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Browse by Category: Main > Communications
Class Information
Number: 340/506
Name: Communications: electrical > Condition responsive indicating system > With particular system function (e.g., temperature compensation, calibration) > Alarm system supervision
Description: Subject matter where there is continuous monitoring of the operativeness of the alarm circuits in the system.


Sub-classes under this class:

Class Number Class Name Patents
340/510 Bridge or potential divider 68
340/513 Diode 38
340/507 Fail-safe 216
340/509 Plural or diverse current sources 52
340/512 Pulse 69
340/508 Redundant (e.g., added circuit or loop) 181
340/511 Threshold or window (e.g., of analog electrical level) 364


Patents under this class:

Patent Number Title Of Patent Date Issued
7046985 Security system May. 16, 2006
7047160 System and method for determining maintenance needs of complex electromechanical systems May. 16, 2006
7042350 Security messaging system May. 9, 2006
7038581 Method for adjusting parameters for the presentation of multimedia objects May. 2, 2006
7038582 Access control system wireless transmission link test method May. 2, 2006
7038583 Modem communicator May. 2, 2006
7034705 Emergency information terminal and emergency information system including terminal Apr. 25, 2006
7030746 Method and system for generating automatic alarms based on trends detected in machine operation Apr. 18, 2006
7030747 Method and system for integrated alarms in a process control system Apr. 18, 2006
7026926 System and method for wireless transmission of security alarms to selected groups Apr. 11, 2006
7023337 Spray gun control operator interface Apr. 4, 2006
7019633 Audio signal sound diffusion system Mar. 28, 2006
7019634 Addressable location indicator apparatus and method Mar. 28, 2006
7019636 Electronic system with a multiple access protocol and method of multiple access Mar. 28, 2006
7019637 Systems and methods for detecting and processing Mar. 28, 2006
7015806 Distributed monitoring for a video security system Mar. 21, 2006
7015819 Event notification system and wet well monitor Mar. 21, 2006
7016955 Network management apparatus and method for processing events associated with device reboot Mar. 21, 2006
7012516 Cupboard monitoring device Mar. 14, 2006
7012524 Anti-intruder security system with sensor network and actuator network Mar. 14, 2006
7009510 Environmental and security monitoring system with flexible alarm notification and status capability Mar. 7, 2006
7005991 Method for anticipating, delaying and/or preventing the risk of spontaneous combustion and/or explosion of an explosive atmosphere Feb. 28, 2006
7005994 Smart fire alarm and gas detection system Feb. 28, 2006
7006832 Method for intelligent home controller and home monitor Feb. 28, 2006
7002462 System and method for remote monitoring and maintenance management of vertical transportation equipment Feb. 21, 2006
7002479 Hardware monitoring device Feb. 21, 2006
6998992 System and an arrangement to determine the position in a hazardous situation Feb. 14, 2006
6995688 Method and apparatus for thwarting attempts to hijack aircraft and for responding to other aircraft emergencies Feb. 7, 2006
6992575 Methods and apparatus for generating a data structure indicative of an alarm system circuit Jan. 31, 2006
6992589 System and method for employee notification and evidence gathering during a robbery Jan. 31, 2006
6989731 Notifying a user that a warning status has occurred in a device Jan. 24, 2006
6989757 Proactive carbon monoxide monitoring, alarm and protection system Jan. 24, 2006
6987448 Medical gas alarm system Jan. 17, 2006
6987450 Method and apparatus for determining message response type in a security system Jan. 17, 2006
6982641 Simplified circuit for intrusion detectors Jan. 3, 2006
6980102 Alert processing Dec. 27, 2005
6980826 Communication system, a communication method, and a cellular phone Dec. 27, 2005
6977585 Monitoring system and monitoring method Dec. 20, 2005
6975220 Internet based security, fire and emergency identification and communication system Dec. 13, 2005
6975247 Entity catastrophic security system and method Dec. 13, 2005
6972676 Method and apparatus for remotely monitoring a site Dec. 6, 2005
6970078 Methods and apparatus for generating a data structure indicative of an alarm system circuit Nov. 29, 2005
6965308 System and method for operating a plurality of power generation stations Nov. 15, 2005
6965309 Alarm data delivery method Nov. 15, 2005
6965314 Apparatus and method for asynchronously analyzing data to detect radioactive material Nov. 15, 2005
6963276 Card-type anti-miss/anti-theft alarm device Nov. 8, 2005
6963288 Apparatus and method for displaying system state information Nov. 8, 2005
6960987 Fire alarm system, fire sensor, fire receiver, and repeater Nov. 1, 2005
6958688 Theft tracking system and method Oct. 25, 2005
6958976 Abnormality detection method and system having sleep mode check function Oct. 25, 2005



 
 
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