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Title:
PROGRAM TRACING DEVICE
Document Type and Number:
Japanese Patent JPH03214807
Kind Code:
A
Abstract:

PURPOSE: To enjoy a broadcast in an excellent reception state at all times by receiving the same program broadcast through plural channels with plural tuners and displaying a signal selected by a tuner with a maximum sensitivity among the plural tuners.

CONSTITUTION: The same program is broadcasted through plural channels at a prescribed district. The user designated the channel numbers by using a selector switch 11 and operates a registration switch 12 to register the channel number to a controller 1. The controller 1 controls a selection circuit 5 to allocate plural channels to a main tuner 3 and tuners 4a, 4b,.... A reception level of each tuner is detected by a level detection circuit 10 and information representing a tuner from which a maximum sensitivity is obtained is outputted to the controller 1. The controller 1 controls a reception channel from which the maximum sensitivity is obtained so as to be received by the main tuner 3 and an IF signal from the tuner 3 is supplied to a video circuit 6 and an audio circuit 7.


Inventors:
MATSUDA TETSUAKI
Application Number:
JP1041590A
Publication Date:
September 20, 1991
Filing Date:
January 18, 1990
Export Citation:
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Assignee:
TOSHIBA CORP
TOSHIBA AUDIO VIDEO ENG
International Classes:
H03J7/18; H04N5/44; (IPC1-7): H03J7/18; H04N5/44
Attorney, Agent or Firm:
Susumu Ito



 
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