HK68193A - Electromagnetic drive circuit - Google Patents
Electromagnetic drive circuitInfo
- Publication number
- HK68193A HK68193A HK681/93A HK68193A HK68193A HK 68193 A HK68193 A HK 68193A HK 681/93 A HK681/93 A HK 681/93A HK 68193 A HK68193 A HK 68193A HK 68193 A HK68193 A HK 68193A
- Authority
- HK
- Hong Kong
- 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
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D19/00—Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase
- G05D19/02—Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase characterised by the use of electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Stepping Motors (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Electromechanical Clocks (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Magnetic Treatment Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62051262A JPS63217288A (ja) | 1987-03-06 | 1987-03-06 | 電磁駆動回路 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK68193A true HK68193A (en) | 1993-07-23 |
Family
ID=12882031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK681/93A HK68193A (en) | 1987-03-06 | 1993-07-15 | Electromagnetic drive circuit |
Country Status (8)
Country | Link |
---|---|
US (1) | US4868709A (fr) |
JP (1) | JPS63217288A (fr) |
KR (1) | KR910002794B1 (fr) |
CN (1) | CN1012595B (fr) |
DE (1) | DE3807177A1 (fr) |
GB (1) | GB2203866B (fr) |
HK (1) | HK68193A (fr) |
SG (1) | SG51693G (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0373870B1 (fr) * | 1988-12-13 | 1994-03-16 | Seiko Epson Corporation | Dispositif de commande pour aiguille d'impression par points |
DE3926403A1 (de) * | 1989-08-10 | 1991-02-14 | Wolfgang Muth | Mechanisch/elektronisches faden-pendel |
US5196983A (en) * | 1991-10-07 | 1993-03-23 | Eastman Kodak Company | Solenoid engagement sensing circuit |
CN100445205C (zh) * | 2005-03-07 | 2008-12-24 | 中国科学院上海应用物理研究所 | 硅溶胶的制造方法 |
JP6622518B2 (ja) * | 2015-08-28 | 2019-12-18 | セイコーインスツル株式会社 | 電子時計 |
DE102015119512A1 (de) | 2015-11-12 | 2017-05-18 | Eaton Electrical Ip Gmbh & Co. Kg | Verfahren und Vorrichtung zur Steuerung eines elektromagnetischen Antriebs eines Schaltgeräts |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1673776A1 (de) * | 1967-04-19 | 1971-02-25 | Siemens Ag | Schaltungsanordnung zur kontaktlosen Steuerung eines mechanischen Schwingers |
DE1673777A1 (de) * | 1967-04-19 | 1971-02-25 | Siemens Ag | Schaltungsanordnung zur kontaktlosen Steuerung eines mechanischen Schwingers |
JPS5319944B2 (fr) * | 1971-09-25 | 1978-06-23 | ||
CH456972A4 (fr) * | 1972-03-28 | 1975-11-14 | ||
CH581346B5 (fr) * | 1973-07-19 | 1976-10-29 | Ebauches Sa | |
JPS5156674A (fr) * | 1974-11-14 | 1976-05-18 | Citizen Watch Co Ltd | |
CH163175A4 (fr) * | 1975-02-11 | 1976-11-15 | ||
DE2749006C3 (de) * | 1977-11-02 | 1981-12-17 | Urgos Uhrenfabrik Schwenningen Haller, Jauch und Pabst GmbH& Co, 7220 Schwenningen | Elektronische Korrektureinrichtung für eine Pendeluhr |
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 JP62051262A patent/JPS63217288A/ja active Granted
-
1988
- 1988-03-03 GB GB8805130A patent/GB2203866B/en not_active Expired - Lifetime
- 1988-03-04 US US07/164,428 patent/US4868709A/en not_active Expired - Lifetime
- 1988-03-04 DE DE3807177A patent/DE3807177A1/de active Granted
- 1988-03-05 CN CN88101201A patent/CN1012595B/zh not_active Expired
- 1988-03-05 KR KR1019880002279A patent/KR910002794B1/ko not_active IP Right Cessation
-
1993
- 1993-04-21 SG SG516/93A patent/SG51693G/en unknown
- 1993-07-15 HK HK681/93A patent/HK68193A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR910002794B1 (ko) | 1991-05-04 |
SG51693G (en) | 1993-06-25 |
DE3807177A1 (de) | 1988-09-15 |
DE3807177C2 (fr) | 1990-08-16 |
GB8805130D0 (en) | 1988-03-30 |
GB2203866B (en) | 1991-01-30 |
CN1012595B (zh) | 1991-05-08 |
GB2203866A (en) | 1988-10-26 |
CN88101201A (zh) | 1988-09-28 |
US4868709A (en) | 1989-09-19 |
JPH0421150B2 (fr) | 1992-04-08 |
JPS63217288A (ja) | 1988-09-09 |
KR890015092A (ko) | 1989-10-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20040303 |
|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |