| Patent | Date |
|---|
Method and apparatus for demodulation and power control bit detection in a spread spectrum communication system
Grant 5,737,327 - Ling , et al. April 7, 1 | 1998-04-07 |
Method of registering/-reassigning a call in a dual mode communication network
Grant 5,574,973 - Borth , et al. November 12, 1 | 1996-11-12 |
Dual mode radio communication unit
Grant 5,392,300 - Borth , et al. February 21, 1 | 1995-02-21 |
Method and apparatus for frequency hopping a signalling channel in a communication system
Grant 5,381,443 - Borth , et al. January 10, 1 | 1995-01-10 |
System and method for calculating channel gain and noise variance of a communication channel
Grant 5,379,324 - Mueller , et al. January 3, 1 | 1995-01-03 |
Method and apparatus for digital automatic gain control in a receiver
Grant 5,301,364 - Arens , et al. April 5, 1 | 1994-04-05 |
Digital automatic gain control
Grant 5,276,685 - Kepler , et al. January 4, 1 | 1994-01-04 |
Viterbi equalizer for radio receiver
Grant 5,263,052 - Borth , et al. November 16, 1 | 1993-11-16 |
Communication system receiver apparatus and method for fast carrier acquisition
Grant 5,233,632 - Baum , et al. August 3, 1 | 1993-08-03 |
System and method for calculating channel gain and noise variance of a communication channel
Grant 5,214,675 - Mueller , et al. May 25, 1 | 1993-05-25 |
Soft trellis decoding
Grant 5,144,644 - Borth September 1, 1 | 1992-09-01 |
Signal weighting system for digital receiver
Grant 5,142,551 - Borth , et al. August 25, 1 | 1992-08-25 |
Method and apparatus for synthesizing speech without voicing or pitch information
Grant 5,133,010 - Borth , et al. July 21, 1 | 1992-07-21 |
All-digital quadrature modulator
Grant 5,121,412 - Borth June 9, 1 | 1992-06-09 |
Frequency control apparatus and method for a digital radio receiver
Grant 4,887,050 - Borth , et al. December 12, 1 | 1989-12-12 |
TDMA radio system employing BPSK synchronization for QPSK signals subject to random phase variation and multipath fading
Grant 4,873,683 - Borth , et al. October 10, 1 | 1989-10-10 |
TDMA communications system with adaptive equalization
Grant 4,852,090 - Borth July 25, 1 | 1989-07-25 |
Rapid reference acquisition and phase error compensation for radio transmission of data
Grant 4,847,869 - Labedz , et al. July 11, 1 | 1989-07-11 |
Phase-coherent TDMA quadrature receiver for multipath fading channels
Grant 4,829,543 - Borth , et al. May 9, 1 | 1989-05-09 |
Multiplierless decimating low-pass filter for a noise-shaping A/D converter
Grant 4,775,851 - Borth October 4, 1 | 1988-10-04 |
Hands-free control system for a radiotelephone
Grant 4,737,976 - Borth , et al. April 12, 1 | 1988-04-12 |
Automatic gain selector for a noise suppression system
Grant 4,630,305 - Borth , et al. December 16, 1 | 1986-12-16 |
Automatic background noise estimator for a noise suppression system
Grant 4,630,304 - Borth , et al. December 16, 1 | 1986-12-16 |
Noise suppression system
Grant 4,628,529 - Borth , et al. December 9, 1 | 1986-12-09 |
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