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Class Information
Number: 341/181
Name: Coded data generation or conversion > Code generator or transmitter > With variable pulse spacing or grouping > Carrier frequency variation
Description: Subject matter in which the frequency of the carrier upon which the pulses are modulated is varied.










Patents under this class:

Patent Number Title Of Patent Date Issued
8665065 Barrier operator with power management features Mar. 4, 2014
8306096 Interference reduction using variable digital-to-analog converter (DAC) sampling rates Nov. 6, 2012
8249129 Wideband frequency hopping spread spectrum transmitters and related methods Aug. 21, 2012
7779435 Methods and apparatus to export tuning data collected in a receiving device Aug. 17, 2010
7593358 Transmission device for remote control systems Sep. 22, 2009
7541966 Apparatus and method for demodulating a modulated signal Jun. 2, 2009
7356141 Baud rate modulation encoding/decoding method and device for remote controller Apr. 8, 2008
6904539 Method of determining data transfer speed in data transfer apparatus Jun. 7, 2005
6757276 Touch tone replacement for internet telephony Jun. 29, 2004
6108377 Transmitter unit for an anti-theft system of a motor vehicle, and method for operating the transmitter unit Aug. 22, 2000
4413261 Coded control for vehicle engine ignition circuit Nov. 1, 1983
4245326 Impulse autocorrelation function code generator Jan. 13, 1981
4103238 Transmitter modulated with three modulation patterns Jul. 25, 1978
4070650 Digital signal transmission system and equipment Jan. 24, 1978
4053879 Fail safe digital code rate generator Oct. 11, 1977
3939679 Safety system Feb. 24, 1976











 
 
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