Le Material Telephonique
20Patents
0Active
20Granted
33Portfolio score
Filing activity: Nov 19, 1974 → Jul 13, 1979
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4229142A | One-piece pumping device with ambivalent operation | Mechanical Engineering; Lighting; Heating | 71 | Expired |
| US4223185A | Multifrequency digital signal receiver | Electricity | 33 | Expired |
| US4227319A | Flight-control electro-hydraulic simulator | Physics | 32 | Expired |
| US4294009A | Method of manufacturing a hybrid integrated circuit | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4242641A | Methods and apparatus for demodulating a differentially phase-modulated signal | Electricity | 20 | Expired |
| US4195911A | Panoramic image generating system | Physics | 14 | Expired |
| US4286326A | Digital devices for spectrum analysis | Electricity | 14 | Expired |
| US4276645A | Receiver for simultaneously transmitted clock and auxiliary signals | Electricity | 10 | Expired |
| US3984691A | Modular device for the detection of neutrons | Electricity | 9 | Expired |
| US4177018A | Apparatus for regulating the passage and flow-rate of a liquid | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4145690A | Ciphering device improving the secrecy of the encoded replies of a secondary radar | Physics | 7 | Expired |
| US4178483A | Time-division switching telephone exchange comprising a service signal sender | Electricity | 7 | Expired |
| US4107854A | Training system for simulating an animated scene | Electricity | 6 | Expired |
| US4087692A | Radiameter | Physics | 6 | Expired |
| US4319322A | Method and apparatus for converting virtual addresses to real addresses | Physics | 6 | Expired |
| US4242754A | Clock recovery system for data receiver | Electricity | 4 | Expired |
| US4276641A | Method and apparatus for converting time-division data signals received on an incoming trunk to time-division data signals of different format for transmission over an outgoing trunk | Electricity | 3 | Expired |
| US4158108A | Digital data resynchronization device | Electricity | 2 | Expired |
| US4129756A | Telephone exchange signalling unit | Electricity | 2 | Expired |
| US4218588A | Digital signal switching system | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.