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Supervised wireless security system

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G08B-001/08
출원번호 US-0429116 (1982-09-30)
발명자 / 주소
  • Abel William E. (Portland OR)
출원인 / 주소
  • Sentrol, Inc. (Portland OR 02)
인용정보 피인용 횟수 : 39  인용 특허 : 9

초록

Apparatus and method for communication by use of a single FM radio frequency, from a plurality of transmitters to a central receiver in a security alarm system or similar system. A transmitter\s radio frequency signal is modulated in wide frequency swings to transmit digitally encoded address, subad

대표청구항

A transmitter for use in a wireless security monitoring system, comprising; (a) a radio frequency oscillator having an actual frequency within a predetermined frequency range of a first predetermined frequency; (b) encoder means for producing a pulse train including digitally coded address and senso

이 특허에 인용된 특허 (9)

  1. Anderson Arthur Ernest (Franklin PA), Battery operated transmitter circuit.
  2. Shaughnessy ; Frank J., Coded electronic security system.
  3. Stockdale Roy (Huntington NY), Digital transmission apparatus particularly adapted for security systems.
  4. Pappas ; Dennis Gerasimos, Fire detection system.
  5. Holland John M. (Shawsville VA), Radio central station alarm system.
  6. Davis ; Glenn A., Radio frequency alarm system including transmitting, coding and decoding circuitry.
  7. Davis Manfred (Riverdale NY), Supervised loop alarm radio transmitter system.
  8. Shaughnessy Frank J. (Hartford CT), Transmitter for a coded electronic security system.
  9. Lee Maw H. (Broadview Heights OH) Keim John E. (Lodi OH), Wireless alarm system.

이 특허를 인용한 특허 (39)

  1. Derrick, David; Derrick, Bruce G., Alarm and alarm management system for remote tracking devices.
  2. Rasmussen,John Olav, Alarm chip and use of the alarm chip.
  3. Addy Kenneth L., Alarm communications system with independent supervision signal analysis.
  4. Addy Kenneth L., Alarm communications system with supervision signal RSSI analysis.
  5. Stahl John I. (Coral Springs FL) Fischel Burton J. (Plantation FL) Will Frank J. (Sunrise FL), Alarm system having alarm transmitter indentification codes and acoustic ranging.
  6. Kreichauf, Ruth D.; Curtner, Keith L., Chemical or biological attack detection and mitigation system.
  7. Kelly ; Jr. Lawrence R. (21 Harvard Ct. Rockville MD 20850), Communication system especially useful as an incident location reporting security system.
  8. Rietkerk Anthony J., Computer asset protection apparatus and method.
  9. Maram Morris (135 President Street Johannesburg 2001 ZAX), Detector units.
  10. Hanft Herbert (3609 Cameron Mills Rd. Alexandria VA 22305), Door alarm.
  11. Berglund Victor P. (McKinney TX) Jaffe Richard R. (Dallas TX), Dual power security location system.
  12. Bradshaw Leroy (Hamilton CAX) Henson John B. (Thornhill CAX) Waterhouse Paul I. (Lynden CAX), Electronic alarm apparatus.
  13. Hartmann Jon P. (Santa Ana CA) Glasener Ted W. (Orange CA), Extended RF range alarm system.
  14. Fitzgerald Brendan T. ; Powshok Andrew T. ; Belcher Donald K. ; White Jeffrey R. ; Darby ; Jr. Albert D. ; Nelson Rodney, Low cost wide area network for data communication using outbound message specifying inbound message time and frequency.
  15. Copeland, Miles A.; Voinigescu, Sorin Petre; Marchesan, David, Method and apparatus for performing image signal rejection.
  16. Pearman A. Noel J., Method and apparatus for protecting building personnel during chemical or biological attack.
  17. Krafthefer, Brian C., Method and apparatus for protecting buildings from contamination during chemical or biological attack.
  18. Addy Kenneth L., Method and system for analyzing received signal strength.
  19. Louis H. M. Jandrell, Method and system for radio-location determination.
  20. Ruth D. Kreichauf, Method of providing safe haven within buildings during chemical or biological attack.
  21. Severson Paul K. (Richfield MN), Micro-programmable security system.
  22. Kriz,Jeffrey J., Multi tier wireless communication system.
  23. Joseph R. Goetz, Portable wireless cellular fire alarm system apparatus and method.
  24. Xydis Thomas G. (Ann Arbor MI), RF data communication link for wireless audible indication system.
  25. Derrick, Bruce; McNab, David S.; Larson, Stephen N. D.; Robidoux, Gerard E.; Davidson, B. Kent; Boutet, Patrick Y. D.; Langlois, Jean-Sebastien; Kalhok, David J.; Walker, Scott S., Remote tracking and communication device.
  26. Derrick, Bruce; McNab, David S.; Larson, Stephen N. D.; Robidoux, Gerard E.; Davidson, B. Kent; Boutet, Patrick Y. D.; Langlois, Jean-Sebastien; Kalhok, David J.; Walker, Scott S., Remote tracking and communication device.
  27. Derrick, David; Derrick, Bruce, Remote tracking device and a system and method for two-way voice communication between the device and a monitoring center.
  28. Hogan Dennis R. (310-7th Snohomish WA 98290) Wright John K. (1695 Arthur North Bend OR 97459), Security and fire protection system.
  29. Alexander Thomas T. (Columbus OH), Security apparatus and system.
  30. Sheffer Eliezer A. (Long Island NY), Supervised, interactive alarm reporting system.
  31. Sheffer Eliezer A. (Long Island NY), Supervised, interactive alarm reporting system.
  32. Derrick, David; Derrick, Bruce; Horrocks, Scott, System and method for monitoring individuals using a beacon and intelligent remote tracking device.
  33. Fitzgerald Brendan T. (Indialantic FL) Powshok Andrew T. (Indian Harbour Beach FL) Belcher Donald K. (Rogersville TN) White Jeffrey R. (Melbourne Village FL) Darby ; Jr. Albert D. (Valkaria FL) Nelso, Technique for determining propagating and clear frequency to be used in wide area wireless data communications network.
  34. Oliphant, P. Christian; Derrick, Bruce G., Tracking device incorporating cuff with cut resistant materials.
  35. Roper, Clark L.; Cummins, Laurie H.; Volpi, John P.; Hastings, III, John L., Tracking device incorporating enhanced security mounting strap.
  36. Xydis Thomas G. (Ann Arbor MI), Wireless audible indication system with battery status indicator.
  37. Xydis Thomas G. (Ann Arbor MI), Wireless audible indication system with low power signal processing.
  38. Xydis Thomas G. (Ann Arbor MI), Wireless audible indications system.
  39. Thomas, Keith A.; Kearns, Timothy A.; Davis, Bruce R., Wireless gauge alert.
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