- Sony Corporation


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;

FIG. 7 is a perspective view thereof; and,

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

Referenced Cited

U.S. Patent Documents

D235210 May 1975 Hill
D244037 April 12, 1977 Warner et al.
D254183 February 12, 1980 Doodson
D255352 June 10, 1980 Besasie
D317767 June 25, 1991 Banks
4829571 May 9, 1989 Kakivchi et al.
5018599 May 28, 1991 Dohi et al.

Other references

  • HiFi Design, Sep. 22, 1986 p. 94 Koss Headphones, top right. Crutchfield Winter/Spring 1991 .COPYRGT.1990 p. 101 Sony MDR-V6 Headphones, Item C, left side. Telephony, Aug. 2, 1982 p. 15 Headset, bottom. Popular Mechanics, Nov. 1980 p. 96 Nakamichi HF-100 Headset. Radio Shack 1988 Catalog p. 44 Realistic Nova-40 Headphone.

Patent History

Patent number: D337115
Type: Grant
Filed: Nov 25, 1991
Date of Patent: Jul 6, 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: 7/797,285


Current U.S. Class: Headphone Or Headset (D14/205)