Headphone

- Sony Corporation
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Description

FIG. 1 is a top plan view of a headphone, showing my new design;

FIG. 2 is a left-side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right-side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a perspective view thereof shown with headband in the extended position.

Referenced Cited
U.S. Patent Documents
D222361 October 1971 Hart
D244037 April 12, 1977 Warner et al.
D254616 April 1, 1980 Tabata
D301145 May 16, 1989 Besasie et al.
D313092 December 18, 1990 Nilsson
D317767 June 25, 1991 Banks
2782423 February 1957 Simon et al.
5018599 May 28, 1991 Dohi et al.
Other references
  • Telephony, Aug. 2, 1982 p. 15 Headset, bottom. Radio Shack 1988 Catalog p. 44 Realistic Nova-40. Popular Mechanics Nov. 1980 p. 96 Pickering 0A-3A Headphone.
Patent History
Patent number: D336647
Type: Grant
Filed: Oct 21, 1991
Date of Patent: Jun 22, 1993
Assignee: Sony Corporation (Tokyo)
Inventor: Akira Yamazaki (Tokyo)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Attorneys: Lewis H. Eslinger, Jay H. Maioli
Application Number: 7/779,600
Classifications
Current U.S. Class: Headphone Or Headset (D14/205)