FR2324043A1 - Procede et appareil pour verifier la precision d'une montre electronique - Google Patents

Procede et appareil pour verifier la precision d'une montre electronique

Info

Publication number
FR2324043A1
FR2324043A1 FR7400834A FR7400834A FR2324043A1 FR 2324043 A1 FR2324043 A1 FR 2324043A1 FR 7400834 A FR7400834 A FR 7400834A FR 7400834 A FR7400834 A FR 7400834A FR 2324043 A1 FR2324043 A1 FR 2324043A1
Authority
FR
France
Prior art keywords
sensor
electrode
oscillator
condenser
verifying
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.)
Granted
Application number
FR7400834A
Other languages
English (en)
French (fr)
Other versions
FR2324043B1 (US06330241-20011211-M00004.png
Inventor
Yoshihiko Yanagawa
Shizuo Yamaguchi
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.)
Citizen Watch Co Ltd
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.)
Filing date
Publication date
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of FR2324043A1 publication Critical patent/FR2324043A1/fr
Application granted granted Critical
Publication of FR2324043B1 publication Critical patent/FR2324043B1/fr
Granted legal-status Critical Current

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
    • 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
    • G04D7/002—Electrical measuring and testing apparatus
    • G04D7/003—Electrical measuring and testing apparatus for electric or electronic clocks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
FR7400834A 1973-01-10 1974-01-10 Procede et appareil pour verifier la precision d'une montre electronique Granted FR2324043A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP579173A JPS5331631B2 (US06330241-20011211-M00004.png) 1973-01-10 1973-01-10

Publications (2)

Publication Number Publication Date
FR2324043A1 true FR2324043A1 (fr) 1977-04-08
FR2324043B1 FR2324043B1 (US06330241-20011211-M00004.png) 1979-06-29

Family

ID=11620897

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7400834A Granted FR2324043A1 (fr) 1973-01-10 1974-01-10 Procede et appareil pour verifier la precision d'une montre electronique

Country Status (7)

Country Link
US (1) US3946591A (US06330241-20011211-M00004.png)
JP (1) JPS5331631B2 (US06330241-20011211-M00004.png)
CH (1) CH619102B (US06330241-20011211-M00004.png)
DE (1) DE2400603C3 (US06330241-20011211-M00004.png)
FR (1) FR2324043A1 (US06330241-20011211-M00004.png)
GB (1) GB1445600A (US06330241-20011211-M00004.png)
HK (1) HK44777A (US06330241-20011211-M00004.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5098368A (US06330241-20011211-M00004.png) * 1973-12-26 1975-08-05
JPS50127667A (US06330241-20011211-M00004.png) * 1974-03-27 1975-10-07
JPS5144961A (ja) * 1974-10-16 1976-04-16 Seiko Instr & Electronics Denkaikudogatahyojisochino hyojijikokusokuteisochi
JPS5170569U (US06330241-20011211-M00004.png) * 1974-10-25 1976-06-03
CH1451074A4 (US06330241-20011211-M00004.png) * 1974-10-30 1976-10-29
JPS5188257A (en) * 1975-01-31 1976-08-02 Denshidokeino kankyuchoseisochi
JPS528863A (en) * 1975-07-09 1977-01-24 Ricoh Elemex Corp Pace detector for an electronic clock
US4078420A (en) * 1976-02-27 1978-03-14 Time Computer, Inc. Digital watch analyzer
JPS52157862U (US06330241-20011211-M00004.png) * 1976-05-24 1977-11-30
JPS53107366A (en) * 1977-03-01 1978-09-19 Citizen Watch Co Ltd Electronic watch having matrix drive display
JPS5475768U (US06330241-20011211-M00004.png) * 1978-10-27 1979-05-29
JPS55116291A (en) * 1979-02-28 1980-09-06 Seiko Epson Corp Electronic wrist watch with alarm
US4403869A (en) * 1980-08-18 1983-09-13 Timex Corporation Electro-optic identifiction code system in a timepiece
WO2021146596A1 (en) * 2020-01-16 2021-07-22 Matthew Hartensveld Capacitive control of electrostatic field effect optoelectronic device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1548092A1 (de) * 1966-10-13 1970-04-02 Reinhard Fabian Zeitwaage

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1049315B (US06330241-20011211-M00004.png) * 1952-04-09 1959-01-22
US2931217A (en) * 1955-10-27 1960-04-05 William K Squires Electronic timing apparatus
GB1033824A (en) * 1961-07-26 1966-06-22 Altair Electronics Ltd Improvements in devices for checking the accuracy of watches, clocks and like timepieces
US3756013A (en) * 1970-05-06 1973-09-04 Hmw Industries Solid state watch
US3886726A (en) * 1972-06-19 1975-06-03 Texas Instruments Inc Electronic time keeping system
US3811314A (en) * 1972-09-06 1974-05-21 A Anouchi Time-interval rate meter for time measuring devices and method for checking time pieces

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1548092A1 (de) * 1966-10-13 1970-04-02 Reinhard Fabian Zeitwaage

Also Published As

Publication number Publication date
DE2400603A1 (de) 1974-07-11
CH619102B (de)
CH619102GA3 (US06330241-20011211-M00004.png) 1980-09-15
FR2324043B1 (US06330241-20011211-M00004.png) 1979-06-29
GB1445600A (en) 1976-08-11
JPS5331631B2 (US06330241-20011211-M00004.png) 1978-09-04
HK44777A (en) 1977-09-09
DE2400603B2 (de) 1977-11-03
JPS4994363A (US06330241-20011211-M00004.png) 1974-09-07
DE2400603C3 (de) 1978-06-22
US3946591A (en) 1976-03-30

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Legal Events

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