Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP6890177ApriorityCriticalpatent/JPS544051A/en
Publication of JPS544051ApublicationCriticalpatent/JPS544051A/en
PURPOSE: To keep excellent video quality for television receivers, by providing a fixed bias source corresponding to the AGC threshold voltage on the ACG line and by operating the tuner with the maximum sensitivity even with the power supply voltage reduced.
COPYRIGHT: (C)1979,JPO&Japio
JP6890177A1977-06-131977-06-13Automatic gain control unit
PendingJPS544051A
(en)