06832725 is referenced by 525 patents and cites 32 patents.

An imaging module in one embodiment includes at least one multiple color emitting light source comprising a plurality of different colored LED dies each independently driveable so that the overall color emitted by the light source can be controlled and varied. The multiple color emitting light source can be controlled so that the color emitted by the light source is optimized for imaging or reading in a present application environment of the module. Further, the module can be configured so that control of the multiple color emitting light source automatically varies depending on a sensed condition, such a color present in a field of view of the module, the distance of the module to a target, and/or a predetermined criteria being met so that feedback is provided to a user. The module in a further aspect can include illumination light sources and aiming light sources which project light in different wavelength emission bands.

Title
Optical reader comprising multiple color illumination
Application Number
10/93136
Publication Number
6832725 (B2)
Application Date
March 7, 2002
Publication Date
December 21, 2004
Inventor
Thomas Ruhlman
Skaneateles
NY, US
Melvin D McCall
Homer
NY, US
Vivian L Hunter
Baldwinsville
NY, US
William H Havens
Manlius
NY, US
Robert J Hennick
Auburn
NY, US
Colleen P Gannon
Jordan
NY, US
Michael Ehrhart
Liverpool
NY, US
Eric Coleman
Liverpool
NY, US
Charles P Barber
Fayetteville
NY, US
Robert C Gardiner
Fayetteville
NY, US
Agent
Wall Marjama & Bilinski
US
Assignee
Hand Held Products
NY, US
IPC
G06K 9/24
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