JPS539115A - Production of voice coil bobbin - Google Patents

Production of voice coil bobbin

Info

Publication number
JPS539115A
JPS539115A JP8363176A JP8363176A JPS539115A JP S539115 A JPS539115 A JP S539115A JP 8363176 A JP8363176 A JP 8363176A JP 8363176 A JP8363176 A JP 8363176A JP S539115 A JPS539115 A JP S539115A
Authority
JP
Japan
Prior art keywords
voice coil
coil bobbin
production
rotating bodies
bobbin
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
JP8363176A
Other languages
Japanese (ja)
Inventor
Takao Irumano
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 JP8363176A priority Critical patent/JPS539115A/en
Publication of JPS539115A publication Critical patent/JPS539115A/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; 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

Landscapes

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

Abstract

PURPOSE:A voice coil bobbin is produced by inserting an aluminum foil between rotating bodies and winding a long-length plate to one of the rotating bodies, whereby bobbin mounting work is simplified.
JP8363176A 1976-07-13 1976-07-13 Production of voice coil bobbin Pending JPS539115A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8363176A JPS539115A (en) 1976-07-13 1976-07-13 Production of voice coil bobbin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8363176A JPS539115A (en) 1976-07-13 1976-07-13 Production of voice coil bobbin

Publications (1)

Publication Number Publication Date
JPS539115A true JPS539115A (en) 1978-01-27

Family

ID=13807804

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8363176A Pending JPS539115A (en) 1976-07-13 1976-07-13 Production of voice coil bobbin

Country Status (1)

Country Link
JP (1) JPS539115A (en)

Similar Documents

Publication Publication Date Title
CA990042A (en) Method of mounting a cooling tower mantle
FR2296341A1 (en) CONDENSER MICROPHONE
JPS539115A (en) Production of voice coil bobbin
JPS52133564A (en) Method of manufacturing voice coil
JPS5241520A (en) Electroacoustic converter
FR2319440A1 (en) ADVANCED THREADING BY LAMINATION DIE
JPS5392121A (en) Method of supporting microphone
JPS523424A (en) Non-combustible speaker vibration plate
JPS5349426A (en) Speaker diaphragm
FR2282195A1 (en) METHOD OF MANUFACTURING AN ELECTRET MICROPHONE
JPS522427A (en) Oscillating plate for loud-speaker
JPS5353381A (en) Electronic wristwatch
JPS52130317A (en) Hitachi seisakusho k.k.
JPS52145705A (en) Coil winding of stator for revolving electrical machinery
JPS51151115A (en) Manufacturing method of thin film integrated magnetic head
JPS5220295A (en) Method of manufactur of magnetic thin film
JPS548813A (en) Motor
JPS5337883A (en) Preparing paper-covered power cable
JPS52119220A (en) Diaphragm for speakers
JPS52112760A (en) Method of manufacturing voice coil
JPS52113719A (en) Plane driving speaker
JPS5320312A (en) Production of magnetic core
JPS5244627A (en) Magnet core type speaker
JPS52147211A (en) Production of piston of divided type
JPS522722A (en) Speaker device