JPS5417828A - Headphone device - Google Patents

Headphone device

Info

Publication number
JPS5417828A
JPS5417828A JP8332677A JP8332677A JPS5417828A JP S5417828 A JPS5417828 A JP S5417828A JP 8332677 A JP8332677 A JP 8332677A JP 8332677 A JP8332677 A JP 8332677A JP S5417828 A JPS5417828 A JP S5417828A
Authority
JP
Japan
Prior art keywords
headphone device
listened
sounds
diaphragm
cavity
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
JP8332677A
Other languages
Japanese (ja)
Other versions
JPS5640558B2 (en
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 JP8332677A priority Critical patent/JPS5417828A/en
Priority to US05/923,206 priority patent/US4211898A/en
Priority to DE2830451A priority patent/DE2830451C2/en
Priority to GB7829489A priority patent/GB2000941B/en
Publication of JPS5417828A publication Critical patent/JPS5417828A/en
Publication of JPS5640558B2 publication Critical patent/JPS5640558B2/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; ELECTRIC HEARING AIDS; 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)
  • Headphones And Earphones (AREA)
  • Stereophonic Arrangements (AREA)

Abstract

PURPOSE:To enable highly faithful sounds to be listened by providing a cavity and through-holes having mass reactance to the back of a diaphragm.
JP8332677A 1977-07-11 1977-07-11 Headphone device Granted JPS5417828A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP8332677A JPS5417828A (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
DE2830451A DE2830451C2 (en) 1977-07-11 1978-07-11 headphones
GB7829489A GB2000941B (en) 1977-07-11 1978-07-11 Headphone with two resonant peaks for simulating loudspeaker reproduction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8332677A JPS5417828A (en) 1977-07-11 1977-07-11 Headphone device

Publications (2)

Publication Number Publication Date
JPS5417828A true JPS5417828A (en) 1979-02-09
JPS5640558B2 JPS5640558B2 (en) 1981-09-21

Family

ID=13799294

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8332677A Granted JPS5417828A (en) 1977-07-11 1977-07-11 Headphone device

Country Status (1)

Country Link
JP (1) JPS5417828A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62275649A (en) * 1986-05-23 1987-11-30 Hatsuho Seika Kk Production of confectionery
JPS62275650A (en) * 1986-05-23 1987-11-30 Hatsuho Seika Kk Production of expanded confectionery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62275649A (en) * 1986-05-23 1987-11-30 Hatsuho Seika Kk Production of confectionery
JPS62275650A (en) * 1986-05-23 1987-11-30 Hatsuho Seika Kk Production of expanded confectionery

Also Published As

Publication number Publication date
JPS5640558B2 (en) 1981-09-21

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