JPS6313593B2 - - Google Patents

Info

Publication number
JPS6313593B2
JPS6313593B2 JP7854580A JP7854580A JPS6313593B2 JP S6313593 B2 JPS6313593 B2 JP S6313593B2 JP 7854580 A JP7854580 A JP 7854580A JP 7854580 A JP7854580 A JP 7854580A JP S6313593 B2 JPS6313593 B2 JP S6313593B2
Authority
JP
Japan
Prior art keywords
diaphragm
metal
circumferential direction
rollers
frusto
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
JP7854580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS574693A (en
Inventor
Kikuo Tsurumoto
Fumio Hayakawa
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.)
Onkyo Corp
Original Assignee
Onkyo Corp
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 Onkyo Corp filed Critical Onkyo Corp
Priority to JP7854580A priority Critical patent/JPS574693A/ja
Publication of JPS574693A publication Critical patent/JPS574693A/ja
Publication of JPS6313593B2 publication Critical patent/JPS6313593B2/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP7854580A 1980-06-10 1980-06-10 Truncated circular cone type metallic diaphragm Granted JPS574693A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7854580A JPS574693A (en) 1980-06-10 1980-06-10 Truncated circular cone type metallic diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7854580A JPS574693A (en) 1980-06-10 1980-06-10 Truncated circular cone type metallic diaphragm

Publications (2)

Publication Number Publication Date
JPS574693A JPS574693A (en) 1982-01-11
JPS6313593B2 true JPS6313593B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-03-26

Family

ID=13664880

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7854580A Granted JPS574693A (en) 1980-06-10 1980-06-10 Truncated circular cone type metallic diaphragm

Country Status (1)

Country Link
JP (1) JPS574693A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59129377A (ja) * 1983-01-11 1984-07-25 イズミ工業株式会社 溶融保持炉
JPS6050796U (ja) * 1983-09-12 1985-04-10 イズミ工業株式会社 溶融保持炉
CH655328A5 (de) * 1984-02-15 1986-04-15 Fischer Ag Georg Keramikfilter.
JPS61257435A (ja) * 1985-05-10 1986-11-14 Topy Ind Ltd アルミニウム系金属材料から含有不純物を除去する方法
JPS61257436A (ja) * 1985-05-10 1986-11-14 Topy Ind Ltd アルミニウム系金属材料から含有不純物を除去する方法

Also Published As

Publication number Publication date
JPS574693A (en) 1982-01-11

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