JPS5028621B2 - - Google Patents
Info
- Publication number
- JPS5028621B2 JPS5028621B2 JP47062981A JP6298172A JPS5028621B2 JP S5028621 B2 JPS5028621 B2 JP S5028621B2 JP 47062981 A JP47062981 A JP 47062981A JP 6298172 A JP6298172 A JP 6298172A JP S5028621 B2 JPS5028621 B2 JP S5028621B2
- 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.)
- Expired
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)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47062981A JPS5028621B2 (ru) | 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 (ru) | 1972-06-23 | 1972-06-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4921627A JPS4921627A (ru) | 1974-02-26 |
| JPS5028621B2 true JPS5028621B2 (ru) | 1975-09-17 |
Family
ID=13216033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47062981A Expired JPS5028621B2 (ru) | 1972-06-23 | 1972-06-23 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3834310A (ru) |
| JP (1) | JPS5028621B2 (ru) |
| DE (1) | DE2331968C3 (ru) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9337897B2 (en) | 2011-02-23 | 2016-05-10 | Sumitomo Electric Industries, Ltd | Power line communication system |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1526634A (en) * | 1976-03-30 | 1978-09-27 | 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 |
| EP0174115B1 (en) * | 1984-09-04 | 1989-07-26 | Imperial Chemical Industries 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 |
| US6260483B1 (en) * | 1998-04-24 | 2001-07-17 | Richard N. Snyder | Remote radio controlled plasma firing system |
| US20150354337A1 (en) * | 2013-05-31 | 2015-12-10 | Halliburton Energy Services Inc. | Method and apparatus for generating seismic pulses to map subterranean fractures |
Family Cites Families (3)
| 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 (ru) * | 1971-10-15 | 1976-12-08 |
-
1972
- 1972-06-23 JP JP47062981A patent/JPS5028621B2/ja not_active Expired
-
1973
- 1973-06-18 US US00370617A patent/US3834310A/en not_active Expired - Lifetime
- 1973-06-22 DE DE2331968A patent/DE2331968C3/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9337897B2 (en) | 2011-02-23 | 2016-05-10 | Sumitomo Electric Industries, Ltd | Power line communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2331968B2 (de) | 1979-03-29 |
| US3834310A (en) | 1974-09-10 |
| JPS4921627A (ru) | 1974-02-26 |
| DE2331968A1 (de) | 1974-01-17 |
| DE2331968C3 (de) | 1981-01-29 |