission network
51       5,491,573               Optical signal transmission network
52      RE35,138                Achromatic overclad fiber optic coupler
53      5,453,737               Control and communications apparatus
54      5,416,628               Multilevel coherent optical system
55      5,410,343               Video-on-demand services using public switched telephone network
56      5,408,462               Protection switching apparatus and method
57      5,398,129               Passive optical telecommunication system for narrow band and broadband integrated services digital networks
58      5,373,386               Transmission/reception circuit in a passive optical telecommunication system
59      5,343,286               OTDR having optically switched amplified output onto test fibre to suppress optical amplifier noise between OTDR pluses
60      5,337,175               Optical communications system for the subscriber area with optical amplifiers
61      5,272,556               Optical networks
62      5,268,979               Achromatic overclad fiber optic coupler
63      5,231,465               High efficiency fiber absorber and method for attenuating pump light in a broadband fiber optic light source
64      4,940,306               Star network optical transmission system

