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Class Information
Number: 340/531
Name: Communications: electrical > Condition responsive indicating system > With particular coupling link
Description: Subject matter having specific connecting means between the sensing and indicating means.


Sub-classes under this class:

Class Number Class Name Patents
340/532 Having particular safety function 58
340/539.1 Radio 2,022
340/533 Wired 187


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Patent Number Title Of Patent Date Issued
6346876 Multi-vehicle compatible control system generating command signals on a data bus and associated methods Feb. 12, 2002
6346883 Mobile security system and auto dialing unit used same Feb. 12, 2002
6344799 Location specific alarm relay (L.S.A.R) Feb. 5, 2002
6342834 Personal security system with alarm location tracking Jan. 29, 2002
6339372 Protective system for work in radioactive environments Jan. 15, 2002
6337621 Security and emergency communication service coordination system and notification control method therefor Jan. 8, 2002
6333694 Personal emergency response system Dec. 25, 2001
6329904 Apparatus and method for providing weather and other alerts Dec. 11, 2001
6326885 Keyless security system Dec. 4, 2001
6320502 Method and apparatus for transmitting data between a position measuring system and an evaluation unit Nov. 20, 2001
6320504 Mobile security system and auto dialing unit used same Nov. 20, 2001
6317042 Automated emergency announcement system Nov. 13, 2001
6317039 Wireless video audio data remote system Nov. 13, 2001
6308120 Vehicle service status tracking system and method Oct. 23, 2001
6307472 Post office box system and apparatus for indicating post office box occupancy Oct. 23, 2001
6294993 System for providing personal security via event detection Sep. 25, 2001
6295002 Battery voltage display apparatus for wireless communication system Sep. 25, 2001
6292432 Information generating apparatus using elastic waves Sep. 18, 2001
6281791 Fire alarm system Aug. 28, 2001
6278365 Security system with intermittent alarm location detection Aug. 21, 2001
6275147 Vehicle security system for a vehicle having a data communications bus and related methods Aug. 14, 2001
6271752 Intelligent multi-access system Aug. 7, 2001
6255942 Wireless communications platform Jul. 3, 2001
6252508 Radio frequency identification tag arranged for magnetically storing tag state information Jun. 26, 2001
6249216 Vehicle security system including adaptor for data communications bus and related methods Jun. 19, 2001
6249221 Emergency detector door illumination escape system Jun. 19, 2001
6246322 Impulse characteristic responsive missing object locator operable in noisy environments Jun. 12, 2001
6246325 Distributed communications system for reducing equipment down-time Jun. 12, 2001
6243010 Adaptive console for augmenting wireless capability in security systems Jun. 5, 2001
6243004 Vehicle security system with inductive coupling to a vehicle having a data communications bus and related methods Jun. 5, 2001
6225919 Method of identifying and locating trainline power supplies May. 1, 2001
6218938 Anti-burglar alarming door bell Apr. 17, 2001
6215405 Programmable temperature sensor for security system Apr. 10, 2001
6215404 Network audio-link fire alarm monitoring system and method Apr. 10, 2001
6208247 Wireless integrated sensor network using multiple relayed communications Mar. 27, 2001
6204760 Security system for a building complex having multiple units Mar. 20, 2001
6201476 Device for monitoring the activity of a person and/or detecting a fall, in particular with a view to providing help in the event of an incident hazardous to life or limb Mar. 13, 2001
6175307 Security system with audible link and two-way communication Jan. 16, 2001
6172619 Automatic train serialization with car orientation Jan. 9, 2001
6172605 Remote monitoring system and method Jan. 9, 2001
6166639 Personal emergency response system Dec. 26, 2000
6157304 Pool alarm system including motion detectors and a drain blockage sensor Dec. 5, 2000
6148179 Wireless spread spectrum ground link-based aircraft data communication system for engine event reporting Nov. 14, 2000
6144315 Remote control system suitable for a vehicle and having remote transmitter verification and code reset features Nov. 7, 2000
6137408 Controller for plural area sensors Oct. 24, 2000
6127925 Signalling and/or help request system Oct. 3, 2000
6127924 Security system capable of locating a stolen car Oct. 3, 2000
6122350 PSTN appliance security system with reduced PSTN traffic loading Sep. 19, 2000
6118373 Method of remotely detecting an ambient condition Sep. 12, 2000
6114949 Steering wheel with opto-electronic sensor Sep. 5, 2000

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15


 
 
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