CH540520A - Electronic clock movement - Google Patents

Electronic clock movement

Info

Publication number
CH540520A
CH540520A CH585271A CH585271A CH540520A CH 540520 A CH540520 A CH 540520A CH 585271 A CH585271 A CH 585271A CH 585271 A CH585271 A CH 585271A CH 540520 A CH540520 A CH 540520A
Authority
CH
Switzerland
Prior art keywords
electronic clock
clock movement
movement
electronic
clock
Prior art date
Application number
CH585271A
Other languages
French (fr)
Inventor
Wiget Fridolin
Original Assignee
Ebauches Sa
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 Ebauches Sa filed Critical Ebauches Sa
Priority to CH585271D priority Critical patent/CH585271A4/xx
Priority to CH585271A priority patent/CH540520A/en
Priority to FR7213666A priority patent/FR2133872B1/fr
Priority to GB1701372A priority patent/GB1370564A/en
Priority to IT49684/72A priority patent/IT952693B/en
Priority to DE2219493A priority patent/DE2219493C3/en
Priority to JP4002472A priority patent/JPS5625636B1/ja
Priority to US00246533A priority patent/US3812669A/en
Publication of CH540520A publication Critical patent/CH540520A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
    • 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
    • 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
CH585271A 1971-04-22 1971-04-22 Electronic clock movement CH540520A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CH585271D CH585271A4 (en) 1971-04-22 1971-04-22
CH585271A CH540520A (en) 1971-04-22 1971-04-22 Electronic clock movement
FR7213666A FR2133872B1 (en) 1971-04-22 1972-04-05
GB1701372A GB1370564A (en) 1971-04-22 1972-04-13 Electronic timepieces
IT49684/72A IT952693B (en) 1971-04-22 1972-04-17 ELECTRONIC WATCH MOVEMENT
DE2219493A DE2219493C3 (en) 1971-04-22 1972-04-18 Electronic clock with a piezoelectric oscillator and a frequency divider chain with adjustable division factor
JP4002472A JPS5625636B1 (en) 1971-04-22 1972-04-20
US00246533A US3812669A (en) 1971-04-22 1972-04-24 Electronic timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH585271A CH540520A (en) 1971-04-22 1971-04-22 Electronic clock movement

Publications (1)

Publication Number Publication Date
CH540520A true CH540520A (en) 1973-02-15

Family

ID=4300378

Family Applications (2)

Application Number Title Priority Date Filing Date
CH585271A CH540520A (en) 1971-04-22 1971-04-22 Electronic clock movement
CH585271D CH585271A4 (en) 1971-04-22 1971-04-22

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH585271D CH585271A4 (en) 1971-04-22 1971-04-22

Country Status (7)

Country Link
US (1) US3812669A (en)
JP (1) JPS5625636B1 (en)
CH (2) CH540520A (en)
DE (1) DE2219493C3 (en)
FR (1) FR2133872B1 (en)
GB (1) GB1370564A (en)
IT (1) IT952693B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967442A (en) * 1973-02-01 1976-07-06 Berney Jean Claude Electric watch having an electromechanical movement including a correction mechanism for small errors
CH585426B5 (en) * 1973-02-27 1977-02-28 Ebauches Sa
US4062178A (en) * 1973-04-19 1977-12-13 Kabushiki Kaisha Suwa Seikosha Electronic timepiece
JPS5751079B2 (en) * 1973-04-25 1982-10-30
JPS5031864A (en) * 1973-07-20 1975-03-28
GB1488914A (en) * 1973-12-19 1977-10-19 Citizen Watch Co Ltd Electronic timepiece
JPS50145269A (en) * 1974-05-14 1975-11-21
US4162608A (en) * 1974-06-05 1979-07-31 Kabushiki Kaisha Suwa Seikosha Electronic timepiece frequency regulating circuit
JPS5113279A (en) * 1974-07-11 1976-02-02 Suwa Seikosha Kk
JPS5614007B2 (en) * 1974-08-19 1981-04-01
JPH0310916B2 (en) * 1974-10-31 1991-02-14 Citizen Watch Co Ltd
JPS5170676A (en) * 1974-12-17 1976-06-18 Casio Computer Co Ltd
JPS6024433B2 (en) * 1975-08-01 1985-06-12 シチズン時計株式会社 clock circuit
US4132060A (en) * 1976-06-24 1979-01-02 Casio Computer Co., Ltd. Electronic timepiece
CH621036B (en) * 1977-02-28 Berney Sa Jean Claude INTEGRATED CIRCUIT FOR WATCHMAKING PART.
JPS6039193B2 (en) * 1977-10-18 1985-09-04 セイコーエプソン株式会社 electronic clock
JPS54105580A (en) * 1978-02-07 1979-08-18 Seiko Epson Corp Crystal oscillation type wristwatch
JPS554556A (en) * 1978-06-27 1980-01-14 Seiko Instr & Electronics Ltd Switch structure of electronic watche
DE3021863C2 (en) * 1980-06-11 1985-03-21 Vdo Adolf Schindling Ag, 6000 Frankfurt Electronic clock with a time base and temperature compensation circuitry
US4608706A (en) * 1983-07-11 1986-08-26 International Business Machines Corporation High-speed programmable timing generator
FR2669791B1 (en) * 1990-11-27 1994-12-09 Met METHOD FOR CORRECTING THE SYSTEMIC DRIFT OF PILOT CLOCKS BY AN OSCILLATOR AND ITS IMPLEMENTING DEVICE.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230383A (en) * 1962-03-12 1966-01-18 Bunker Ramo Clock pulse counter
NL150631B (en) * 1965-02-16 1976-08-16 Philips Nv ADJUSTABLE FREQUENCY DIVIDER.
JPS4123747Y1 (en) * 1966-05-26 1966-12-02
US3581066A (en) * 1968-03-06 1971-05-25 Lear Siegler Inc Programmable counting circuit
US3541779A (en) * 1968-03-19 1970-11-24 Corning Glass Works Electronic timepiece
CH1908768A4 (en) * 1968-12-20 1970-08-31

Also Published As

Publication number Publication date
DE2219493C3 (en) 1974-08-15
FR2133872B1 (en) 1976-10-29
FR2133872A1 (en) 1972-12-01
GB1370564A (en) 1974-10-16
DE2219493B2 (en) 1974-01-24
US3812669A (en) 1974-05-28
IT952693B (en) 1973-07-30
CH585271A4 (en) 1973-02-15
DE2219493A1 (en) 1972-11-02
JPS5625636B1 (en) 1981-06-13

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