AT325125B - HEADPHONE - Google Patents

HEADPHONE

Info

Publication number
AT325125B
AT325125B AT925473A AT925473A AT325125B AT 325125 B AT325125 B AT 325125B AT 925473 A AT925473 A AT 925473A AT 925473 A AT925473 A AT 925473A AT 325125 B AT325125 B AT 325125B
Authority
AT
Austria
Prior art keywords
headphone
Prior art date
Application number
AT925473A
Other languages
German (de)
Inventor
Rudolf Dr Goerike
Original Assignee
Akg Akustische Kino Geraete
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 Akg Akustische Kino Geraete filed Critical Akg Akustische Kino Geraete
Priority to AT925473A priority Critical patent/AT325125B/en
Priority to DE19742451427 priority patent/DE2451427C3/en
Priority to JP12608674A priority patent/JPS5644629B2/ja
Application granted granted Critical
Publication of AT325125B publication Critical patent/AT325125B/en

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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008—Earpieces of the supra-aural or circum-aural type
AT925473A 1973-11-02 1973-11-02 HEADPHONE AT325125B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT925473A AT325125B (en) 1973-11-02 1973-11-02 HEADPHONE
DE19742451427 DE2451427C3 (en) 1973-11-02 1974-10-29 headphones
JP12608674A JPS5644629B2 (en) 1973-11-02 1974-10-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT925473A AT325125B (en) 1973-11-02 1973-11-02 HEADPHONE

Publications (1)

Publication Number Publication Date
AT325125B true AT325125B (en) 1975-10-10

Family

ID=3612547

Family Applications (1)

Application Number Title Priority Date Filing Date
AT925473A AT325125B (en) 1973-11-02 1973-11-02 HEADPHONE

Country Status (3)

Country Link
JP (1) JPS5644629B2 (en)
AT (1) AT325125B (en)
DE (1) DE2451427C3 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5410260Y2 (en) * 1975-05-27 1979-05-12
JPS5250726U (en) * 1975-10-09 1977-04-11
JPS5341219A (en) * 1976-09-27 1978-04-14 Matsushita Electric Ind Co Ltd Sound insulation type headphone
JPS5388718A (en) * 1976-12-15 1978-08-04 Matsushita Electric Ind Co Ltd Sealed head phone
DE2836937B2 (en) * 1977-08-31 1981-06-25 AKG Akustische u. Kino-Geräte GmbH, Wien headphones
US4993074A (en) * 1988-04-13 1991-02-12 Carroll Robert J Earphone spacer
JP2546271Y2 (en) * 1988-12-12 1997-08-27 ソニー株式会社 Electroacoustic transducer
US5257318A (en) * 1989-01-11 1993-10-26 Carroll Robert J Earphone spacer with electronically variable sound level
TW356629B (en) * 1996-11-28 1999-04-21 Kirk Acoustics As Telephone handset, cordless telephone or mobile telephone
US6084976A (en) * 1999-06-11 2000-07-04 Lin; Chung-Yu Earphone without impulse noise and conductive hearing loss
US20230336908A1 (en) * 2020-10-09 2023-10-19 Gn Audio A/S On-the-ear ear cushion with multiple foams having different properties

Also Published As

Publication number Publication date
JPS5644629B2 (en) 1981-10-21
DE2451427A1 (en) 1975-05-07
JPS5080118A (en) 1975-06-30
DE2451427C3 (en) 1980-08-28
DE2451427B2 (en) 1980-01-03

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee