NL75477C - - Google Patents

Info

Publication number
NL75477C
NL75477C NL146901A NL146901A NL75477C NL 75477 C NL75477 C NL 75477C NL 146901 A NL146901 A NL 146901A NL 146901 A NL146901 A NL 146901A NL 75477 C NL75477 C NL 75477C
Authority
NL
Netherlands
Application number
NL146901A
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 filed Critical
Application granted granted Critical
Publication of NL75477C publication Critical patent/NL75477C/xx

Links

Classifications

    • 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
    • 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
    • G04C3/12—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 piezoelectric means; driven by magneto-strictive means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H57/00—Electrostrictive relays; Piezoelectric relays
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
NL146901A 1948-06-12 1949-06-09 NL75477C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32594A US2497108A (en) 1948-06-12 1948-06-12 Electromechanical transducer

Publications (1)

Publication Number Publication Date
NL75477C true NL75477C (de) 1954-08-16

Family

ID=21865755

Family Applications (1)

Application Number Title Priority Date Filing Date
NL146901A NL75477C (de) 1948-06-12 1949-06-09

Country Status (6)

Country Link
US (1) US2497108A (de)
BE (1) BE489592A (de)
CH (1) CH281793A (de)
FR (1) FR988239A (de)
GB (1) GB663422A (de)
NL (1) NL75477C (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2596494A (en) * 1948-06-12 1952-05-13 Brush Dev Co Ceramic electromechanical transducer
US2716708A (en) * 1950-11-17 1955-08-30 Nat Res Dev Apparatus for launching ultrasonic waves
US2824980A (en) * 1952-03-14 1958-02-25 Erie Resistor Corp Piezoelectric transducers
US2714642A (en) * 1952-07-10 1955-08-02 Bell Telephone Labor Inc High speed relay of electromechanical transducer material
GB738939A (en) * 1952-10-30 1955-10-19 Gen Electric Improvements relating to piezo-electric devices
US2841722A (en) * 1953-03-18 1958-07-01 Clevite Corp Bending-responsive electromechanical transducer device
US2836737A (en) * 1953-07-20 1958-05-27 Electric Machinery Mfg Co Piezoelectric transducer
US2800551A (en) * 1953-09-17 1957-07-23 Electric Machinery Mfg Co Relay
US2892107A (en) * 1953-12-21 1959-06-23 Clevite Corp Cellular ceramic electromechanical transducers
US2883486A (en) * 1954-03-09 1959-04-21 Bell Telephone Labor Inc Piezoelectric switching device
DE1031638B (de) * 1954-10-12 1958-06-04 Salfret Ltd Elektrisch angetriebene Membranpumpe, insbesondere fuer Fluessigkeiten
US2924981A (en) * 1957-11-25 1960-02-16 Ibm Electrostrictive positioning device
US3043921A (en) * 1958-10-13 1962-07-10 Clairex Corp Piezoelectric transducer for stereophonic phonograph pickup
US3211931A (en) * 1962-12-10 1965-10-12 Gen Electric Electromechanical transducer motors
US3405289A (en) * 1965-06-04 1968-10-08 Gikow Emanuel Switch
US3405246A (en) * 1966-08-26 1968-10-08 Singer Inc H R B Ultrasonic switch for high speed electrical switching
US3989964A (en) * 1976-08-05 1976-11-02 The United States Of America As Represented By The Secretary Of The Army Piezoelectric switch activating means
DE3626507A1 (de) * 1985-08-06 1987-02-19 Canon Kk Betaetigungsvorrichtung
JP2905643B2 (ja) * 1992-05-29 1999-06-14 住友重機械工業株式会社 圧電リニアアクチュエータ
WO1998005080A1 (en) * 1996-07-25 1998-02-05 Materials Systems Incorporated Multilayer piezoelectric ceramic transducer and fabrication method
US6107726A (en) * 1997-07-25 2000-08-22 Materials Systems, Inc. Serpentine cross-section piezoelectric linear actuator
DE19814697C1 (de) * 1998-04-01 1999-10-21 Doru Constantin Lupasco Piezoelektrischer Aktor und Verfahren zu seiner Herstellung
US6713944B2 (en) * 2002-01-02 2004-03-30 Omron Corporation Actuator and method of manufacturing a strain element
DE102005016960A1 (de) * 2005-04-13 2006-10-19 Deutsches Zentrum für Luft- und Raumfahrt e.V. Linearaktor mit aktiven Elementen

Also Published As

Publication number Publication date
GB663422A (en) 1951-12-19
US2497108A (en) 1950-02-14
FR988239A (fr) 1951-08-24
CH281793A (de) 1952-03-31
BE489592A (de) 1949-12-13

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