Portable acoustic coupler

- Canon
Description

FIG. 1 is a front elevational view of a portable acoustic coupler showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D208787 October 1967 Bennstrom-Prescott
D265992 August 31, 1982 Hirata et al.
D272345 January 24, 1984 Kessler
D281878 December 24, 1985 Kawakami
D282256 January 21, 1986 Mizuno
D299457 January 17, 1989 Behnk
D333139 February 9, 1993 Poudore
3553374 January 1971 Wolf et al.
4833700 May 23, 1989 Seaburg
Patent History
Patent number: D341594
Type: Grant
Filed: Jul 6, 1992
Date of Patent: Nov 23, 1993
Assignee: Canon Kabushiki Kaisha (Tokyo)
Inventors: Hideki Kawai (Tokyo), Yoshinori Inukai (Tokyo), Tsutomu Yoshihara (Ayase), Yoshiyuki Matsuda (Kokubunji)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Jeffrey Asch
Law Firm: Fitzpatrick, Cella, Harper & Scinto
Application Number: 7/909,428
Classifications