СПИСОК патентов США - подгруппа МПК16 H04B3/21
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| № п/п | Номер патента | Название патента | |||
2016 | |||||
| 1 | 9515699 | Dual mode serial transmission apparatus and method for switching mode thereof | |||
| 2 | 9373876 | Multiple-mode filter for radio frequency integrated circuits | |||
| 3 | 9337991 | Wireless communication unit, radio frequency module and method therefor | |||
| 4 | 9270331 | Method and system for detecting non-linear devices | |||
| 5 | 9246544 | Transmission line having variable characteristic impedance | |||
2015 | |||||
| 6 | 9191519 | Echo suppressor using past echo path characteristics for updating | |||
2014 | |||||
| 7 | 8660820 | Distortion cancellation using adaptive linearization | |||
2011 | |||||
| 8 | 7953456 | Acoustic echo reduction in mobile terminals | |||
2007 | |||||
| 9 | 7162420 | System and method for noise reduction having first and second adaptive filters | |||
2006 | |||||
| 10 | 7099822 | System and method for noise reduction having first and second adaptive filters responsive to a stored vector | |||
| 11 | 7095627 | Frequency-selective shield structure and electric device having the structure | |||
2005 | |||||
| 12 | 6963642 | Band-by-band full duplex communication | |||
2004 | |||||
| 13 | 6804349 | Hybrid transceiver circuit | |||
2003 | |||||
| 14 | 6658107 | Methods and apparatus for providing echo suppression using frequency domain nonlinear processing | |||
| 15 | 6597787 | Echo cancellation device for cancelling echos in a transceiver unit | |||
2001 | |||||
| 16 | 6246716 | Information communication system | |||
2000 | |||||
| 17 | 6130943 | Method and apparatus for suppressing echo in telephony | |||
| 18 | 6088386 | Transmitter with phase rotor, modulator/demodulator, communication system and method performed thereby | |||
1998 | |||||
| 19 | 5818945 | Subband echo cancellation method using projection algorithm | |||
| 20 | 5784454 | Arrangement for communication with a subscriber | |||
| 21 | 5721730 | Spectral noise compensation for telecommunication signal processing | |||
1996 | |||||
| 22 | 5587998 | Method and apparatus for reducing residual far-end echo in voice communication networks | |||
| 23 | 5566167 | Subband echo canceler | |||
| 24 | 5561668 | Echo canceler with subband attenuation and noise injection control | |||
| 25 | 5517435 | Method of identifying an unknown system with a band-splitting adaptive filter and a device thereof | |||
| 26 | 5500880 | Transmission system comprising a sub-band echo canceller which includes a sub-band coding arrangement | |||
1994 | |||||
| 27 | 5317596 | Method and apparatus for echo cancellation with discrete multitone modulation | |||
1992 | |||||
| 28 | 5136577 | Sub-band acoustic echo canceller | |||
1991 | |||||
| 29 | 5001701 | Subband echo canceler including real time allocation among the subbands | |||
1988 | |||||
| 30 | 4747132 | Howling canceller | |||
1987 | |||||
| 31 | 4644108 | Adaptive sub-band echo suppressor | |||
1986 | |||||
| 32 | 4623980 | Method of processing electrical signals by means of Fourier transformations | |||
1977 | |||||
| 33 | 4031338 | Echo suppressor using frequency-selective center clipping | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||