H - Electricity – 04 – B
Patent
H - Electricity
04
B
365/4, 350/94
H04B 1/06 (2006.01) H04B 1/16 (2006.01) H04N 5/45 (2006.01)
Patent
CA 1132271
ABSTRACT OF THE DISCLOSURE A channel selecting apparatus for use with a video signal reproducer coupled to first and second tuners. The channel selecting apparatus tunes the first and second tuners to preselected channels for receiving television signals having synchronizing signals. The apparatus has selecting operable channel selectors common to the first and second tuners for generating and supplying channel selector signals to the first and second tuners to determine the tuning condition of both. First and second manual adjusters adjust the tuning conditions of the first and second tuners, respectively; and a switch having first and second inputs are coupled to the first and second tuners, respectively, to receive television signals con- tained in the channels to which the first and second tuners are tuned. An output is coupled to the signal receiver, characterized by a switching signal generator for generating a switching signal to control the switch, the switching signal being formed from the synchronizing signal contained in the output of said first or second tuners, whereby a signal of one field period supplied to the video signal reproducer is composed of the out- puts of the tuners when the tuning conditions of tuners are adjusted by the first and second manual adjusters.
326773
Kaneko Yoshiro
Sato Masaru
Gowling Lafleur Henderson Llp
Sony Corporation
LandOfFree
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