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)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Electric Clocks (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measuring Fluid Pressure (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 (xx)
CH (2) CH541183A (xx)
DE (1) DE7031753U (xx)
FR (1) FR2059696B1 (xx)
GB (1) GB1320576A (xx)
SU (1) SU471743A3 (xx)

Families Citing this family (13)

* 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
CN104471492B (zh) * 2012-07-13 2017-08-08 锡克拜控股有限公司 鉴定计时器的方法和系统
AR091741A1 (es) 2012-07-13 2015-02-25 Sicpa Holding Sa Metodo para autenticar un reloj
TW201415022A (zh) 2012-07-13 2014-04-16 Sicpa Holding Sa 用於鑑定計時器真僞的方法
US20150053006A1 (en) 2013-08-23 2015-02-26 Sicpa Holding Sa Method and system for authenticating using a quartz oscillator
EP3611575A1 (en) * 2018-08-14 2020-02-19 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

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 (xx) * 1964-08-31 1966-10-31

Also Published As

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

Similar Documents

Publication Publication Date Title
DE7031753U (de) Piezoelektrisches kontakmikrophon.
EP0223026A2 (de) Positioniervorrichtung für eine Elektrode
DE3928733C2 (de) Manometer mit schraubenförmig aufgewickelten Bourdonrohrspulen
DE2927361C2 (de) Elektrodenanordnung
DE2910302A1 (de) Vorrichtung zur messung der pulsfrequenz
DE1773392A1 (de) Aufzieh- und Einstellkrone fuer eine Taucherarmbanduhr
AT261934B (de) Piezoelektrischer Druckgeber
DE719985C (de) Kupplung fuer Seile mit einer Verdickung am Ende
AT254294B (de) Druckelektrischer Wandler, insbesondere Mikrophon
AT222903B (de) Tonarm für Plattenspieler
DE1244662B (de) Uhr mit zweiteiliger Aufziehwelle
DE973581C (de) Kapazitiver elektroakustischer Wandler, vorzugsweise kapazitives Mikrofon
DE865997C (de) Vorrichtung zur Schallbehandlung
DE1709698U (de) Armbanduhrgehaeuse.
AT251913B (de) Piezoelektrische Meßwandler-Verstärkerkombination
DE321197C (de) Stellvorrichtung mit Federsicherung fuer Pendeluhren
DE880660C (de) Druckmessvorrichtung fuer Strangpressen zum Brikettieren von Braunkohle
AT43007B (de) Grusmikrophon mit an der Schallplatte befestigter hohler Elektrode.
AT211118B (de) Zahnkupplung
DE936877C (de) Kapselmikrofon
DE970135C (de) Kapselmikrophon, dessen die Kohlegriesskammer enthaltendes Gehaeuse aus einem Kunststoffkoerper besteht
AT80947B (de) Schallverstärker für Plattensprechmaschinen o. dglSchallverstärker für Plattensprechmaschinen o. dgl. .
DE812929C (de) Mechanisch-elektrischer Schwingungsumsetzer, insbesondere Mikrophon oder Tonabnehmer
AT38858B (de) Mikrophon.
DE331392C (de) Reibungspuffer