FR2231043A1 - - Google Patents

Info

Publication number
FR2231043A1
FR2231043A1 FR7417682A FR7417682A FR2231043A1 FR 2231043 A1 FR2231043 A1 FR 2231043A1 FR 7417682 A FR7417682 A FR 7417682A FR 7417682 A FR7417682 A FR 7417682A FR 2231043 A1 FR2231043 A1 FR 2231043A1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7417682A
Other languages
French (fr)
Other versions
FR2231043B1 (enrdf_load_stackoverflow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of FR2231043A1 publication Critical patent/FR2231043A1/fr
Application granted granted Critical
Publication of FR2231043B1 publication Critical patent/FR2231043B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G99/00—Subject matter not provided for in other groups of this subclass
    • 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
    • G04C3/065—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 gear-train by means of static switches, e.g. transistor circuits
    • G04C3/067—Driving circuits with distinct detecting and driving coils
    • G04C3/068—Driving circuits with distinct detecting and driving coils provided with automatic control
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/60—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D10/00 or H10D18/00, e.g. integration of BJTs
    • H10D84/611—Combinations of BJTs and one or more of diodes, resistors or capacitors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Bipolar Transistors (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
FR7417682A 1973-05-24 1974-05-21 Expired FR2231043B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48057208A JPS5010168A (enrdf_load_stackoverflow) 1973-05-24 1973-05-24

Publications (2)

Publication Number Publication Date
FR2231043A1 true FR2231043A1 (enrdf_load_stackoverflow) 1974-12-20
FR2231043B1 FR2231043B1 (enrdf_load_stackoverflow) 1977-04-08

Family

ID=13049080

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7417682A Expired FR2231043B1 (enrdf_load_stackoverflow) 1973-05-24 1974-05-21

Country Status (5)

Country Link
US (1) US3905188A (enrdf_load_stackoverflow)
JP (1) JPS5010168A (enrdf_load_stackoverflow)
DE (1) DE2425253B2 (enrdf_load_stackoverflow)
FR (1) FR2231043B1 (enrdf_load_stackoverflow)
GB (1) GB1446497A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51101478A (enrdf_load_stackoverflow) * 1975-03-04 1976-09-07 Suwa Seikosha Kk
US4106280A (en) * 1975-03-27 1978-08-15 Hansrichard Schulz Method and apparatus for synchronizing a mechanical oscillating system to the accuracy of a quartz standard
JPS5220120A (en) * 1975-08-08 1977-02-15 Touhoku Rikoo Kk Printer using dielectric element and matrix type
JPS5230519A (en) * 1975-09-04 1977-03-08 Nippon Telegraph & Telephone Printing head for picture element impact printer
US4300083A (en) * 1977-07-05 1981-11-10 Automation Devices, Inc. Constant amplitude controller and method
US4333171A (en) * 1979-09-04 1982-06-01 Citizen Watch Co., Ltd. Electronic timepiece with diffusion resistor for compensating threshold variations
JPS59196275A (ja) * 1983-04-21 1984-11-07 Tokyo Electric Co Ltd プリンタの印字ハンマ駆動装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1464157A (fr) * 1964-11-20 1966-12-30 Nippon Electric Co Procédé de fabrication d'un élément de résistance et nouveau produits ainsi obtenu
CH466149A (fr) * 1966-12-22 1969-01-15 Centre Electron Horloger Circuit d'entretien d'un dispositif mécanique résonnant, d'un garde-temps
FR2138339A1 (enrdf_load_stackoverflow) * 1971-05-24 1973-01-05 Radiotechnique Compelec

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124731A (en) * 1964-03-10 Electronic time pieces
DE1448342A1 (de) * 1960-03-31 1969-04-10 Reich Robert W Elektronisches Antriebsprinzip fuer Uhren
US3447051A (en) * 1965-01-13 1969-05-27 Union Special Machine Co Control circuit for electro-mechanical devices
US3568430A (en) * 1968-07-11 1971-03-09 Hamilton Watch Co Resistance bridge controlled timekeeping device
US3602842A (en) * 1969-08-08 1971-08-31 Scudder Smith Electromechanical oscillator including a dual vibrator for producing a bent frequency

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1464157A (fr) * 1964-11-20 1966-12-30 Nippon Electric Co Procédé de fabrication d'un élément de résistance et nouveau produits ainsi obtenu
CH466149A (fr) * 1966-12-22 1969-01-15 Centre Electron Horloger Circuit d'entretien d'un dispositif mécanique résonnant, d'un garde-temps
FR2138339A1 (enrdf_load_stackoverflow) * 1971-05-24 1973-01-05 Radiotechnique Compelec

Also Published As

Publication number Publication date
FR2231043B1 (enrdf_load_stackoverflow) 1977-04-08
GB1446497A (en) 1976-08-18
US3905188A (en) 1975-09-16
JPS5010168A (enrdf_load_stackoverflow) 1975-02-01
DE2425253B2 (de) 1978-06-08
DE2425253A1 (de) 1974-12-12

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Legal Events

Date Code Title Description
ST Notification of lapse