DE7031753U - Piezoelektrisches kontakmikrophon. - Google Patents

Piezoelektrisches kontakmikrophon.

Info

Publication number
DE7031753U
DE7031753U DE7031753U DE7031753U DE7031753U DE 7031753 U DE7031753 U DE 7031753U DE 7031753 U DE7031753 U DE 7031753U DE 7031753 U DE7031753 U DE 7031753U DE 7031753 U DE7031753 U DE 7031753U
Authority
DE
Germany
Prior art keywords
piezoelectric
piezoelectric element
microphone
contact microphone
clockwork
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.)
Expired
Application number
DE7031753U
Other languages
German (de)
English (en)
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 DE7031753U publication Critical patent/DE7031753U/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D1/00—Gripping, holding, or supporting devices
    • G04D1/06—Supporting devices for clockworks or parts of time-pieces
    • G04D1/063—Supporting devices for clockworks or parts of time-pieces provided with a pick-up means, e.g. microphone
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/02—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Electric Clocks (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
DE7031753U 1969-08-27 1970-08-25 Piezoelektrisches kontakmikrophon. Expired DE7031753U (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1310169A CH541183A (fr) 1969-08-27 1969-08-27 Microphone piézo-électrique à contact pour appareil de contrôle d'un mouvement d'horlogerie

Publications (1)

Publication Number Publication Date
DE7031753U true DE7031753U (de) 1970-11-26

Family

ID=4389302

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7031753U Expired DE7031753U (de) 1969-08-27 1970-08-25 Piezoelektrisches kontakmikrophon.

Country Status (6)

Country Link
US (1) US3690144A (enExample)
CH (2) CH541183A (enExample)
DE (1) DE7031753U (enExample)
FR (1) FR2059696B1 (enExample)
GB (1) GB1320576A (enExample)
SU (1) SU471743A3 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802251A (en) * 1971-10-28 1974-04-09 Becker Kg H Method and apparatus for testing a watch for tightness
AT334118B (de) * 1975-07-15 1976-12-27 Gao Ges Automation Org Messvorrichtung zum messen von dickenunterschieden in aufzeichnungstragern, wie banknoten u.dgl.
US4224820A (en) * 1979-02-23 1980-09-30 Sitkewich W Jorge Frequency deviation meter for timepieces
US4665735A (en) * 1985-12-02 1987-05-19 Dittmar Norman R Device for detecting metallic ticking sounds
US8266451B2 (en) * 2001-08-31 2012-09-11 Gemalto Sa Voice activated smart card
DE10338932B4 (de) * 2003-08-21 2009-10-15 Elma Hans Schmidbauer Gmbh & Co. Kg Verfahren zum automatischen Aufziehen einer Uhr
AR091741A1 (es) 2012-07-13 2015-02-25 Sicpa Holding Sa Metodo para autenticar un reloj
US20150309478A1 (en) * 2012-07-13 2015-10-29 Sicpa Holding Sa A method for authenticating a timepiece
AR091742A1 (es) 2012-07-13 2015-02-25 Sicpa Holding Sa Metodo para autenticar un reloj
TW201531672A (zh) 2013-08-23 2015-08-16 Sicpa Holding Sa 用於認證裝置的方法及系統
EP3611575B1 (en) * 2018-08-14 2024-07-17 Invoxia Computer-implemented method and system for diagnosing mechanical default of a mechanical watch, and mechanical watch for implementing said method
EP3812847B1 (fr) * 2019-10-21 2022-06-15 The Swatch Group Research and Development Ltd Système de mesure pour plusieurs mouvements horlogers mécaniques
EP3812848B1 (fr) * 2019-10-21 2023-07-05 The Swatch Group Research and Development Ltd Dispositif de mesure pour montre mécanique
EP4375766A1 (fr) * 2022-11-24 2024-05-29 Omega SA Support de mesure pour mouvement d'horlogerie

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2175021A (en) * 1937-02-08 1939-10-03 Thomas B Gibbs Microphonic apparatus
US2561084A (en) * 1946-05-01 1951-07-17 Borg George W Corp Piezoelectric microphone
US3026708A (en) * 1957-08-13 1962-03-27 Marti Frederic Microphone for apparatus to check the rate of timepieces
CH1133364A4 (enExample) * 1964-08-31 1966-10-31

Also Published As

Publication number Publication date
SU471743A3 (ru) 1975-05-25
GB1320576A (en) 1973-06-13
CH1310169A4 (enExample) 1973-04-30
CH541183A (fr) 1973-04-30
FR2059696B1 (enExample) 1973-12-21
FR2059696A1 (enExample) 1971-06-04
US3690144A (en) 1972-09-12

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