JPS4921627A - - Google Patents

Info

Publication number
JPS4921627A
JPS4921627A JP47062981A JP6298172A JPS4921627A JP S4921627 A JPS4921627 A JP S4921627A JP 47062981 A JP47062981 A JP 47062981A JP 6298172 A JP6298172 A JP 6298172A JP S4921627 A JPS4921627 A JP S4921627A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Granted
Application number
JP47062981A
Other languages
Japanese (ja)
Other versions
JPS5028621B2 (enrdf_load_stackoverflow
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 filed Critical
Priority to JP47062981A priority Critical patent/JPS5028621B2/ja
Priority to US00370617A priority patent/US3834310A/en
Priority to DE2331968A priority patent/DE2331968C3/de
Publication of JPS4921627A publication Critical patent/JPS4921627A/ja
Publication of JPS5028621B2 publication Critical patent/JPS5028621B2/ja
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Selective Calling Equipment (AREA)
  • Generation Of Surge Voltage And Current (AREA)
  • Air Bags (AREA)
JP47062981A 1972-06-23 1972-06-23 Expired JPS5028621B2 (enrdf_load_stackoverflow)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP47062981A JPS5028621B2 (enrdf_load_stackoverflow) 1972-06-23 1972-06-23
US00370617A US3834310A (en) 1972-06-23 1973-06-18 Remote control circuit and apparatus for exploding explosives
DE2331968A DE2331968C3 (de) 1972-06-23 1973-06-22 Drahtloses Fernsteuersystem zum Zünden von Sprengstoff

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47062981A JPS5028621B2 (enrdf_load_stackoverflow) 1972-06-23 1972-06-23

Publications (2)

Publication Number Publication Date
JPS4921627A true JPS4921627A (enrdf_load_stackoverflow) 1974-02-26
JPS5028621B2 JPS5028621B2 (enrdf_load_stackoverflow) 1975-09-17

Family

ID=13216033

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47062981A Expired JPS5028621B2 (enrdf_load_stackoverflow) 1972-06-23 1972-06-23

Country Status (3)

Country Link
US (1) US3834310A (enrdf_load_stackoverflow)
JP (1) JPS5028621B2 (enrdf_load_stackoverflow)
DE (1) DE2331968C3 (enrdf_load_stackoverflow)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145970A (en) * 1976-03-30 1979-03-27 Tri Electronics Ab Electric detonator cap
US4445435A (en) * 1980-05-05 1984-05-01 Atlas Powder Company Electronic delay blasting circuit
US4311096A (en) * 1980-05-05 1982-01-19 Atlas Powder Company Electronic blasting cap
JPS5741600A (en) * 1980-08-26 1982-03-08 Nippon Oils & Fats Co Ltd Method of and apparatus for triggering percussion cap by microwave
JPS60111900A (ja) * 1983-11-22 1985-06-18 日本油脂株式会社 遠隔制御段発発破装置
US4576093A (en) * 1984-04-12 1986-03-18 Snyder Richard N Remote radio blasting
DE3571873D1 (en) * 1984-09-04 1989-08-31 Ici Plc Method and apparatus for safer remotely controlled firing of ignition elements
US4960183A (en) * 1985-08-16 1990-10-02 Exxon Production Research Company Seismic source firing control system
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
US5038682A (en) * 1988-07-26 1991-08-13 Plessey South Africa Limited Electronic device
US5159149A (en) * 1988-07-26 1992-10-27 Plessey South Africa Limited Electronic device
AUPP021697A0 (en) * 1997-11-06 1997-11-27 Rocktek Limited Radio detonation system
US6260483B1 (en) * 1998-04-24 2001-07-17 Richard N. Snyder Remote radio controlled plasma firing system
JP5746517B2 (ja) 2011-02-23 2015-07-08 住友電気工業株式会社 電力線通信システム
US20150354337A1 (en) * 2013-05-31 2015-12-10 Halliburton Energy Services Inc. Method and apparatus for generating seismic pulses to map subterranean fractures
AU2015280721C1 (en) 2015-09-16 2022-10-27 Orica International Pte Ltd A wireless initiation device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1757288A (en) * 1926-09-07 1930-05-06 Warren F Bleecker System for shooting wells by radio
US3170399A (en) * 1951-05-18 1965-02-23 Jr Wilbur S Hinman Radio remote control mine circuit with no current drain
JPS5146248B2 (enrdf_load_stackoverflow) * 1971-10-15 1976-12-08

Also Published As

Publication number Publication date
DE2331968C3 (de) 1981-01-29
US3834310A (en) 1974-09-10
DE2331968B2 (de) 1979-03-29
JPS5028621B2 (enrdf_load_stackoverflow) 1975-09-17
DE2331968A1 (de) 1974-01-17

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