CH572371A4 - - Google Patents
Info
- Publication number
- CH572371A4 CH572371A4 CH572371D CH572371D CH572371A4 CH 572371 A4 CH572371 A4 CH 572371A4 CH 572371 D CH572371 D CH 572371D CH 572371 D CH572371 D CH 572371D CH 572371 A4 CH572371 A4 CH 572371A4
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
- G04C3/06—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance
- G04C3/065—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance the balance controlling gear-train by means of static switches, e.g. transistor circuits
- G04C3/067—Driving circuits with distinct detecting and driving coils
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH572371A CH571246B5 (en) | 1971-04-20 | 1971-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH572371A4 true CH572371A4 (en) | 1975-06-30 |
Family
ID=4298280
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH572371A CH571246B5 (en) | 1971-04-20 | 1971-04-20 | |
| CH572371D CH572371A4 (en) | 1971-04-20 | 1971-04-20 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH572371A CH571246B5 (en) | 1971-04-20 | 1971-04-20 |
Country Status (5)
| Country | Link |
|---|---|
| CH (2) | CH571246B5 (en) |
| DE (1) | DE2217870B2 (en) |
| FR (1) | FR2133765B1 (en) |
| GB (1) | GB1382492A (en) |
| IT (1) | IT951870B (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE5C (en) * | 1877-07-03 | E. KASELOWSKI, technischer Direktor der Berliner Maschinenbau-Aktien-Gesellschaft zu Berlin | Attachment of wheel tires to railway wheels |
-
1971
- 1971-04-20 CH CH572371A patent/CH571246B5/xx not_active IP Right Cessation
- 1971-04-20 CH CH572371D patent/CH572371A4/xx unknown
-
1972
- 1972-04-13 DE DE19722217870 patent/DE2217870B2/en active Granted
- 1972-04-14 GB GB1728372A patent/GB1382492A/en not_active Expired
- 1972-04-14 FR FR7213255A patent/FR2133765B1/fr not_active Expired
- 1972-04-18 IT IT2329272A patent/IT951870B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2217870C3 (en) | 1974-10-17 |
| IT951870B (en) | 1973-07-10 |
| DE2217870B2 (en) | 1974-03-07 |
| GB1382492A (en) | 1975-02-05 |
| CH571246B5 (en) | 1975-12-31 |
| DE2217870A1 (en) | 1972-11-02 |
| FR2133765A1 (en) | 1972-12-01 |
| FR2133765B1 (en) | 1974-12-20 |