JPH0452676B2 - - Google Patents

Info

Publication number
JPH0452676B2
JPH0452676B2 JP57201342A JP20134282A JPH0452676B2 JP H0452676 B2 JPH0452676 B2 JP H0452676B2 JP 57201342 A JP57201342 A JP 57201342A JP 20134282 A JP20134282 A JP 20134282A JP H0452676 B2 JPH0452676 B2 JP H0452676B2
Authority
JP
Japan
Prior art keywords
coil
voice coil
sensor coil
magnetic flux
sensor
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 - Lifetime
Application number
JP57201342A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5990497A (ja
Inventor
Koshin Shimada
Tatsuo Fukuyama
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 JP20134282A priority Critical patent/JPS5990497A/ja
Publication of JPS5990497A publication Critical patent/JPS5990497A/ja
Publication of JPH0452676B2 publication Critical patent/JPH0452676B2/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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP20134282A 1982-11-15 1982-11-15 スピ−カ Granted JPS5990497A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20134282A JPS5990497A (ja) 1982-11-15 1982-11-15 スピ−カ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20134282A JPS5990497A (ja) 1982-11-15 1982-11-15 スピ−カ

Publications (2)

Publication Number Publication Date
JPS5990497A JPS5990497A (ja) 1984-05-24
JPH0452676B2 true JPH0452676B2 (enrdf_load_stackoverflow) 1992-08-24

Family

ID=16439433

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20134282A Granted JPS5990497A (ja) 1982-11-15 1982-11-15 スピ−カ

Country Status (1)

Country Link
JP (1) JPS5990497A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110881160B (zh) * 2019-11-12 2021-08-31 歌尔股份有限公司 一种发声装置
GB2620787A (en) * 2022-07-22 2024-01-24 Gp Acoustics Uk Ltd Loudspeakers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6024634B2 (ja) * 1977-12-14 1985-06-13 松下電器産業株式会社 スピ−カシステム

Also Published As

Publication number Publication date
JPS5990497A (ja) 1984-05-24

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