HK1010409A1 - Electronic delay circuit for firing ignition element - Google Patents

Electronic delay circuit for firing ignition element

Info

Publication number
HK1010409A1
HK1010409A1 HK98111126A HK98111126A HK1010409A1 HK 1010409 A1 HK1010409 A1 HK 1010409A1 HK 98111126 A HK98111126 A HK 98111126A HK 98111126 A HK98111126 A HK 98111126A HK 1010409 A1 HK1010409 A1 HK 1010409A1
Authority
HK
Hong Kong
Prior art keywords
delay circuit
ignition element
electronic delay
firing ignition
firing
Prior art date
Application number
HK98111126A
Other languages
English (en)
Inventor
Kenichi Aikou
Eiichi Suzuki
Tugio Goto
Original Assignee
Asahi Chemical Ind
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from ZA931802A external-priority patent/ZA931802B/xx
Priority claimed from AU35224/93A external-priority patent/AU664423B2/en
Application filed by Asahi Chemical Ind filed Critical Asahi Chemical Ind
Publication of HK1010409A1 publication Critical patent/HK1010409A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L3/00—Starting of generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/12—Bridge initiators
    • F42B3/121—Initiators with incorporated integrated circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/12—Bridge initiators
    • F42B3/121—Initiators with incorporated integrated circuit
    • F42B3/122—Programmable electronic delay initiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/04—Arrangements for ignition
    • F42D1/045—Arrangements for electric ignition
    • F42D1/05—Electric circuits for blasting
    • F42D1/055—Electric circuits for blasting specially adapted for firing multiple charges with a time delay

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Measurement Of Predetermined Time Intervals (AREA)
  • Pulse Circuits (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
HK98111126A 1993-03-12 1998-10-08 Electronic delay circuit for firing ignition element HK1010409A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
ZA931802A ZA931802B (en) 1993-03-12 1993-03-12 Electronic delay circuit for firing ignition element
AU35224/93A AU664423B2 (en) 1993-03-15 1993-03-15 Electronic delay circuit for firing ignition element
US08/031,323 US5363765A (en) 1993-03-12 1993-03-15 Electronic delay circuit for firing ignition element
EP93104305A EP0616190B1 (fr) 1993-03-12 1993-03-16 Circuit électronique de délai pour l'allumage d'une amorce pyrotechnique
CA002091718A CA2091718C (fr) 1993-03-12 1993-03-16 Circuit a retard electronique pour dispositif d'allumage

Publications (1)

Publication Number Publication Date
HK1010409A1 true HK1010409A1 (en) 1999-06-17

Family

ID=27506805

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98111126A HK1010409A1 (en) 1993-03-12 1998-10-08 Electronic delay circuit for firing ignition element

Country Status (4)

Country Link
US (1) US5363765A (fr)
EP (1) EP0616190B1 (fr)
CA (1) CA2091718C (fr)
HK (1) HK1010409A1 (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3585526B2 (ja) * 1994-05-31 2004-11-04 旭化成ケミカルズ株式会社 電子式遅延雷管
GB9423312D0 (en) * 1994-11-18 1995-01-11 Explosive Dev Ltd Detonating arrangements
US5621184A (en) * 1995-04-10 1997-04-15 The Ensign-Bickford Company Programmable electronic timer circuit
EP0843807B1 (fr) * 1995-07-26 1999-09-22 Asahi Kasei Kogyo Kabushiki Kaisha Detonateur electronique a retardement
US5929368A (en) * 1996-12-09 1999-07-27 The Ensign-Bickford Company Hybrid electronic detonator delay circuit assembly
US5831203A (en) * 1997-03-07 1998-11-03 The Ensign-Bickford Company High impedance semiconductor bridge detonator
US5912428A (en) * 1997-06-19 1999-06-15 The Ensign-Bickford Company Electronic circuitry for timing and delay circuits
US6470803B1 (en) * 1997-12-17 2002-10-29 Prime Perforating Systems Limited Blasting machine and detonator apparatus
US5942714A (en) * 1997-12-31 1999-08-24 Aai Corporation Accurate ultra low power fuze electronics
US20060086277A1 (en) * 1998-03-30 2006-04-27 George Bossarte Precision pyrotechnic display system and method having increased safety and timing accuracy
US6490977B1 (en) * 1998-03-30 2002-12-10 Magicfire, Inc. Precision pyrotechnic display system and method having increased safety and timing accuracy
DE19930904B4 (de) * 1999-07-06 2005-12-29 Orica Explosives Technology Pty. Ltd., Melbourne Elektronische Auslöseeinheit zur Initiierung von pyrotechnischen Elementen
DE10004582C1 (de) * 2000-02-02 2001-08-30 Honeywell Ag Elektronischer Geschoßzünder
US7094806B2 (en) 2000-07-07 2006-08-22 Trustees Of Tufts College 7, 8 and 9-substituted tetracycline compounds
US7327550B2 (en) 2001-10-02 2008-02-05 Orica Explosives Technology Pty. Ltd. Frequency diversity remote controlled initiation system
US6729240B1 (en) * 2002-11-26 2004-05-04 The Boeing Company Ignition isolating interrupt circuit
US7286333B2 (en) * 2004-10-28 2007-10-23 The Boeing Company Switch card apparatus and methods
US7376322B2 (en) * 2004-11-03 2008-05-20 Adc Telecommunications, Inc. Fiber optic module and system including rear connectors
US8079307B2 (en) 2005-10-05 2011-12-20 Mckinley Paul Electric match assembly with isolated lift and burst function for a pyrotechnic device
US8701560B2 (en) 2010-11-22 2014-04-22 Battelle Energy Alliance, Llc Apparatus, system, and method for synchronizing a timer key
US20070125256A1 (en) * 2005-12-07 2007-06-07 Battelle Energy Alliance, Llc Electronic firing systems and methods for firing a device
US8161877B1 (en) 2005-12-07 2012-04-24 The United States Of America As Represented By The United States Department Of Energy Electronic firing systems and methods for firing a device
US20080282925A1 (en) * 2007-05-15 2008-11-20 Orica Explosives Technology Pty Ltd Electronic blasting with high accuracy
US8477049B2 (en) * 2009-06-05 2013-07-02 Apple Inc. Efficiently embedding information onto a keyboard membrane
US8710805B2 (en) * 2011-09-19 2014-04-29 Westinghouse Electric Company, Llc Squib control circuit
CN102865785B (zh) * 2012-09-28 2015-12-16 融硅思创(北京)科技有限公司 一种基于电子延期体的雷管爆破系统
GB2541882B (en) * 2015-08-28 2019-12-04 E2V Tech Uk Limited Firing arrangement
CN114993123B (zh) * 2022-05-13 2023-08-11 上海芯飏科技有限公司 实现电子雷管快速在线检测的方法和系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445435A (en) * 1980-05-05 1984-05-01 Atlas Powder Company Electronic delay blasting circuit
US4560954A (en) * 1981-12-24 1985-12-24 Texas Instruments Incorporated Low power oscillator circuit
JPS6353479A (ja) * 1986-08-25 1988-03-07 Nec Corp レ−ダ−表示方式
US4825765A (en) * 1986-09-25 1989-05-02 Nippon Oil And Fats Co., Ltd. Delay circuit for electric blasting, detonating primer having delay circuit and system for electrically blasting detonating primers
JP2746910B2 (ja) * 1988-05-11 1998-05-06 旭化成工業株式会社 発破工法
US5117756A (en) * 1989-02-03 1992-06-02 Atlas Powder Company Method and apparatus for a calibrated electronic timing circuit
US5041802A (en) * 1989-10-11 1991-08-20 Zilog, Inc. Low power oscillator with high start-up ability
JP2716869B2 (ja) * 1990-11-29 1998-02-18 株式会社東芝 発振回路

Also Published As

Publication number Publication date
EP0616190B1 (fr) 1998-09-02
US5363765A (en) 1994-11-15
CA2091718C (fr) 1997-10-14
CA2091718A1 (fr) 1994-09-17
EP0616190A1 (fr) 1994-09-21

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20090316