CH1377974A4 - - Google Patents

Info

Publication number
CH1377974A4
CH1377974A4 CH1377974D CH1377974D CH1377974A4 CH 1377974 A4 CH1377974 A4 CH 1377974A4 CH 1377974 D CH1377974 D CH 1377974D CH 1377974 D CH1377974 D CH 1377974D CH 1377974 A4 CH1377974 A4 CH 1377974A4
Authority
CH
Switzerland
Application number
CH1377974D
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 filed Critical
Publication of CH1377974A4 publication Critical patent/CH1377974A4/xx

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R20/00—Setting the time according to the time information carried or implied by the radio signal
    • G04R20/26—Setting the time according to the time information carried or implied by the radio signal the radio signal being a near-field communication signal
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
    • G04G3/022—Circuits for deriving low frequency timing pulses from pulses of higher frequency the desired number of pulses per unit of time being obtained by adding to or substracting from a pulse train one or more pulses
    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R40/00—Correcting the clock frequency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
CH1377974D 1974-10-14 1974-10-14 CH1377974A4 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1377974A CH589886B5 (ja) 1974-10-14 1974-10-14

Publications (1)

Publication Number Publication Date
CH1377974A4 true CH1377974A4 (ja) 1976-10-29

Family

ID=4395239

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1377974D CH1377974A4 (ja) 1974-10-14 1974-10-14
CH1377974A CH589886B5 (ja) 1974-10-14 1974-10-14

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH1377974A CH589886B5 (ja) 1974-10-14 1974-10-14

Country Status (4)

Country Link
US (1) US4020628A (ja)
JP (1) JPS5164968A (ja)
CH (2) CH1377974A4 (ja)
DE (1) DE2545823C2 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51128571A (en) * 1975-05-01 1976-11-09 Seiko Instr & Electronics Ltd Portable electronic watch
US4211065A (en) * 1977-08-26 1980-07-08 Hughes Aircraft Company Automatic system for setting digital watches
US4204398A (en) * 1977-09-16 1980-05-27 Lemelson Jerome H Method and means for automatically setting timepieces in a time zone
CH621460B (fr) * 1977-12-23 Ebauches Electroniques Sa Piece d'horlogerie electronique avec transducteur electroacoustique.
US4358836A (en) * 1978-11-20 1982-11-09 Ricoh Watch Co., Ltd. Electronic watch with an automatic time indication modifier
JPS56158980A (en) * 1980-05-13 1981-12-08 Seiko Instr & Electronics Ltd Electronic wrist watch
JPS56162078A (en) * 1980-05-20 1981-12-12 Seiko Instr & Electronics Ltd Electronic clock
EP0040655A1 (en) * 1980-05-22 1981-12-02 Jerome Hal Lemelson Method and means for automatically setting timepieces in a time zone
US4394539A (en) * 1981-03-24 1983-07-19 Chu Tsan Chen Timepiece with automatic time setting system thru dial telephone line and automatic speed adjusting system
DE3222349A1 (de) 1982-06-14 1984-01-05 Helga 6901 Gaiberg Berthold Elektronische uhr
JPH05507162A (ja) * 1990-01-29 1993-10-14 アメリカ合衆国 正確な時間および／または周波数を提供する装置と方法
EP0851324B1 (en) * 1996-12-27 2012-06-13 Council of Scientific & Industrial Research A device useful as a master/slave clock for transmitting standard time over a telephone network
EP1075098B1 (fr) * 1999-08-03 2006-10-18 ETA SA Manufacture Horlogère Suisse Convertisseur électronique d'un signal acoustique en un signal pseudo-numérique et procédé de communication bidirectionnelle par ondes acoustiques
EP3309630A1 (fr) 2016-10-17 2018-04-18 The Swatch Group Research and Development Ltd Remise a l'heure d'une piece d'horlogerie mecanique

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2816166A (en) * 1956-04-13 1957-12-10 Self Winding Clock Company Inc Synchronization system for clocks
DE1673793C3 (de) * 1967-03-23 1981-03-19 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Verfahren zur laufenden Übermittlung der Uhrzeit
DE1673796C3 (de) * 1967-08-19 1982-05-27 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Verfahren und Schaltung zur laufenden !bermittlung der Uhrzeit
US3540207A (en) * 1968-09-20 1970-11-17 Timex Corp Electronic watch counting circuit
US3576099A (en) * 1969-04-22 1971-04-27 Hamilton Watch Co Solid state timepiece having electro-optical time display
CH812769A4 (ja) * 1969-05-29 1972-03-15
CH1016469A4 (ja) * 1969-07-03 1971-01-29
CH227070A4 (ja) * 1970-02-17 1972-08-15
CH1546470A4 (ja) * 1970-10-20 1972-09-15
US3777065A (en) * 1971-06-30 1973-12-04 Total Syst Corp Calling system utilizing a telephone
BE789976A (fr) * 1971-10-15 1973-02-01 Centre Electron Horloger Garde-temps
CH554015A (ja) * 1971-10-15 1974-09-13
US3811265A (en) * 1973-01-17 1974-05-21 J Cater Coded time indicating transmission system
US3943288A (en) * 1973-10-23 1976-03-09 Edgar D. Young Telephone incorporating binary coded decimal time display
JPS6120817B2 (ja) * 1973-12-24 1986-05-23 Citizen Watch Co Ltd

Also Published As

Publication number Publication date
US4020628A (en) 1977-05-03
JPS647351B2 (ja) 1989-02-08
DE2545823A1 (de) 1976-04-22
CH589886B5 (ja) 1977-07-29
DE2545823C2 (de) 1986-10-23
JPS5164968A (en) 1976-06-04

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