СПИСОК патентов США - подгруппа МПК16 H04B1/64
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9543991 | Compressed amplitude wireless signal and compression function | |||
2016 | |||||
| 2 | 9398371 | Analog signal transfer system, variable compressor, and variable expander | |||
| 3 | 9344143 | Signal transmitting device and signal transmitting method | |||
2015 | |||||
| 4 | 9124315 | Compressed amplitude wireless signal and compression function | |||
| 5 | 8948279 | Interrogator and interrogation system employing the same | |||
2012 | |||||
| 6 | 8265136 | Motion refinement engine for use in video encoding in accordance with a plurality of sub-pixel resolutions and methods for use therewith | |||
2010 | |||||
| 7 | 7667554 | Pre-emphasis adjustment method | |||
2008 | |||||
| 8 | 7391315 | System and method for monitoring security at a plurality of premises | |||
2005 | |||||
| 9 | 6940987 | Techniques for improving audio clarity and intelligibility at reduced bit rates over a digital network | |||
2004 | |||||
| 10 | 6807278 | Audio noise reduction system implemented through digital signal processing | |||
| 11 | 6721700 | Audio coding method and apparatus | |||
| 12 | 6714093 | Dynamics compressor for an analog signal to be compressed | |||
2003 | |||||
| 13 | 6597301 | Apparatus and method for level-dependent companding for wireless audio noise reduction | |||
| 14 | 6542612 | Companding amplifier with sidechannel gain control | |||
| 15 | 6518852 | Information signal compressor and expander | |||
2001 | |||||
| 16 | 6169808 | Signal compressing circuit | |||
2000 | |||||
| 17 | 6038430 | Method and apparatus for improving transmission of data in a wireless network | |||
| 18 | 6038429 | Citizen's band radio with improved reception | |||
1999 | |||||
| 19 | 5910995 | DSP decoder for decoding analog SR encoded audio signals | |||
| 20 | 5907623 | Audio noise reduction system implemented through digital signal processing | |||
| 21 | 5907584 | System and method for transmitting and receiving a Lincompex signal having information encoded thereon through angle modulation | |||
| 22 | 5901348 | Apparatus for enhancing sensitivity in compressive receivers and method for the same | |||
1998 | |||||
| 23 | 5845216 | Optimized companding for communication over cellular systems | |||
| 24 | 5794187 | Method and apparatus for improving effective signal to noise ratios in hearing aids and other communication systems used in noisy environments without loss of spectral information | |||
| 25 | 5737434 | Multi-band audio compressor with look-ahead clipper | |||
1997 | |||||
| 26 | 5682432 | Broadcast receiver | |||
| 27 | 5631648 | Signal compression or expansion circuit for mobile communication | |||
1996 | |||||
| 28 | 5524148 | Background noise compensation in a telephone network | |||
| 29 | 5495468 | System and method for transmitting plural information waveforms over a single communications channel using lincompex techniques | |||
| 30 | 5493699 | Low noise communication analog compressor and analog expander | |||
| 31 | 5485515 | Background noise compensation in a telephone network | |||
1995 | |||||
| 32 | 5454010 | System and method for calibration of frequency hopping | |||
| 33 | 5428593 | Digital audio signal transforming method and apparatus | |||
1994 | |||||
| 34 | 5276764 | Method and device for compressing and expanding an analog signal | |||
1993 | |||||
| 35 | 5241689 | Digital signal processor audio compression in an RF base station system | |||
| 36 | 5241282 | Wide dynamic range, low power, analog-to-digital receiver | |||
| 37 | 5179361 | Compandor system with stable and widely adjustable unity gain level | |||
1991 | |||||
| 38 | 5065451 | System and method of frequency calibration in a linked compression-expansion (lincompex) system | |||
| 39 | 5058202 | System and method of transmitting and receiving a licompex modulated signal over a communication channel utilizing frequency modulation techniques | |||
1990 | |||||
| 40 | 4944024 | Method and apparatus for reducing noise in a linked compressor-expander telecommunications system | |||
| 41 | 4907217 | System and method of transmitting a complex waveform over a communication channel utilizing lincompex techniques | |||
| 42 | 4894862 | Signal compression circuit, particularly for a telephone set | |||
1989 | |||||
| 43 | 4882762 | Multi-band programmable compression system | |||
| 44 | 4876741 | Method of receiving a compressed composite signal | |||
1988 | |||||
| 45 | 4741039 | System for maximum efficient transfer of modulated energy | |||
| 46 | 4718116 | Method and apparatus for receiving a compressed composite signal | |||
1987 | |||||
| 47 | 4677645 | Audio signal transmission system having noise reduction means | |||
| 48 | 4642583 | Noise reduction in companding arrangements | |||
1986 | |||||
| 49 | 4600902 | Compandor noise reduction circuit | |||
| 50 | 4573208 | Compressed single side band communications system and method | |||
1985 | |||||
| 51 | 4562571 | Speech processing device for radioelectric equipment adapted for speech transmission and reception | |||
| 52 | 4551853 | Apparatus for processing speech in radioelectric transmitter/receiver equipment suitable for transmitting and receiving speech | |||
| 53 | 4547741 | Noise reduction circuit with a main signal path and auxiliary signal path having a high pass filter characteristic | |||
| 54 | 4539707 | Compressed single side band communications system and method | |||
| 55 | 4536846 | Distortion reducer for companded analog systems | |||
| 56 | 4531208 | Apparatus and method for reducing telephone channel power loading | |||
| 57 | 4500842 | Adaptive gain variable bit rate NIC processor | |||
1984 | |||||
| 58 | 4485483 | FM Stereophonic system incorporating companding of difference signal | |||
| 59 | 4457020 | Signal processing device for use on radio links | |||
| 60 | 4430754 | Noise reducing apparatus | |||
1983 | |||||
| 61 | 4369509 | Gain control circuit for noise reduction system | |||
1982 | |||||
| 62 | 4326293 | Transmitter-receiver with automatic alternation control | |||
| 63 | 4314372 | Methods and means for producing and reproducing transmitted or recorded sound or video signals | |||
| 64 | 4313194 | Transmission system of frequency division multiplex signals on digital links | |||
| 65 | 4309676 | Instantaneous compressor and instantaneous expandor | |||
1981 | |||||
| 66 | 4295223 | Digital signal/noise ratio amplifier apparatus for a communication system | |||
| 67 | 4281295 | Noise reducing apparatus | |||
| 68 | 4271499 | Method and apparatus for digitally implementing a linked compressor-expander telecommunications system | |||
| 69 | 4253072 | Compandor with sampling and equalization | |||
| 70 | 4250470 | Syllabic compander with logarithmic chain | |||
1980 | |||||
| 71 | 4221934 | Compandor for group of FDM signals | |||
| 72 | 4181970 | Digital attenuator for compressed PCM signals | |||
1979 | |||||
| 73 | 4162462 | Noise reduction system | |||
| 74 | 4152582 | Compaction/expansion logic | |||
| 75 | 4151469 | Apparatus equipped with a transmitting and receiving station for generating, converting and transmitting signals | |||
| 76 | 4145664 | Audio signal compression and expansion system | |||
| 77 | 4136314 | Adaptive signal weighting system | |||
1978 | |||||
| 78 | 4123711 | Synchronized compressor and expander voice processing system for radio telephone | |||
| 79 | 4114115 | Compandor apparatus | |||
| 80 | 4112254 | Signal compander system | |||
| 81 | 4110699 | Adaptive audio compressor | |||
| 82 | 4103239 | Compressor for both speech and carrier signals | |||
| 83 | 4101849 | Adaptive filter | |||
| 84 | 4072914 | Compression and expansion system with enlarged dynamic range | |||
| 85 | 4071695 | Speech signal amplitude equalizer | |||
| 86 | 4068139 | IC compatible variable shunt impedance for Dolby B system | |||
1977 | |||||
| 87 | 4060764 | Transceiver audio system | |||
| 88 | 4039949 | Pulse code modulation with dynamic range limiting | |||
| 89 | 4038652 | Digital communications line terminal compacter/expander | |||
| 90 | 4035739 | Signal dynamic compression and expansion circuits | |||
| 91 | 4001732 | Calibration oscillators for noise reduction systems | |||
1976 | |||||
| 92 | 3978409 | Signal compressors and expanders | |||
| 93 | 3972010 | Compressors, expanders and noise reduction systems | |||
| 94 | 3969680 | Automatic dynamic compander system | |||
| 95 | 3967219 | Signal compressors and expanders | |||
| 96 | 3943466 | Compander for TDM telecommunication system | |||
| 97 | 3934190 | Signal compressors and expanders | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||