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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:
| 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 |
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