CH616044B - Elektronische kleinuhr. - Google Patents
Elektronische kleinuhr.Info
- Publication number
- CH616044B CH616044B CH1550477A CH1550477A CH616044B CH 616044 B CH616044 B CH 616044B CH 1550477 A CH1550477 A CH 1550477A CH 1550477 A CH1550477 A CH 1550477A CH 616044 B CH616044 B CH 616044B
- Authority
- CH
- Switzerland
- Prior art keywords
- voltage
- primary
- whose
- stator coil
- motor
- Prior art date
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
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
- G04G19/02—Conversion or regulation of current or voltage
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1550477A CH616044B (de) | 1977-12-16 | 1977-12-16 | Elektronische kleinuhr. |
GB22865/78A GB1598387A (en) | 1977-12-16 | 1978-05-25 | Electronic watches |
US05/968,694 US4214434A (en) | 1977-12-16 | 1978-12-12 | Electronic watches |
US06/143,610 US4361409A (en) | 1977-12-16 | 1980-04-25 | Electronic watch having braked stepping motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1550477A CH616044B (de) | 1977-12-16 | 1977-12-16 | Elektronische kleinuhr. |
Publications (2)
Publication Number | Publication Date |
---|---|
CH616044B true CH616044B (de) | |
CH616044GA3 CH616044GA3 (de) | 1980-03-14 |
Family
ID=4409611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1550477A CH616044B (de) | 1977-12-16 | 1977-12-16 | Elektronische kleinuhr. |
Country Status (3)
Country | Link |
---|---|
US (2) | US4214434A (de) |
CH (1) | CH616044B (de) |
GB (1) | GB1598387A (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5643575A (en) * | 1979-09-18 | 1981-04-22 | Seiko Instr & Electronics Ltd | Electronic clock |
US5274798A (en) * | 1989-11-28 | 1993-12-28 | Casio Computer Co., Ltd. | Electronic apparatus with communication function having power source system with two voltage output levels |
CH686332B5 (fr) * | 1994-04-25 | 1996-09-13 | Asulab Sa | Pièce d'horlogerie mué par une source d'énergie mécanique et régulée par un circuit électronique. |
US5467935A (en) | 1994-08-16 | 1995-11-21 | James River Paper Company, Inc. | Apparatus for supporting a coreless paper roll and for impeding rotation of the roll during paper dispensing |
JP3006593B2 (ja) * | 1997-09-30 | 2000-02-07 | セイコーエプソン株式会社 | 電子制御式機械時計およびその制御方法 |
US6795378B2 (en) | 1997-09-30 | 2004-09-21 | Seiko Epson Corporation | Electronic device, electronically controlled mechanical timepiece, and control method therefor |
JP2002296365A (ja) * | 2001-03-29 | 2002-10-09 | Seiko Epson Corp | 電子機器、電子制御式機械時計、電子機器の制御方法 |
EP3336619A1 (de) * | 2016-12-15 | 2018-06-20 | The Swatch Group Research and Development Ltd | Herstellungsverfahren eines intelligenten armbands, das mit einem einsatz mit elektronischen komponenten ausgestattet ist |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3319143A (en) * | 1964-08-21 | 1967-05-09 | Nippon Denso Co | Control unit for windshield wiper |
JPS4226884B1 (de) * | 1964-09-30 | 1967-12-20 | ||
US3582747A (en) * | 1968-05-23 | 1971-06-01 | Robert W Kearns | Intermittent windshield wiper system with electrodynamic braking |
US3817021A (en) * | 1971-06-15 | 1974-06-18 | Time Computer | Solid state watch with magnetic setting |
CH585428B5 (de) * | 1972-09-20 | 1977-02-28 | Portescap | |
US4133169A (en) * | 1974-08-30 | 1979-01-09 | Ebauches S.A. | Electronic circuit for a quartz crystal watch |
US3963946A (en) * | 1975-02-21 | 1976-06-15 | Robertshaw Controls Company | Driver circuit for step motor |
CH604249B5 (de) * | 1975-05-07 | 1978-08-31 | Centre Electron Horloger | |
CH611484B (fr) * | 1975-11-18 | Berney Sa Jean Claude | Dispositif de commande d'un moteur pas a pas pour la mesure du temps. |
-
1977
- 1977-12-16 CH CH1550477A patent/CH616044B/de unknown
-
1978
- 1978-05-25 GB GB22865/78A patent/GB1598387A/en not_active Expired
- 1978-12-12 US US05/968,694 patent/US4214434A/en not_active Expired - Lifetime
-
1980
- 1980-04-25 US US06/143,610 patent/US4361409A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CH616044GA3 (de) | 1980-03-14 |
GB1598387A (en) | 1981-09-16 |
US4214434A (en) | 1980-07-29 |
US4361409A (en) | 1982-11-30 |
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