Microcomputer for testing electronic circuits

- Mars Incorporated
Description

FIG. 1 is a front view of a microcomputer for testing electronic circuits showing my new design with the keyboard pivoted to its lowered position so that the pushbutton side of the keyboard is uppermost;

FIG. 2 is a right hand side perspective view thereof;

FIG. 3 is a left hand side perspective view thereof with the keyboard pivoted to its raised position;

FIG. 4 is a rear perspective view thereof;

FIG. 5 is an enlarged plan view of the pushbutton side of the keyboard, the microcomputer housing being omitted for convenience of illustration;

FIG. 6 is an enlarged plan view of the opposite membrane switch side of the keyboard, the microcomputer housing being omitted for convenience of illustration;

FIG. 7 is a top, front, right hand side perspective of the microcomputer of the present invention, with the keyboard pivoted to its raised position; and

FIG. 8 is a top, front, right hand side perspective thereof with the keyboard pivoted to its lowered position.

Referenced Cited
U.S. Patent Documents
D273370 April 10, 1984 Eilert
D275756 October 2, 1984 Stirling
D275954 October 16, 1984 Gibson
D276232 November 6, 1984 Dix et al.
D288323 February 17, 1987 Ryan et al.
Patent History
Patent number: D299923
Type: Grant
Filed: Sep 27, 1985
Date of Patent: Feb 21, 1989
Assignee: Mars Incorporated (McLean, VA)
Inventor: Trevor Thompson (Wallingford)
Primary Examiner: Susan J. Lucas
Law Firm: Davis Hoxie Faithfull & Hapgood
Application Number: 6/780,839
Classifications
Current U.S. Class: D14/106; Electrical Property (D10/75)