Programmable logic controller

- Idec Izumi Corporation
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front elevational view of a programmable logic controller showing my 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;

FIG. 7 is a front, left and bottom perspective view thereof; and,

FIG. 8 is a perspective view thereof as seen from the rear and upper right.

Referenced Cited
U.S. Patent Documents
D290694 July 7, 1987 Shimizu et al.
D316247 April 16, 1991 Llabres et al.
D351827 October 25, 1994 Shimizu et al.
Foreign Patent Documents
753559 January 1989 JPX
813212 May 1991 JPX
818985 September 1991 JPX
748730 January 1992 JPX
826244 January 1992 JPX
827391 January 1992 JPX
846663 September 1992 JPX
851363 November 1992 JPX
860498 March 1993 JPX
883727 December 1993 JPX
Other references
  • Programmable controllers on cover of 1986 Mitsubishi literature C3344-A-NA-8609. Mitsubishi programmable controller on p. 1242 of Elektrotechnische Zeitschrift, Sep. 1992. Micro-1 Micro Programmable Controller For Small Machine Control, Idic Izumi Corporation, Cat. No. EP589-1, Dec. 1992, 5T Printed In Japan.
Patent History
Patent number: D368252
Type: Grant
Filed: Mar 29, 1994
Date of Patent: Mar 26, 1996
Assignee: Idec Izumi Corporation (Osaka)
Inventor: Tatsunobu Nakai (Osaka)
Primary Examiner: Joel Sincavage
Law Firm: Pollock, Vande Sande & Priddy
Application Number: 0/20,581
Classifications
Current U.S. Class: Control Panel, Console Or Module (D13/162)