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Large area motion sensor 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01S-009/42
출원번호 US-0509571 (1974-09-26)
발명자 / 주소
  • Clark Robert V. (Washington DC) Linder Francis X. (Landover MD) McCreary Terrance J. (Gaithersburg MD) Taylor William R. (Olney MD)
출원인 / 주소
  • Automation Industries, Inc. (Silver Spring MD 02)
인용정보 피인용 횟수 : 39  인용 특허 : 0

초록

An intrusion detector operating with electromagnetic sensors to detect intruder motion within large, defined areas is disclosed. The system provides an acceptably low false alarm rate by means of range discrimination whereby moving objects outside the protected area do not affect the system and by i

대표청구항

A motion sensor for detecting intruder motion within a protected area and for discriminating against motion outside the protected area, comprising: transceiver means including means for transmitting frequency modulated continuous wave signals in a pattern to cover said protected area, said transmitt

이 특허를 인용한 특허 (39)

  1. Traxler Norbert (Prior Lake MN), Adjustable zone security system.
  2. Wu, Xiaodong; Helland, James N.; Green, Leslie K., Anti-mask motion sensor.
  3. Okada Kozo (Kanagawa JPX), Apparatus for measuring pulse compression ratio.
  4. Buscher David J. (Silver Spring MD) Schneider Marvin J. (Adelphi MD), Binary integrator for fixed cell radar alarm data.
  5. Magori Valentin (Munich DEX), Circuit arrangement of an ultrasonic-presence motion detector, particularly for a non-contact control of a water faucet.
  6. Collins John D. (Burlington MA), Continuous wave radar with ranging capability.
  7. Aldred,Ian Richard, Detector device.
  8. Aldred,Ian Richard, Detector device.
  9. Achard Serge (Marly-Le-Roi FRX), Dual sensitivity intrusion detection system.
  10. Pidgeon Brian G. (Burton-on-Trent GB2) Bavington Clive R. (Burton-on-Trent GB2), Electromagnetic position detector employing fast fourier transform analysis.
  11. Krubiner, Dani; Strauss, Bar; Yagoda, Eyal, Filtering method and circuit particularly useful in doppler motion sensor devices and intrusion detector systems.
  12. Smith, Richard A., Glass-break detector and method of alarm discrimination.
  13. Buckley Norman Ian (Blackburn EN) Wilson Edward (Blackburn EN), Intruder detection device.
  14. Follen Robert J. (Minneapolis MN) Thue Baard H. (Circle Pines MN), Intruder detection system.
  15. Kelley Eric D., Location method and system for detecting movement within a building.
  16. Byrne George C. (Los Altos CA), Method and apparatus for intrusion detection.
  17. Zetting Alois (Herrliberg CHX) Kopfli Markus (Wil-St. Gallen both of CHX), Method and apparatus for monitoring sound-conducting media.
  18. Zetting Alois (Herrliberg CHX) Kpfli Markus (Wil-St. Gallen CHX), Method and apparatus for monitoring sound-conducting media.
  19. Garreau,Dominique; Fernandez,Thierry, Method and device for analyzing a network of conductors.
  20. Dickinson Alexander G. (Neptune NJ) Salata Jack E. (Metuchen NJ), Method and system for camera with motion detection.
  21. Eskildsen, Kenneth G., Method and system for detecting a predetermined sound event such as the sound of breaking glass.
  22. Calvarese Russell (Stony Brook NY), Microwave sensor with adjustable sampling frequency based on environmental conditions.
  23. Wu, Xiaodong; Holvick, Harold L.; Green, Leslie K.; Helland, James N., Microwave smart motion sensor for security applications.
  24. Gibson William J. (Feltham GB2), Movement-detecting processing circuit for an ultrasonic detection system.
  25. Stove Andrew G. (Reigate GB2) Vincent Richard P. (Horsham GB2), Moving target indication system.
  26. Myron, Douglas D.; Fowler, John J.; O'brien, Dennis M., Multi-dimensional vector-based occupancy sensor and method of operating same.
  27. Douglas D. Myron ; Vadim A. Konradi ; Bruce G. Williams ; John J. Fowler ; Timothy W. Woytek ; Jonathan D. Williams ; Gerard L. Cullen, Occupancy sensor and method of operating same.
  28. Fowler John J., Occupancy sensor and method of operating same.
  29. Myron Douglas D. (Austin TX) Williams Errol R. (Round Rock TX) Hardin Charles C. (Austin TX) Woytek Timothy W. (Austin TX) Stephens Michael A. (Austin TX), Occupancy sensor and method of operating same.
  30. Sirai Sirou (Fukushima JPX), Pattern comparison ultrasonic surveillance system with noise suppression.
  31. Wong Andrew C. (Harlow GB2), Radar or sonar detection system.
  32. Clark ; Robert V. ; Linder ; Francis X. ; Taylor ; William R., Range limited area protection system.
  33. Nakauchi, Shunsaku, Surveillance system in which a reflected signal pattern is compared to a reference pattern.
  34. Cribbs Robert W. (Placerville CA) Lamb Billy L. (Sacramento CA) DeLacy Thomas J. (Los Altos CA), Swept frequency radar system employing phaseless averaging.
  35. Royer, Gregory, System and method for improving microwave detector performance using ranging microwave function.
  36. Cataldo Thomas J. (Commack NY), Two-port synthetic aperature radar system for radar detection of targets.
  37. Vidovic Nikola (Santa Clara CA), Ultrasonic intrusion alarm system.
  38. Hersey, Stephen, Ultrasonic motion detection.
  39. Hersey, Stephen, Visual indication of target tracking.
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