Patent ID: 7542861
Filing Date: 2009-06-02
Classification: G01D

Abstract:
1. An LED calibration system, comprising: a calibration host, for generating an image capturing control signal and using a calibration computation to generate an instruction data input signal; an image capturing device, for receiving said image capturing control signal to perform image capturing and to generate an image capturing data; and a plurality of LED modules, each said LED module having a self-test enabling signal, an instruction data input signal and an instruction data output signal, said instruction data input signal of a said LED module being connected to said instruction data input signal of said calibration host, and said LED modules being connected in cascaded manner, said instruction data output signal of a previous said LED module being connected to said instruction data input signal of a next said LED module, said LED module further comprising: wherein said instruction data input signal of said calibration host comprising an instruction byte and a plurality of data bytes, based on said self-test enabling signal, said controller determining whether to enter a self-test mode, and said controller further determining whether to enter a calibration mode or a normal display mode in accordance with said instruction byte.