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Class Information
Number: 340/539.1
Name: Communications: electrical > Condition responsive indicating system > With particular coupling link > Radio
Description: Subject matter where the communication link is by radio waves (i.e., other than light, X, or gamma rays, etc.).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6724316 |
Method and apparatus for detection of motion with a gravitational field detector in a security system |
Apr. 20, 2004 |
| 6724321 |
On-vehicle emergency report apparatus, emergency communication apparatus and emergency report system |
Apr. 20, 2004 |
| 6717513 |
Electronic message delivery system utilizable in the monitoring of remote equipment and method of same |
Apr. 6, 2004 |
| 6717514 |
Alarm system and method |
Apr. 6, 2004 |
| 6710715 |
Alarm system with integrated weather alert function |
Mar. 23, 2004 |
| 6703926 |
Vehicle data communication system with hand-held wireless control and display unit |
Mar. 9, 2004 |
| 6703931 |
Multifrequency monitoring and/or alarm device and process |
Mar. 9, 2004 |
| 6703939 |
System and method for detecting motion of a body |
Mar. 9, 2004 |
| 6700493 |
Method, apparatus and system for tracking, locating and monitoring an object or individual |
Mar. 2, 2004 |
| 6701158 |
Use controller for a wireless communication device |
Mar. 2, 2004 |
| 6696923 |
Method and a system for reducing the influence of disturbing signals in transponder applications |
Feb. 24, 2004 |
| 6696941 |
Theft alarm in mobile device |
Feb. 24, 2004 |
| 6696942 |
Emergency warning network |
Feb. 24, 2004 |
| 6696943 |
Video monitoring system for car seat |
Feb. 24, 2004 |
| 6696973 |
Communications system and control unit suitable therefor |
Feb. 24, 2004 |
| 6696982 |
Vehicle terminal apparatus and an information transmitting system |
Feb. 24, 2004 |
| 6693535 |
System and method for controlling the interior temperature of a vehicle |
Feb. 17, 2004 |
| 6690262 |
Systems and methods for two-way messaging using a pager |
Feb. 10, 2004 |
| 6690267 |
Remotely controllable bicycle lock and alarm system |
Feb. 10, 2004 |
| 6690276 |
Method and apparatus for monitoring message acknowledgements in a security system |
Feb. 10, 2004 |
| 6686843 |
Method and apparatus for determining the temperature of an infant |
Feb. 3, 2004 |
| 6683527 |
Security system |
Jan. 27, 2004 |
| 6683538 |
Position dependent messaging system |
Jan. 27, 2004 |
| 6677854 |
Remote vehicle diagnostic system |
Jan. 13, 2004 |
| 6674363 |
System for physical location of field devices in process plants |
Jan. 6, 2004 |
| 6670886 |
Tire pressure monitoring device and antenna therefor |
Dec. 30, 2003 |
| 6661339 |
High performance fuel tank |
Dec. 9, 2003 |
| 6661350 |
Miniature remote control system |
Dec. 9, 2003 |
| 6657537 |
Device for initiating an authorization request for a vehicle |
Dec. 2, 2003 |
| 6653937 |
Wide area multipurpose tracking system |
Nov. 25, 2003 |
| 6650238 |
Communication path integrity supervision in a network system for automatic alarm data communication |
Nov. 18, 2003 |
| 6650242 |
Mobile plant proximity detection and warning system |
Nov. 18, 2003 |
| 6636151 |
Water dispensing station with communication system |
Oct. 21, 2003 |
| 6629776 |
Digital sensor for miniature medical thermometer, and body temperature monitor |
Oct. 7, 2003 |
| 6628198 |
Security system for preventing a personal computer from being stolen or used by unauthorized people |
Sep. 30, 2003 |
| 6624750 |
Wireless home fire and security alarm system |
Sep. 23, 2003 |
| 6624760 |
Monitoring system including an electronic sensor platform and an interrogation transceiver |
Sep. 23, 2003 |
| 6617969 |
Event notification system |
Sep. 9, 2003 |
| 6614347 |
Apparatus and method for providing alarm synchronization among multiple alarm devices |
Sep. 2, 2003 |
| 6614352 |
Accurate stepmeter for location-based services |
Sep. 2, 2003 |
| 6611205 |
Gate operator safety system |
Aug. 26, 2003 |
| 6608556 |
Method and apparatus for providing a user of a mobile communication terminal or a group of users with an information message with an adaptive content |
Aug. 19, 2003 |
| 6608557 |
Systems and methods for transmitting signals to a central station |
Aug. 19, 2003 |
| 6603387 |
Programming of RF transmitter identification data by monitoring power |
Aug. 5, 2003 |
| 6603402 |
Water skier alert system and tow bar handle assembly |
Aug. 5, 2003 |
| 6597285 |
Non-contact communication apparatus and control method for non-contact communication apparatus |
Jul. 22, 2003 |
| 6580365 |
Method and apparatus for identifying remote sending units in a tire pressure monitor system of a vehicle using secondary modulation of wheel rotation |
Jun. 17, 2003 |
| 6573833 |
Acoustic finding system |
Jun. 3, 2003 |
| 6573839 |
Aircraft catastrophic security system |
Jun. 3, 2003 |
| 6570496 |
Networks and circuits for alarm system operations |
May. 27, 2003 |
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