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Class Information
Number: 375/245
Name: Pulse or digital communications > Pulse code modulation > Differential > Quantizer or inverse quantizer
Description: Subject matter including a means for converting the instantaneous amplitude of the transmitted signal to the nearest of a fixed number of discrete amplitude levels, or reverse quantizer.

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8711952 Analog to digital converter with increased sub-range resolution Apr. 29, 2014
8682312 Method, system and service control point for realizing call management Mar. 25, 2014
8654900 Wireless communication device and quantization method Feb. 18, 2014
8619882 Data modulation circuit Dec. 31, 2013
8594205 Multiple description coding communication system Nov. 26, 2013
8594226 Method for processing a digital signal in a digital delta-sigma modulator, and digital delta-sigma modulator therefor Nov. 26, 2013
8595001 System for bandwidth extension of narrow-band speech Nov. 26, 2013
8582639 Methods and devices for data compression using adaptive reconstruction levels Nov. 12, 2013
8571151 Emulation of N-bits uniform quantizer from multiple incoherent and noisy one-bit measurements Oct. 29, 2013
8521522 Audio coding/decoding method and apparatus using excess quantization information Aug. 27, 2013
8504847 Securing data in a dispersed storage network using shared secret slices Aug. 6, 2013
8498355 Device and method for correcting a data error in communication path Jul. 30, 2013
8498658 Techniques and systems for providing data over power in communications based on time reversal Jul. 30, 2013
8494071 Device and method for correcting a data error in communication path Jul. 23, 2013
8488720 System and method for adaptive polar quantization Jul. 16, 2013
8488684 Methods and systems for hybrid MIMO decoding Jul. 16, 2013
8483291 Analog to digital converter with increased sub-range resolution Jul. 9, 2013
8457185 Wireless communication device and wireless communication system Jun. 4, 2013
8390885 Methods and system for improved color characterization Mar. 5, 2013
8390906 Membrane-based methods and system for color characterization Mar. 5, 2013
8300711 Adaptive differential pulse code modulation/demodulation system and method Oct. 30, 2012
8284086 Device and method for the transmission and reception of high fidelity audio using a single wire Oct. 9, 2012
8279947 Method, apparatus and system for multiple-description coding and decoding Oct. 2, 2012
8243821 For spatial Wyner Ziv coding Aug. 14, 2012
8199858 OOB (out of band) detection circuit and serial ATA system Jun. 12, 2012
8175145 Post-processing for reducing quantization noise of an encoder during decoding May. 8, 2012
RE43256 Processing of images using a limited number of bits Mar. 20, 2012
8098718 Apparatus and methods for digital-to-analog conversion with vector quantization Jan. 17, 2012
8098742 Gain control method and apparatus Jan. 17, 2012
7912158 Sampling threshold and gain for satellite navigation receiver Mar. 22, 2011
7898444 Decoding method Mar. 1, 2011
7894536 Calibration model to mitigate data conversion errors Feb. 22, 2011
7835471 Method of testing remote power line carrier pick-up coil with a single test frequency Nov. 16, 2010
7835472 Method of testing remote power line carrier pick-up coil with a sweep wave Nov. 16, 2010
7817725 Data converter device and data conversion method, and transmitter circuit, communications device and electronic device using the same Oct. 19, 2010
7817742 Power supply apparatus and power supply method Oct. 19, 2010
7809203 Apparatus for encoding and decoding key data and key value data of coordinate interpolator and recording medium containing bitstream into which coordinate interpolator is encoded Oct. 5, 2010
7809555 Speech signal classification system and method Oct. 5, 2010
7792385 Scratch pad for storing intermediate loop filter data Sep. 7, 2010
7747928 Digital wireless communication apparatus Jun. 29, 2010
7714873 Strategies for compressing textures May. 11, 2010
7715638 Processing of images using a limited number of bits May. 11, 2010
7697614 System and method for calibrating an analog signal path during operation in an ultra wideband receiver Apr. 13, 2010
7697466 Base station apparatus, mobile station apparatus, radio communication system, and radio communication method Apr. 13, 2010
7643637 Efficient code constructions via cryptographic assumptions Jan. 5, 2010
7639757 Pulse modulator and pulse modulation method Dec. 29, 2009
7636396 Method of testing remote power line carrier pick-up coil Dec. 22, 2009
7627469 Audio signal encoding apparatus and audio signal encoding method Dec. 1, 2009
7583584 System and method for time diversity Sep. 1, 2009
7574355 Apparatus and method for determining a quantizer step size Aug. 11, 2009

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