GB1477593A - Electronic timepiece - Google Patents

Electronic timepiece

Info

Publication number
GB1477593A
GB1477593A GB2411575A GB2411575A GB1477593A GB 1477593 A GB1477593 A GB 1477593A GB 2411575 A GB2411575 A GB 2411575A GB 2411575 A GB2411575 A GB 2411575A GB 1477593 A GB1477593 A GB 1477593A
Authority
GB
United Kingdom
Prior art keywords
circuit
phase
signal
stages
frequency
Prior art date
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.)
Expired
Application number
GB2411575A
Other languages
English (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.)
Suwa Seikosha KK
Original Assignee
Suwa Seikosha KK
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 Suwa Seikosha KK filed Critical Suwa Seikosha KK
Publication of GB1477593A publication Critical patent/GB1477593A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB2411575A 1974-06-05 1975-06-04 Electronic timepiece Expired GB1477593A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49063670A JPS50155262A (enExample) 1974-06-05 1974-06-05

Publications (1)

Publication Number Publication Date
GB1477593A true GB1477593A (en) 1977-06-22

Family

ID=13236005

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2411575A Expired GB1477593A (en) 1974-06-05 1975-06-04 Electronic timepiece

Country Status (5)

Country Link
JP (1) JPS50155262A (enExample)
CH (1) CH616812GA3 (enExample)
GB (1) GB1477593A (enExample)
HK (1) HK46180A (enExample)
MY (1) MY8100152A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2742184A1 (de) * 1977-09-20 1979-03-29 Philips Patentverwaltung Schaltungsanordnung zum herstellen einer niedrigerfrequenten schaltfolge durch teilen
US4580282A (en) * 1981-11-25 1986-04-01 Plessey Overseas Limited Adjustable ratio divider

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2742184A1 (de) * 1977-09-20 1979-03-29 Philips Patentverwaltung Schaltungsanordnung zum herstellen einer niedrigerfrequenten schaltfolge durch teilen
US4580282A (en) * 1981-11-25 1986-04-01 Plessey Overseas Limited Adjustable ratio divider

Also Published As

Publication number Publication date
CH616812GA3 (en) 1980-04-30
CH616812B (de)
JPS50155262A (enExample) 1975-12-15
HK46180A (en) 1980-09-05
MY8100152A (en) 1981-12-31

Similar Documents

Publication Publication Date Title
GB1545922A (en) Method for controlling frequency of electrical oscillations and frequency standard for electronic timepiece
JPS51124355A (en) Crystal oscillation circuit
JPS50155262A (enExample)
JPS5273659A (en) Frequency synthesizer
JPS5550191A (en) Electronic timepiece
JPS53129570A (en) Crystal oscillator circuit
JPS55112008A (en) Low frequency clock formation circuit
JPS5568742A (en) Phase lock oscillator circuit
JPS5341194A (en) Output frequency control system for atomic oscillator
JPS5312663A (en) Alarm electronic watch
JPS5787241A (en) Phase synchronizing circuit for optional frequency conversion
JPS5683136A (en) Frequency synthesizer
SU570875A1 (ru) Кварцевый генератор наручных электронных часов
JPS5333038A (en) Phase synchronizing oscillator
JPS6413833A (en) Frame synchronizing clock generating circuit
JPS51142252A (en) Exciter circuit
JPS5598385A (en) Temperature compensating electronic watch
JPS5493955A (en) Ignition pulse phase control method
JPS573071A (en) Oscillating circuit for electronic watch
JPS5378156A (en) Phse sweep synchronous circuit
JPS55140332A (en) Phase lock loop voltage control crystal oscillator type variable multiplier
JPS5435316A (en) Motor drive system
JPS5766384A (en) Oscillation circuit for electronic time piece
JPS51138150A (en) Methof of controlling oscillation frequency of crystal oscillators
JPS57150232A (en) Phase synchronizing loop

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19950603