GB1284966A - Improvements in or relating to a piezoelectric transducer and method of making same - Google Patents

Improvements in or relating to a piezoelectric transducer and method of making same

Info

Publication number
GB1284966A
GB1284966A GB40319/70A GB4031970A GB1284966A GB 1284966 A GB1284966 A GB 1284966A GB 40319/70 A GB40319/70 A GB 40319/70A GB 4031970 A GB4031970 A GB 4031970A GB 1284966 A GB1284966 A GB 1284966A
Authority
GB
United Kingdom
Prior art keywords
disc
electrodes
ring
cemented
perimeter
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
GB40319/70A
Other languages
English (en)
Inventor
Hugo Willy Schafft
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.)
Motorola Solutions Inc
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 GB1284966A publication Critical patent/GB1284966A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00Piezoelectric transducers; Electrostrictive transducers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02Details
    • H03H9/05Holders or supports
    • H03H9/09Elastic or damping supports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003Apparatus 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)
GB40319/70A 1969-09-23 1970-08-21 Improvements in or relating to a piezoelectric transducer and method of making same Expired GB1284966A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1284966A true GB1284966A (en) 1972-08-09

Family

ID=25332746

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40319/70A Expired GB1284966A (en) 1969-09-23 1970-08-21 Improvements in or relating to a piezoelectric transducer and method of making same

Country Status (9)

Country Link
US (1) US3588552A (enrdf_load_stackoverflow)
JP (1) JPS4944658B1 (enrdf_load_stackoverflow)
DE (2) DE2046901B2 (enrdf_load_stackoverflow)
DK (1) DK130560B (enrdf_load_stackoverflow)
ES (1) ES383842A1 (enrdf_load_stackoverflow)
FR (1) FR2062964B3 (enrdf_load_stackoverflow)
GB (1) GB1284966A (enrdf_load_stackoverflow)
IL (1) IL35230A (enrdf_load_stackoverflow)
NL (1) NL7014052A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155731A (en) * 1983-11-01 1985-09-25 John David Gregson Ultrasonic transducers
DE102008011414A1 (de) * 2008-02-27 2009-09-10 Continental Automotive Gmbh Verfahren zum Polarisieren einer Piezokeramik

Families Citing this family (17)

* 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 (fr) * 1974-08-22 1976-03-19 Tretiakoff Oleg Calculatrice electronique de poche pour aveugles
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
US4675960A (en) * 1985-12-30 1987-06-30 Motorola, Inc. Method of manufacturing an electrically variable piezoelectric hybrid capacitor
JPS6367448U (enrdf_load_stackoverflow) * 1986-06-27 1988-05-06
JP3120260B2 (ja) * 1992-12-26 2000-12-25 日本碍子株式会社 圧電/電歪膜型素子
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 (ja) * 2000-09-07 2006-04-19 アルプス電気株式会社 超音波振動子及びウエット処理用ノズル並びにウエット処理装置
ATE306635T1 (de) * 2001-01-31 2005-10-15 Caterpillar Inc Piezoelektrischer aktor
US7681290B2 (en) * 2006-10-20 2010-03-23 The Boeing Company Piezoelectric bimorph beam manufacturing method
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 (zh) * 2017-12-19 2021-04-20 北京长城电子装备有限责任公司 一种超小尺寸低频发射换能器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155731A (en) * 1983-11-01 1985-09-25 John David Gregson Ultrasonic transducers
DE102008011414A1 (de) * 2008-02-27 2009-09-10 Continental Automotive Gmbh Verfahren zum Polarisieren einer Piezokeramik

Also Published As

Publication number Publication date
DE2046901B2 (de) 1972-02-17
DK130560B (da) 1975-03-03
FR2062964A7 (enrdf_load_stackoverflow) 1971-07-02
JPS4944658B1 (enrdf_load_stackoverflow) 1974-11-29
FR2062964B3 (enrdf_load_stackoverflow) 1973-06-08
IL35230A (en) 1974-03-14
DE7035291U (de) 1971-02-25
ES383842A1 (es) 1973-03-01
DK130560C (enrdf_load_stackoverflow) 1975-08-18
IL35230A0 (en) 1970-11-30
DE2046901A1 (de) 1971-04-22
NL7014052A (enrdf_load_stackoverflow) 1971-03-25
US3588552A (en) 1971-06-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees