Method and apparatus for cursor movement control
First Claim
Patent Images
1. A method for moving a cursor on one of a plurality of graphics objects displayed on a display screen, comprising the steps of:
- (a) entering a signal for pointing to a position on the display screen;
(b) determining a point on the display screen in response to the signal entered in step (a);
(c) selecting a particular graphics object of said plurality of graphics objects;
(d) determining a point on said particular graphics object which is near to the point determined in step (b);
(e) displaying a cursor at the point determined in step (d); and
(f) repeating said steps (a) to (e) until a signal indicative of a cursor constraint release is entered.
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Accused Products
Abstract
A method for moving a cursor while constrained on a selected, displayed graphics object displayed on a display screen. Entering a signal for pointing to a position on the display screen, determining a point on the display screen in response to the entered signal, determining a point on the graphics object which is near to the point determined on the display screen, and displaying a cursor at the point determined on the graphics object.
52 Citations
13 Claims
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1. A method for moving a cursor on one of a plurality of graphics objects displayed on a display screen, comprising the steps of:
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(a) entering a signal for pointing to a position on the display screen; (b) determining a point on the display screen in response to the signal entered in step (a); (c) selecting a particular graphics object of said plurality of graphics objects; (d) determining a point on said particular graphics object which is near to the point determined in step (b); (e) displaying a cursor at the point determined in step (d); and (f) repeating said steps (a) to (e) until a signal indicative of a cursor constraint release is entered. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for moving a cursor on one of a plurality of graphics objects represented by a continuous series of segments on a display screen, comprising the steps of:
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(a) entering a signal for pointing to a position on the display screen; (b) selecting a particular graphics object of said plurality of graphics objects; (c) determining a segment li from the continuous series of segments displayed on the display screen and a point Qi on the display screen, in response to the signal entered in step (a); (d) determining a point Pi that is a projection of said point Qi onto the segment li; (e) displaying a cursor at said point Pi; and (f) repeating said steps (a) to (e) until a signal indicative of a cursor constraint release is entered. - View Dependent Claims (11, 12, 13)
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Specification