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Class Information
Number: 341/126
Name: Coded data generation or conversion > Analog to or from digital conversion
Description: Subject matter wherein analog information represented by the amplitude of an electrical signal, which signal can have an infinite number of values within a given range is converted to or from a coded digital signal representing the same information.


Sub-classes under this class:

Class Number Class Name Patents
341/155 Analog to digital conversion 2,133
341/127 Bipolar 97
341/142 Converter is part of control loop 50
341/132 Detecting analog signal peak 58
341/143 Differential encoder and/or decoder (e.g., delta modulation, differential pulse code modulation) 1,643
341/130 Difunction code as output 5
341/144 Digital to analog conversion 1,661
341/131 Increasing converter resolution (e.g., dithering) 248
341/141 Multiplex 372
341/138 Nonlinear 163
341/137 Using optical device, (e.g., fiber optics, cathode ray tubes) 122
341/133 With particular solid state devices (e.g., gunn effect device, josephson device, drift transistor, using solid state active devices as impedances) with other at longer intervals) 229


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7403141 Wireless local area network device supporting enhanced call functions Jul. 22, 2008
7375667 Discrete synthesis using staggered Nyquist regions avoids guard band induced holes near a Nyquist limit May. 20, 2008
7373281 High bandwidth oscilloscope May. 13, 2008
7359853 Method and system for low bit rate voice encoding and decoding applicable for any reduced bandwidth requirements including wireless Apr. 15, 2008
7319418 Sensor with multiplex data output Jan. 15, 2008
7312735 Parallel-to-serial converter Dec. 25, 2007
7313380 Variable resolution A/D converter Dec. 25, 2007
7307563 Apparatus and method for performing dithering in communication system using orthogonal frequency division multiplexing scheme Dec. 11, 2007
7307566 Apparatus and method of stabilizing sigma-delta modulator for fractional-N phase-locked-loop Dec. 11, 2007
7295638 Communication device Nov. 13, 2007
7283012 Tri-state pulse density modulator Oct. 16, 2007
7280059 Systems and methods for mixing domains in signal processing Oct. 9, 2007
7271752 Arrangement for the operation of field devices of an administration and maintenance unit of a building Sep. 18, 2007
7266152 Digital signal processing device and digital signal processing method Sep. 4, 2007
7257497 Sequential frequency band acquisition apparatus for test and measurement instruments Aug. 14, 2007
7250883 A/D converter Jul. 31, 2007
7230554 Noise suppression circuit, ASIC, navigation apparatus, communication circuit, and communication apparatus having the same Jun. 12, 2007
7227480 Current steering type single flux quantum circuit Jun. 5, 2007
7222055 High bandwidth real-time oscilloscope May. 22, 2007
7219037 High bandwidth oscilloscope May. 15, 2007
7190752 Data signal quality evaluation method and apparatus using high speed sampling Mar. 13, 2007
7188087 Devices, systems and methods for restricting use of digital content Mar. 6, 2007
7188196 Method and apparatus for playing analog audio to multiple codec outputs Mar. 6, 2007
7180437 Parallel-to-serial converter Feb. 20, 2007
7173557 Analog/digital converter Feb. 6, 2007
7170930 Receiver Jan. 30, 2007
7146283 Calibrating analog-to-digital systems using a precision reference and a pulse-width modulation circuit to reduce local and large signal nonlinearities Dec. 5, 2006
7146288 System and method for estimating quantization error in sampled data Dec. 5, 2006
7142139 Powering down of DAC and ADC for receive/transmit modes of operation in a wireless device Nov. 28, 2006
7139684 High bandwidth real time oscilloscope Nov. 21, 2006
7138932 Signal converting apparatus for integrating analog-to-digital converter and digital-to-analog converter and integration unit Nov. 21, 2006
7129869 Superconductor semiconductor integrated circuit Oct. 31, 2006
7119714 Multi-bit digital input using a single pin Oct. 10, 2006
7113749 System and method for measuring a high speed signal Sep. 26, 2006
7084802 Signal processing circuit Aug. 1, 2006
7079064 Method and apparatus for phase control of a digital-to-analog converter Jul. 18, 2006
7076384 Method and apparatus for calibrating a current-based circuit Jul. 11, 2006
7068978 Current cell type digital-to-analog converter Jun. 27, 2006
7068068 Re-configurable mixed-mode integrated circuit architecture Jun. 27, 2006
7058548 High bandwidth real-time oscilloscope Jun. 6, 2006
7049990 Single loop feed-forward modulator with summing flash quantizer and multi-bit feedback May. 23, 2006
7034724 Training circuit and method of digital-analog converter and analog-digital converter Apr. 25, 2006
6985098 Analog front end circuit and method of compensating for DC offset in the analog front end circuit Jan. 10, 2006
6980147 Channelized analog-to-digital converter Dec. 27, 2005
6980142 Electron beam excited superconducting analog-to-digital converter Dec. 27, 2005
6977604 Analog-to-digital converter cyclically repeating AD conversion Dec. 20, 2005
6975258 Circuit for direct digital delta-sigma conversion of variable electrical capacitance Dec. 13, 2005
6967591 Multi-bit digital input using a single pin Nov. 22, 2005
6965339 Method and system for analog to digital conversion using digital pulse width modulation (PWM) Nov. 15, 2005
6949903 Method and apparatus for digitizing a voltage Sep. 27, 2005

1 2 3 4 5


 
 
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