JPS524228A - Non-directional dynamic type electric sound convertor - Google Patents

Non-directional dynamic type electric sound convertor

Info

Publication number
JPS524228A
JPS524228A JP7514675A JP7514675A JPS524228A JP S524228 A JPS524228 A JP S524228A JP 7514675 A JP7514675 A JP 7514675A JP 7514675 A JP7514675 A JP 7514675A JP S524228 A JPS524228 A JP S524228A
Authority
JP
Japan
Prior art keywords
type electric
dynamic type
electric sound
directional dynamic
sound convertor
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
JP7514675A
Other languages
Japanese (ja)
Other versions
JPS5444447B2 (en
Inventor
Nobuhisa Atoji
Takahisa Aoi
Masaharu Ono
Satoru Ibaraki
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 JP7514675A priority Critical patent/JPS524228A/en
Publication of JPS524228A publication Critical patent/JPS524228A/en
Publication of JPS5444447B2 publication Critical patent/JPS5444447B2/ja
Granted 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

PURPOSE:To improve convertion efficiency and frequency characteristic, and simplify manufacturing by cylindrically setting the vibration film applied with rectangle spiral conductor coil in the cylindrical magnet room with opposite magnetic poles.
JP7514675A 1975-06-19 1975-06-19 Non-directional dynamic type electric sound convertor Granted JPS524228A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7514675A JPS524228A (en) 1975-06-19 1975-06-19 Non-directional dynamic type electric sound convertor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7514675A JPS524228A (en) 1975-06-19 1975-06-19 Non-directional dynamic type electric sound convertor

Publications (2)

Publication Number Publication Date
JPS524228A true JPS524228A (en) 1977-01-13
JPS5444447B2 JPS5444447B2 (en) 1979-12-26

Family

ID=13567758

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7514675A Granted JPS524228A (en) 1975-06-19 1975-06-19 Non-directional dynamic type electric sound convertor

Country Status (1)

Country Link
JP (1) JPS524228A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281223A (en) * 1978-08-18 1981-07-28 Sony Corporation Electro-acoustic transducer
EP0201101A2 (en) * 1985-05-08 1986-11-12 ELAC Phonosysteme GmbH Electrodynamic loudspeaker
WO1993023967A1 (en) * 1992-05-11 1993-11-25 Linaeum Corporation Audio transducer improvements
US5446797A (en) * 1992-07-17 1995-08-29 Linaeum Corporation Audio transducer with etched voice coil
US5604815A (en) * 1992-07-17 1997-02-18 Linaeum Corporation Single magnet audio transducer and method of manufacturing

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281223A (en) * 1978-08-18 1981-07-28 Sony Corporation Electro-acoustic transducer
EP0201101A2 (en) * 1985-05-08 1986-11-12 ELAC Phonosysteme GmbH Electrodynamic loudspeaker
EP0201101A3 (en) * 1985-05-08 1988-09-14 ELAC Phonosysteme GmbH Electrodynamic loudspeaker
WO1993023967A1 (en) * 1992-05-11 1993-11-25 Linaeum Corporation Audio transducer improvements
US5450497A (en) * 1992-05-11 1995-09-12 Linaeum Corporation Audio transducer improvements
US5446797A (en) * 1992-07-17 1995-08-29 Linaeum Corporation Audio transducer with etched voice coil
US5604815A (en) * 1992-07-17 1997-02-18 Linaeum Corporation Single magnet audio transducer and method of manufacturing

Also Published As

Publication number Publication date
JPS5444447B2 (en) 1979-12-26

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