TV signal receiver
First Claim
Patent Images
1. A TV signal receiver comprising:
- an input terminal for receiving an input signal;
a tuner coupled to the input terminal for deriving a first TV signal from the input signal;
a memory controlled by control means for storing therein and reading therefrom a plurality of blocks of a second TV signal also included in the input signal;
said first TV signal having interruption intervals during which at least one block of said second TV signal is insertable therein, the interruption intervals being accompanied by a first control signal for causing said memory control means to read at least one block of the second TV signal from the memory for insertion into an interruption interval of the first TV signal;
a signal-combining unit responsive to the first control signal to insert said block of the second TV signal into said interruption interval in the first control signal, to thereby obtain a composite TV signal; and
an output terminal at which said composite TV signal is supplied.
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Abstract
A TV signal receiver has a tuner for deriving a first TV signal from the input signal, and a device for storing in a memory and reading therefrom a plurality of blocks of a second TV signal derived from the input signal. The first TV signal has interruptions during which a block of the second TV signal is insertable so as to obtain a composite TV signal which is supplied at an output terminal of the receiver.
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Citations
14 Claims
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1. A TV signal receiver comprising:
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an input terminal for receiving an input signal;
a tuner coupled to the input terminal for deriving a first TV signal from the input signal;
a memory controlled by control means for storing therein and reading therefrom a plurality of blocks of a second TV signal also included in the input signal;
said first TV signal having interruption intervals during which at least one block of said second TV signal is insertable therein, the interruption intervals being accompanied by a first control signal for causing said memory control means to read at least one block of the second TV signal from the memory for insertion into an interruption interval of the first TV signal;
a signal-combining unit responsive to the first control signal to insert said block of the second TV signal into said interruption interval in the first control signal, to thereby obtain a composite TV signal; and
an output terminal at which said composite TV signal is supplied. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification