Cursor control for a digitizing table

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Description

FIG. 1 is a top plan view of a cursor control for a digitizing tablet showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof, the front portion being shown in an alternate position;

FIG. 7 is a top, front and right side perspective view thereof; and

FIG. 8 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D281776 December 17, 1985 Griffin
D283818 May 13, 1986 Skaggs
D285445 September 2, 1986 Davis et al.
D288816 March 17, 1987 Rockwell
D299140 December 27, 1988 Nakamura
Other references
  • Computer Products--Oct. 1985--p. 22--Houston Instrument Digitizers--Computer Box.
Patent History
Patent number: D309449
Type: Grant
Filed: Jul 22, 1988
Date of Patent: Jul 24, 1990
Assignee: Crosfield Electronics Limited (London)
Inventors: Lindsay W. MacDonald (Bedfordshire), Robert G. Buxton (Knutsford), Peter Grayson (Manchester)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Freda S. Nunn
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 7/223,197
Classifications
Current U.S. Class: D14/114