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Class Information
Number: 340/552
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Intrusion detection > Disturbance of electromagnetic waves
Description: Subject matter responsive to the intruder disturbing electromagnetic waves.










Sub-classes under this class:

Class Number Class Name Patents
340/554 Doppler effect 176
340/555 Light 452
340/553 Standing waves 48


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

Patent Number Title Of Patent Date Issued
8712679 System and methods for obstacle mapping and navigation Apr. 29, 2014
8710979 Personal alarm device for headwear for proximity detection Apr. 29, 2014
8681005 RFID reader with motion detection Mar. 25, 2014
8629771 Proximity sensors Jan. 14, 2014
8629938 Multi-point television motion sensor system and method Jan. 14, 2014
8624734 Intruder identifying method, intruder identifying device and intruder identifying sensor device Jan. 7, 2014
8626471 Method and system for testing and calibrating an accelerometer of an electronic device Jan. 7, 2014
8593279 System for detecting persons in a defined space Nov. 26, 2013
8593250 Access control device Nov. 26, 2013
8552865 Self-test method for a microwave module Oct. 8, 2013
8552864 Intrusion detection system and intrusion detection apparatus Oct. 8, 2013
8542109 Foliage penetrating sensor array for intrusion detection Sep. 24, 2013
8542118 Presence detection system and method Sep. 24, 2013
8537009 Container security devices, systems, and method Sep. 17, 2013
8538596 Light timeout optimization Sep. 17, 2013
8519883 Adjusting the sensitivity of a PIR sensor or a doppler radar sensor disposed within a light fixture Aug. 27, 2013
8514075 Ultrasonic receiving circuit Aug. 20, 2013
8502729 Ultra-wideband radar sensors and networks Aug. 6, 2013
8461989 Smart container UWB sensor system for situational awareness of intrusion alarms Jun. 11, 2013
8456304 Perimeter security system Jun. 4, 2013
8432281 Portable boundary sensor system and method Apr. 30, 2013
8421622 Monitoring system for moving object Apr. 16, 2013
8410922 Motion sensor with ultrasonic modulation Apr. 2, 2013
8390449 Intrusion detection system and sensor device thereof Mar. 5, 2013
8378818 Device for detecting the passage of objects with a RFID label, method and system using such device Feb. 19, 2013
8368535 Intrusion detector Feb. 5, 2013
8368559 Network of traffic behavior-monitoring unattended ground sensors (NeTBUGS) Feb. 5, 2013
8354936 Capacitive passenger detector for vehicle Jan. 15, 2013
8354848 Obstacle detecting system and obstacle detecting device Jan. 15, 2013
8344885 Container with interior enclosure of composite material having embedded security element Jan. 1, 2013
8334771 Home network, area network using the same, program for computer to execute operation in home network, and computer-readable recording medium storing the program Dec. 18, 2012
8330600 Cold noise source system Dec. 11, 2012
8319649 Insect electrocution device with counter Nov. 27, 2012
8314714 Method and device for manual triggering Nov. 20, 2012
8280302 Communication device and method, and program Oct. 2, 2012
8269640 Odor-generating alarm apparatus Sep. 18, 2012
8237555 Hazardous vehicle alert system and method based on reaction time, distance and speed Aug. 7, 2012
8232909 Doppler radar motion detector for an outdoor light fixture Jul. 31, 2012
8199010 Method and apparatus for configuring a wireless sensor Jun. 12, 2012
8199012 Microwave curtain sensor Jun. 12, 2012
8190286 Machine tool monitoring device May. 29, 2012
8169356 Anti-mask motion sensor May. 1, 2012
8164509 System and method for radiating RF waveforms using discontinues associated with a utility transmission line Apr. 24, 2012
8164437 Detection apparatus Apr. 24, 2012
8159344 Microwave motion detectors utilizing multi-frequency ranging and target angle detection Apr. 17, 2012
8138918 Intrusion detection and tracking system Mar. 20, 2012
8111158 Intrusion detection system Feb. 7, 2012
8098157 Intruder deterrent lighting Jan. 17, 2012
8094017 Electromagnetic lock monitoring system Jan. 10, 2012
8081216 Lighting control system and method Dec. 20, 2011

1 2 3 4 5 6 7 8 9










 
 
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