JPS522722A - Speaker device - Google Patents

Speaker device

Info

Publication number
JPS522722A
JPS522722A JP7952275A JP7952275A JPS522722A JP S522722 A JPS522722 A JP S522722A JP 7952275 A JP7952275 A JP 7952275A JP 7952275 A JP7952275 A JP 7952275A JP S522722 A JPS522722 A JP S522722A
Authority
JP
Japan
Prior art keywords
speaker device
speaker
improve sound
converting efficiency
sound converting
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
JP7952275A
Other languages
Japanese (ja)
Inventor
Sadao Yukimoto
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 JP7952275A priority Critical patent/JPS522722A/en
Publication of JPS522722A publication Critical patent/JPS522722A/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

PURPOSE:To improve sound converting efficiency of a speaker.
JP7952275A 1975-06-24 1975-06-24 Speaker device Pending JPS522722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7952275A JPS522722A (en) 1975-06-24 1975-06-24 Speaker device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7952275A JPS522722A (en) 1975-06-24 1975-06-24 Speaker device

Publications (1)

Publication Number Publication Date
JPS522722A true JPS522722A (en) 1977-01-10

Family

ID=13692303

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7952275A Pending JPS522722A (en) 1975-06-24 1975-06-24 Speaker device

Country Status (1)

Country Link
JP (1) JPS522722A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0290893A (en) * 1988-09-28 1990-03-30 Matsushita Electric Ind Co Ltd Speaker system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0290893A (en) * 1988-09-28 1990-03-30 Matsushita Electric Ind Co Ltd Speaker system

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