IP Library › Assignment 005826/0422
Patent Assignment
Reel/Frame 005826/0422

Assignment of Assignors Interest.

Recorded: 1991-05-24 Pages: 12
Assignor
ALCATEL USA CORP.
Executed: 1991-05-20
Assignee
ALCATEL NA NETWORK SYSTEMS CORP.
A CORP. OF DELAWARE, 2912 WAKE FOREST RD., RALEIGH, NORTH CAROLINA
Covered Properties (70)
Multiple Fault Tolerant Digital Switching System for an Automatic Tele Phone System
Patent: 3,912,873 →
Application: 05/434,268 →
Multi-Terminal Arrestor Holder and Connector Module
Patent: 3,961,226 →
Application: 05/503,403 →
Small Modular Communications Switching System with Distributed Program Mable Control
Patent: 3,974,343 →
Application: 05/540,077 →
Line Signalling Over Common Highway for Telecommunications System
Patent: 4,075,430 →
Application: 05/686,303 →
Memory Sparing Arrangement
Patent: 4,093,985 →
Application: 05/739,356 →
Time Division Telecommunication System
Patent: 4,127,742 →
Application: 05/829,669 →
Fluxbucking Line Transformer
Patent: 4,241,239 →
Application: 05/881,085 →
Subscriber Line/Trunk Circuit
Patent: 4,161,633 →
Application: 05/903,458 →
Control Apparatus for a Transceiver Employing a Programmable Memory
Patent: 4,254,504 →
Application: 05/932,066 →
Current Limited Subscriber Line Feed Circuit
Patent: 4,254,305 →
Application: 06/009,992 →
Adaptive Digital Echo Cancellation Circuit
Patent: 4,268,727 →
Application: 06/020,593 →
Distributed Control for Digital Switching System
Patent: 4,317,962 →
Application: 06/056,752 →
Pmc Codec Using Common D/a Converter for Encoding and Decoding
Patent: 4,348,768 →
Application: 06/069,374 →
Trilateral Duplex Path Conferencing System with Broadcast Capability
Patent: 4,293,946 →
Application: 06/096,599 →
Decimator Apparatus for Decreasing the Word Rate of a Digital Signal of the Type Employed in Digital Telephony Systems
Patent: 4,302,631 →
Application: 06/098,094 →
Telephone Subscriber Line Unit with Sigma - Delta Digital to Analog Converter
Patent: 4,270,027 →
Application: 06/098,103 →
Apparatus for Regulating Current Supplied to a Telephone Line Signal of the Type Employed in Digital Telephone Systems
Patent: 4,315,106 →
Application: 06/098,104 →
Interpolator Apparatus for Increasing the Word Rate of a Digital Signal of the Type Employed in Digital Telephone Systems
Patent: 4,270,026 →
Application: 06/098,105 →
Gain Control Apparatus for Digital Telephone Line Circuits
Patent: 4,272,648 →
Application: 06/098,110 →
Programmable Ring Signal Generator
Patent: 4,349,703 →
Application: 06/135,755 →
Elastic Storage and Synchronization Control Apparatus for Use in a Telephone Switching System
Patent: 4,323,790 →
Application: 06/156,713 →
Digital Ring Control System for Digital Multiplexer
Patent: 4,354,264 →
Application: 06/159,736 →
Subscriber Line Interface Circuit with Impedance Synthesizer
Patent: 4,387,273 →
Application: 06/180,751 →
Time Slot Interchanger and Control Processor Apparatus for Use in a Telephone Switching Network
Patent: 4,377,859 →
Application: 06/183,512 →
Subscriber Line Interface Circuit Utilizing Impedance Synthesizer and Shared Voltage Source for Loop Current Regulation Control
Patent: 4,317,963 →
Application: 06/189,976 →
All Digital Lsi Line Circuit for Analog Lines
Patent: 4,381,561 →
Application: 06/199,806 →
Automatic, Digitally Synthesized Matching Line Terminating Impedance
Patent: 4,351,060 →
Application: 06/199,904 →
Digital Two-to-Four Wire Converter for Full Duplex Signals
Patent: 4,377,858 →
Application: 06/199,905 →
Delay Correction Circuit
Patent: 4,402,079 →
Application: 06/200,341 →
Automatic Protection Apparatus for Span Lines Employed in High Speed Digital Systems
Patent: 4,393,493 →
Application: 06/205,133 →
Transmitter-Receiver Synchronizer
Patent: 4,322,844 →
Application: 06/215,048 →
Solid State Telephone Line Interface Circuit with Ringing Capability
Patent: 4,431,868 →
Application: 06/281,545 →
Diagnostic System for a Distributed Control Switching Network
Patent: 4,439,826 →
Application: 06/284,866 →
Processing Register Apparatus for Use in Digital Signal Processing Systems
Patent: 4,488,255 →
Application: 06/313,916 →
Delta-Sigma Modulator with Switch Capacitor Implementation
Patent: 4,439,756 →
Application: 06/340,931 →
Tdm Communication System
Patent: 4,498,167 →
Application: 06/353,695 →
Digital Switching Network
Patent: 4,456,987 →
Application: 06/360,734 →
Digital to Analog Converter Employing Sigma-Delta Modulation for Use in Telephone Systems
Patent: 4,528,551 →
Application: 06/362,806 →
Phase-Locked Loop and Clock Circuit for a Line Switch
Patent: 4,519,071 →
Application: 06/370,602 →
Rate Converter
Patent: 4,490,819 →
Application: 06/370,608 →
Processor Controlled Adjustment of Line Circuit Transmission Parameters
Patent: 4,530,086 →
Application: 06/370,609 →
Interface Circuit for Use in a Distributed Processing Switch Unit
Patent: 4,527,266 →
Application: 06/370,915 →
Circuit for Interfacing a Processor to a Line Circuit
Patent: 4,495,614 →
Application: 06/371,052 →
Line Switch Having Distributed Processing
Patent: 4,504,942 →
Application: 06/371,053 →
Digital Supervisory Circuit for a Telephone System
Patent: 4,455,456 →
Application: 06/371,846 →
Combining and Splitting of Voice and Data from Multiple Terminal Sources and Electronic Pabx for Same
Patent: 4,488,287 →
Application: 06/445,626 →
Programmable Coding and Decoding Arrangement
Patent: 4,538,269 →
Application: 06/485,988 →
Multiparty Line Adaptor with Privacy Feature Controlled by Reversal of Line Polarity at a Central Power Source
Patent: 4,528,424 →
Application: 06/507,364 →
Electronic Hybrid Having Synthesized Impedance Circuitry
Patent: 4,567,331 →
Application: 06/564,637 →
Multiple Rate Baseband Transmitter
Patent: 4,577,331 →
Application: 06/583,084 →
Multiple Rate Baseband Receiver
Patent: 4,555,788 →
Application: 06/583,085 →
Digital Switching Systems Employing Multi-Channel Frame Association Apparatus
Patent: 4,608,684 →
Application: 06/593,342 →
Expansion Apparatus for Use in Communication Systems
Patent: 4,602,363 →
Application: 06/595,094 →
Wide-Band High Voltage Amplifier for Telephone Exchange Subscriber Line Interface Utilizing Low Voltage Control Circuitry
Patent: 4,674,119 →
Application: 06/598,650 →
Grounded Tip Detector
Patent: 4,593,156 →
Application: 06/611,569 →
Lightning Protection Circuit for Digital Subscriber Loop Interface
Patent: 4,577,255 →
Application: 06/622,432 →
Two-Wire/Four Wire Communication Interface with Noise Rejection
Patent: 4,622,441 →
Application: 06/623,267 →
Test Apparatus for Pcm/Fdm Transmultiplexer
Patent: 4,598,398 →
Application: 06/623,853 →
Programmable Ring Generator
Patent: 4,631,361 →
Application: 06/625,865 →
Universal Dc Feed for Telephone Line and Trunk Circuits
Patent: 4,581,487 →
Application: 06/629,659 →
Electronic Hybrid Having Synthesized Impedance Circuitry
Patent: 4,622,442 →
Application: 06/630,801 →
Transformer Flux Compensation Circuit
Patent: 4,607,142 →
Application: 06/635,035 →
Data Line Card Printed Board Assembly
Patent: 4,589,106 →
Application: 06/642,622 →
Dual Voltage Source Feed Circuit Configuration for a Telephone Line Circuit
Patent: 4,602,130 →
Application: 06/660,585 →
An Interface Circuit for a Subscriber Line Circuit
Patent: 4,598,173 →
Application: 06/660,591 →
Method and Apparatus to Determine Whether a Subscriber Line Is Loaded or Non-Loaded
Patent: 4,620,069 →
Application: 06/677,438 →
Apparatus for Establishing Communication Paths
Patent: 4,639,910 →
Application: 06/682,228 →
Programmable Ring Signal Generator
Patent: 4,656,659 →
Application: 06/756,879 →
Constant Power Telephone Line Circuit
Patent: 4,761,812 →
Application: 06/807,085 →
High Voltage Mass-Impregnated Power Cable
Patent: 4,782,194 →
Application: 06/932,808 →
Related Assignments (6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Aug 25, 1980
From: CHEA, RAMON C.W. JR.
To: INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION, A CORP. OF DE
Reel/Frame 003796/0627 →
Assignment of Assignors Interest. Sep 2, 1980
From: DUNNING STEPHEN C.; GWATHMEY JAMES T.
To: INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION
Reel/Frame 003798/0951 →
Assignment of Assignors Interest. Sep 22, 1980
From: CHEA RAMON C. W. JR.
To: INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION
Reel/Frame 003818/0014 →
Change of Name Apr 22, 1985
From: INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION
To: ITT CORPORATION
Reel/Frame 004389/0606 →
Change of Name Jan 21, 1988
From: U.S. HOLDING COMPANY, INC.
To: ALCATEL USA, CORP.
Reel/Frame 004827/0276 →
Merger Effective on 09/30/1991DE Apr 6, 1992
From: ALCATEL NA NETWORK SYSTEMS CORP.
To: ALCATEL NETWORK SYSTEMS, INC.
Reel/Frame 006071/0470 →