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Class Information
Number: 341/174
Name: Coded data generation or conversion > Code generator or transmitter > Plural transmitters
Description: Subject matter including multiple pulse transmitters for sending output along a common channel.

Patents under this class:

Patent Number Title Of Patent Date Issued
8552838 Passive wireless system Oct. 8, 2013
8306096 Interference reduction using variable digital-to-analog converter (DAC) sampling rates Nov. 6, 2012
8228224 System and method of using a remote control and apparatus Jul. 24, 2012
8213549 Apparatus, computer program and method for determining a symbol estimate Jul. 3, 2012
7973648 Remote operation system Jul. 5, 2011
7924150 Safe identification and association of wireless sensors Apr. 12, 2011
7877588 System for transmitting control commands to electronic devices Jan. 25, 2011
7839314 Satellite radio navigation receiver Nov. 23, 2010
7779435 Methods and apparatus to export tuning data collected in a receiving device Aug. 17, 2010
7764190 System using a fiber optic cable to distribute commands for controlling operations of an appliance Jul. 27, 2010
7605737 Data encoding in a clocked data interface Oct. 20, 2009
7589651 Flexible signal detect for programmable logic device serial interface Sep. 15, 2009
7564381 System and method for code-based compression in a communications environment Jul. 21, 2009
7551856 Methods and apparatus for controlling multiple infrared devices Jun. 23, 2009
7541966 Apparatus and method for demodulating a modulated signal Jun. 2, 2009
7539267 Impulse radio systems with multiple pulse types May. 26, 2009
7538711 Integrated remote control device receiving multimodal input and method of the same May. 26, 2009
7436346 System, method and interface for controlling multiple electronic devices of a home entertainment system via a single control device Oct. 14, 2008
7352288 Apparatus and method for preventing malfunction of remote controller Apr. 1, 2008
7319426 Controlling device with illuminated user interface Jan. 15, 2008
7307574 Remote control, apparatus, system and methods of using the same Dec. 11, 2007
7298311 Controller apparatus for controlling an electronic apparatus Nov. 20, 2007
7263292 Methods and apparatus for controlling multiple infrared devices Aug. 28, 2007
7154428 Remote control with selective key illumination Dec. 26, 2006
6243000 Wireless rolling code security system Jun. 5, 2001
6225889 Method of producing rolling code and keyless entry apparatus using the same May. 1, 2001
6130606 Vehicle security system having transmitter verification and pseudorandom coding features and related methods Oct. 10, 2000
5986571 Building security system having remote transmitter code verification and code reset features Nov. 16, 1999
5748135 Wireless remote control transmitter for use with consumer entertainment electronics appliance May. 5, 1998
5654688 Vehicle security system having enhanced remote transmitter security Aug. 5, 1997
5598435 Digital modulation using QAM with multiple signal point constellations not equal to a power of two Jan. 28, 1997
5515051 Wireless signaling system May. 7, 1996
5227780 Apparatus with a portable UHF radio transmitter remote for controlling one or more of infrared controlled appliances Jul. 13, 1993
4724425 Security and alarm system Feb. 9, 1988
4670739 Communication system especially useful as an incident location reporting security system Jun. 2, 1987
4661804 Supervised wireless security system Apr. 28, 1987
4661005 Spittable keyboard for word processing, typing and other information input systems Apr. 28, 1987
4575712 Communication system Mar. 11, 1986
4550312 Remote sensing systems Oct. 29, 1985
4523184 Supervised wireless security system Jun. 11, 1985
4254407 Data processing system having optically linked subsystems, including an optical keyboard Mar. 3, 1981
4112421 Method and apparatus for automatically monitoring objects Sep. 5, 1978
4032931 Money transfer device keyboard terminal Jun. 28, 1977

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