- Sony Corporation


FIG. 1 is a top, front and right-side perspective view of a headphone showing our new design;

FIG. 2 is a right-side perspective view thereof, shown with headband in the expanded position;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left-side elevational view thereof;

FIG. 6 is a right-side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

Referenced Cited

U.S. Patent Documents

D246519 November 29, 1977 Kato
D292205 October 6, 1987 Kikutani
D328461 August 4, 1992 Daido et al.
D337115 July 6, 1993 Yamazaki et al.

Other references

  • Dealerscope Merchandising, Mar. 1988 p. 83 Labtec Model-LT-200 Headphone. Stereo Review, Dec. 1988 p. 30 Azden Headphone. Stereo Review, Jun. 1989 p. 57 Beyerdynamic DT 690 Headphone.

Patent History

Patent number: D351172
Type: Grant
Filed: Aug 12, 1992
Date of Patent: Oct 4, 1994
Assignee: Sony Corporation (Tokyo)
Inventors: Mitsuhiro Nakamura (Tokyo), Hidefumi Goto (Tokyo)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Attorneys: Lewis H. Eslinger, Jay H. Maioli
Application Number: 7/928,241


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