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특허 상세정보

Electronic circuitry for timing and delay circuits

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F42D-010/55   
미국특허분류(USC) 102/215 ; 102/218 ; 102/210 ; 307/141.4 ; 307/141.8
출원번호 US-0879162 (1997-06-19)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Law Office of Victor E. LibertSpaeth
인용정보 피인용 횟수 : 32  인용 특허 : 75
초록

An electronic delay circuit (10) useful for the delayed initiation of detonators illustrates several novel features that may be combined, including a novel oscillator (34), a programmable timer circuit (32) and a run control circuit (46). The oscillator (34) generates a clock signal determined by the rate of discharge of a capacitor (34a) relative to a reference voltage REF. A second capacitor (34b) is charged to a voltage that exceeds REF, and when the first capacitor (34a) falls below REF, an internal signal is generated and the capacitors are switched...

대표
청구항

[ What is claimed is:] [9.] A lock-out electronic timer circuit, powered by a power supply, for issuing a timer circuit output signal after the expiration of a programmed time delay following the receipt of an electrical initiation signal, the timer circuit comprising:(a) an oscillator circuit which is responsive to a RESET ST(b) a ripple counter configured to count reference clock pulses and to produce the timer output signal when a predetermined count is reached;(c) a clock gate through which the ripple counter receives the reference clock pulses when ...

이 특허에 인용된 특허 (75)

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이 특허를 인용한 특허 피인용횟수: 32

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  2. Stewart, Roger Green. Accurate persistent nodes. USP2013038400274.
  3. Stewart, Roger Green. Accurate persistent nodes. USP2016069367794.
  4. Edwards, Eric E.; Laverty, Charles D.. Apparatus and method for memory cell power-up sequence. USP2010087782702.
  5. Zheng, Liang-An; Cheng, Pu-Jen; Chen, Shinn-Horng. Automatic hold time fixing circuit unit. USP2011017876127.
  6. Duniam, Peter J; McCallum, Peter J; Birney, William H; Spiessens, Rudy W; West, Vernon; Patz, Vivian E. Blasting arrangement. USP2003116644202.
  7. Perez Cordova, Pio Francisco; Trejo Maguina, Juan Carlos. Detonator system with high precision delay. USP2012098261663.
  8. DeVries, Derek R.; Madsen, Brent D.; Peterson, Eldon C.; Jackson, Donald L.; Thorup, William W.. Distributed ordnance system, multiple stage ordnance system, and related methods. USP2015099127918.
  9. Patti Robert S.. Dual capacitor oscillator circuit. USP2001076268775.
  10. Troianello Anthony E.. Electro-pyrotechnic initiator. USP2001126324979.
  11. Sakamoto Midori,JPX ; Nishi Masaaki,JPX ; Kurogi Kazuhiro,JPX. Electronic delay detonator. USP2000076082265.
  12. Nance, Christopher J.; Segal, John P.. Energetic material initiation device. USP2013078485097.
  13. Bishop, Trevor Ross. Firing head actuator for a well perforating system and method for use of same. USP2015038991496.
  14. DeVries, Derek R.; Madsen, Brent D.; Peterson, Eldon C.; Jackson, Donald L.; Thorup, William W.; Lusk, Scott K.. High voltage firing unit, ordnance system, and method of operating same. USP2015089115970.
  15. McKinley, Paul; Martinez, Phillip. Integrated electric match initiator module with isolated lift and burst function for a pyrotechnic device. USP2014098820243.
  16. Lobert, Jonathan Paul; Schneider, Scott David. Light. USP2009077557536.
  17. Rastegar, Jahangir S.; Pereira, Carlos M.; Dratler, Richard. Method for detonating an unexploded munition. USP2014098820209.
  18. Rastegar, Jahangir S.; Pereira, Carlos M.; Dratler, Richard. Munition having detonation time-out circuitry. USP2014018635956.
  19. Boucher,Craig J.; Marshall,Paul N.; Novotney,David B.. Ordinance firing system for land vehicle. USP2007107278658.
  20. Boucher, Craig J.; Marshall, Paul N.; Novotney, David B.. Ordnance firing system. USP2003076584907.
  21. Boucher, Craig J.; Marshall, Paul N.; Novotney, David B.. Ordnance firing system. USP2005056889610.
  22. Reynolds, Richard K.; Nance, Christopher J.; Cunningham, Andrew F.. Plastic encapsulated energetic material initiation device. USP2010077748322.
  23. Reynolds, Richard K.; Nance, Christopher J.; Cunningham, Andrew F.. Plastic encapsulated energetic material initiation device. USP2012068196512.
  24. Furuhashi Naoki,JPX ; Yamaguchi Shuuji,JPX. Power supply circuit utilizing a piezoelectric transformer that supplies power to a load whose impedance varies depending on temperature. USP2000116151232.
  25. Bossarte, George; Dillon, Glenn W.; McKinley, Paul R.; Haase, Wayne C.; Nelson, Larry G.. Precision pyrotechnic display system and method having increased safety and timing accuracy. USP2009117617777.
  26. Bossarte, George; McKinley, Paul R.. Precision pyrotechnic display system and method having increased safety and timing accuracy. USP2016079400159.
  27. Bossarte, George; McKinley, Paul R.. Precision pyrotechnic display system and method having increased safety and timing accuracy. USP2013088516963.
  28. Bossarte,George; Dillon,Glenn W.; McKinley,Paul R.; Haase,Wayne C.; Nelson,Larry G.. Precision pyrotechnic display system and method having increased safety and timing accuracy. USP2007037194959.
  29. Marquis, Eugene E.. Proximity submunition fuze safety logic. USP2003106629498.
  30. Ciccone John C. ; Yup Bing L.. Standard cell power-on-reset circuit. USP2001016173436.
  31. Eddy, Christopher L.; Singhal, Rajeev N.. System for the initiation of rounds of individually delayed detonators. USP2003096618237.
  32. Fogle, Jr., Homer W.. Vehicle occupant safety apparatus with restraint communication bus and transformer connections. USP2003056565119.

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