Arithmetric control unit for an electronic computer

- NEC Corporation
Description

FIG. 1 is a front top and right side perspective view of an arithmetic control unit for an electronic computer showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left 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
D292515 October 27, 1987 Martin
D293443 December 29, 1987 Davis et al.
D301139 May 16, 1989 Sato et al.
D303110 August 29, 1989 Ji
D304931 December 5, 1989 Hara et al.
D306014 February 13, 1990 Loose et al.
D307135 April 10, 1990 Sato et al.
D311173 October 9, 1990 Cheng et al.
D311729 October 30, 1990 Uchihori
Patent History
Patent number: D322427
Type: Grant
Filed: Nov 20, 1989
Date of Patent: Dec 17, 1991
Assignee: NEC Corporation (Tokyo)
Inventors: Taneaki Chiba (Tokyo), Kimio Nobeashi (Tokyo)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Freda S. Nunn
Law Firm: Sughrue, Mion, Zinn Macpeak & Seas
Application Number: 7/438,367
Classifications
Current U.S. Class: D14/100