Jeffrey W Busch

US Patent:

51810158, Jan 19, 1993

Filed:

Nov 9, 1990

Appl. No.:

7/611416

Inventors:

Roger N. Marshall - Solana Beach CA
Lane T. Hauck - San Diego CA
Leonid Shapiro - Lakeside CA
Jeffrey W. Busch - San Diego CA
Eric S. Stevens - El Cajon CA

Assignee:

Proxima Corporation - San Diego CA

International Classification:

G09G 302

US Classification:

340706

Abstract:

A method and apparatus facilitates the alignment and light sensitivity adjustment of an optical computer input system, which includes a user generated light directed onto a screen bearing a computer generated image, to convey information to the computer interactively by the user, even in a darkened room. The system discriminates between the user generated image, and the computer generated image. Devices facilitate the proper alignment of the system with the screen, as well as proper light sensitivity adjustments.

US Patent:

54899230, Feb 6, 1996

Filed:

Nov 19, 1993

Appl. No.:

8/154817

Inventors:

Roger N. Marshall - Solana Beach CA
Lane T. Hauck - San Diego CA
Leonid Shapiro - Lakeside CA
Jeffrey W. Busch - San Diego CA
Eric S. Stevens - El Cajon CA

Assignee:

Proxima Corporation - San Diego CA

International Classification:

G09G 500

US Classification:

345156

Abstract:

A method and apparatus facilitates the alignment and light sensitivity adjustment of an optical computer input system, which includes a user generated light directed onto a screen bearing a computer generated image, to convey information to the computer interactively by the user, even in a darkened room. The system discriminates between the user generated image, and the computer generated image. Devices facilitate the proper alignment of the system with the screen, as well as proper light sensitivity adjustments.