THOMSON-CSF-TELEPHONE
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jun 21, 1988 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 144 Total Citation Count
- Oct 07, 1980 Earliest Filing
- 17 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Recent Publications
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4752952 Subscriber circuit link interface for an automatic telephone exchangeExpiredMay 20, 85Jun 21, 88[H04M]
4644382 Prediffused integrated circuit and a method of interconnection of the cells of said circuitExpiredJan 17, 86Feb 17, 87[H01L]
4628447 Multi-level arbitration system for decentrally allocating resource priority among individual processing unitsExpiredNov 02, 84Dec 09, 86[G06F]
4567589 Electronic digital PCM time-division exchange with decentralized architectureExpiredOct 24, 83Jan 28, 86[H04Q]
4562309 Telephone circuit controlled by a 2 wire - 4 wire transmission integrated circuit microprocessor with line current emergency supplyExpiredNov 15, 82Dec 31, 85[H04M]
4511959 Decentralized arbitration device for several processing units of a multiprocessor systemExpiredNov 04, 81Apr 16, 85[G06F]
4493022 Centralized arbitration process and centralized arbiter for multiprocessor systemExpiredMay 04, 81Jan 08, 85[G06F]
4484112 Protection device for the horizontal scanning control of a display screenExpiredMar 22, 83Nov 20, 84[H01J]
4464542 Multifunctional communication terminal connected to two telephone lines and with partial remote supplyExpiredDec 13, 82Aug 07, 84[H04M]
4402078 Signalling switching system in a time switching network and time switching network incorporating such a systemExpiredMar 10, 81Aug 30, 83[H04J]
4397016 Process for switching time-multiplexed signals transmitted on a carrier, including in particular an optical carrier, and a device embodying this processExpiredOct 07, 80Aug 02, 83[H04Q]
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