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특허 상세정보

Switch card apparatus and methods

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01V-001/06    G01V-001/02   
미국특허분류(USC) 361/247
출원번호 US-0975858 (2004-10-28)
등록번호 US-7286333 (2007-10-23)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Lee & Hayes, PLLC
인용정보 피인용 횟수 : 2  인용 특허 : 17
초록

Switch card apparatus are disclosed. In one embodiment, a circuit includes a first portion having a first switch adapted to be coupled to a first voltage, a second portion including a second switch, and a third portion including a third switch. The first portion activates the first switch to couple the first voltage to the second portion. Similarly, the second portion activates the second switch in response to a second input signal and the first voltage to couple a second voltage to the third portion. Finally, the third portion activates the third switc...

대표
청구항

What is claimed is: 1. An apparatus comprising: an arming and firing circuit for applying a control voltage to a load, the arming and firing circuit comprising: a first portion including a first switch configured to be coupled to a first voltage; a second portion operatively coupled to the first portion and including a second switch; and a third portion operatively coupled to the second portion and configured to be coupled to the load, the third portion including a third switch; wherein the first portion is configured to receive a first input signal an...

이 특허에 인용된 특허 (17)

  1. Winick, Bradley D.; Smith, Robert B.. Active circuit protection for switched power supply system. USP2003076600239.
  2. Kaiser Hans (Konigsfeld DT) Kopf Arthur (Schramberg-Sulgen DT). Electrical primer for projectiles. USP1976063964395.
  3. Proctor, Paul W.; Dow, Robert L.. Electromagnetic and electrostatic insensitive blasting caps, squibs and detonators. USP1983044378738.
  4. Aikou Kenichi (Tokyo JPX) Suzuki Eiichi (Nobeoka JPX) Goto Tugio (Nobeoka JPX). Electronic delay circuit for firing ignition element. USP1994115363765.
  5. Kane ; III James P.. Electronic safe arm and fire device. USP2001106295932.
  6. Boucher Craig J. (Simsbury CT). Electronic safe/arm device. USP1995125476044.
  7. Crist Scott D. ; Ceola Kenneth D.. Electrostatic arming apparatus for an explosive projectile. USP2001036196130.
  8. Willis Scott C. ; Jones Mark J.. Fault tolerant MOSFET driver. USP1998085796274.
  9. Smith, Gregory H.; Wheeler, David M.. Ignition isolating interrupt circuit. USP2004056729240.
  10. Foresman Ralph E. (Mesa AZ) Harries Kerry J. (Mesa AZ). In-line safing and arming apparatus. USP1987034651646.
  11. Schneider John R.. Majority voted optical power switch. USP1998055753927.
  12. Templeman Douglas D. (Riverside CA) Weiss Melvyn (Thousand Oaks CA). Majority voted two fault tolerant power switch. USP1996035498912.
  13. Kurokawa Koichi (Chita JPX) Ueda Takeo (Chita JPX) Osumi Yoshiro (Chita JPX). Method of electrically blasting a plurality of detonators and electric blasting apparatus for use in said method. USP1989074848232.
  14. Boucher, Craig J.; Marshall, Paul N.; Novotney, David B.. Ordnance firing system. USP2003076584907.
  15. Lefranc AndrR. J. (Voisins le Bretonneux FRX). Proximity fuse for an artillery projectile of the type having reduced aerodynamic resistance of the base. USP1988024726291.
  16. Heinemeyer Friedrich (Siegburg DEX) Nass Winfried (Troisdorf DEX). Safety circuit for electric detonator element. USP1988094769734.
  17. Smith Gregory H. ; Clark Roland D.. Universal driver circuit for actuating both valves and ordnances. USP2001076267326.