SG51393G - Electromagnetic drive circuit - Google Patents
Electromagnetic drive circuitInfo
- Publication number
- SG51393G SG51393G SG513/93A SG51393A SG51393G SG 51393 G SG51393 G SG 51393G SG 513/93 A SG513/93 A SG 513/93A SG 51393 A SG51393 A SG 51393A SG 51393 G SG51393 G SG 51393G
- Authority
- SG
- Singapore
- Prior art keywords
- drive circuit
- electromagnetic drive
- electromagnetic
- circuit
- drive
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C5/00—Electric or magnetic means for converting oscillatory to rotary motion in time-pieces, i.e. electric or magnetic escapements
-
- 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
- G04C3/02—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 pendulum
- G04C3/027—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 pendulum using electromagnetic coupling between electric power source and pendulum
- G04C3/0276—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 pendulum using electromagnetic coupling between electric power source and pendulum the pendulum controlling indirectly, i.e. without mechanical connection, contacts, e.g. by magnetic or optic 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
- G04C3/04—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
- G04C3/064—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 indirectly, i.e. without mechanical connection, contacts, e.g. by magnetic or optic means
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G5/00—Setting, i.e. correcting or changing, the time-indication
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Control Of Stepping Motors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Electromechanical Clocks (AREA)
- Control Of Linear Motors (AREA)
- Impact Printers (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Electromagnets (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62051263A JPS63217289A (ja) | 1987-03-06 | 1987-03-06 | 電磁駆動回路 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG51393G true SG51393G (en) | 1993-06-25 |
Family
ID=12882058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG513/93A SG51393G (en) | 1987-03-06 | 1993-04-21 | Electromagnetic drive circuit |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4866564A (cs) |
| JP (1) | JPS63217289A (cs) |
| KR (1) | KR910002798B1 (cs) |
| CN (1) | CN1012594B (cs) |
| DE (1) | DE3807151A1 (cs) |
| ES (1) | ES2006843A6 (cs) |
| FR (1) | FR2611932B1 (cs) |
| GB (1) | GB2203867B (cs) |
| HK (1) | HK67893A (cs) |
| IT (1) | IT1219482B (cs) |
| SG (1) | SG51393G (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG28397G (en) * | 1988-12-13 | 1995-09-01 | Seiko Epson Corp | Dot wire driving apparatus |
| US9121394B2 (en) * | 2013-04-04 | 2015-09-01 | Metso Minerals Industries, Inc. | Energy harvester for converting vibrational motion of a vibrating equipment into electrical energy, and a device for monitoring the operation of a vibrating equipment |
| CN110794667A (zh) * | 2019-10-25 | 2020-02-14 | 伟力驱动技术（深圳）有限公司 | 一种时钟机芯 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD104861A1 (cs) * | 1973-05-16 | 1974-03-20 | ||
| JPS5156674A (cs) * | 1974-11-14 | 1976-05-18 | Citizen Watch Co Ltd | |
| CH587513B5 (cs) * | 1975-02-11 | 1977-05-13 | Ebauches Sa | |
| DE2749006C3 (de) * | 1977-11-02 | 1981-12-17 | Urgos Uhrenfabrik Schwenningen Haller, Jauch und Pabst GmbH& Co, 7220 Schwenningen | Elektronische Korrektureinrichtung für eine Pendeluhr |
| US4340948A (en) * | 1980-04-24 | 1982-07-20 | General Time Corporation | Single-coil balance wheel for driving a mechanical movement |
| DE3126237A1 (de) * | 1981-07-03 | 1983-01-20 | Eurosil GmbH, 8000 München | Verfahren zur regelung der schwingfrequenz eines mechanischen schwingsystems eines elektromechanischen uhrwerks und schaltungsanordnung zum ausueben des verfahrens |
-
1987
- 1987-03-06 JP JP62051263A patent/JPS63217289A/ja active Granted
-
1988
- 1988-03-03 GB GB8805131A patent/GB2203867B/en not_active Expired - Lifetime
- 1988-03-04 DE DE3807151A patent/DE3807151A1/de active Granted
- 1988-03-04 IT IT47695/88A patent/IT1219482B/it active
- 1988-03-04 FR FR888802771A patent/FR2611932B1/fr not_active Expired - Lifetime
- 1988-03-04 US US07/164,429 patent/US4866564A/en not_active Expired - Lifetime
- 1988-03-04 ES ES8800659A patent/ES2006843A6/es not_active Expired
- 1988-03-05 CN CN88101701A patent/CN1012594B/zh not_active Expired
- 1988-03-05 KR KR1019880002280A patent/KR910002798B1/ko not_active Expired
-
1993
- 1993-04-21 SG SG513/93A patent/SG51393G/en unknown
- 1993-07-15 HK HK678/93A patent/HK67893A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IT8847695A0 (it) | 1988-03-04 |
| CN88101701A (zh) | 1988-09-21 |
| DE3807151A1 (de) | 1988-09-15 |
| IT1219482B (it) | 1990-05-18 |
| KR880011628A (ko) | 1988-10-29 |
| GB8805131D0 (en) | 1988-03-30 |
| GB2203867B (en) | 1991-01-16 |
| KR910002798B1 (ko) | 1991-05-04 |
| ES2006843A6 (es) | 1989-05-16 |
| JPS63217289A (ja) | 1988-09-09 |
| HK67893A (en) | 1993-07-23 |
| JPH0421151B2 (cs) | 1992-04-08 |
| FR2611932B1 (fr) | 1991-12-27 |
| US4866564A (en) | 1989-09-12 |
| CN1012594B (zh) | 1991-05-08 |
| GB2203867A (en) | 1988-10-26 |
| FR2611932A1 (fr) | 1988-09-09 |
| DE3807151C2 (cs) | 1990-08-16 |
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