CH562506A5 - - Google Patents
Info
- Publication number
- CH562506A5 CH562506A5 CH534274A CH534274A CH562506A5 CH 562506 A5 CH562506 A5 CH 562506A5 CH 534274 A CH534274 A CH 534274A CH 534274 A CH534274 A CH 534274A CH 562506 A5 CH562506 A5 CH 562506A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
- H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
- H01F27/427—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for current transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase AC
- H01F38/28—Current transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH534274A CH562506A5 (forum.php) | 1974-04-18 | 1974-04-18 | |
| AT83575A AT346968B (de) | 1974-04-18 | 1975-02-05 | Stromwandler |
| DE19752516724 DE2516724A1 (de) | 1974-04-18 | 1975-04-16 | Stromwandler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH534274A CH562506A5 (forum.php) | 1974-04-18 | 1974-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH562506A5 true CH562506A5 (forum.php) | 1975-05-30 |
Family
ID=4291968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH534274A CH562506A5 (forum.php) | 1974-04-18 | 1974-04-18 |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT346968B (forum.php) |
| CH (1) | CH562506A5 (forum.php) |
| DE (1) | DE2516724A1 (forum.php) |
-
1974
- 1974-04-18 CH CH534274A patent/CH562506A5/xx not_active IP Right Cessation
-
1975
- 1975-02-05 AT AT83575A patent/AT346968B/de not_active IP Right Cessation
- 1975-04-16 DE DE19752516724 patent/DE2516724A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| ATA83575A (de) | 1978-04-15 |
| DE2516724A1 (de) | 1975-10-30 |
| AT346968B (de) | 1978-12-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |