ROBERT LOUIS KUEHLTHAU
Pilots at Riverview Dr, Huntsville, AL
License number
Alabama A2456754
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
5302 Riverview Dr SE, Huntsville, AL 35803
Professional information
Floating Coordinate System
US Patent:
4334124, Jun 8, 1982
Filed:
Mar 26, 1980
Appl. No.:
6/134345
Inventors:
Bruce E. Imsand - Huntsville AL
Robert L. Kuehlthau - Huntsville AL
Robert L. Kuehlthau - Huntsville AL
Assignee:
Intergraph Corporation - Huntsville AL
International Classification:
G08C 2100
US Classification:
178 19
Abstract:
Apparatus for determining the position of a cursor with respect to a floating coordinate system, such as a menu. The floating menu incorporates two sensing devices similar to that in the cursor. A processing unit determines the position of the two sensing devices and the position of the cursor with respect to a fixed coordinate system. From this data the position of the cursor with respect to the floating menu is determined.