JPS5720093A - Manufacture of dome-shaped speaker - Google Patents

Manufacture of dome-shaped speaker

Info

Publication number
JPS5720093A
JPS5720093A JP9450880A JP9450880A JPS5720093A JP S5720093 A JPS5720093 A JP S5720093A JP 9450880 A JP9450880 A JP 9450880A JP 9450880 A JP9450880 A JP 9450880A JP S5720093 A JPS5720093 A JP S5720093A
Authority
JP
Japan
Prior art keywords
plate
dome
baffle plate
jig
diaphragm
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
JP9450880A
Other languages
Japanese (ja)
Other versions
JPS6231880B2 (en
Inventor
Asahiko Okada
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 JP9450880A priority Critical patent/JPS6231880B2/ja
Publication of JPS5720093A publication Critical patent/JPS5720093A/en
Publication of JPS6231880B2 publication Critical patent/JPS6231880B2/ja
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12Non-planar diaphragms or cones
    • H04R7/127Non-planar diaphragms or cones dome-shaped

Abstract

PURPOSE:To eliminate the disorder of directional characteristics and to improve mass productivity by bonding a dome-shaped diaphragm on the upper surface of a plane baffle plate. CONSTITUTION:In a baffle plate 15 which is flat and has a through-hole 12 in the center and holes 13 and 14 at peripheral points, a jig 17 which has an annular positioning piece 16 projecting from the reverse surface is fitted, and the outer circumference of a dome-shaped baffle diaphragm 19 having a coupled voice coil 18 is positioned at the inner circumference of the jig 17 to bond the diaphragm 19 on the baffle plate 15. On a plate 21 having a center pole 20, a magnet 22 is bonded, and a plate 23 is positioned with a gap gauge 24 and bonded to assemble a magnetic circuit 25. The gauge 24 is removed and the projection 16 of the jig is inserted into a hole 27 of the plate 23; and the baffle plate 15 is coupled by using a screw 28, and the jig 17 is detached. In this constitution, the baffle plate is obtained by being punched and the dome-shaped diaphragm is bonded on the flat plate, so the disorder of directivity is eliminated and an oscillation system and magnetic circuit are assembled in parallel, thereby improving productivity.
JP9450880A 1980-07-09 1980-07-09 Expired JPS6231880B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9450880A JPS6231880B2 (en) 1980-07-09 1980-07-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9450880A JPS6231880B2 (en) 1980-07-09 1980-07-09

Publications (2)

Publication Number Publication Date
JPS5720093A true JPS5720093A (en) 1982-02-02
JPS6231880B2 JPS6231880B2 (en) 1987-07-10

Family

ID=14112252

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9450880A Expired JPS6231880B2 (en) 1980-07-09 1980-07-09

Country Status (1)

Country Link
JP (1) JPS6231880B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6344625U (en) * 1986-09-04 1988-03-25

Also Published As

Publication number Publication date
JPS6231880B2 (en) 1987-07-10

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