Central processing unit module for a programmable controller

- General Electric
Description

FIG. 1 is a left side elevational view of a central processing unit module for a programmable controller showing my new design wherein a conventional multi-pin connector is shown in phantom lines for information purposes only and forms no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

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

FIG. 7 is a rear and bottom perspective view thereof.

Referenced Cited
U.S. Patent Documents
D281493 November 26, 1985 Prager et al.
D292394 October 20, 1987 Boucher
D306576 March 13, 1990 Hiatt et al.
D309466 July 24, 1990 Russell
D325900 May 5, 1992 Shimizu et al.
4151580 April 24, 1979 Struger et al.
4152750 May 1, 1979 Bremenour et al.
4672511 June 9, 1987 Meusel et al.
4920453 April 24, 1990 Onose et al.
4991056 February 5, 1991 Shimizu et al.
5043847 August 27, 1991 Deinhardt et al.
Other references
  • Programmable controller in Koyo Electronics Industries brochure, No. 077-1-1DG, Jul. 1988. Programmable controller on p. 76 of Control Engineering, Jul. 1989. Programmable controller on p. 12 of Control Engineering, Sep. 1989. Programmable controller on p. 21 of Control Engineering, Dec. 1989.
Patent History
Patent number: D345143
Type: Grant
Filed: Jan 11, 1991
Date of Patent: Mar 15, 1994
Assignee: GE Fanuc Automation North America, Inc. (Charlottesville, VA)
Inventor: Sherman G. Thomas (Earlysville, VA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Attorney: James H. Beusse
Application Number: 7/639,998
Classifications