Matra Nortel Communications
20Patents
0Active
20Granted
32Portfolio score
Filing activity: Aug 6, 1998 → Dec 8, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6606600B1 | Scalable subband audio coding, decoding, and transcoding methods using vector quantization | Physics | 30 | Expired |
| US6246980A | Method of speech recognition | Physics | 30 | Expired |
| US6477489B1 | Method for suppressing noise in a digital speech signal | Physics | 30 | Expired |
| US6389574B1 | Method for detecting a discrete symbol sequence from an observation signal, and viterbi processor implementing such method | Electricity | 27 | Expired |
| US6738480B1 | Method and device for cancelling stereophonic echo with frequency domain filtering | Electricity | 25 | Expired |
| US6369722B1 | Coding, decoding and transcoding methods | Electricity | 16 | Expired |
| US6658380B1 | Method for detecting speech activity | Physics | 14 | Expired |
| US6138097A | Method of learning in a speech recognition system | Physics | 12 | Expired |
| US7003452B1 | Method and device for detecting voice activity | Physics | 12 | Expired |
| US6829317B2 | Signalling method in a radio communication system, and transmitters, receivers and repeaters for implementing the method | Electricity | 11 | Expired |
| USD418489S | Teletext and internet access station | General | 10 | Expired |
| US7123593B1 | Method for broadcasting radio signals from a radiocommunication base station, base stations and mobile terminals therefor | Electricity | 7 | Expired |
| US6775650B1 | Method for conditioning a digital speech signal | Physics | 6 | Expired |
| US6182175A | Serial data transfer process, and synchronous serial bus interface implementing such process | Physics | 6 | Expired |
| US6662000B1 | Synchronisation method and device for a communication receiver | Electricity | 4 | Expired |
| USD466880S1 | Telephone set | General | 1 | Expired |
| US6920115B2 | Time-division multiplex radio communication method, transmitter and receiver for implementing such method | Electricity | 1 | Expired |
| US6442209B1 | Digital radio communication station | Electricity | 1 | Expired |
| US6876854B1 | Mobile communication system using loss cables as transmission elements | Electricity | 1 | Expired |
| US7164728B1 | Method and device for forming transport frames from coded-signal frames and device for extracting coded signal frames | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.