CH609197B - Appareil pour la mesure digitale des erreurs de marche d'une montre. - Google Patents

Appareil pour la mesure digitale des erreurs de marche d'une montre.

Info

Publication number: CH609197B
Authority: CH; Switzerland
Prior art keywords: time error; stepping; watch; sensed; series
Prior art date: 1973-04-09

Application number

CH493074A

Other languages

English (en)

Other versions

CH609197GA3 (fr

Inventor

Hiroshi Yanagawa

Shingo Ichikawa

Original Assignee

Citizen Watch Co Ltd

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.)

1973-04-09

Filing date

1974-04-09

Publication of CH609197B publication Critical patent/CH609197B/fr

1973-04-09 Priority claimed from JP4027073A external-priority patent/JPS56755B2/ja

1973-05-31 Priority claimed from JP6032073A external-priority patent/JPS582391B2/ja

1973-07-13 Priority claimed from JP7908373A external-priority patent/JPS5751075B2/ja

1974-04-09 Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd

1979-02-28 Publication of CH609197GA3 publication Critical patent/CH609197GA3/xx

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)
Measurement Of Unknown Time Intervals (AREA)
Electric Clocks (AREA)

CH493074A 1973-04-09 1974-04-09 Appareil pour la mesure digitale des erreurs de marche d'une montre. CH609197B (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP4027073A JPS56755B2 (fr)	1973-04-09	1973-04-09
JP6032073A JPS582391B2 (ja)	1973-05-31	1973-05-31	デジタル歩度測定器
JP7908373A JPS5751075B2 (fr)	1973-07-13	1973-07-13

Publications (2)

Publication Number	Publication Date
CH609197B true CH609197B (fr)
CH609197GA3 CH609197GA3 (fr)	1979-02-28

Family

ID=27290421

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH493074A CH609197B (fr)	1973-04-09	1974-04-09	Appareil pour la mesure digitale des erreurs de marche d'une montre.

Country Status (2)

Country	Link
US (1)	US3946592A (fr)
CH (1)	CH609197B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4028927A (en) *	1975-08-11	1977-06-14	Ricoh Watch Co., Ltd.	High precision timepiece pace measuring device
DE2556181C3 (de) *	1975-12-13	1979-09-27	Vdo Adolf Schindling Ag, 6000 Frankfurt	Verfahren und Schaltungsanordnung zum Messen der Ganggenauigkeit einer elektronischen Uhr
US4078420A (en) *	1976-02-27	1978-03-14	Time Computer, Inc.	Digital watch analyzer
US4031739A (en) *	1976-07-22	1977-06-28	Springer Barry R	Autoranging method and system for testing the speeds of a camera shutter
CH623196B (fr) *	1978-10-30		Portescap	Procede de mesure d'une grandeur caracteristique du fonctionnement d'un mouvement d'horlogerie et dispositif generateur d'impulsions de chronometrage destinees a la mise en oeuvre de ce procede.
US4224820A (en) *	1979-02-23	1980-09-30	Sitkewich W Jorge	Frequency deviation meter for timepieces
US4383432A (en) *	1981-05-11	1983-05-17	Hoxsie Nein T	Clock escapement monitor
AR091741A1 (es)	2012-07-13	2015-02-25	Sicpa Holding Sa	Metodo para autenticar un reloj
AR091742A1 (es)	2012-07-13	2015-02-25	Sicpa Holding Sa	Metodo para autenticar un reloj
EP2872950B1 (fr) *	2012-07-13	2017-12-06	Sicpa Holding SA	Procédé d'authentification d'une pièce d'horlogerie
US9717459B2 (en)	2013-03-04	2017-08-01	Anne Bibiana Sereno	Touch sensitive system and method for cognitive and behavioral testing and evaluation
WO2015025049A1 (fr)	2013-08-23	2015-02-26	Sicpa Holding Sa	Procédé et système d'authentification d'un dispositif
CH708942A2 (fr) *	2013-12-05	2015-06-15	Gaeatec S Rl	Dispositif de mesure de paramètres d'une montre, et montre comprenant un tel dispositif.
EP3812848B1 (fr)	2019-10-21	2023-07-05	The Swatch Group Research and Development Ltd	Dispositif de mesure pour montre mécanique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3370456A (en) *	1966-02-18	1968-02-27	Portescan Le Porte Echanpement	Timepiece testing apparatus
US3777547A (en) *	1970-07-22	1973-12-11	Denshi Kohgyo Co Ltd	Time rate measuring system for clocks and watches
US3805585A (en) *	1972-02-16	1974-04-23	S Palinkas	Timepiece testing device
US3811314A (en) *	1972-09-06	1974-05-21	A Anouchi	Time-interval rate meter for time measuring devices and method for checking time pieces

1974
- 1974-04-05 US US05/458,375 patent/US3946592A/en not_active Expired - Lifetime
- 1974-04-09 CH CH493074A patent/CH609197B/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
CH609197GA3 (fr)	1979-02-28
US3946592A (en)	1976-03-30

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Legal Events

Date	Code	Title	Description
2024-10-31	PL	Patent ceased