FR2298131A1 - Proced - Google Patents

Proced

Info

Publication number
FR2298131A1
FR2298131A1 FR7539105A FR7539105A FR2298131A1 FR 2298131 A1 FR2298131 A1 FR 2298131A1 FR 7539105 A FR7539105 A FR 7539105A FR 7539105 A FR7539105 A FR 7539105A FR 2298131 A1 FR2298131 A1 FR 2298131A1
Authority
FR
France
Prior art keywords
balance
measuring system
electrical signal
oscillation amplitude
repetition 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.)
Granted
Application number
FR7539105A
Other languages
English (en)
Other versions
FR2298131B1 (fr
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.)
Portescap SA
Original Assignee
Portescap SA
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 Portescap SA filed Critical Portescap SA
Publication of FR2298131A1 publication Critical patent/FR2298131A1/fr
Application granted granted Critical
Publication of FR2298131B1 publication Critical patent/FR2298131B1/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
    • G04D7/1235—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring for the control mechanism only (found from outside the clockwork)
    • G04D7/1242—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring for the control mechanism only (found from outside the clockwork) for measuring amplitude

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Electromechanical Clocks (AREA)
FR7539105A 1975-01-14 1975-12-19 Proced Granted FR2298131A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH40675A CH596600B5 (fr) 1975-01-14 1975-01-14

Publications (2)

Publication Number Publication Date
FR2298131A1 true FR2298131A1 (fr) 1976-08-13
FR2298131B1 FR2298131B1 (fr) 1979-01-19

Family

ID=4186301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7539105A Granted FR2298131A1 (fr) 1975-01-14 1975-12-19 Proced

Country Status (4)

Country Link
JP (1) JPS5195878A (fr)
CH (2) CH40675A4 (fr)
DE (1) DE2600931C3 (fr)
FR (1) FR2298131A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2881809A1 (fr) * 2013-12-03 2015-06-10 Witschi Electronic AG Procédé et appareil de mesure de la fréquence et de l'amplitude des oscillations d'un oscillateur mécanique de mouvement horloger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2881809A1 (fr) * 2013-12-03 2015-06-10 Witschi Electronic AG Procédé et appareil de mesure de la fréquence et de l'amplitude des oscillations d'un oscillateur mécanique de mouvement horloger

Also Published As

Publication number Publication date
DE2600931C3 (de) 1980-10-09
CH40675A4 (fr) 1977-04-29
DE2600931A1 (de) 1976-07-15
FR2298131B1 (fr) 1979-01-19
JPS5195878A (fr) 1976-08-23
CH596600B5 (fr) 1978-03-15
DE2600931B2 (de) 1980-02-21

Similar Documents

Publication Publication Date Title
GB1344315A (en) Acoustic emission crack monitor
GB1379623A (en) Receiver apparatus
FR2298131A1 (fr) Proced
CH608683GA3 (fr)
JPS6426164A (en) Speed detecting device
GB1525818A (en) Alarm generating apparatus
SU875224A2 (ru) Электронный эргометр
JPS56130664A (en) Frequency measuring system
JPS5443778A (en) Drive of electronic wrist watch with alarm
GB770035A (en) Improvements in or relating to apparatus for the evaluation of low frequencies
JPS5498651A (en) Alarm watch with pulse rate meter
SU1462209A1 (ru) Устройство дл измерени частоты заполнени пачек импульсов
JPS55149014A (en) Ultrasonic current meter
FR2256462A1 (en) Timing circuit for period between successive events - supplies signals representing each event to amplitude discriminator
SU964570A1 (ru) Устройство дл измерени интервалов времени
GB1436840A (en) Timing device
GB1136602A (en) Improvements in thickness-measuring apparatus
SU1116316A1 (ru) Ультразвуковой безэталонный толщиномер
JPS5730968A (en) Echo sounder
SU1427286A1 (ru) Устройство дл измерени времени распространени ультразвука в материалах
SU514236A1 (ru) Способ непрерывной регистрации времени распространени ультразвуковых колебаний в веществе
SU1270743A1 (ru) Электронные часы с боем
SU790175A1 (ru) Рефлексометр
SU731377A1 (ru) Прибор дл измерени длительности фронта импульсов ударного ускорени
SU1101865A1 (ru) Преобразователь угла поворота вала в код

Legal Events

Date Code Title Description
ST Notification of lapse