GB1504408A - Piezoelectric electroacoustic transducer - Google Patents

Piezoelectric electroacoustic transducer

Info

Publication number
GB1504408A
GB1504408A GB8360/75A GB836075A GB1504408A GB 1504408 A GB1504408 A GB 1504408A GB 8360/75 A GB8360/75 A GB 8360/75A GB 836075 A GB836075 A GB 836075A GB 1504408 A GB1504408 A GB 1504408A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
curved
piezoelectric
feb
edges
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
GB8360/75A
Other languages
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Publication of GB1504408A publication Critical patent/GB1504408A/en
Expired legal-status Critical Current

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
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00—Electrical generator or motor structure
    • Y10S310/80—Piezoelectric polymers, e.g. PVDF

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
GB8360/75A 1974-02-28 1975-02-28 Piezoelectric electroacoustic transducer Expired GB1504408A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49022866A JPS5215972B2 (US06811534-20041102-M00003.png) 1974-02-28 1974-02-28

Publications (1)

Publication Number Publication Date
GB1504408A true GB1504408A (en) 1978-03-22

Family

ID=12094613

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8360/75A Expired GB1504408A (en) 1974-02-28 1975-02-28 Piezoelectric electroacoustic transducer

Country Status (4)

Country Link
US (2) US4008408A (US06811534-20041102-M00003.png)
JP (1) JPS5215972B2 (US06811534-20041102-M00003.png)
DE (1) DE2508556C2 (US06811534-20041102-M00003.png)
GB (1) GB1504408A (US06811534-20041102-M00003.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5434830A (en) * 1990-04-27 1995-07-18 Commonwealth Scientific And Industrial Research Organization Ultrasonic transducer

Families Citing this family (113)

* Cited by examiner, † Cited by third party
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US4170742A (en) * 1974-07-15 1979-10-09 Pioneer Electronic Corporation Piezoelectric transducer with multiple electrode areas
GB1565860A (en) * 1976-04-02 1980-04-23 Matsushita Electric Ind Co Ltd Microphone utilizing high-polymer piezoelectric membrane
JPS5380437U (US06811534-20041102-M00003.png) * 1976-12-06 1978-07-04
JPS5333613A (en) * 1976-09-09 1978-03-29 Matsushita Electric Ind Co Ltd Microphone and its manufacture
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JPS6010480B2 (ja) * 1976-04-08 1985-03-18 松下電器産業株式会社 電気音響変換器およびその製造法
JPS5370224U (US06811534-20041102-M00003.png) * 1976-11-15 1978-06-13
JPS6020960B2 (ja) * 1977-01-10 1985-05-24 松下電器産業株式会社 圧電型マイクロホンの製造方法
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AT375466B (de) * 1977-07-27 1984-08-10 List Hans Messwertaufnehmer mit einem piezoelektrischen messelement
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JP5602626B2 (ja) 2007-06-29 2014-10-08 アーティフィシャル マッスル，インク． 感覚性フィードバック用途のための電気活性ポリマートランスデューサー
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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1967130C2 (de) * 1968-01-25 1982-04-01 Pioneer Electronic Corp., Tokyo Mechanisch-elektrisch bzw. elektrisch-mechanischer Wandler
JPS4926890B1 (US06811534-20041102-M00003.png) * 1970-12-04 1974-07-12
JPS5221364B2 (US06811534-20041102-M00003.png) * 1971-11-04 1977-06-10
JPS4856128A (US06811534-20041102-M00003.png) * 1971-11-11 1973-08-07
JPS492524A (US06811534-20041102-M00003.png) * 1972-04-20 1974-01-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5434830A (en) * 1990-04-27 1995-07-18 Commonwealth Scientific And Industrial Research Organization Ultrasonic transducer

Also Published As

Publication number Publication date
US4088915A (en) 1978-05-09
DE2508556C2 (de) 1985-07-11
DE2508556A1 (de) 1975-09-04
JPS5215972B2 (US06811534-20041102-M00003.png) 1977-05-06
JPS50118716A (US06811534-20041102-M00003.png) 1975-09-17
US4008408A (en) 1977-02-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee