Remote control for interactive television

Details Remote control for interactive television Remote control for interactive television

2005-12-13

2005-12-13

Chang, Kent (Department: 2675)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

C348S734000

Reexamination Certificate

active

06975301

ABSTRACT:
An improved remote control for interactive televisions is disclosed. The conventional remote control is improved by adding a light-scope as a remote-pointing device for defining an aiming point on the television screen. The light-scope consists of a photo detector and a lens system that defines a very narrow filed of view. An LED, driven by an electric signal converted from the light signal entering the light-scope, is used to create a communicating light signal. The communicating light signal, which is to some extent a replica of the light emitted from the aiming point, is sent back to the television for determine the aiming point.

REFERENCES:
patent: 4591841 (1986-05-01), Gunderson
patent: 4959721 (1990-09-01), Micic
patent: 5767919 (1998-06-01), Lee
patent: 5793361 (1998-08-01), Kahn

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