To present a digital broadcast demodulator, in a demodulator of digital terrestrial wave broadcast for transmitting coded digital video and audio information in a packet form, capable of detecting packet synchronism stably and precisely, controlling the AGC, and processing the clock regeneration, in spite of inferior environments for receiving broadcast, such as deterioration of C/N of signal due to weak electric field, or strong ghost or multipath characteristic of terrestrial waves.

 
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< Apparatus for processing luminance signal

< Television signal transmitter including a bandpass filter without tracking error

> Remote control network system for remotely controlling a plurality of electric apparatus such as home appliances

> Color image pickup device

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