Headphone

- Sony Corporation
Description

FIG. 1 is a top plan view of a headphone, showing our 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; and,

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D228352 September 1973 Itagaki
D229833 January 1974 Becker
D235210 May 1975 Hill
D244037 April 12, 1977 Warner et al.
D254183 February 12, 1980 Doodson
D255352 June 10, 1980 Besasie
D262019 November 24, 1981 Upshaw
D317767 June 25, 1991 Banks
4829571 May 9, 1989 Kakiuchi et al.
5018599 May 28, 1991 Dohi et al.
Other references
  • Popular Mechanics, Nov. 1980 p. 96, model AKG K-340, right side. Telephony, Aug. 2, 1982 p. 15, headset, bottom. Dak Industries, p. 9 headset, top. Radio Shack 1988 Cat. Realistic Nova-40 headphones.
Patent History
Patent number: D336646
Type: Grant
Filed: Nov 25, 1991
Date of Patent: Jun 22, 1993
Assignee: Sony Corporation (Tokyo)
Inventors: Akira Yamazaki (Tokyo), Toshio Iribe (Tokyo), Hidefumi Gotoh (Tokyo)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Attorneys: Lewis H. Eslinger, Jay H. Maioli
Application Number: 7/797,288
Classifications
Current U.S. Class: Headphone Or Headset (D14/205)