NO996359L - Kretssystem for timing- og forsinkelseskretser - Google Patents

Kretssystem for timing- og forsinkelseskretser

Info

Publication number
NO996359L
NO996359L NO996359A NO996359A NO996359L NO 996359 L NO996359 L NO 996359L NO 996359 A NO996359 A NO 996359A NO 996359 A NO996359 A NO 996359A NO 996359 L NO996359 L NO 996359L
Authority
NO
Norway
Prior art keywords
circuit
counter
signal
capacitor
ref
Prior art date
Application number
NO996359A
Other languages
English (en)
Other versions
NO996359D0 (no
Inventor
Robert S Patti
Original Assignee
Ensign Bickford Co
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
Application filed by Ensign Bickford Co filed Critical Ensign Bickford Co
Publication of NO996359D0 publication Critical patent/NO996359D0/no
Publication of NO996359L publication Critical patent/NO996359L/no

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Electronic Switches (AREA)
  • Pulse Circuits (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Manipulation Of Pulses (AREA)
  • Measurement Of Predetermined Time Intervals (AREA)

Abstract

En elektronisk forsinkelseskrets (10) som er egnet til den forsinkede initiering av detonatorer oppviser flere nye trekk som kan kombineres, omfattende en ny oscillator (34), en programmerbar timerkrets (32) og en driftsstyrekrets (46). Oscillatoren (34) genererer et klokkesignal som be- stemmes av kondensatorens (34) utladningshastighet i for- hold til en referansespenning REF. En andre kondensator (34b) er ladet til en spenning som overstiger REF, og når den første kondensator (34a) synker under REF, genereres et internt signal og kondensatorene svitsjes slik at den først kondensator lades mens den andre utlades. En vippe (34f) tilveibringer klokkepulser som respons til de interne sig- naler. Den programmerbare timerkrets (32) innbefatter en rippelteller (38) og en programbank (40) som laster inn en telling til telleren ved initialisering. Hvert tellertrinn (38) har separate innganger for sett- og slettsignaler, og programbanken (40) har en settekrets og en slettekrets for hvert tellertrinn. Hver slettekrets genererer et signal av bestemt varighet og hver settekrets kan generere et signal av to forskjellige varigheter, en som overstiger slettesig- nalet. Under programmeringen velges settsignalet av kort eller lang varighet og ved innlasting til telleren bestem- mer det lengste signal tilstanden av tellertrinnet. Driftsstyrekretsen (46) styrer porten (34h) som tillater at osillatorpulsene øker i telleren (38)", idet" den¿lukke"r~por- ten (34h) dersom det skulle oppstå et midlertidig krafttap for derved å hinder timeren (32) i å bli reinitialisert.
NO996359A 1997-06-19 1999-12-20 Kretssystem for timing- og forsinkelseskretser NO996359L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/879,162 US5912428A (en) 1997-06-19 1997-06-19 Electronic circuitry for timing and delay circuits
PCT/US1998/012112 WO1998058228A1 (en) 1997-06-19 1998-06-16 Electronic circuitry for timing and delay circuits

Publications (2)

Publication Number Publication Date
NO996359D0 NO996359D0 (no) 1999-12-20
NO996359L true NO996359L (no) 1999-12-20

Family

ID=25373560

Family Applications (1)

Application Number Title Priority Date Filing Date
NO996359A NO996359L (no) 1997-06-19 1999-12-20 Kretssystem for timing- og forsinkelseskretser

Country Status (16)

Country Link
US (2) US5912428A (no)
EP (1) EP0991909B1 (no)
JP (2) JP3575806B2 (no)
CN (1) CN1267364A (no)
AR (3) AR012753A1 (no)
BR (1) BR9810050A (no)
CA (1) CA2292542C (no)
CO (1) CO4810289A1 (no)
DE (1) DE69824290T2 (no)
ES (1) ES2223132T3 (no)
ID (1) ID24684A (no)
NO (1) NO996359L (no)
PE (1) PE42499A1 (no)
RU (1) RU2205497C2 (no)
WO (1) WO1998058228A1 (no)
ZA (1) ZA985294B (no)

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Also Published As

Publication number Publication date
US5912428A (en) 1999-06-15
CO4810289A1 (es) 1999-06-30
AR012753A1 (es) 2000-11-08
AR019329A2 (es) 2002-02-13
JP3575806B2 (ja) 2004-10-13
CA2292542C (en) 2003-11-25
BR9810050A (pt) 2000-09-19
WO1998058228A1 (en) 1998-12-23
AR019330A2 (es) 2002-02-13
DE69824290D1 (de) 2004-07-08
JP2001506467A (ja) 2001-05-15
ID24684A (id) 2000-07-27
US6268775B1 (en) 2001-07-31
CN1267364A (zh) 2000-09-20
EP0991909A1 (en) 2000-04-12
CA2292542A1 (en) 1998-12-23
DE69824290T2 (de) 2005-06-23
NO996359D0 (no) 1999-12-20
JP2004229322A (ja) 2004-08-12
RU2205497C2 (ru) 2003-05-27
PE42499A1 (es) 1999-05-07
ES2223132T3 (es) 2005-02-16
ZA985294B (en) 1999-11-23
EP0991909B1 (en) 2004-06-02

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