Mobile device with color discrimination

Details Mobile device with color discrimination Mobile device with color discrimination

2006-08-29

2006-08-29

Nguyen, Kien (Department: 3711)

Amusement devices: toys

Having light-or sound-responsive switch or control

C446S219000

Reexamination Certificate

active

07097532

ABSTRACT:
A mobile device with color discrimination for producing one of a plurality of pre-determined physical actions when disposed on an action surface includes a body having a set of wheels and a third point of contact with the action surface; means for executing a physical action; a color detection module including a broad spectrum illumination source with a source lens, the illumination source for producing a spot of light on the action surface; a photodetector with a bandpass filter, the photodetector for receiving light reflected from the spot of light and passed through the bandpass filter; a second photodetector with a second bandpass filter, the second photodetector for receiving light reflected from the spot of light and passed through the second bandpass filter; an electronics module including comparator circuits in electronic communication with the photodetectors; and a microcircuit in electronic communication with the comparator circuits and with the means for executing a physical action.

REFERENCES:
patent: 4874343 (1989-10-01), Rosenthal
patent: 5630743 (1997-05-01), Shi
patent: 6224454 (2001-05-01), Cheng et al.

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