Combined microphone, speaker and amplifier

- Sony Corporation
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Description

FIG. 1 is a top, front and right-side perspective view of a combined microphone, speaker and amplifier showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

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

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D182820 May 1958 Kamp
D185860 August 1959 Armstrong et al.
D296781 July 19, 1988 Kohno
D321692 November 19, 1991 Siddoway et al.
3626617 December 1971 Frey
4527019 July 2, 1985 Lemp
Patent History
Patent number: D332608
Type: Grant
Filed: Jul 31, 1990
Date of Patent: Jan 19, 1993
Assignee: Sony Corporation (Tokyo)
Inventor: Yoshihiro Masagaki (Kanagawa)
Primary Examiner: Melvin B. Feifer
Attorneys: Lewis H. Eslinger, Jay H. Maioli
Application Number: 7/560,330