JPS51140718A - Piezo-electric type electro-acoustic transdueer - Google Patents

Piezo-electric type electro-acoustic transdueer

Info

Publication number
JPS51140718A
JPS51140718A JP6493275A JP6493275A JPS51140718A JP S51140718 A JPS51140718 A JP S51140718A JP 6493275 A JP6493275 A JP 6493275A JP 6493275 A JP6493275 A JP 6493275A JP S51140718 A JPS51140718 A JP S51140718A
Authority
JP
Japan
Prior art keywords
piezo
acoustic
electric type
transdueer
type electro
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.)
Pending
Application number
JP6493275A
Other languages
Japanese (ja)
Inventor
Tadashi Itagaki
Kiyonori Iwama
Toshikazu Yoshimi
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 Communications Corp
Tokorozawa Electronics Corp
Original Assignee
Pioneer Ansafone Manufacturing Corp
Tokorozawa Electronics 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 Ansafone Manufacturing Corp, Tokorozawa Electronics Corp filed Critical Pioneer Ansafone Manufacturing Corp
Priority to JP6493275A priority Critical patent/JPS51140718A/en
Priority to US05/595,631 priority patent/US4045695A/en
Publication of JPS51140718A publication Critical patent/JPS51140718A/en
Priority to US05/822,061 priority patent/US4170742A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)

Abstract

PURPOSE:To provide a piezo-electric type electro-acoustic transducer improved in high frequency characteristics and response, and capable of readily changing various acoustic characteristics.
JP6493275A 1974-07-15 1975-05-30 Piezo-electric type electro-acoustic transdueer Pending JPS51140718A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP6493275A JPS51140718A (en) 1975-05-30 1975-05-30 Piezo-electric type electro-acoustic transdueer
US05/595,631 US4045695A (en) 1974-07-15 1975-07-14 Piezoelectric electro-acoustic transducer
US05/822,061 US4170742A (en) 1974-07-15 1977-08-05 Piezoelectric transducer with multiple electrode areas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6493275A JPS51140718A (en) 1975-05-30 1975-05-30 Piezo-electric type electro-acoustic transdueer

Publications (1)

Publication Number Publication Date
JPS51140718A true JPS51140718A (en) 1976-12-03

Family

ID=13272290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6493275A Pending JPS51140718A (en) 1974-07-15 1975-05-30 Piezo-electric type electro-acoustic transdueer

Country Status (1)

Country Link
JP (1) JPS51140718A (en)

Similar Documents

Publication Publication Date Title
FR2337480A1 (en) ELECTRO-ACOUSTIC TRANSDUCER, IN PARTICULAR OF THE PIEZOCERAMIC PLATE TYPE
GB1549902A (en) Electrodynamic acoustic transducer
JPS5388719A (en) Head phone
JPS51140718A (en) Piezo-electric type electro-acoustic transdueer
FR2335118A1 (en) ELECTRO-ACOUSTIC TRANSDUCER, ESPECIALLY FOR SPEAKER AND EARPHONES
JPS5251929A (en) Diaphragm for speakers
GB1541567A (en) Surface acoustic wave transducers
GB1551625A (en) Electroacoustic transducers having magnetostrictive cores
ES426899A1 (en) Acoustic surface wave device
JPS5227240A (en) Surface wave filter
JPS5245921A (en) Speaker of full surface driven type
JPS5256519A (en) Electroacoustic transducer
JPS5337465A (en) Wristwatch with alarm device
JPS52124324A (en) Speaker system
JPS51121321A (en) Acoustic transducer
JPS542715A (en) Speaker cone and production of the same
JPS5374418A (en) Dynamic type electroacoustic transducer
JPS538127A (en) Electroacoustic transducer
JPS5364501A (en) Acoustic device
JPS5298492A (en) Piezo-electric vibrator
JPS5346001A (en) Audio perpoducer
JPS5212822A (en) Speaker
JPS5417829A (en) Headphone device
JPS52113717A (en) Electro-acoustic transducer
AU518471B2 (en) Electro-acoustic transducer