JPS5417829A - Headphone device - Google Patents

Headphone device

Info

Publication number
JPS5417829A
JPS5417829A JP8332777A JP8332777A JPS5417829A JP S5417829 A JPS5417829 A JP S5417829A JP 8332777 A JP8332777 A JP 8332777A JP 8332777 A JP8332777 A JP 8332777A JP S5417829 A JPS5417829 A JP S5417829A
Authority
JP
Japan
Prior art keywords
holes
headphone device
mass reactance
listen
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.)
Pending
Application number
JP8332777A
Other languages
Japanese (ja)
Inventor
Nobuhisa Atoji
Takashi Matsumoto
Shoichi Kusumoto
Kazuhide Sato
Mitsuhiro Hasegawa
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 JP8332777A priority Critical patent/JPS5417829A/en
Priority to US05/923,206 priority patent/US4211898A/en
Priority to GB7829489A priority patent/GB2000941B/en
Priority to DE2830451A priority patent/DE2830451C2/en
Publication of JPS5417829A publication Critical patent/JPS5417829A/en
Pending 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
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/225Arrangements 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)
  • Headphones And Earphones (AREA)
  • Stereophonic Arrangements (AREA)

Abstract

PURPOSE:To provide double humped characteristics to sound pressure frequency characteristics and listen natural sounds by providing a cavity and through-holes having mass reactance to the back of a diaphragm and making use of the parallel resonance of the mass reactance by the through-holes.
JP8332777A 1977-07-11 1977-07-11 Headphone device Pending JPS5417829A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP8332777A JPS5417829A (en) 1977-07-11 1977-07-11 Headphone device
US05/923,206 US4211898A (en) 1977-07-11 1978-07-10 Headphone with two resonant peaks for simulating loudspeaker reproduction
GB7829489A GB2000941B (en) 1977-07-11 1978-07-11 Headphone with two resonant peaks for simulating loudspeaker reproduction
DE2830451A DE2830451C2 (en) 1977-07-11 1978-07-11 headphones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8332777A JPS5417829A (en) 1977-07-11 1977-07-11 Headphone device

Publications (1)

Publication Number Publication Date
JPS5417829A true JPS5417829A (en) 1979-02-09

Family

ID=13799324

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8332777A Pending JPS5417829A (en) 1977-07-11 1977-07-11 Headphone device

Country Status (1)

Country Link
JP (1) JPS5417829A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010288107A (en) * 2009-06-12 2010-12-24 Audio Technica Corp Condenser headphone unit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5227602A (en) * 1975-08-27 1977-03-02 Matsushita Electric Ind Co Ltd Headphone device
JPS5257817A (en) * 1975-11-07 1977-05-12 Sony Corp Erecting method of electrostatic type electroacoustic transducer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5227602A (en) * 1975-08-27 1977-03-02 Matsushita Electric Ind Co Ltd Headphone device
JPS5257817A (en) * 1975-11-07 1977-05-12 Sony Corp Erecting method of electrostatic type electroacoustic transducer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010288107A (en) * 2009-06-12 2010-12-24 Audio Technica Corp Condenser headphone unit

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