CH1887570A4 - - Google Patents
Info
- Publication number
- CH1887570A4 CH1887570A4 CH1887570DD CH1887570A4 CH 1887570 A4 CH1887570 A4 CH 1887570A4 CH 1887570D D CH1887570D D CH 1887570DD CH 1887570 A4 CH1887570 A4 CH 1887570A4
- Authority
- CH
- Switzerland
Links
Classifications
-
- 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
- G04C21/18—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by mechanically unlocking an electromechanical vibrator, e.g. actuated by the leakage flux of the electric driving means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE6950134U DE6950134U (en) | 1969-12-23 | 1969-12-23 | SYNCHRONOUS ALARM |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH1887570A4 true CH1887570A4 (en) | 1972-09-29 |
Family
ID=6607334
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1887570A CH533868A (en) | 1969-12-23 | 1970-12-21 | Synchronous alarm clock |
| CH1887570D CH1887570A4 (en) | 1969-12-23 | 1970-12-21 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1887570A CH533868A (en) | 1969-12-23 | 1970-12-21 | Synchronous alarm clock |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3715883A (en) |
| CH (2) | CH533868A (en) |
| DE (1) | DE6950134U (en) |
| FR (1) | FR2072069B3 (en) |
| GB (1) | GB1292552A (en) |
-
1969
- 1969-12-23 DE DE6950134U patent/DE6950134U/en not_active Expired
-
1970
- 1970-12-09 FR FR707044272A patent/FR2072069B3/fr not_active Expired
- 1970-12-16 US US00098638A patent/US3715883A/en not_active Expired - Lifetime
- 1970-12-17 GB GB59852/70A patent/GB1292552A/en not_active Expired
- 1970-12-21 CH CH1887570A patent/CH533868A/en unknown
- 1970-12-21 CH CH1887570D patent/CH1887570A4/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3715883A (en) | 1973-02-13 |
| DE6950134U (en) | 1970-04-09 |
| GB1292552A (en) | 1972-10-11 |
| CH533868A (en) | 1972-09-29 |
| FR2072069B3 (en) | 1973-08-10 |
| FR2072069A7 (en) | 1971-09-24 |