Programmable logic controller

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.

Claims

The ornamental design for a programmable logic controller, as shown and described.

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Inventors:	Nakai; Tatsunobu (Osaka, JP)
Assignee:	Idec Izumi Corporation (Osaka, JP)
Appl. No.:	D/020,581
Filed:	March 29, 1994

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Foreign Application Priority Data

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Oct 4, 1993 [JP]			5-30187

Current U.S. Class:	D13/162.1
Field of Search:	;D13/162,164 ;361/686,752

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References Cited [Referenced By]

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U.S. Patent Documents

D290694	July 1987	Shimizu et al.
D316247	April 1991	Llabres et al.
D351827	October 1994	Shimizu et al.

Foreign Patent Documents

	753559		Jan 1989		JP
	813212		May 1991		JP
	818985		Sep 1991		JP
	748730		Jan 1992		JP
	826244		Jan 1992		JP
	827391		Jan 1992		JP
	846663		Sep 1992		JP
	851363		Nov 1992		JP
	860498		Mar 1993		JP
	883727		Dec 1993		JP

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..

Primary Examiner: Sincavage; Joel
Attorney, Agent or Firm: Pollock, Vande Sande & Priddy