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Class Information
Number: 340/539.22
Name: Communications: electrical > Condition responsive indicating system > With particular coupling link > Radio > Having plural distinct sensors (i.e., for surrounding conditions)
Description: Subject matter including multiple separate devices detecting environmental conditions.










Sub-classes under this class:

Class Number Class Name Patents
340/539.24 Diagnostic 75
340/539.25 Including video 100
340/539.23 Proximity 319


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

Patent Number Title Of Patent Date Issued
6664898 Multiple hazard field marker and components therefor Dec. 16, 2003
6661340 System and method for connecting security systems to a wireless device Dec. 9, 2003
6600424 Environment condition detector with audible alarm and voice identifier Jul. 29, 2003
6573831 Status notification system, status notification apparatus, and response apparatus Jun. 3, 2003
6445291 Adaptive console for augmenting wireless capability in security systems Sep. 3, 2002
6420973 Wireless smoke detection system Jul. 16, 2002
6380860 Portable wireless cellular fire alarm system apparatus and method Apr. 30, 2002
6380852 Power shut-off that operates in response to prespecified remote-conditions Apr. 30, 2002
6317029 In situ remote sensing Nov. 13, 2001
6297734 Randomization of transmit time Oct. 2, 2001
6255942 Wireless communications platform Jul. 3, 2001
6252501 Message repeating apparatus and method Jun. 26, 2001
6243010 Adaptive console for augmenting wireless capability in security systems Jun. 5, 2001
6229449 Detector apparatus May. 8, 2001
6188715 Frequency hopping system for intermittent transmission with receiver using individual tracking, FFT, and authentication Feb. 13, 2001
6137402 Method for arming a security system Oct. 24, 2000
6097288 Expandable, modular annunciation and intercom system Aug. 1, 2000
6078269 Battery-powered, RF-interconnected detector sensor system Jun. 20, 2000
6052052 Portable alarm system Apr. 18, 2000
6028513 Wireless activation of multiple alarm devices upon triggering of a single device Feb. 22, 2000
5861804 Computer controlled security and surveillance system Jan. 19, 1999
5793286 Combined infrasonic and infrared intrusion detection system Aug. 11, 1998
5563579 Dealer information and security apparatus and method Oct. 8, 1996
5500639 Satellite unit identification system Mar. 19, 1996
5499013 Pulse power generator Mar. 12, 1996
5446445 Mobile detection system Aug. 29, 1995
5406256 Remote sensor and motion alarm system Apr. 11, 1995
5402105 Garage door position indicating system Mar. 28, 1995
5382943 Remote monitoring unit Jan. 17, 1995
5381136 Remote data collection and monitoring system for distribution line Jan. 10, 1995
5378874 Diagnostic method and apparatus for a domestic appliance Jan. 3, 1995
5272465 Automatic alarm code converter Dec. 21, 1993
5200735 Weather protected portable security system for in-field use Apr. 6, 1993
5166664 Warning method and apparatus and parallel correlator particularly useful therein Nov. 24, 1992
5155469 Wireless alarm system Oct. 13, 1992
5148148 Radio alarm system Sep. 15, 1992
5061917 Electronic warning apparatus Oct. 29, 1991
4999607 Monitoring system with improved alerting and locating Mar. 12, 1991
4801924 Transmitter programmer connect system Jan. 31, 1989
4772876 Remote security transmitter address programmer Sep. 20, 1988
4737770 Security system with programmable sensor and user data input transmitters Apr. 12, 1988
4734680 Detection system with randomized transmissions Mar. 29, 1988
4692742 Security system with correlated signalling to selected satellite stations Sep. 8, 1987
4581606 Central monitor for home security system Apr. 8, 1986
4575712 Communication system Mar. 11, 1986
4560978 Communication system and method Dec. 24, 1985
4550311 Remote sensing systems Oct. 29, 1985
4442426 Signal transmission Apr. 10, 1984
4406995 Base station for monitoring call boxes Sep. 27, 1983
4358756 Alarm transmission system Nov. 9, 1982

1 2 3 4 5 6 7 8 9 10 11










 
 
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