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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Delay circuit for electric blasting, detonating primer having delay circuit and system for electrically blasting detonat

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F42C-011/06    F42D-001/06   
미국특허분류(USC) 102/206 ; 102/200 ; 102/217
출원번호 US-0097834 (1987-09-17)
우선권정보 JP-0224946 (1986-09-25); JP-0224947 (1986-09-25); JP-0308911 (1986-12-26)
발명자 / 주소
  • Ochi Koji (Iwamizawa JPX) Harada Masahide (Sapporo JPX)
출원인 / 주소
  • Nippon Oil and Fats Co., Ltd. (both of JPX 03) Harada Electronics Industry (both of JPX 03)
인용정보 피인용 횟수 : 37  인용 특허 : 7
초록
▼

A delay type electric detonating primer for use in a multiple-step blasting system including a capacitor for storing electric changes supplied from an electric blaster via bus wires and leg wires, an actuation circuit connected across the capacitor for generating an actuation signal when an energy supply from the electric blaster is stopped, a clock pulse generating circuit having a crystal oscillator and being energized with energy stored in the capacitor to produce clock pulses, a counting circuit which is initiated to count the clock pulses in respons...

대표
청구항
▼

A delay circuit for use in electric blasting comprising: a capacitor for storing electric energy supplied from an energy supply source; an actuation circuit for detecting a stop of the supply of said electric energy from the energy supply source and for generating an actuation signal in response thereto; a clock pulse generating cirucit energized with energy stored in said capacitor for generating clock pulses; a counting circuit for initiating a counting of said clock pulses in response to said actuation signal and generating an ignition signal upon cou...

이 특허에 인용된 특허 (7)

  1. Kirby Ian J. (Warrington GB2) Mitchell Michael I. (Chester GB2) Stratton Andrew (Farnborough GB2), Apparatus & method for selectively activating plural electrical loads at predetermined relative times.
  2. de Mere Henri Edouard Courier (Paris FR), Control circuit for the conduction of an electronic switch.
  3. Hedberg John B. G. (Goteborg SEX) Westerlund Nils A. L. (Boliden SEX), Electric detonator cap.
  4. Oswald Gerald L. (New Ringgold PA), Electronic delay blasting circuit.
  5. Ueda Takeo (Aichi JPX) Ohsumi Yoshiro (Aichi JPX), Method and apparatus for electrically detonating blasting primers.
  6. Nakano Masashi (Aichi JPX) Ueda Takeo (Aichi JPX), Remote blasting system for effecting multiple-step explosion and switching unit for use in this system.
  7. Zuk Borys (Somerville NJ), Timing circuit.

이 특허를 인용한 특허 (37)

  1. Sansolo, Arie, Actuator apparatus.
  2. Danner, Dale R.; Matteson, David O., Actuator assembly.
  3. Danner, Dale R.; Matteson, David O., Actuator assembly.
  4. Danner,Dale R.; Matteson,David O., Actuator assembly.
  5. Nair, Nanda Kumar J., Auto logging of electronic detonators.
  6. Teowee, Gimtong; Kouznetsov, Alex A., Constant-current, rail-voltage regulated charging electronic detonator.
  7. Ochi Koji (Iwamizawa JPX) Harada Masahide (Sapporo JPX) Kobayashi Kunio (Takasaki JPX), Delay circuit for use in electric blasting system.
  8. Schlenter, Craig Charles, Dentonator cross-talk reduction.
  9. Snyder Richard N. (8 Kristen Rd. Garrisonville VA 22463) Rainwater Percy R. (10031 Old Colchester Rd. Lorton VA 22079), Electric/non-electric initiation system.
  10. McLean, Stephen James; Searle, Gary John, Electrical pulse splitter for an explosives system.
  11. Taylor Paul A. (Heston GB2), Electrical timing arrangements and methods.
  12. Teowee, Gimtong; Kouznetsov, Alex A., Electronic blasting system having a pre-fire countdown with multiple fire commands.
  13. Patti Robert S., Electronic circuitry for timing and delay circuits.
  14. Sakamoto Midori,JPX ; Nishi Masaaki,JPX ; Kurogi Kazuhiro,JPX, Electronic delay detonator.
  15. DeVries,Derek; Aadland,James; Holmes,Daniel, Electronic switching system for a detonation device, method of operation and explosive device including the same.
  16. Danner, Dale R.; Matteson, David O., Firearm orientation and drop sensor system.
  17. Danner,Dale R.; Matteson,David O., Firearm orientation and drop sensor system.
  18. Poor Kyle W. (Clermont FL) Craven B. Thomas (Windermere FL) Durgin Bernard M. (Orlando FL), Fireworks projectile having distinct shell configuration.
  19. Meyer,Erich Nicol; Lownds,Charles Michael, Frequency diversity remote controlled initiation system.
  20. Ewick David W., High impedance semiconductor bridge detonator.
  21. Ewick David W. ; Marshall Paul N. ; Rode Kenneth A. ; Tseka Thomas C. ; Walsh Brendan M., Hybrid electronic detonator delay circuit assembly.
  22. McKinley, Paul; Martinez, Phillip, Integrated electric match initiator module with isolated lift and burst function for a pyrotechnic device.
  23. Willis Kenneth E. (Redwood City CA) Fahey William D. (Cupertino CA) Whang David S. (San Jose CA), Internally timed, multi-output impulse cartridge.
  24. Jacob Merritt (Allentown PA) Oswald Gerald L. (New Ringgold PA) Goffin ; II Glen P. (Newtown PA), Method and apparatus for calibration of electronic delay detonation circuits.
  25. Poor Kyle W. ; Sogge John W., Method and apparatus for creating pyrotechnic effects.
  26. Teowee, Gimtong; Kouznetsov, Alex A., Method for detecting an unknown or unmarked slave device such as in an electronic blasting system.
  27. Nelson, Steven D.; Diamond, Michael N., Networked electronic ordnance system.
  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.
  29. Bossarte, George; McKinley, Paul R., Precision pyrotechnic display system and method having increased safety and timing accuracy.
  30. Bossarte, George; McKinley, Paul R., Precision pyrotechnic display system and method having increased safety and timing accuracy.
  31. 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.
  32. Bossarto, 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.
  33. George Bossarte ; Glenn W. Dillon ; Paul R. McKinley ; Wayne C. Haase ; Larry G. Nelson, Precision pyrotechnic display system and method having increased safety and timing accuracy.
  34. Gwynn ; III James C. (Lititz PA), Programmable electronic timer circuit.
  35. Marshall Paul N. ; Tseka Thomas C. ; Walsh Brendan M. ; Fritz James E., Shock-resistant electronic circuit assembly.
  36. Marshall Paul N. ; Tseka Thomas C. ; Walsh Brendan M. ; Fritz James E., Shock-resistant electronic circuit assembly.
  37. Jennings, III,David T., Staggered charging of slave devices such as in an electronic blasting system.

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