Multi-state one-button computer pointing device

Details Multi-state one-button computer pointing device Multi-state one-button computer pointing device

1994-12-30

1996-12-17

Weldon, Ulysses

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345157, G09G 508

Patent

active

055858236

ABSTRACT:
A multi-state, one-button computer mouse includes a housing movable over a reference surface, a tracking mechanism coupled to the housing to provide positional coordinates relative to the reference surface, a single button, and a switch mechanism coupled to the button. The single button is movable between a base position, a first button position, and a second button position by a force exerted on the button. The button is biased to the base position in absence of the force. The switch mechanism is coupled to the button such that it activates a first switch at the first button position and a second switch at the second button position. A computer system with the pointing device includes a processing unit, a visual display, a pointing device as described above, and a computer implemented process for indicating on the visual display when the button of the pointing device is in a locked button mode. A computer-implemented process for processing pointer data includes intercepting pointer data entered into the processing unit of the computer system, determining whether the pointer data includes locked button data, entering a locked button state if it is included, processing the pointer data in a pointer data handler, and changing a cursor image to be displayed on the visual display to indicate that the button is in the locked button state.

REFERENCES:
patent: 4464652 (1984-08-01), Lapson et al.
patent: 4654647 (1987-03-01), Wedam
patent: 5510810 (1996-04-01), Nishijima et al.

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