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EP0071464A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Headphones

Assignee: Panasonic Holdings Corp
•
Filing: 1982-07-27
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Granted: —
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Expires: 2002-07-27
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Abstract

Abstract A headphone (30) including a housing (5), a speaker unit (7) received in the housing, an ear pad (3) secured to the front side of the housing, a head band (17), an input cord (22), a plug (11) and a mating jack (18), one of the plug and jack being provided on a portion of the housing for electrical connection to the speaker unit, the other of the plug and jack being provided on the end of the head band for connection to the input cord. The plug and jack are adapted to engage each other, thus permitting the housing to be joined to the head band. The plug and jack can be rotated relative to each other about their axes when engaged.

Inventors

  • 👤 Tohru Kikkawa
  • 👤 Shoichi Kusumoto
  • 👤 Atsushi Inaba
  • 👤 Kenji Yamauchi
  • 👤 Michio Inagaki

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-30 23:23
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/10; H04R1/1058; H04M; H04M1/00; H04M1/02; H04M1/04; H04M1/05; H04R1/1008; H04R1/1066; H04R5/00; H04R5/033; H04R5/0335

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 110 words
In a headphone (30) including a housing (5), a speaker unit (7) received in said housing, an ear pad (3) secured to the front side of said housing, a head band (17) and an input cord (22), the improvement comprising a plug (11) and a mating jack (18), one said plug and said jack being provided on apportion of said housing for electrical connection to said speaker unit, the other of said plug and said jack being provided on the end of said head band for connection to said input cord, said plug being adapted to engage said jack to permit said housing to be joined to said head band.
Claim 2
Dependent Claim 110 words
In a headphone (30) including a housing (5), a speaker unit (7) received in said housing, an ear pad (3) secured to the front side of said housing, a head band (17) and an input cord (22), the improvement comprising a plug (11) and a mating jack (18), one said plug and said jack being provided on apportion of said housing for electrical connection to said speaker unit, the other of said plug and said jack being provided on the end of said head band for connection to said input cord, said plug being adapted to engage said jack to permit said housing to be joined to said head band.
Claim 3
Dependent Claim 39 words
A headphone as set forth in claim 1 wherein said plug or said jack on said housing can be rotated relative to said plug or said jack on said head band about their axes when engaged by each other.

References Cited (Backward Citations)

DE2353261A1 Cited
US3971900A Cited
US4273969A Cited

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