JPS5212822A - Speaker - Google Patents

Speaker

Info

Publication number
JPS5212822A
JPS5212822A JP8837075A JP8837075A JPS5212822A JP S5212822 A JPS5212822 A JP S5212822A JP 8837075 A JP8837075 A JP 8837075A JP 8837075 A JP8837075 A JP 8837075A JP S5212822 A JPS5212822 A JP S5212822A
Authority
JP
Japan
Prior art keywords
speaker
functioning
raise
characteristic
efficiency
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.)
Granted
Application number
JP8837075A
Other languages
Japanese (ja)
Other versions
JPS5836558B2 (en
Inventor
Hiroyuki Naono
Kazuhide Sato
Michio Matsumoto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP8837075A priority Critical patent/JPS5836558B2/en
Publication of JPS5212822A publication Critical patent/JPS5212822A/en
Publication of JPS5836558B2 publication Critical patent/JPS5836558B2/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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/02—Transducers using more than one principle simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)

Abstract

PURPOSE:To raise the efficiency of a speaker using high molecular piezo-electric material and also to improve the characteristic of the low range by enabling large amplitude functioning.
JP8837075A 1975-07-21 1975-07-21 electroacoustic transducer Expired JPS5836558B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8837075A JPS5836558B2 (en) 1975-07-21 1975-07-21 electroacoustic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8837075A JPS5836558B2 (en) 1975-07-21 1975-07-21 electroacoustic transducer

Publications (2)

Publication Number Publication Date
JPS5212822A true JPS5212822A (en) 1977-01-31
JPS5836558B2 JPS5836558B2 (en) 1983-08-10

Family

ID=13940898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8837075A Expired JPS5836558B2 (en) 1975-07-21 1975-07-21 electroacoustic transducer

Country Status (1)

Country Link
JP (1) JPS5836558B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5430803A (en) * 1992-03-31 1995-07-04 Soei Electric Co., Ltd. Bifunctional earphone set

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5430803A (en) * 1992-03-31 1995-07-04 Soei Electric Co., Ltd. Bifunctional earphone set

Also Published As

Publication number Publication date
JPS5836558B2 (en) 1983-08-10

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