AT300104B - Capacitor ignition device, especially for mining operations endangered by firedamp - Google Patents
Capacitor ignition device, especially for mining operations endangered by firedampInfo
- Publication number
- AT300104B AT300104B AT955669A AT955669A AT300104B AT 300104 B AT300104 B AT 300104B AT 955669 A AT955669 A AT 955669A AT 955669 A AT955669 A AT 955669A AT 300104 B AT300104 B AT 300104B
- Authority
- AT
- Austria
- Prior art keywords
- firedamp
- ignition device
- mining operations
- capacitor ignition
- endangered
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/28—Modifications for introducing a time delay before switching
- H03K17/292—Modifications for introducing a time delay before switching in thyristor, unijunction transistor or programmable unijunction transistor switches
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K39/00—Generators specially adapted for producing a desired non-sinusoidal waveform
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT955669A AT300104B (en) | 1969-10-10 | 1969-10-10 | Capacitor ignition device, especially for mining operations endangered by firedamp |
DE19696943986 DE6943986U (en) | 1969-10-10 | 1969-11-12 | CAPACITOR IGNITION DEVICE. |
DE19702049065 DE2049065A1 (en) | 1969-10-10 | 1970-10-06 | Capacitor ignition, especially for mine operations at risk of firedamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT955669A AT300104B (en) | 1969-10-10 | 1969-10-10 | Capacitor ignition device, especially for mining operations endangered by firedamp |
Publications (1)
Publication Number | Publication Date |
---|---|
AT300104B true AT300104B (en) | 1972-07-10 |
Family
ID=3615195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT955669A AT300104B (en) | 1969-10-10 | 1969-10-10 | Capacitor ignition device, especially for mining operations endangered by firedamp |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT300104B (en) |
DE (2) | DE6943986U (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2612592A1 (en) * | 1976-03-25 | 1977-10-06 | Reinhausen Maschf Scheubeck | AC CONTACTOR WITH WASTE DELAY |
DE19912688B4 (en) * | 1999-03-20 | 2010-04-08 | Orica Explosives Technology Pty. Ltd., Melbourne | Method for exchanging data between a device for programming and triggering electronic detonators and the detonators |
-
1969
- 1969-10-10 AT AT955669A patent/AT300104B/en not_active IP Right Cessation
- 1969-11-12 DE DE19696943986 patent/DE6943986U/en not_active Expired
-
1970
- 1970-10-06 DE DE19702049065 patent/DE2049065A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE6943986U (en) | 1970-11-05 |
DE2049065A1 (en) | 1971-05-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |