Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takuzo Mitsuse0
Hirofumi Kuwahara0
Date of Patent
July 13, 2010
0Patent Application Number
117973900
Date Filed
May 3, 2007
0Patent Primary Examiner
Patent abstract
The present invention relates to a CATV circuit with an automatic noise controller and a CATV system using the CATV circuit. The CATV circuit is used for automatically reducing upstream noises occurred in a CATV circuit for bidirectional communications between a control center and a home terminal. A variable attenuation method is applied to the CATV circuit, and a noise level measurement method is applied to measure the upstream noise level and control the attenuation rate according to the measured noise level.
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