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Class Information
Number: 340/825.71
Name: Communications: electrical > Selective > Frequency responsive actuation
Description: Subject matter wherein the control signal is a frequency variation in an alternating current.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7564366 |
System and method for setting an oscillator in an RFID transponder |
Jul. 21, 2009 |
| 7471187 |
Door control system and method |
Dec. 30, 2008 |
| 7411494 |
Wireless sensor unit |
Aug. 12, 2008 |
| 7400874 |
Integrated circuit comprising a clock-signal generator, smart card comprising an integrated circuit of this kind and associated method for the generation of clock signals |
Jul. 15, 2008 |
| 7362229 |
Ensuring the performance of mandated inspections combined with the collection of ancillary data |
Apr. 22, 2008 |
| 7319394 |
Techniques to configure a remote control |
Jan. 15, 2008 |
| 7254182 |
Transmitter for operating multiple devices |
Aug. 7, 2007 |
| 7254403 |
Wireless terminal-interoperable home network system |
Aug. 7, 2007 |
| 7248144 |
Barrier operator with secure/unsecure transmitter and method of use |
Jul. 24, 2007 |
| 7209014 |
Switching device actuated by a transponder |
Apr. 24, 2007 |
| 7187282 |
Digital capacitive sensing device for security and safety applications |
Mar. 6, 2007 |
| 7158869 |
Method,device and bus manager for operating a device that is connected to a motor vehicle communications network |
Jan. 2, 2007 |
| 7142107 |
Wireless sensor unit |
Nov. 28, 2006 |
| 7106209 |
Programming a universal remote control |
Sep. 12, 2006 |
| 7102531 |
Remote controller for television/video recorder having a function of measuring body fat and body fat meter |
Sep. 5, 2006 |
| 7068169 |
Use of a subcarrier in an organic semiconductor radio frequency identification system |
Jun. 27, 2006 |
| 7068177 |
Multi-sensor device and methods for fire detection |
Jun. 27, 2006 |
| 7042352 |
Wireless repeater for sensor system |
May. 9, 2006 |
| 7009527 |
Control system for suppling power by power line communication |
Mar. 7, 2006 |
| 7006802 |
Universal transmitter |
Feb. 28, 2006 |
| 6992565 |
Electronic communications system |
Jan. 31, 2006 |
| 6967573 |
Transmitter and a method for transmitting data |
Nov. 22, 2005 |
| 6956461 |
Apparatus and method for remotely controlling household appliances |
Oct. 18, 2005 |
| 6888462 |
System and method for identifying component parts in an assembly |
May. 3, 2005 |
| 6867687 |
Sideband diversity reader for electronic identification system |
Mar. 15, 2005 |
| 6862188 |
Computer with cover removal detection |
Mar. 1, 2005 |
| 6859139 |
Control apparatus for controlling motor drive |
Feb. 22, 2005 |
| 6598003 |
Power and environmental condition monitoring system and method |
Jul. 22, 2003 |
| 6559755 |
Storage device and method, information processing apparatus and method, and provision medium therefor |
May. 6, 2003 |
| 6542072 |
Interactive burglar-proof alarm system |
Apr. 1, 2003 |
| 6411199 |
Radio frequency identification system |
Jun. 25, 2002 |
| 6360163 |
Vehicle detector using a loop sensor |
Mar. 19, 2002 |
| 6346692 |
Adaptive microwave oven |
Feb. 12, 2002 |
| 6339385 |
Electronic communication devices, methods of forming electrical communication devices, and communication methods |
Jan. 15, 2002 |
| 6052065 |
Vin reading and transmitting system |
Apr. 18, 2000 |
| 6011492 |
Vehicle warning system for visual communication of hazardous traffic conditions |
Jan. 4, 2000 |
| 5973617 |
Control circuit with adjustable standby oscillator |
Oct. 26, 1999 |
| 5914701 |
Non-contact system for sensing and signalling by externally induced intra-body currents |
Jun. 22, 1999 |
| 5774063 |
Method and apparatus for software based wireless remote control of electronic devices |
Jun. 30, 1998 |
| 5638056 |
Remote control apparatus |
Jun. 10, 1997 |
| 5606314 |
Information processing system connected by radio communication |
Feb. 25, 1997 |
| 5602664 |
Infrared repeater |
Feb. 11, 1997 |
| 5592155 |
Remote control infrared receiver with light detector and pre-amplifier |
Jan. 7, 1997 |
| 5583785 |
Method and apparatus for signal decoder using instantaneous magnitude and phase detection |
Dec. 10, 1996 |
| 5532686 |
Programmable transponder |
Jul. 2, 1996 |
| 5455464 |
Method and apparatus for providing dynamically configurable electrical switches |
Oct. 3, 1995 |
| 5446447 |
RF tagging system including RF tags with variable frequency resonant circuits |
Aug. 29, 1995 |
| 5442335 |
Controller for controlling operation of at least one electrical load operating on an AC supply, and a method thereof |
Aug. 15, 1995 |
| 5388691 |
Protective case for remote control transmitter |
Feb. 14, 1995 |
| 5307193 |
Control signal repeater system |
Apr. 26, 1994 |
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