Arrangement for both channel swapping and favorite channel features
First Claim
1. In a tuning system apparatus comprising:
- present channel register means for storing, in binary form, the channel number of a presently selected channel;
saved channel register means for storing, in binary form, the channel number of a previously stored channel;
favorite channel store means for generating a favorite channel store signal;
favorite channel recall means for generating a favorite channel recall signal independently of said favorite channel store signal;
swap means for generating a channel swap signal independently of said favorite channel store and favorite channel recall signals; and
control means for entering the contents of said present channel register means in said saved channel register means without disturbing the contents of said present channel register in response to said favorite channel store signal, for entering the contents of said saved channel register means in said present channel register means without disturbing the contents of said saved channel register in response to said favorite channel recall signal and for exchanging the contents of said present channel register means and said saved channel register means in response to said channel swap signal.
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Accused Products
Abstract
The channel selection apparatus of a tuning system includes a present channel number register, a temporary register, a saved channel number register and a control unit for selectively controlling the three registers to (a) interchange the contents of the present and saved channel number registers when a swap key is activated, (b) enter the contents of the present channel number register in the saved channel number register without disturbing the contents of the present channel register when a favorite channel store key is activated, and (c) enter the contents of the saved channel number register in the present channel number register without disturbing the contents of the saved channel number register when a favorite channel recall key is activated.
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Citations
5 Claims
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1. In a tuning system apparatus comprising:
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present channel register means for storing, in binary form, the channel number of a presently selected channel; saved channel register means for storing, in binary form, the channel number of a previously stored channel; favorite channel store means for generating a favorite channel store signal; favorite channel recall means for generating a favorite channel recall signal independently of said favorite channel store signal; swap means for generating a channel swap signal independently of said favorite channel store and favorite channel recall signals; and control means for entering the contents of said present channel register means in said saved channel register means without disturbing the contents of said present channel register in response to said favorite channel store signal, for entering the contents of said saved channel register means in said present channel register means without disturbing the contents of said saved channel register in response to said favorite channel recall signal and for exchanging the contents of said present channel register means and said saved channel register means in response to said channel swap signal. - View Dependent Claims (2, 3, 4, 5)
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Specification