Combined microphone, speaker, and amplifier

- Sony Corporation
Description

FIG. 1 is a perspective view of a combined, speaker, and amplifier showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a right-side view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a front view thereof.

Referenced Cited
U.S. Patent Documents
D253767 December 25, 1979 Peterson
D257144 September 30, 1980 McGourty
D295404 April 26, 1988 Tokiyama
D296098 June 7, 1988 Nagele
D303116 August 29, 1989 Richards
D306298 February 27, 1990 Sawada et al.
D321692 November 19, 1991 Siddoway et al.
Patent History
Patent number: D337590
Type: Grant
Filed: Apr 19, 1991
Date of Patent: Jul 20, 1993
Assignee: Sony Corporation (Tokyo)
Inventor: Toshiaki Satoh (Tokyo)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Attorneys: Lewis H. Eslinger, Jay H. Maioli
Application Number: 7/687,542
Classifications