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Class Information
Number: 342/28
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Presence detection only > By motion detection
Description: Subject matter wherein the presence of a target is detected by sensing target movement.










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

Patent Number Title Of Patent Date Issued
4540978 Bistatic pulse-overlap Doppler radar intrusion detection apparatus Sep. 10, 1985
4536752 Intrusion detection system and method Aug. 20, 1985
4527151 Method and apparatus for intrusion detection Jul. 2, 1985
4495499 Integrated oscillator-duplexer-mixer Jan. 22, 1985
4443796 Doppler radar Apr. 17, 1984
4435699 Process and installation for the remote control of a premises watch radar apparatus Mar. 6, 1984
4433328 Motion sensing energy controller Feb. 21, 1984
4405925 Microwave transceiver, particularly for a doppler radar system Sep. 20, 1983
4360905 Intrusion alarm system for use with two-wire-cable Nov. 23, 1982
4358759 Microwave movement detector Nov. 9, 1982
4328487 Intrusion detector system May. 4, 1982
4322722 Pulsed microwave motion sensor for intrusion detection applications Mar. 30, 1982
4319349 Ultrasonic intrusion detection system Mar. 9, 1982
4313118 Microwave proximity sensor Jan. 26, 1982
4310842 Pulsed Doppler radar system Jan. 12, 1982
4295131 Low consumption pulses doppler effect intrusion sensor Oct. 13, 1981
4287579 Moving object detecting device Sep. 1, 1981
4286260 Ranging quadrature doppler microwave intrusion alarm system Aug. 25, 1981
4275390 Burglar alarm device Jun. 23, 1981
4243979 Burglar alarm security circuit arrangement Jan. 6, 1981
4225858 Doppler intrusion detector with dual phase processing Sep. 30, 1980
4215341 Intrusion or movement detector Jul. 29, 1980
4210912 Pulsed doppler moving target detector Jul. 1, 1980
RE30288 Intrusion detection system May. 27, 1980
4201982 Four wire multi-satellite intrusion alarm with multiplex annunciation May. 6, 1980
4198618 Circuit arrangement for ultrasonic burglar security systems operating in accordance with the Doppler principle Apr. 15, 1980
4197528 Movement-detecting processing circuit for an ultrasonic detection system Apr. 8, 1980
4195289 Microwave intrusion or movement detectors Mar. 25, 1980
4193055 Automatic sensitivity level adjustment Mar. 11, 1980
4187501 Electronic intruder detection system Feb. 5, 1980
4157549 Doppler radar module Jun. 5, 1979
4142187 Dual frequency alarm device using Doppler effect for sensing a moving object Feb. 27, 1979
4138674 Four wire multi-satellite intrusion alarm control system with tamper switch Feb. 6, 1979
4129856 Filter system and method for intrusion alarm Dec. 12, 1978
4117464 Microwave motion-detection apparatus employing a Gunn oscillator in a self-detecting mode Sep. 26, 1978
4114146 Ultrasonic wave watching device of moving object detecting type Sep. 12, 1978
4107659 Intrusion alarm system with improved air turbulence compensation Aug. 15, 1978
4101875 Multi-satellite intrusion alarm control system Jul. 18, 1978
4097853 Means for distinguishing motion from noise in an intrusion alarm system Jun. 27, 1978
4090195 Anti-burglar mini-radar May. 16, 1978
4083049 Moving target radar Apr. 4, 1978
4080594 Doppler shift actuator and intrusion systems Mar. 21, 1978
4079375 Radar, in particular for watching over premises Mar. 14, 1978
4054871 Electromagnetic intrusion sensor Oct. 18, 1977
4053897 Microwave element including source antenna and cavity portions Oct. 11, 1977
4051472 Large area motion sensor using pseudo-random coding technique Sep. 27, 1977
4042934 Doppler radar module employing coupled rectangular waveguides Aug. 16, 1977
4012730 Doppler detection device with integrator sampling means to inhibit false alarms Mar. 15, 1977
4009476 Apparatus for automatically controlling door operation Feb. 22, 1977
4003045 Intrusion detection systems with turbulence discrimination Jan. 11, 1977

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