07623115 is referenced by 121 patents and cites 233 patents.

An input device for interfacing with a computing device is provided. The input device includes a body configured to be held within a human hand. The input device includes a light emitting diode (LED) affixed to the body and a power supply for the LED. A mode change activator is integrated into the body, where the mode change activator is configured to cause a change of a color of a light originating from the LED. The color change is capable of being detected to cause a mode change at the computing device. Methods for detecting input commands from an input source within a field of sight of an image capture device, and a computing system which includes the input device are provided.

Title
Method and apparatus for light input device
Application Number
10/759782
Publication Number
7623115 (B2)
Application Date
January 16, 2004
Publication Date
November 24, 2009
Inventor
Richard L Marks
Foster City
CA, US
Agent
Martine Penilla & Gencarella
Assignee
Sony Computer Entertainment
JP
IPC
G09G 5/00
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