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Patent Searching and Data


Title:
【発明の名称】テレビジョン信号の復調器
Document Type and Number:
Japanese Patent JP2992034
Kind Code:
B2
Abstract:
A phase lock loop demodulator has its loop amplifier and filter designed such that the transfer function of the amplifier and filter is optimized for the presence of sound and color subcarriers. An equalizer circuit is included in the demodulator for equalizing the demodulator response and has a transfer function which is independent of the transfer function of the loop filter and amplifier whereby to render the demodulator insensitive to small frequency errors around the subcarrier frequencies.

Inventors:
BIICHI BURIAN HAABAATO
Application Number:
JP50500286A
Publication Date:
December 20, 1999
Filing Date:
September 24, 1986
Export Citation:
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Assignee:
INDEPENDENTO BUROODOKYASUTEINGU OOSORITEI
International Classes:
H03D3/24; H03D3/02; H03L7/093; H04N5/455; (IPC1-7): H04N5/455
Attorney, Agent or Firm:
Takehiko Suzue (1 person outside)