DK130560B - Piezoelectric transducer. - Google Patents

Piezoelectric transducer.

Info

Publication number
DK130560B
DK130560B DK418470AA DK418470A DK130560B DK 130560 B DK130560 B DK 130560B DK 418470A A DK418470A A DK 418470AA DK 418470 A DK418470 A DK 418470A DK 130560 B DK130560 B DK 130560B
Authority
DK
Denmark
Prior art keywords
piezoelectric transducer
piezoelectric
transducer
Prior art date
Application number
DK418470AA
Other languages
Danish (da)
Other versions
DK130560C (en
Inventor
H W Schafft
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of DK130560B publication Critical patent/DK130560B/en
Application granted granted Critical
Publication of DK130560C publication Critical patent/DK130560C/da

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/05—Holders; Supports
    • H03H9/09—Elastic or damping supports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
DK418470AA 1969-09-23 1970-08-14 Piezoelectric transducer. DK130560B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86021869A 1969-09-23 1969-09-23

Publications (2)

Publication Number Publication Date
DK130560B true DK130560B (en) 1975-03-03
DK130560C DK130560C (en) 1975-08-18

Family

ID=25332746

Family Applications (1)

Application Number Title Priority Date Filing Date
DK418470AA DK130560B (en) 1969-09-23 1970-08-14 Piezoelectric transducer.

Country Status (9)

Country Link
US (1) US3588552A (en)
JP (1) JPS4944658B1 (en)
DE (2) DE7035291U (en)
DK (1) DK130560B (en)
ES (1) ES383842A1 (en)
FR (1) FR2062964B3 (en)
GB (1) GB1284966A (en)
IL (1) IL35230A (en)
NL (1) NL7014052A (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1006969A (en) * 1973-07-26 1977-03-15 Lyle E. Shoot Piezoelectric transducer
US3948089A (en) * 1973-10-12 1976-04-06 Westinghouse Electric Corporation Strain gauge apparatus
FR2282677A1 (en) * 1974-08-22 1976-03-19 Tretiakoff Oleg POCKET ELECTRONIC CALCULATOR FOR THE BLIND
JPS51130216A (en) * 1975-05-07 1976-11-12 Matsushita Electric Ind Co Ltd Electromechanical transducer
JPS5254419A (en) * 1975-10-29 1977-05-02 Pioneer Electronic Corp Electroacoustic transducer
DE3169146D1 (en) * 1980-11-07 1985-04-04 Hitachi Ltd Piezoelectric ceramic transducer
GB2155731A (en) * 1983-11-01 1985-09-25 John David Gregson Ultrasonic transducers
US4675960A (en) * 1985-12-30 1987-06-30 Motorola, Inc. Method of manufacturing an electrically variable piezoelectric hybrid capacitor
JPS6367448U (en) * 1986-06-27 1988-05-06
JP3120260B2 (en) * 1992-12-26 2000-12-25 日本碍子株式会社 Piezoelectric / electrostrictive film type element
US5471721A (en) * 1993-02-23 1995-12-05 Research Corporation Technologies, Inc. Method for making monolithic prestressed ceramic devices
US5632841A (en) * 1995-04-04 1997-05-27 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Thin layer composite unimorph ferroelectric driver and sensor
JP3768789B2 (en) * 2000-09-07 2006-04-19 アルプス電気株式会社 Ultrasonic vibrator, wet processing nozzle and wet processing apparatus
DE50204498D1 (en) * 2001-01-31 2005-11-17 Caterpillar Inc Piezoelectric actuator
US7681290B2 (en) * 2006-10-20 2010-03-23 The Boeing Company Piezoelectric bimorph beam manufacturing method
DE102008011414A1 (en) * 2008-02-27 2009-09-10 Continental Automotive Gmbh Method for polarizing a piezoceramic
US9769570B2 (en) 2015-03-31 2017-09-19 Bose Corporation Acoustic diaphragm
US9743190B2 (en) 2015-03-31 2017-08-22 Bose Corporation Acoustic diaphragm
CN109935223B (en) * 2017-12-19 2021-04-20 北京长城电子装备有限责任公司 Ultra-small-size low-frequency transmitting transducer

Also Published As

Publication number Publication date
IL35230A0 (en) 1970-11-30
JPS4944658B1 (en) 1974-11-29
NL7014052A (en) 1971-03-25
US3588552A (en) 1971-06-28
DK130560C (en) 1975-08-18
FR2062964B3 (en) 1973-06-08
GB1284966A (en) 1972-08-09
DE2046901B2 (en) 1972-02-17
FR2062964A7 (en) 1971-07-02
IL35230A (en) 1974-03-14
ES383842A1 (en) 1973-03-01
DE7035291U (en) 1971-02-25
DE2046901A1 (en) 1971-04-22

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