Optical projection system for computer input devices

Details Optical projection system for computer input devices Optical projection system for computer input devices

2007-10-30

2007-10-30

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

C345S157000, C345S163000, C345S164000, C345S165000, C345S166000

Reexamination Certificate

active

10722418

ABSTRACT:
A computer input device, such as an electronic mouse, having an optical projection system. The optical projection system is configured to project an image onto a supporting surface upon which the device rests. In one arrangement the optical projection system includes a light source, an image forming light blocker and optics. The optics may be collimating or non-collimating. In another arrangement the optical projection system may include an active LED matrix display. This system enables a use to personalize and/or customize his or her computer input device. Additionally, it permits the device to serve desirable notification functions if one or more of various events have occurred in a computer application being run on the computer. An example of event for notification includes the receipt of a message in a communications program such as an e-mail message.

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