JPS5251930A - Cone type speaker - Google Patents

Cone type speaker

Info

Publication number
JPS5251930A
JPS5251930A JP50127731A JP12773175A JPS5251930A JP S5251930 A JPS5251930 A JP S5251930A JP 50127731 A JP50127731 A JP 50127731A JP 12773175 A JP12773175 A JP 12773175A JP S5251930 A JPS5251930 A JP S5251930A
Authority
JP
Japan
Prior art keywords
cone type
type speaker
cone
resolution
coated
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
JP50127731A
Other languages
Japanese (ja)
Inventor
Shigeyuki Koga
Hiroshi Asaha
Kenji Ogi
Tatsu Furukawa
Yutaka Mae
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.)
TRIO KENWOOD CORP
Torio KK
Original Assignee
TRIO KENWOOD CORP
Torio KK
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 TRIO KENWOOD CORP, Torio KK filed Critical TRIO KENWOOD CORP
Priority to JP50127731A priority Critical patent/JPS5251930A/en
Publication of JPS5251930A publication Critical patent/JPS5251930A/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; ELECTRIC HEARING AIDS; 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)

Abstract

PURPOSE:A coating agent added with metal oxide or metal carbide is coated on the surface of a cone, whereby fundamental frequency during free oscillation is increased and resolution is improved.
JP50127731A 1975-10-23 1975-10-23 Cone type speaker Pending JPS5251930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50127731A JPS5251930A (en) 1975-10-23 1975-10-23 Cone type speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50127731A JPS5251930A (en) 1975-10-23 1975-10-23 Cone type speaker

Publications (1)

Publication Number Publication Date
JPS5251930A true JPS5251930A (en) 1977-04-26

Family

ID=14967290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50127731A Pending JPS5251930A (en) 1975-10-23 1975-10-23 Cone type speaker

Country Status (1)

Country Link
JP (1) JPS5251930A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5439623A (en) * 1977-09-02 1979-03-27 Matsushita Electric Ind Co Ltd Diaphragm for speakers
JPS5486321A (en) * 1977-12-21 1979-07-09 Sharp Corp Diaphragm for speakers
JPS57191193U (en) * 1981-05-29 1982-12-03

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508626A (en) * 1967-12-22 1970-04-28 Franklin Robbins Acoustic diaphragm
JPS4729724A (en) * 1971-02-17 1972-11-07

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508626A (en) * 1967-12-22 1970-04-28 Franklin Robbins Acoustic diaphragm
JPS4729724A (en) * 1971-02-17 1972-11-07

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5439623A (en) * 1977-09-02 1979-03-27 Matsushita Electric Ind Co Ltd Diaphragm for speakers
JPS5486321A (en) * 1977-12-21 1979-07-09 Sharp Corp Diaphragm for speakers
JPS57191193U (en) * 1981-05-29 1982-12-03

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