FR2164875B1 - - Google Patents

Info

Publication number
FR2164875B1
FR2164875B1 FR7245906A FR7245906A FR2164875B1 FR 2164875 B1 FR2164875 B1 FR 2164875B1 FR 7245906 A FR7245906 A FR 7245906A FR 7245906 A FR7245906 A FR 7245906A FR 2164875 B1 FR2164875 B1 FR 2164875B1
Authority
FR
France
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.)
Expired
Application number
FR7245906A
Other versions
FR2164875A1 (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.)
Diehl Verwaltungs Stiftung
Original Assignee
Diehl GmbH and Co
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 Diehl GmbH and Co filed Critical Diehl GmbH and Co
Publication of FR2164875A1 publication Critical patent/FR2164875A1/fr
Application granted granted Critical
Publication of FR2164875B1 publication Critical patent/FR2164875B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/0002—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe
    • G04D3/0035—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for components of the regulating mechanism
    • G04D3/0038—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for components of the regulating mechanism for balances
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/10—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
    • G04C3/101—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means constructional details
    • G04C3/107—Controlling frequency or amplitude of the oscillating system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/42—Piezoelectric device making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49004—Electrical device making including measuring or testing of device or component part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49009—Dynamoelectric machine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4957—Sound device making

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
FR7245906A 1971-12-24 1972-12-22 Expired FR2164875B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2164643A DE2164643B2 (de) 1971-12-24 1971-12-24 Verfahren und Werkzeug zum Abgleichen der Frequenz und/oder Frequenzsymmetrie mehrschenkliger Transversalschwinger

Publications (2)

Publication Number Publication Date
FR2164875A1 FR2164875A1 (fr) 1973-08-03
FR2164875B1 true FR2164875B1 (fr) 1975-09-12

Family

ID=5829269

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7245906A Expired FR2164875B1 (fr) 1971-12-24 1972-12-22

Country Status (6)

Country Link
US (1) US3851385A (fr)
JP (1) JPS4874216A (fr)
CH (2) CH1825272A4 (fr)
DE (1) DE2164643B2 (fr)
FR (1) FR2164875B1 (fr)
GB (1) GB1405927A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992760A (en) * 1974-09-17 1976-11-23 General Electric Company Apparatus and process for measuring the resonant frequency and coefficient of coupling of a plurality of coupled piezoelectric resonators

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2806400A (en) * 1954-03-10 1957-09-17 Philamon Lab Inc Tuning forks
FR1277362A (fr) * 1960-10-18 1961-12-01 R Constant Soc D Expl Des Ets Diapason compensé
US3106124A (en) * 1961-07-21 1963-10-08 Melpar Inc Tuning forks
US3230614A (en) * 1963-06-13 1966-01-25 Musikinstrumentenbau Musima Ve Method and apparatus for automatically tuning mechanical frequency sources
US3759133A (en) * 1972-01-24 1973-09-18 Bunker Ramo Vibrator structure and method and apparatus for adjusting the frequency thereof
US3760482A (en) * 1972-05-18 1973-09-25 Suwa Seikosha Kk Method of adjusting frequency of tuning fork type vibrator

Also Published As

Publication number Publication date
DE2164643B2 (de) 1975-11-06
US3851385A (en) 1974-12-03
CH566050A (fr) 1975-08-29
JPS4874216A (fr) 1973-10-06
GB1405927A (en) 1975-09-10
FR2164875A1 (fr) 1973-08-03
CH1825272A4 (fr) 1975-03-14
DE2164643A1 (de) 1973-07-12

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Legal Events

Date Code Title Description
ST Notification of lapse