FR2222687A1 - - Google Patents

Info

Publication number
FR2222687A1
FR2222687A1 FR7343797A FR7343797A FR2222687A1 FR 2222687 A1 FR2222687 A1 FR 2222687A1 FR 7343797 A FR7343797 A FR 7343797A FR 7343797 A FR7343797 A FR 7343797A FR 2222687 A1 FR2222687 A1 FR 2222687A1
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
FR7343797A
Other languages
French (fr)
Other versions
FR2222687B3 (en
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.)
Patek Philippe SA Geneve
Original Assignee
Patek Philippe SA Geneve
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 Patek Philippe SA Geneve filed Critical Patek Philippe SA Geneve
Publication of FR2222687A1 publication Critical patent/FR2222687A1/fr
Application granted granted Critical
Publication of FR2222687B3 publication Critical patent/FR2222687B3/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0005—Transmission of control signals
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by master-clocks
    • G04C13/02—Circuit arrangements; Electric clock installations
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/10—Arrangements for supplying back-up power

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
FR7343797A 1973-10-19 1973-12-07 Expired FR2222687B3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US407963A US3889461A (en) 1973-10-19 1973-10-19 Master clock with electronic memory

Publications (2)

Publication Number Publication Date
FR2222687A1 true FR2222687A1 (en) 1974-10-18
FR2222687B3 FR2222687B3 (en) 1976-10-15

Family

ID=23614283

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7343797A Expired FR2222687B3 (en) 1973-10-19 1973-12-07

Country Status (2)

Country Link
US (1) US3889461A (en)
FR (1) FR2222687B3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2389169A1 (en) * 1977-04-29 1978-11-24 Rca Corp TIME CONTROL DEVICE WITH PROVISIONS FOR LINE CURRENT FALLS
FR2422989A1 (en) * 1978-04-12 1979-11-09 Union Horlogere Independent quartz clocks remote setter - uses reference quartz time fed via three-position switch to base circuit of amplifier
FR2480957A1 (en) * 1980-04-18 1981-10-23 Derot Marie Therese METHOD AND DEVICE FOR SETTING THE TIME OF A MOTOR CLOCK AND OF THE RECEIVING CLOCKS THAT IT CONTROLS

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH1181974A4 (en) * 1974-08-30 1977-06-15
US4040247A (en) * 1975-12-02 1977-08-09 Tri-Tech, Inc. Clock drive apparatus
US4258421A (en) * 1978-02-27 1981-03-24 Rockwell International Corporation Vehicle monitoring and recording system
CA1137222A (en) * 1978-02-27 1982-12-07 John E. Juhasz Vehicle monitoring and recording system
US4228346A (en) * 1978-05-19 1980-10-14 Robertshaw Controls Company Self-calibrating electric clock circuit
US4395135A (en) * 1982-05-06 1983-07-26 Timex Corporation Optional alarm and battery backup system for a talking timepiece
JPH0668799B2 (en) * 1987-03-02 1994-08-31 三菱電機株式会社 Remote monitoring control system
US5282180A (en) * 1990-09-27 1994-01-25 National Time & Signal Corporation Impulse clock system
US5442599A (en) * 1990-09-27 1995-08-15 National Time & Signal Corporation Impulse clock system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3282043A (en) * 1964-06-16 1966-11-01 Edwards Company Inc Clock system
US3643420A (en) * 1969-10-14 1972-02-22 Tri Tech Clock system
US3690059A (en) * 1970-10-20 1972-09-12 Tri Tech Clock system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2389169A1 (en) * 1977-04-29 1978-11-24 Rca Corp TIME CONTROL DEVICE WITH PROVISIONS FOR LINE CURRENT FALLS
FR2422989A1 (en) * 1978-04-12 1979-11-09 Union Horlogere Independent quartz clocks remote setter - uses reference quartz time fed via three-position switch to base circuit of amplifier
FR2480957A1 (en) * 1980-04-18 1981-10-23 Derot Marie Therese METHOD AND DEVICE FOR SETTING THE TIME OF A MOTOR CLOCK AND OF THE RECEIVING CLOCKS THAT IT CONTROLS

Also Published As

Publication number Publication date
US3889461A (en) 1975-06-17
FR2222687B3 (en) 1976-10-15

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Legal Events

Date Code Title Description
ST Notification of lapse