BR7706742A - Processo e instalacao para a medida da exatidao de funcionamento de um relogio eletronico - Google Patents

Processo e instalacao para a medida da exatidao de funcionamento de um relogio eletronico

Info

Publication number
BR7706742A
BR7706742A BR7706742A BR7706742A BR7706742A BR 7706742 A BR7706742 A BR 7706742A BR 7706742 A BR7706742 A BR 7706742A BR 7706742 A BR7706742 A BR 7706742A BR 7706742 A BR7706742 A BR 7706742A
Authority
BR
Brazil
Prior art keywords
measurement
installation
electronic watch
operating accuracy
accuracy
Prior art date
Application number
BR7706742A
Other languages
English (en)
Inventor
M Stein
Original Assignee
Quarz Zeit Ag
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 Quarz Zeit Ag filed Critical Quarz Zeit Ag
Publication of BR7706742A publication Critical patent/BR7706742A/pt

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
    • G04D7/1214—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring for complete clockworks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Tests Of Electronic Circuits (AREA)
BR7706742A 1976-10-15 1977-10-10 Processo e instalacao para a medida da exatidao de funcionamento de um relogio eletronico BR7706742A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2646511A DE2646511C3 (de) 1976-10-15 1976-10-15 Verfahren und Einrichtung zum Messen der Ganggenauigkeit einer elektronischen Uhr

Publications (1)

Publication Number Publication Date
BR7706742A true BR7706742A (pt) 1978-08-01

Family

ID=5990487

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7706742A BR7706742A (pt) 1976-10-15 1977-10-10 Processo e instalacao para a medida da exatidao de funcionamento de um relogio eletronico

Country Status (7)

Country Link
US (1) US4142147A (pt)
JP (1) JPS5350771A (pt)
BR (1) BR7706742A (pt)
DE (1) DE2646511C3 (pt)
FR (1) FR2368072A1 (pt)
GB (1) GB1570745A (pt)
IT (1) IT1087062B (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140939A (en) * 1983-04-13 1984-12-05 John Henry Noble Timepiece regulating system
US12000886B2 (en) * 2017-12-04 2024-06-04 Aktiebolaget Skf Self-test circuit and a method of checking the integrity of a signal through a signal path

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3013208A (en) * 1959-02-12 1961-12-12 Voznak Edwin Means for improving the resolution of a digital timer
US3777547A (en) * 1970-07-22 1973-12-11 Denshi Kohgyo Co Ltd Time rate measuring system for clocks and watches

Also Published As

Publication number Publication date
JPS5350771A (en) 1978-05-09
US4142147A (en) 1979-02-27
DE2646511B2 (de) 1978-11-02
DE2646511A1 (de) 1978-04-20
IT1087062B (it) 1985-05-31
FR2368072B3 (pt) 1980-05-16
GB1570745A (en) 1980-07-09
DE2646511C3 (de) 1979-07-12
FR2368072A1 (fr) 1978-05-12

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