CH1348465A4 - - Google Patents
Info
- Publication number
- CH1348465A4 CH1348465A4 CH1348465A CH1348465A CH1348465A4 CH 1348465 A4 CH1348465 A4 CH 1348465A4 CH 1348465 A CH1348465 A CH 1348465A CH 1348465 A CH1348465 A CH 1348465A CH 1348465 A4 CH1348465 A4 CH 1348465A4
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/04—Indicating the time of the day
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
- G04C21/28—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to put into action electro-acoustic means, e.g. awakening by music
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US401058A US3318084A (en) | 1964-10-02 | 1964-10-02 | Transistor alarm clock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CH1348465A4 true CH1348465A4 (de) | 1967-08-15 |
| CH451025A CH451025A (de) | 1968-05-15 |
Family
ID=23586093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1348465A CH451025A (de) | 1964-10-02 | 1965-09-30 | Weckeruhr |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3318084A (de) |
| CH (1) | CH451025A (de) |
| DE (1) | DE1523911A1 (de) |
| GB (1) | GB1087956A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3631450A (en) * | 1969-08-27 | 1971-12-28 | John W Chalfant | Acoustic alarm device |
| GB1366794A (en) * | 1971-12-02 | 1974-09-11 | Seiko Instr & Electronics | Electronic timepiece |
| DE2433560A1 (de) * | 1974-07-12 | 1976-01-29 | Timex Corp | Elektrische weckeruhr |
| JPS5458057A (en) * | 1977-10-17 | 1979-05-10 | Seiko Epson Corp | Improve structure for analog type alam watch |
| CH616554B (fr) * | 1978-07-11 | Ebauches Electroniques Sa | Montre electronique a moteur pas a pas equipee d'un systeme d'alarme. | |
| DE2941388A1 (de) * | 1979-10-12 | 1981-04-23 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung fuer eine elektronische uhr mit weckeinrichtung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1214428A (fr) * | 1958-12-07 | 1960-04-08 | Hatot Leon Ets | Perfectionnements aux appareils électromagnétiques applicables notamment aux avertisseurs horaires autonomes |
| US3091076A (en) * | 1961-07-31 | 1963-05-28 | Reich Robert Walter | Electrically operated clock with alarm device |
| US3209529A (en) * | 1962-01-17 | 1965-10-05 | Bulova Watch Co Inc | Electronically controlled stop-watch |
-
1964
- 1964-10-02 US US401058A patent/US3318084A/en not_active Expired - Lifetime
-
1965
- 1965-09-23 GB GB40676/65A patent/GB1087956A/en not_active Expired
- 1965-09-30 DE DE19651523911 patent/DE1523911A1/de active Pending
- 1965-09-30 CH CH1348465A patent/CH451025A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1087956A (en) | 1967-10-18 |
| CH451025A (de) | 1968-05-15 |
| US3318084A (en) | 1967-05-09 |
| DE1523911A1 (de) | 1969-06-26 |