Incremental coder

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Description

FIG. 1 is a left side elevational view of an incremental coder showing my new design, the right side elevational view thereof being a mirror image;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top, front and right side perspective view thereof.

Referenced Cited
U.S. Patent Documents
D213563 March 1969 Mabuchi
D298228 October 25, 1988 Hoshino
4728834 March 1, 1988 Kumar et al.
4806811 February 21, 1989 Mayumi et al.
Other references
  • Encoders on p. 350 of Design News Oct. 3, 1988, Located in PTO Group 290 Library. Incremental encoder on p. 127 of Design News Feb. 13, 1989, Located in PTO Group 290 Library.
Patent History
Patent number: D329839
Type: Grant
Filed: Jul 6, 1990
Date of Patent: Sep 29, 1992
Assignee: Hohner Automation Societe Anonyme (Eckbolsheim)
Inventor: Michel Ehrhart (Strasbourg)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Law Firm: Young & Thompson
Application Number: 7/548,843