FR2211640B1 - - Google Patents
Info
- Publication number
- FR2211640B1 FR2211640B1 FR7345899A FR7345899A FR2211640B1 FR 2211640 B1 FR2211640 B1 FR 2211640B1 FR 7345899 A FR7345899 A FR 7345899A FR 7345899 A FR7345899 A FR 7345899A FR 2211640 B1 FR2211640 B1 FR 2211640B1
- Authority
- FR
- France
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16585—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 for individual pulses, ripple or noise and other applications where timing or duration is of importance
-
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/14—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force of explosions; for measuring the energy of projectiles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US317911A US3865028A (en) | 1972-12-26 | 1972-12-26 | Energy tester for testing blasting machines that detonate electro-explosive devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2211640A1 FR2211640A1 (US08197722-20120612-C00042.png) | 1974-07-19 |
| FR2211640B1 true FR2211640B1 (US08197722-20120612-C00042.png) | 1978-03-24 |
Family
ID=23235787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7345899A Expired FR2211640B1 (US08197722-20120612-C00042.png) | 1972-12-26 | 1973-12-21 |
Country Status (6)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3983476A (en) * | 1974-06-28 | 1976-09-28 | Francis Konopasek | Defibrillator testing device |
| SE416349B (sv) * | 1976-05-18 | 1980-12-15 | Nitro Nobel Ab | Metod och anordning for initiering av elektriska sprengkapslar |
| US9618309B2 (en) | 2014-04-28 | 2017-04-11 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus and electric primer output data testing method |
| CN107271128B (zh) * | 2017-06-29 | 2023-04-07 | 西南交通大学 | 一种模拟逆断层粘滑错动引发近断层地震动的试验装置 |
| CN108171958A (zh) * | 2017-12-11 | 2018-06-15 | 山东大学 | 隧道超前地质预报的起爆信号交互式控制装置及方法 |
| CN108317920B (zh) * | 2018-04-04 | 2023-10-20 | 中国人民解放军61489部队 | 基于“对地射击”模式的引信互扰测试方法 |
| CN112816232B (zh) * | 2020-12-31 | 2022-09-23 | 北京中瑞和电气有限公司 | 有载分接开关油中电弧放电防爆试验装置 |
| CN112781905B (zh) * | 2020-12-31 | 2022-12-16 | 北京中瑞和电气有限公司 | 一种变压器油中电弧放电防爆试验装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1121835A (en) * | 1914-12-22 | C E Hiatt | Comparator. | |
| US2278113A (en) * | 1935-11-06 | 1942-03-31 | Moreau Henri | Galvanometer contact device |
| US2398606A (en) * | 1943-03-27 | 1946-04-16 | Westinghouse Electric Corp | Ultra high frequency power measurement |
| US3704393A (en) * | 1971-12-30 | 1972-11-28 | Frank J Digney Jr | Capacitor discharge type blasting machines |
-
1972
- 1972-12-26 US US317911A patent/US3865028A/en not_active Expired - Lifetime
-
1973
- 1973-12-18 DE DE2362779A patent/DE2362779A1/de active Pending
- 1973-12-19 GB GB5873873A patent/GB1446330A/en not_active Expired
- 1973-12-21 FR FR7345899A patent/FR2211640B1/fr not_active Expired
- 1973-12-27 IT IT32133/73A patent/IT1002256B/it active
- 1973-12-27 AT AT1083673A patent/AT328037B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IT1002256B (it) | 1976-05-20 |
| ATA1083673A (de) | 1975-05-15 |
| DE2362779A1 (de) | 1974-06-27 |
| AT328037B (de) | 1976-02-25 |
| FR2211640A1 (US08197722-20120612-C00042.png) | 1974-07-19 |
| GB1446330A (en) | 1976-08-18 |
| US3865028A (en) | 1975-02-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |