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Class Information
Number: 340/547
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Intrusion detection > Door or window movement > Specified sensor > Magnetic sensor
Description: Subject matter in which movement is detected by a device containing or responsive to, a magnet or electromagnet.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8688407 Method, device and computer program product for magnetic tamper detection in a meter Apr. 1, 2014
8659425 Window safety and security device Feb. 25, 2014
8653974 Interface between an object such as a firearm and an alarm or monitoring system Feb. 18, 2014
8648720 High security burglar alarm device Feb. 11, 2014
8624736 Status monitoring system for a fenestration unit Jan. 7, 2014
8587430 Active logistical tag for cargo Nov. 19, 2013
8576073 Gesture-based user interface for a wearable portable device Nov. 5, 2013
8552875 Efficient and safe door locking control in power-off and power-on conditions Oct. 8, 2013
8471704 Door system comprising a sensor device for monitoring vertical door edges Jun. 25, 2013
8465859 Current sensor Jun. 18, 2013
8421611 Trailer axle adjustment sensor and indication system and method Apr. 16, 2013
8400301 Window safety and security device Mar. 19, 2013
8314698 Anti-tamper assembly for surface mounted security switch Nov. 20, 2012
8314713 Method for monitoring the operation of a metal detection system and metal detection system Nov. 20, 2012
8299933 Display blanking controller for portable electronic device Oct. 30, 2012
8269627 Status monitoring system for a fenestration unit Sep. 18, 2012
8154404 Method and apparatus for detecting movement of a shipping container latch Apr. 10, 2012
8149118 Device and method for registering the opening of closures of spaces to be secured Apr. 3, 2012
8111157 Apparatus for detecting tampering with a latch mechanism Feb. 7, 2012
8112521 Method and system for security maintenance in a network Feb. 7, 2012
8094017 Electromagnetic lock monitoring system Jan. 10, 2012
8058998 Elongated twin feed line RFID antenna with distributed radiation perturbations Nov. 15, 2011
8009041 Access monitoring and control system and method Aug. 30, 2011
7999644 Switch Aug. 16, 2011
7948378 Tamperproof non-contact switch May. 24, 2011
7944334 Tamper-resistant alarm switch assembly May. 17, 2011
7825801 Security switch assemblies for shipping containers and the like Nov. 2, 2010
7796028 Circuitry, systems and methods for detecting magnetic fields Sep. 14, 2010
7764187 Anti-corrosion cathodic protection device with sacrificial anode Jul. 27, 2010
7722247 Anti-theft system for thermometer May. 25, 2010
7692542 Door position monitor Apr. 6, 2010
7667597 Method and apparatus using magnetic flux for container security Feb. 23, 2010
7667600 Methods and apparatus for security device removal detection Feb. 23, 2010
7663483 Methods and apparatus for security device portal sensing Feb. 16, 2010
7598862 Methods and apparatus for security device coupling Oct. 6, 2009
7564351 Theft deterrent device for use with sliding doors Jul. 21, 2009
7554445 Portable motion detector and alarm system and method Jun. 30, 2009
7518478 Mounting bracket for a security device Apr. 14, 2009
7474224 Patient monitor with magnetic disarming circuit Jan. 6, 2009
7463987 Magnetic sensing system and method Dec. 9, 2008
7463127 Magnetoresistive smart switch Dec. 9, 2008
7417543 Method and system for monitoring containers to maintain the security thereof Aug. 26, 2008
7414530 Monitoring circuit for a door Aug. 19, 2008
7388483 Monitoring status of railyard equipment using wireless sensing devices Jun. 17, 2008
7385505 Motion detecting system for alarm device Jun. 10, 2008
7369872 Mobile communication device for searching data based on rotation degree and a method thereof May. 6, 2008
7355515 Magnetic security device for securing doors Apr. 8, 2008
7321282 MEM's reed switch array Jan. 22, 2008
7312705 Security device with adjustable magnet location Dec. 25, 2007
7265672 Magnetic sensor for a double-hung window Sep. 4, 2007

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