JPS5639758B2 - - Google Patents

Info

Publication number
JPS5639758B2
JPS5639758B2 JP8332577A JP8332577A JPS5639758B2 JP S5639758 B2 JPS5639758 B2 JP S5639758B2 JP 8332577 A JP8332577 A JP 8332577A JP 8332577 A JP8332577 A JP 8332577A JP S5639758 B2 JPS5639758 B2 JP S5639758B2
Authority
JP
Japan
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.)
Expired
Application number
JP8332577A
Other versions
JPS5417827A (en
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 filed Critical
Priority to JP8332577A priority Critical patent/JPS5417827A/ja
Priority to US05/923,206 priority patent/US4211898A/en
Priority to GB7829489A priority patent/GB2000941B/en
Priority to DE2830451A priority patent/DE2830451C2/de
Publication of JPS5417827A publication Critical patent/JPS5417827A/ja
Publication of JPS5639758B2 publication Critical patent/JPS5639758B2/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; 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
JP8332577A 1977-07-11 1977-07-11 Headphone device Granted JPS5417827A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP8332577A JPS5417827A (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 (de) 1977-07-11 1978-07-11 Kopfhörer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8332577A JPS5417827A (en) 1977-07-11 1977-07-11 Headphone device

Publications (2)

Publication Number Publication Date
JPS5417827A JPS5417827A (en) 1979-02-09
JPS5639758B2 true JPS5639758B2 (ja) 1981-09-16

Family

ID=13799264

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8332577A Granted JPS5417827A (en) 1977-07-11 1977-07-11 Headphone device

Country Status (1)

Country Link
JP (1) JPS5417827A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6339223A (ja) * 1986-08-04 1988-02-19 Oki Electric Ind Co Ltd 受光装置
JP2008193449A (ja) * 2007-02-06 2008-08-21 Star Micronics Co Ltd 挿入型イヤホン

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6339223A (ja) * 1986-08-04 1988-02-19 Oki Electric Ind Co Ltd 受光装置
JP2008193449A (ja) * 2007-02-06 2008-08-21 Star Micronics Co Ltd 挿入型イヤホン

Also Published As

Publication number Publication date
JPS5417827A (en) 1979-02-09

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