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JPS5317718A - Speaker - Google Patents

Speaker

Info

Publication number
JPS5317718A
JPS5317718A JP9215576A JP9215576A JPS5317718A JP S5317718 A JPS5317718 A JP S5317718A JP 9215576 A JP9215576 A JP 9215576A JP 9215576 A JP9215576 A JP 9215576A JP S5317718 A JPS5317718 A JP S5317718A
Authority
JP
Japan
Prior art keywords
treble
bass
speaker
diaphragm
decreasing
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
JP9215576A
Other languages
Japanese (ja)
Other versions
JPS5925520B2 (en
Inventor
Koshin Shimada
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 JP9215576A priority Critical patent/JPS5925520B2/en
Publication of JPS5317718A publication Critical patent/JPS5317718A/en
Publication of JPS5925520B2 publication Critical patent/JPS5925520B2/en
Expired 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
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers

Landscapes

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

Abstract

PURPOSE:To improve the directional characteristics of treble and bass over the entire range of treble and bass without decreasing the efficiency of voice propagation by providing an auxiliary diaphragm to the opening of a main diaphragm.
JP9215576A 1976-08-02 1976-08-02 speaker Expired JPS5925520B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9215576A JPS5925520B2 (en) 1976-08-02 1976-08-02 speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9215576A JPS5925520B2 (en) 1976-08-02 1976-08-02 speaker

Publications (2)

Publication Number Publication Date
JPS5317718A true JPS5317718A (en) 1978-02-18
JPS5925520B2 JPS5925520B2 (en) 1984-06-18

Family

ID=14046523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9215576A Expired JPS5925520B2 (en) 1976-08-02 1976-08-02 speaker

Country Status (1)

Country Link
JP (1) JPS5925520B2 (en)

Also Published As

Publication number Publication date
JPS5925520B2 (en) 1984-06-18

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