US Patent:
20060214089, Sep 28, 2006
Inventors:
Byoung An - Saratoga CA, US
International Classification:
H01L 31/00
Abstract:
A noble method and apparatus was invented to provide a simple and flexible way to monitor the output signal of various light sources and to adjust the sensitivity of light sensors in real time. A preferred embodiment of the current invention consists of a tri-color light sensor with integral optical filters, a sensor mounting mechanism, a signal amplification circuit with an operational amplifier and a gain control logic for each channel, and a signal conditioning circuit. A noble connector pad configuration allows a secure and compact light sensor module.