Roller mouse for implementing scrolling in windows applications

Details Roller mouse for implementing scrolling in windows applications Roller mouse for implementing scrolling in windows applications

1994-08-10

1996-06-25

Weldon, Ulysses

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345156, 345123, G09G 508

Patent

active

055304559

ABSTRACT:
A computer mouse having a roller which implements a scrolling function for computer programs, particularly those running a windows format. In one embodiment, scrolling is implemented by sending messages to a queue associated with a windows kernel. The kernel interprets scrolling messages from the roller in the same manner as messages generated in the usual way from a graphical user interface. Rapid turning of the roller generates pulses which are stored in a buffer and interpreted as energy which is drawn from the buffer even after the roller stops turning so that scrolling continues until stopped or until the buffer is depleted.

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