CH533331A - Inductively driven clock - Google Patents

Inductively driven clock

Info

Publication number
CH533331A
CH533331A CH1173271A CH1173271A CH533331A CH 533331 A CH533331 A CH 533331A CH 1173271 A CH1173271 A CH 1173271A CH 1173271 A CH1173271 A CH 1173271A CH 533331 A CH533331 A CH 533331A
Authority
CH
Switzerland
Prior art keywords
driven clock
inductively driven
inductively
clock
driven
Prior art date
Application number
CH1173271A
Other languages
German (de)
Inventor
Kimura Rokusaburo
Kajihara Masanori
Kotani Akihide
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of CH533331A publication Critical patent/CH533331A/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C11/00—Synchronisation of independently-driven clocks
    • G04C11/08—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction
    • G04C11/081—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet
    • G04C11/084—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet acting on the balance
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C11/00—Synchronisation of independently-driven clocks
    • G04C11/02—Synchronisation of independently-driven clocks by radio
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R40/00—Correcting the clock frequency
    • G04R40/02—Correcting the clock frequency by phase locking

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
  • Burglar Alarm Systems (AREA)
  • Measuring Magnetic Variables (AREA)
CH1173271A 1970-08-11 1971-08-09 Inductively driven clock CH533331A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7066870 1970-08-11

Publications (1)

Publication Number Publication Date
CH533331A true CH533331A (en) 1972-07-31

Family

ID=13438262

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1173271A CH533331A (en) 1970-08-11 1971-08-09 Inductively driven clock
CH1173271D CH1173271A4 (en) 1970-08-11 1971-08-09

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH1173271D CH1173271A4 (en) 1970-08-11 1971-08-09

Country Status (4)

Country Link
US (1) US3756010A (en)
CH (2) CH533331A (en)
DE (1) DE2139682C3 (en)
FR (1) FR2102184B1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881310A (en) * 1971-03-02 1975-05-06 Diehl Clock adapted to be synchronized by alternating current in a wireless manner
US3902311A (en) * 1972-12-15 1975-09-02 Johnson Service Co Remote time clock system with standby power means
DE2309598A1 (en) * 1973-02-26 1974-09-05 Centra Buerkle Kg Albert DRIVE FOR TIME SWITCHES OR THE SAME
US3908353A (en) * 1973-10-09 1975-09-30 Engler Instr Company Electric timepiece drive
US4023344A (en) * 1975-09-03 1977-05-17 Kabushiki Kaisha Suwa Seikosha Automatically corrected electronic timepiece
US4040247A (en) * 1975-12-02 1977-08-09 Tri-Tech, Inc. Clock drive apparatus
JPS54155079A (en) * 1978-05-26 1979-12-06 Seiko Instr & Electronics Ltd Magnetic field detector for electronic watch
JPS5515054A (en) * 1978-07-19 1980-02-01 Seiko Instr & Electronics Ltd Electronic watch
US4321521A (en) * 1978-12-25 1982-03-23 Kabushiki Kaisha Daini Seikosha Detection device of electronic timepiece
JP2003344565A (en) * 2002-05-29 2003-12-03 Seiko Instruments Inc Electronic clock

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2786972A (en) * 1956-04-27 1957-03-26 Gen Electric Commercial power frequency cordless synchronous clock
US3163978A (en) * 1962-01-29 1965-01-05 Kohlhagen Walter Cordless clock of commercial powerferquency synchronized type
US3507111A (en) * 1966-06-07 1970-04-21 Matsushita Electric Ind Co Ltd Electric clock
US3566600A (en) * 1968-06-21 1971-03-02 Matsushita Electric Ind Co Ltd Electric time-piece

Also Published As

Publication number Publication date
DE2139682C3 (en) 1974-03-07
CH1173271A4 (en) 1972-07-31
FR2102184B1 (en) 1975-02-21
DE2139682B2 (en) 1973-08-09
DE2139682A1 (en) 1972-04-06
US3756010A (en) 1973-09-04
FR2102184A1 (en) 1972-04-07

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