BE693936A - - Google Patents
Info
- Publication number
- BE693936A BE693936A BE693936DA BE693936A BE 693936 A BE693936 A BE 693936A BE 693936D A BE693936D A BE 693936DA BE 693936 A BE693936 A BE 693936A
- Authority
- BE
- Belgium
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
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- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C17/00—Indicating the time optically by electric means
-
- 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
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
- G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G3/00—Producing timing pulses
- G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH205066A CH490710A (fr) | 1966-02-10 | 1966-02-10 | Pièce d'horlogerie électronique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE693936A true BE693936A (es) | 1967-08-10 |
Family
ID=4224748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE693936D BE693936A (es) | 1966-02-10 | 1967-02-10 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3553957A (es) |
| BE (1) | BE693936A (es) |
| CH (2) | CH205066A4 (es) |
| GB (1) | GB1177523A (es) |
| NL (1) | NL6701962A (es) |
| SE (1) | SE333549B (es) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3728855A (en) * | 1970-01-22 | 1973-04-24 | Gen Time Corp | Crystal controlled movement with frequency dividing circuitry |
| GB1361229A (en) * | 1970-07-27 | 1974-07-24 | Suwa Seikosha Kk | Electric watches |
| GB1343330A (en) * | 1970-07-27 | 1974-01-10 | Suwa Seikosha Kk | Electric timepieces |
| US3756014A (en) * | 1971-05-18 | 1973-09-04 | Timex Corp | Synchronized quartz crystal watch |
| DE2166739B2 (de) * | 1971-06-24 | 1981-11-05 | Kabushiki Kaisha Suwa Seikosha, Tokyo | Quarzkristall-Armbanduhr mit einem elektromechanischen Wandler |
| US3783600A (en) * | 1971-07-29 | 1974-01-08 | Junghans Gmbh Geb | Electromechanic driving mechanism for the hands of a timepiece |
| CH556051A (es) * | 1971-10-25 | 1974-11-15 | ||
| US3757510A (en) * | 1972-07-03 | 1973-09-11 | Hughes Aircraft Co | High frequency electronic watch with low power dissipation |
| US3787715A (en) * | 1972-08-30 | 1974-01-22 | Rca Corp | Control circuit employing digital techniques for loads such as balance wheel motors |
| US3778999A (en) * | 1972-12-13 | 1973-12-18 | Girard Perregaux Sa | Electronic wristwatch |
| JPS5542356B2 (es) * | 1972-12-22 | 1980-10-30 | ||
| CH617312GA3 (en) * | 1972-12-29 | 1980-05-30 | Battery-driven time measuring device | |
| US3967442A (en) * | 1973-02-01 | 1976-07-06 | Berney Jean Claude | Electric watch having an electromechanical movement including a correction mechanism for small errors |
| JPS5751079B2 (es) * | 1973-04-25 | 1982-10-30 | ||
| JPS6120817B2 (es) * | 1973-12-24 | 1986-05-23 | Citizen Watch Co Ltd | |
| US3998043A (en) * | 1973-12-26 | 1976-12-21 | Citizen Watch Co., Ltd. | Electric timepiece for displaying the operating condition thereof |
| CH613839B (fr) * | 1977-06-08 | Ebauches Sa | Etage diviseur de frequence binaire. | |
| CH625384B (fr) * | 1977-12-20 | Ebauches Electroniques Sa | Dispositif de detection de la non rotation de moteurs pas a pas pour piece d'horlogerie et de rattrapage des pas perdus. | |
| CH629356B (fr) * | 1979-06-28 | Ebauchesfabrik Eta Ag | Montre electronique dont le rouage comporte un mobile de comptage. | |
| JPS58158394U (ja) * | 1983-02-21 | 1983-10-22 | セイコーエプソン株式会社 | 電子時計の輪列構造 |
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1966
- 1966-02-10 CH CH205066D patent/CH205066A4/xx unknown
- 1966-02-10 CH CH205066A patent/CH490710A/fr not_active IP Right Cessation
-
1967
- 1967-02-09 GB GB6351/67A patent/GB1177523A/en not_active Expired
- 1967-02-09 SE SE01848/67A patent/SE333549B/xx unknown
- 1967-02-09 NL NL6701962A patent/NL6701962A/xx unknown
- 1967-02-10 BE BE693936D patent/BE693936A/xx unknown
-
1969
- 1969-02-12 US US798757A patent/US3553957A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| SE333549B (es) | 1971-03-15 |
| US3553957A (en) | 1971-01-12 |
| DE1673774B2 (de) | 1972-07-27 |
| CH205066A4 (es) | 1969-08-15 |
| DE1673774A1 (de) | 1971-02-25 |
| CH490710A (fr) | 1969-08-15 |
| NL6701962A (es) | 1967-08-11 |
| GB1177523A (en) | 1970-01-14 |