CH677577GA3 - - Google Patents

Download PDF

Info

Publication number
CH677577GA3
CH677577GA3 CH405489A CH405489A CH677577GA3 CH 677577G A3 CH677577G A3 CH 677577GA3 CH 405489 A CH405489 A CH 405489A CH 405489 A CH405489 A CH 405489A CH 677577G A3 CH677577G A3 CH 677577GA3
Authority
CH
Switzerland
Prior art keywords
output signal
time base
frequency
timepiece
generating means
Prior art date
Application number
CH405489A
Other languages
English (en)
French (fr)
Other versions
CH677577B5 (cg-RX-API-DMAC7.html
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
Priority to CH4054/89A priority Critical patent/CH677577B5/fr
Priority to EP90120671A priority patent/EP0427077B1/fr
Priority to DE90120671T priority patent/DE69001009T2/de
Priority to JP2302792A priority patent/JP3066605B2/ja
Publication of CH677577GA3 publication Critical patent/CH677577GA3/fr
Publication of CH677577B5 publication Critical patent/CH677577B5/fr

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/12—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
    • G04D7/1207—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring
    • 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
    • G04G3/027—Circuits for deriving low frequency timing pulses from pulses of higher frequency by combining pulse-trains of different frequencies, e.g. obtained from two independent oscillators or from a common oscillator by means of different frequency dividing ratios

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Liquid Crystal Substances (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Developing Agents For Electrophotography (AREA)
CH4054/89A 1989-11-10 1989-11-10 CH677577B5 (cg-RX-API-DMAC7.html)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH4054/89A CH677577B5 (cg-RX-API-DMAC7.html) 1989-11-10 1989-11-10
EP90120671A EP0427077B1 (fr) 1989-11-10 1990-10-29 Pièce d'horlogerie électronique
DE90120671T DE69001009T2 (de) 1989-11-10 1990-10-29 Elektronisches Uhrwerk.
JP2302792A JP3066605B2 (ja) 1989-11-10 1990-11-09 電子時計

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH4054/89A CH677577B5 (cg-RX-API-DMAC7.html) 1989-11-10 1989-11-10

Publications (2)

Publication Number Publication Date
CH677577GA3 true CH677577GA3 (cg-RX-API-DMAC7.html) 1991-06-14
CH677577B5 CH677577B5 (cg-RX-API-DMAC7.html) 1991-12-13

Family

ID=4268958

Family Applications (1)

Application Number Title Priority Date Filing Date
CH4054/89A CH677577B5 (cg-RX-API-DMAC7.html) 1989-11-10 1989-11-10

Country Status (4)

Country Link
EP (1) EP0427077B1 (cg-RX-API-DMAC7.html)
JP (1) JP3066605B2 (cg-RX-API-DMAC7.html)
CH (1) CH677577B5 (cg-RX-API-DMAC7.html)
DE (1) DE69001009T2 (cg-RX-API-DMAC7.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW475991B (en) * 1998-12-28 2002-02-11 Nippon Kouatsu Electric Co Ltd Fault point location system
JP2001343474A (ja) * 2000-06-02 2001-12-14 Seiko Epson Corp 電子時計、電子時計の制御方法及び電子時計の検査システム
EP3168695B1 (fr) * 2015-11-13 2021-03-10 ETA SA Manufacture Horlogère Suisse Procédé de test de la marche d'une montre à quartz

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2043967A (en) * 1978-12-27 1980-10-08 Citizen Watch Co Ltd Testing electronic timepieces
US4241435A (en) * 1978-10-06 1980-12-23 Citizen Watch Co., Ltd. Electronic timepiece oscillator circuit
EP0069372A1 (fr) * 1981-07-06 1983-01-12 OMEGA Louis Brandt & Frère S.A. Procédé pour contrôler la marche d'une pièce d'horlogerie et pièce d'horlogerie adaptée à ce procédé
US4408897A (en) * 1982-09-22 1983-10-11 Ebauches Electroniques S.A. Electronic timepiece having a digital frequency correction circuit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4241435A (en) * 1978-10-06 1980-12-23 Citizen Watch Co., Ltd. Electronic timepiece oscillator circuit
GB2043967A (en) * 1978-12-27 1980-10-08 Citizen Watch Co Ltd Testing electronic timepieces
EP0069372A1 (fr) * 1981-07-06 1983-01-12 OMEGA Louis Brandt & Frère S.A. Procédé pour contrôler la marche d'une pièce d'horlogerie et pièce d'horlogerie adaptée à ce procédé
US4408897A (en) * 1982-09-22 1983-10-11 Ebauches Electroniques S.A. Electronic timepiece having a digital frequency correction circuit

Also Published As

Publication number Publication date
EP0427077A1 (fr) 1991-05-15
EP0427077B1 (fr) 1993-03-03
DE69001009T2 (de) 1993-09-30
DE69001009D1 (de) 1993-04-08
JPH03172791A (ja) 1991-07-26
JP3066605B2 (ja) 2000-07-17
CH677577B5 (cg-RX-API-DMAC7.html) 1991-12-13

Similar Documents

Publication Publication Date Title
EP0297719A3 (en) Device for synchronizing the output pulses of a circuit with an input clock
EP0357440A3 (en) Electro-optic sampling system clock and stimulus pattern generator
CH629061B (cg-RX-API-DMAC7.html)
DE59209263D1 (de) Steuereinrichtung für einen Schwingförderer
CH677577GA3 (cg-RX-API-DMAC7.html)
CH643979GA3 (en) Linearising circuit and an electronic timepiece containing the same
KR900005362A (ko) 측정치의 처리 및 무선 송신 장치
EP0506462A3 (en) Test signal output circuit for lsi
EP0639812A3 (en) Synchronization of asynchronous circuits for verification operations.
GB9720222D0 (en) Method of measuring a delay time and pulse generating apparatus for measuring a delay time for use in implementing this method
GB1537102A (en) Programmable timing apparatus for indicating appointments
DE68911410D1 (de) Programmierbare Zeitvorverschiebung.
JPS52122161A (en) Electronic watch
CH632379B (fr) Mouvement de montre electronique.
JPS57197831A (en) Integration circuit chip
GB1550062A (en) Apparatus for measuring q-quality of oscillatory circuit components
JPS6444886A (en) Time-piece apparatus
JPS5357871A (en) Electronic watch
SE9102390L (sv) Saett och krets foer utbalansering av en felsignal
JPS578480A (en) Temperature compensating electronic timepiece
JPS52123662A (en) Ic inspection circuit in electronic watches
JPS6447119A (en) Pulse generator
JPS6481524A (en) Frequency division circuit
JPS5251887A (en) Electronic watch
ES8402961A3 (es) Un procedimiento electronico de comprobacion para monedas metalicas.

Legal Events

Date Code Title Description
PL Patent ceased