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Application filed by Chi Mei Optoelectronics CorpfiledCriticalChi Mei Optoelectronics Corp
Priority to TW94108312ApriorityCriticalpatent/TWI283854B/en
Publication of TW200634720ApublicationCriticalpatent/TW200634720A/en
Application grantedgrantedCritical
Publication of TWI283854BpublicationCriticalpatent/TWI283854B/en
A white tracking method including following steps is provided. First, a first, a second and a third input signal are provided. Then, a checking process of determining whether to obtain a set of coefficients by consulting a coefficient table is carried out, according to the values of the input signals. If the conclusion of the checking shows that consulting the coefficient table is needed, a first, a second and a third output signal are outputted, according to the set of the coefficients. If the conclusion of the checking shows that consulting the coefficient table is unneeded, a first, a second and a third output signal are outputted, according to the first, the second and the third input signal.