Position detection stylus pen for a graphic tablet

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Description

FIG. 1 is a top front side perspective view of a position detection stylus pen for a graphic tablet showing our new design;

FIG. 2 is an end elevational view thereof;

FIG. 3 is a side elevational view thereof opposite that shown in FIG. 1;

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D242632 December 7, 1976 McPherson
D294263 February 16, 1988 Rodgers et al.
D294388 February 23, 1988 Hardy, Jr. et al.
D303683 September 26, 1989 Brock
D307421 April 24, 1990 Tedham et al.
4667182 May 19, 1987 Murphy
4705942 November 10, 1987 Budrikis et al.
4922236 May 1, 1990 Heady
Patent History
Patent number: D322064
Type: Grant
Filed: Sep 6, 1989
Date of Patent: Dec 3, 1991
Assignee: Cherry Electrical Products Limited (Hertfordshire)
Inventors: Mohammed K. Chowdhree (Watford), Hugo G. Poole (Knowle)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Freda S. Nunn
Attorney: Howard L. Rose
Application Number: 7/403,328
Classifications
Current U.S. Class: D14/114; Simulative (D19/42)