NL81373C - - Google Patents

Info

Publication number
NL81373C
NL81373C NL81373DA NL81373C NL 81373 C NL81373 C NL 81373C NL 81373D A NL81373D A NL 81373DA NL 81373 C NL81373 C NL 81373C
Authority
NL
Netherlands
Application number
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.)
Publication of NL81373C publication Critical patent/NL81373C/xx

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/01—Manufacture or treatment
    • H10N30/04—Treatments to modify a piezoelectric or electrostrictive property, e.g. polarisation characteristics, vibration characteristics or mode tuning
    • H10N30/045—Treatments to modify a piezoelectric or electrostrictive property, e.g. polarisation characteristics, vibration characteristics or mode tuning by polarising
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
    • H10N30/2041—Beam type
    • H10N30/2042—Cantilevers, i.e. having one fixed end
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Transducers For Ultrasonic Waves (AREA)
NL81373D 1947-12-26 NL81373C (US07122603-20061017-C00294.png)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US793892A US2540412A (en) 1947-12-26 1947-12-26 Piezoelectric transducer and method for producing same
US159613A US2540187A (en) 1947-12-26 1950-05-02 Piezoelectric transducer and method for producing same
US159620A US2540194A (en) 1947-12-26 1950-05-02 Piezoelectric transducer and method for producing same

Publications (1)

Publication Number Publication Date
NL81373C true NL81373C (US07122603-20061017-C00294.png)

Family

ID=27388335

Family Applications (1)

Application Number Title Priority Date Filing Date
NL81373D NL81373C (US07122603-20061017-C00294.png) 1947-12-26

Country Status (5)

Country Link
US (4) US2540412A (US07122603-20061017-C00294.png)
CH (1) CH282519A (US07122603-20061017-C00294.png)
FR (1) FR976455A (US07122603-20061017-C00294.png)
GB (1) GB701962A (US07122603-20061017-C00294.png)
NL (1) NL81373C (US07122603-20061017-C00294.png)

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US2944117A (en) * 1955-06-20 1960-07-05 Erie Resistor Corp Bender type piezoelectric transducer
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US3376572A (en) * 1966-09-15 1968-04-02 Rca Corp Electroacoustic wave shaping device
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US3523200A (en) * 1968-02-28 1970-08-04 Westinghouse Electric Corp Surface wave piezoelectric resonator
US3487239A (en) * 1968-12-10 1969-12-30 Motorola Inc Piezoelectric transformer
US3543058A (en) * 1969-11-10 1970-11-24 Westinghouse Electric Corp Piezoelectric transducer
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US3900748A (en) * 1972-01-31 1975-08-19 Zenith Radio Corp Torsional ceramic transducer
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USRE29113E (en) * 1972-04-19 1977-01-11 Rca Corporation Triangular piezoelectric transducer for recording video information
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US5310511A (en) * 1992-03-24 1994-05-10 Eastman Kodak Company Method and apparatus for poling a planar polarizable body
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JP5430367B2 (ja) 2009-11-26 2014-02-26 キヤノン株式会社 塵埃除去装置および塵埃除去方法
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Family Cites Families (3)

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US2242756A (en) * 1939-02-11 1941-05-20 Bell Telephone Labor Inc Piezoelectric device
US2281778A (en) * 1940-10-19 1942-05-05 Bell Telephone Labor Inc Piezoelectric crystal apparatus
US2486560A (en) * 1946-09-20 1949-11-01 Erie Resistor Corp Transducer and method of making the same

Also Published As

Publication number Publication date
USRE23813E (en) 1954-04-20
US2540187A (en) 1951-02-06
CH282519A (de) 1952-04-30
GB701962A (en) 1954-01-06
US2540194A (en) 1951-02-06
FR976455A (fr) 1951-03-19
US2540412A (en) 1951-02-06

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