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Class Information
Number: 340/533
Name: Communications: electrical > Condition responsive indicating system > With particular coupling link > Wired
Description: Subject matter with a transmitting means connected to indicating means by an arrangement of conductors.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7605687 |
Ambient condition detector with variable pitch alarm |
Oct. 20, 2009 |
| 7561037 |
Apparatus for and method of collecting and distributing event data to strategic security personnel and response vehicles |
Jul. 14, 2009 |
| 7551075 |
Ground based security surveillance system for aircraft and other commercial vehicles |
Jun. 23, 2009 |
| 7545264 |
Alarm system with analog devices |
Jun. 9, 2009 |
| 7541935 |
System and methods for monitoring caregiver performance |
Jun. 2, 2009 |
| 7528737 |
Temperature responsive indicators for process control instruments |
May. 5, 2009 |
| 7511612 |
Ground based security surveillance system for aircraft and other commercial vehicles |
Mar. 31, 2009 |
| 7449999 |
Security system interface module |
Nov. 11, 2008 |
| 7443310 |
Remote sensor network system with redundancy |
Oct. 28, 2008 |
| 7417535 |
Apparatus and method for converting a low voltage AC wiring circuit to a high speed data communications link |
Aug. 26, 2008 |
| 7414526 |
Coupling of communications signals to a power line |
Aug. 19, 2008 |
| 7403113 |
GaN-based sensor nodes for in situ detection of gases |
Jul. 22, 2008 |
| 7265669 |
Networks with sensors for air safety and security |
Sep. 4, 2007 |
| 7259656 |
System and method for displaying safe exit routes during an emergency condition |
Aug. 21, 2007 |
| 7242295 |
Security data management system |
Jul. 10, 2007 |
| 7193511 |
Rapid-mounting security monitoring and controlling system |
Mar. 20, 2007 |
| 7173526 |
Apparatus and method of collecting and distributing event data to strategic security personnel and response vehicles |
Feb. 6, 2007 |
| 7167100 |
Apparatus for leaving message on refrigerator |
Jan. 23, 2007 |
| 7088233 |
Personal medical device communication system and method |
Aug. 8, 2006 |
| 7053756 |
Facilitating communication of data signals on electric power systems |
May. 30, 2006 |
| 7038583 |
Modem communicator |
May. 2, 2006 |
| 7026936 |
Distributed RF coupled system |
Apr. 11, 2006 |
| 7012518 |
Dimmer control system with two-way master-remote communication |
Mar. 14, 2006 |
| 6992579 |
Burglar alarm system having reduced wiring |
Jan. 31, 2006 |
| 6987449 |
Dimmer control system with tandem power supplies |
Jan. 17, 2006 |
| 6980110 |
Apparatus for remote notification |
Dec. 27, 2005 |
| 6960998 |
Bi-directional wireless detection system |
Nov. 1, 2005 |
| 6933844 |
Closure security seal with time-recording feature |
Aug. 23, 2005 |
| 6900726 |
System and method for fiber optic communication with safety-related alarm systems |
May. 31, 2005 |
| 6888444 |
SIGNAL TRANSMITTING CIRCUIT, SIGNAL RECEIVING CIRCUIT, SIGNAL TRANSMITTING/RECEIVING CIRCUIT, SIGNAL TRANSMITTING METHOD, SIGNAL RECEIVING METHOD, SIGNAL TRANSMITTING/RECEIVING METHOD, SEMICON |
May. 3, 2005 |
| 6852923 |
Device and method for imparting movement to a selected line |
Feb. 8, 2005 |
| 6842123 |
Electromechanical switching device and emergency shut-off and communication system utilizing same |
Jan. 11, 2005 |
| 6838986 |
Notification of use of network-enabled device |
Jan. 4, 2005 |
| 6816068 |
Programmable temporal codes/pulses |
Nov. 9, 2004 |
| 6809642 |
Evacuation warning system for computer local area networks |
Oct. 26, 2004 |
| 6778082 |
Smoke detector system for a house |
Aug. 17, 2004 |
| 6759956 |
Bi-directional wireless detection system |
Jul. 6, 2004 |
| 6741173 |
Distributed alarm system |
May. 25, 2004 |
| 6727815 |
Fire alarm system |
Apr. 27, 2004 |
| 6650239 |
Outdoor intrusion detection alarm |
Nov. 18, 2003 |
| 6577233 |
Fire alarm system and terminal equipment in the same |
Jun. 10, 2003 |
| 6567001 |
Fire control panel monitoring for degradation of wiring integrity during alarm state |
May. 20, 2003 |
| 6545601 |
Ground based security surveillance system for aircraft and other commercial vehicles |
Apr. 8, 2003 |
| 6545602 |
Fire alarm system |
Apr. 8, 2003 |
| 6535110 |
Device adapter for automation system |
Mar. 18, 2003 |
| 6522249 |
Two wire output/power mechanism for remote devices |
Feb. 18, 2003 |
| 6518878 |
Warning system |
Feb. 11, 2003 |
| 6518879 |
Apparatus and method for monitoring line disconnection and a fire, and a fire alarm system having the same |
Feb. 11, 2003 |
| 6507277 |
Danger signalling system |
Jan. 14, 2003 |
| 6492903 |
Multiple input-type and multiple signal processing-type device and related methods |
Dec. 10, 2002 |
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