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특허 상세정보

Alarm system

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B60R-025/10    B60Q-001/00   
미국특허분류(USC) 340/426 ; 340/435 ; 340/436 ; 340/541
출원번호 US-0161199 (1988-02-24)
발명자 / 주소
인용정보 피인용 횟수 : 16  인용 특허 : 27
초록

An alarm system monitors a region, and includes a transducer supported to aim toward a boundary of the region. The transducer transmits sonic waves and receives echoes. The system generates an initial value corresponding to the distance between the transducer and a boundary of the region at one time, and activates the transducer at a later time to generate a current value corresponding to the distance between the transducer and a location from which the echoes originate. A control compares the current value to the initial value and activates an alarm whe...

대표
청구항

An alarm system for detecting movement of a vehicle upwardly from a surface supporting said vehicle, said alarm system comprising: transducer means, facing downwardly toward said surface, for transmitting a sonic wave toward and receiving an echo from said surface; an alarm; electronic means for activating said transducer means to transmit a sonic wave and receive an echo and thereby determine a parameter indicative of a reference distance from said transducer means to said support surface; and means for periodically activating said transducer means and ...

이 특허에 인용된 특허 (27)

  1. Carver Donald W. (Knoxville TN) Whittaker Jerry W. (Knoxville TN). Acoustic emission intrusion detector. USP1980044196423.
  2. Uffelman Malcolm R. (1808 Horseback Trail Vienna VA 22180). Acoustically coupled burglar alarm system. USP1976083973250.
  3. McCormick Richard E. (Tempe AZ) Schneider Alfred (Cedar Rapids IA). Alarm system responsive to the breaking of glass. USP1979014134109.
  4. Meyer Michael M. (1037D Shary Cir. Concord CA 94518). Alarm system with acoustically coupled transmitters and receiver. USP1980064207559.
  5. Morris James C. (Wakefield MA) Garrison Robert L. (Henniker NH). Audio-detector alarm. USP1979104170769.
  6. Owens John Murry (Edinburgh SC). Detecting damage to bulk material. USP1977104054867.
  7. Grinneiser Raymond (Nice FRX). Infra-sonic detector, and alarms including same. USP1986044586031.
  8. Bouchard Andre C. (Peabody MA) Morris James C. (Wakefield MA) Garrison Robert L. (Henniker NH). Intrusion alarm system. USP1980034191947.
  9. Salem Robert J. (Danbury CT). Intrusion detection method and apparatus. USP1980124242743.
  10. Riley ; Jr. Robert E. (Jackson MI) McArthur Barrie (Canton MI). Intrusion detector system. USP1979084166273.
  11. Davenport Raymond J. (Potton GB2) Tomlinson Michael A. (Newport Pagnell GB2). Method and apparatus for discriminating sounds due to the breakage or glass. USP1987054668941.
  12. Bystricky Gustav (Oberdrnten CHX). Method and apparatus for intrusion detection by using sonic receivers. USP1981094290058.
  13. Zetting Alois (Herrliberg CHX) Kpfli Markus (Wil-St. Gallen CHX). Method and apparatus for monitoring sound-conducting media. USP1980094225859.
  14. Spirig ; Ernst. Method of and apparatus for detecting damage to a frangible object. USP1978024072936.
  15. Kaminishi Tokishi (Inuyama JPX). Microvibration detector using a single piezoelectric element as both sensor and alarm generator. USP1984094470040.
  16. Edwards Carson P. (Boulder CO) Huisjen Martin A. (Boulder CO) Munson Robert E. (Boulder CO). Microwave/seismic security system. USP1987084684929.
  17. Leverance Robert A. (College Park MD) Longas Socrates A. (Glenndale MD). Near ultrasonic pattern comparison intrusion detector. USP1987014639902.
  18. Schmitz Lawrence S. (Pittsburgh PA). Noise generator circuit for a security system. USP1977124064507.
  19. Shepherd ; Jr. ; Mark. Protective alarm system for window using reflected microwave energy. USP1978054092636.
  20. Spirig Ernst (P.O. Box 160 ; Speerstrasse 14 CH-8640 Rapperswil CHX). Regenerative feedback intruder alarm apparatus. USP1981044263584.
  21. Meyer Gnther (Uetersen DEX). Security alarm system monitoring difference between sound signal components in two frequency ranges. USP1981124306228.
  22. Braunling Russell D. (Eden Prairie MN) Kurschner Dennis L. (Minnetonka MN). Seismic intruder detection using pressure waves. USP1984084468763.
  23. Gotanda Motohiro (1802-10 ; Nakabyo Abiko-shi ; Chiba-ken JPX). Signaling device for preventing automobile theft. USP1986044580125.
  24. Gagnon David G. (Warren MI). Sonic detector having digital sampling circuit. USP1986124633234.
  25. Golbe Alvin V. (311 Lantana Ave. Englewood NJ 07631). Sound activated alarm system. USP1977014001805.
  26. Crist Scott D. (Minnetonka MN). Ultrasonic line sensor. USP1983114414652.
  27. Frederick Richard M. (Minneapolis MN). Vibratory and ultrasonic fence intruder detection system. USP1980064209776.

이 특허를 인용한 특허 피인용횟수: 16

  1. Steinhauser Louis P. (2448 Cripple Creek St. Louis MO 63129). Alarm system for boat covers and automobile convertible tops. USP1997115686909.
  2. Morris,Steven E.. Automatic cargo compartment lighting reactivation system. USP2006027005804.
  3. Dirmeyer Josef,DEX ; Probst Heinrich,DEX ; Bauer Peter,DEX ; Gruber Robert,DEX ; Mader Gerhard,DEX ; Frimberger Manfred,DEX ; Pfau Lorenz,DEX. Control unit with an air pressure detector for a vehicle passenger protection system. USP1998055748075.
  4. Van Wiemeersch, John Robert; Wojcik, Karl William. Detecting vehicle door ajar using intrusion sensor. USP2015129199606.
  5. Cecic Dennis,CAX ; Fong Hartwell,CAX. Detection of glass breakage. USP1998115831528.
  6. Ries-Mueller, Klaus. Device for protecting a motor vehicle against theft. USP2005026856044.
  7. Kani Hiroyuki,JPX ; Goto Masahiro,JPX ; Hayashi Ikuo,JPX ; Tsuzuki Takeo,JPX. Intrusion detecting apparatus for a vehicle. USP1999015856778.
  8. S첩rensen,John Erik Aasted. Method of and a system for surveillance of an environment utilising electromagnetic waves. USP2006087088236.
  9. Grasmann Ullrich (Dusseldorf DEX) Bollerott Michael (Essen DEX) Bresser Bertram (Dillingen/Diefflen DEX) Obergriesser Frank (Spiesen DEX). Method of monitoring a vehicle interior. USP1997015598141.
  10. Grasmann Ullrich,DEX ; Bollerott Michael,DEX ; Bresser Bertram,DEX ; Obergriesser Frank,DEX. Method of monitoring a vehicle interior. USP1998035729193.
  11. Hojo, Masayuki; Omuro, Yoshiya. Saddle riding vehicle. USP2014028648701.
  12. Yu Wei Kong. Seat sensor operating safety system for a motor vehicle. USP1999085939795.
  13. Brian Rodney Howell AU. Ultrasound surveillance and break-in alarm. USP2002106457364.
  14. Patel, Anilkumar. Vehicle opening monitoring device. USP2016099440618.
  15. Montague Albert. Vehicle/aircraft security system based on vehicle displacement profile, with optional GPS/cellular discrimination indica. USP1999075929753.
  16. Montague, Albert. Vehicle/aircraft security system based on vehicle displacement profile, with optional GPS/cellular discrimination indicator. USP200401RE38378.