Thomson-Csf Telephone
21Patents
0Active
21Granted
30Portfolio score
Filing activity: Oct 7, 1980 → Jan 17, 1986
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4511959A | Decentralized arbitration device for several processing units of a multiprocessor system | Physics | 49 | Expired |
| USD282066S | Telephonic receiver | General | 42 | Expired |
| USD295623S | Telephone set | General | 38 | Expired |
| US4628447A | Multi-level arbitration system for decentrally allocating resource priority among individual processing units | Physics | 29 | Expired |
| USD279895S | Telephone | General | 20 | Expired |
| USD292513S | Handset telephone | General | 17 | Expired |
| US4567589A | Electronic digital PCM time-division exchange with decentralized architecture | Electricity | 10 | Expired |
| US4493022A | Centralized arbitration process and centralized arbiter for multiprocessor system | Physics | 9 | Expired |
| US4402078A | Signalling switching system in a time switching network and time switching network incorporating such a system | Electricity | 8 | Expired |
| US4488007A | Speech-amplifier telephone station | Electricity | 8 | Expired |
| US4644382A | Prediffused integrated circuit and a method of interconnection of the cells of said circuit | Electricity | 7 | Expired |
| US4397016A | Process for switching time-multiplexed signals transmitted on a carrier, including in particular an optical carrier, and a device embodying this process | Electricity | 7 | Expired |
| US4365328A | Device for switching digital data | Electricity | 4 | Expired |
| USD287250S | Data communication terminal | General | 3 | Expired |
| US4387277A | Four wire to two wire converter | Electricity | 3 | Expired |
| US4654823A | Read/write memory and cell constituting same | Physics | 3 | Expired |
| US4562309A | Telephone circuit controlled by a 2 wire - 4 wire transmission integrated circuit microprocessor with line current emergency supply | Electricity | 2 | Expired |
| US4752952A | Subscriber circuit link interface for an automatic telephone exchange | Electricity | 1 | Expired |
| US4595797A | Ringing signal generator for a subscriber telephone set | Electricity | 1 | Expired |
| US4484112A | Protection device for the horizontal scanning control of a display screen | Electricity | 0 | Expired |
| US4491837A | Logic selection module | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.