Patent ID: 6271981
Filing Date: 2001-08-07
Classification: H04N

Abstract:
A signal detecting device for detecting a pilot signal component from a modulated digital signal which contains binary information serially by bit and a pilot signal component, comprising:clock generating means for generating a clock which synchronizes with the modulated digital signal, the clock having a frequency that is sufficiently higher than a frequency of the pilot signal component;converting means for converting the modulated digital signal into a digital data stream including a plurality of bits corresponding to each one-bit of the binary information;restoring means for restoring the plurality of bits obtained from said converting means to the one-bit of the binary information;reducing means for reducing an amount of data of the digital data stream converted by said converting means; anddetecting means for detecting the pilot signal component by using the output of said reducing means,wherein the digital data stream converted by said converting means is commonly utilized for restoring the binary information and for detecting the pilot signal component.