Infra-red ray transmission machine for cordless headphone

- Sony Corporation
Description

FIG. 1 is a top, front and right-side perspective view of an infra-red ray transmission machine for cordness headphone, showing our new design;

FIG. 3 is a top, front and right-side perspective view thereof, shown with infra-red ray transmission element in a slanted position;

FIG. 3 is a front elevational view of FIG. 1, shown on a reduced scale;

FIG. 4 is a rear elevational view of FIG. 1, shown on a reduced scale;

FIG. 5 is a left-side elevational view of FIG. 1, shown on a reduced scale;

FIG. 6 is a right-side elevational view of FIG. 1, shown on a reduced scale;

FIG. 7 is a top plan view of FIG. 1, shown on a reduced scale; and,

FIG. 8 is a bottom plan view of FIG. 1, shown on a reduced scale.

Referenced Cited
U.S. Patent Documents
D262041 November 24, 1981 Schmidt
D274631 July 10, 1984 Smith, III et al.
D275096 August 14, 1984 Festa et al.
Other references
  • Positioning and Tracking Controls; Oct. 1984; p. 8; (lower right hand corner).
Patent History
Patent number: D337767
Type: Grant
Filed: Nov 19, 1990
Date of Patent: Jul 27, 1993
Assignee: Sony Corporation (Tokyo)
Inventors: Takashi Sogabe (Tokyo), Katsumi Yamatogi (Tokyo)
Primary Examiner: Bernard Ansher
Assistant Examiner: Mitchell I. Siegel
Attorneys: Lewis H. Eslinger, Jay H. Maioli
Application Number: 7/615,484
Classifications