Tactile scroll bar with illuminated document position indicator

Details Tactile scroll bar with illuminated document position indicator Tactile scroll bar with illuminated document position indicator

2005-04-15

2008-12-30

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Mechanical control

C345S156000

Reexamination Certificate

active

07471284

ABSTRACT:
A tactile touch-sensitive device for use as an electronic input device for indicating a position of an electronic document on a display device is described. The illuminable document position indicator aspect of the device provides a relative location of the electronic document on the display. The device may be included as part of a keyboard or an electronic book device. The illuminable document position indicator may be one or more static illuminable LEDs and/or a moveable light source and pivotable translucent elements which act as light wave guides. A controller may be used to control the illuminable document position indicator. The controller may change the color and/or intensity of LEDs based upon a displayed location of the electronic document relative to a beginning and an end of the electronic document.

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patent: 2005/0062732 (2005-03-01), Sinclair et al.
patent: 55114909 (1980-09-01), None

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