Loudspeaker system automatically switched between video and audio units
AssigneeSony Corporation
InventorShigemi Ueno
Life of this patent
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Abstract
An acoustic sound reproducing system includes an audible signal reproducing apparatus, television receiver and a speaker system. The audible signal reproducing apparatus and the speaker system are connected to the television receiver. The television receiver has a power switch and a selecting switch which exchanges an output signal from the audio signal reproducing apparatus for an output signal from the television receiver when the power switch is changed to an on-position.
Claims10
A television receiver including a demodulator for demodulating a received audio signal, said television receiver comprising:
- amplifier means for amplifying a demodulated audio signal from said demodulator;
- an external input terminal for receiving a second audio signal;
- selecting means for selecting one of the output audio signal from said amplifier means and the second audio signal through said input terminal;
- and
- electric power control means for controlling a supply of electric power to said demodulator and said amplifier means and for controlling said selecting means to exchange receipt of the second audio signal from said input terminal for the output signal from said amplifier means when said amplifier means is supplied with the electric power.
An acoustic sound reproducing system comprising:
- an audio signal reproducing apparatus;
- a television receiver including a demodulator for demodulating a received audio signal, selecting means, and electric power control means, said television receiver being connected to said audio signal reproducing apparatus, said selecting means exchanging the receipt of an output signal from said audio signal reproducing apparatus for an output signal of said demodulator when said electric power control means supplies power to said demodulator;
- and
- a speaker connected to said television receiver, said speaker being supplied with an output signal from said selecting means.
Dependencies are inferred from the claim text.