Program set controller

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Description

FIG. 1 is a front, top and right side perspective view of a program set controller showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a rear, bottom and left side perspective view thereof.

Referenced Cited
U.S. Patent Documents
D292394 October 20, 1987 Boucher
D305020 December 12, 1989 Naoi et al.
D325900 May 5, 1992 Shimizu et al.
4510565 April 9, 1985 Dummermuth
4638452 January 20, 1987 Schultz et al.
4937777 June 26, 1990 Flood et al.
Other references
  • Logic controller on p. 21 of Control Engineering, Dec. 1989. Texas Instruments programmable controllers on p. 74 of Control Engineering, Jul. 1989. Omron programmable controller on p. 2 of Control Engineering, May 1989. Programmable controller on p. 76 of Control Engineering, Jul. 1989.
Patent History
Patent number: D358369
Type: Grant
Filed: Jul 26, 1993
Date of Patent: May 16, 1995
Assignee: Koyo Electronics Industries Co., Ltd. (Tokyo)
Inventors: Norio Shimizu (Tokyo), Yuichi Watanabe (Tokyo)
Primary Examiner: Joel Sincavage
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 0/11,084