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Your search returned 160 patents.
( 375/243 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 5537440 | Efficient transcoding device and method
| January 7, 1994 |
| 5526291 | Compensation for receiver and satellite signal differences
| September 8, 1994 |
| 5515395 | Coding method, coder and decoder for digital signal, and recording medium for coded information information signal
| December 27, 1993 |
| 5511094 | Signal processor for a sub-band coding system
| April 8, 1994 |
| 5487087 | Signal quantizer with reduced output fluctuation
| May 17, 1994 |
| 5487086 | Transform vector quantization for adaptive predictive coding
| September 13, 1991 |
| 5479446 | Channel estimation device
| September 29, 1993 |
| 5469474 | Quantization bit number allocation by first selecting a subband signal having a maximum of signal to mask ratios in an input signal
| June 24, 1993 |
| 5461641 | Decimation filter for a sigma-delta converter and A/D converter using the same
| November 23, 1992 |
| 5440593 | Combined aligner blender
| September 30, 1993 |
| 5317672 | Variable bit rate speech encoder
| March 4, 1992 |
| 5298900 | Sigma-delta modulator
| March 12, 1993 |
| 5274374 | Analog-to-digital converter having multi-bit cascaded sigma-delta loops with delaying intergrators
| March 20, 1992 |
| 5191332 | Differentiator/integrator based oversampling converter
| February 11, 1991 |
| 5159447 | Buffer control for variable bit-rate channel
| May 23, 1991 |
| 5153593 | Multi-stage sigma-delta analog-to-digital converter
| April 26, 1990 |
| 5124706 | Analog to digital and digital to analog signal processors
| May 24, 1990 |
| 5115241 | Predictive coding device with increased resolution
| June 8, 1990 |
| 5101205 | A/D converter including error correction for a local D/A converter
| January 24, 1991 |
| 5099498 | Method for suppressing quantization noises superimposed on a sinusoidal audible tone transmitted in a digital telecommunications exchange system
| June 14, 1989 |
| 5073901 | Method for correcting waveform data in digital signal modulation and base band signal generator using data provided by this method
| July 23, 1990 |
| 5061925 | Phase equalization system for a digital-to-analog converter utilizing separate digital and analog sections
| August 22, 1990 |
| 5034965 | Efficient coding method and its decoding method
| November 8, 1989 |
| 5028924 | Digital correction of gain mismatch in a sigma delta modulator
| March 2, 1990 |
| 5021786 | Analog to digital and digital to analog signal processors
| September 15, 1989 |
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