JPS6134720B2 - - Google Patents

Info

Publication number
JPS6134720B2
JPS6134720B2 JP6556080A JP6556080A JPS6134720B2 JP S6134720 B2 JPS6134720 B2 JP S6134720B2 JP 6556080 A JP6556080 A JP 6556080A JP 6556080 A JP6556080 A JP 6556080A JP S6134720 B2 JPS6134720 B2 JP S6134720B2
Authority
JP
Japan
Prior art keywords
magnetic
coolant
porous body
yoke
voice coil
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
JP6556080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56161798A (en
Inventor
Toshio Shimizu
Masaharu Oono
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 JP6556080A priority Critical patent/JPS56161798A/ja
Publication of JPS56161798A publication Critical patent/JPS56161798A/ja
Publication of JPS6134720B2 publication Critical patent/JPS6134720B2/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
    • H04R9/022—Cooling arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
JP6556080A 1980-05-16 1980-05-16 Dynamic type speaker Granted JPS56161798A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6556080A JPS56161798A (en) 1980-05-16 1980-05-16 Dynamic type speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6556080A JPS56161798A (en) 1980-05-16 1980-05-16 Dynamic type speaker

Publications (2)

Publication Number Publication Date
JPS56161798A JPS56161798A (en) 1981-12-12
JPS6134720B2 true JPS6134720B2 (enrdf_load_stackoverflow) 1986-08-08

Family

ID=13290509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6556080A Granted JPS56161798A (en) 1980-05-16 1980-05-16 Dynamic type speaker

Country Status (1)

Country Link
JP (1) JPS56161798A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19610997B4 (de) * 1996-03-21 2006-07-13 Sennheiser Electronic Gmbh & Co. Kg Elektrodynamischer Schallwandler mit Magnetspaltenabdichtung und Hörhilfe
CN105282668B (zh) * 2015-11-18 2019-04-05 成都旭光光电技术有限责任公司 一种采用铝环固定磁钢的换能器及其制造方法
CN105451146A (zh) * 2015-11-18 2016-03-30 成都旭光光电技术有限责任公司 一种声波拒止仪
JP2022519475A (ja) 2019-02-06 2022-03-24 オルトラマーレ， ミシェル 誘導モータの固定巻線を冷却するためのシステム
US20230164492A1 (en) 2020-04-08 2023-05-25 Michel OLTRAMARE Dual axial magnetic flux induction speaker

Also Published As

Publication number Publication date
JPS56161798A (en) 1981-12-12

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