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US 4,052,956 AGranted
Channel indicator
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsHitoshi Kurohata, Jun Kawai, Nobuyoshi Hizuka
Life of this patent
Estimating the term…
Abstract
A channel indicator for a television set etc. which comprises a thin film tape, on which tape the numbers of channels are printed, and a tape-advancing means which is linked to a tuner so that the tape is advanced to indicate the number of the channel that is selected by the tuner. The indicator also comprises a fine adjusting means for adjusting the tape so that the numbers of channels are placed appropriately in an indication window.
Claims3
A channel indicator comprising:
- a thin film tape having channel numbers printed thereon;
- a sprocket drum for advancing said thin film tape by its rotation;
- a pair of reels to which both ends of said thin film tape are fixed, respectively;
- a linking means for rotating said reels in response to the rotation of said sprocket drum;
- a housing which encases the above-mentioned elements and has a window for indicating said channel number on the thin film tape therefrom;
- a channel selector, a shaft of which has tuning means, the tuning frequency of which is controlled by revolving said shaft;
- a gear means linked to said shaft;
- and
- an adjustable engaging means including a pair of engaging members both having radial notches on engaging faces, respectively, and a spring means which pushes said engaging members toward each other so that said radial notches on said engaging faces are pressed to each other with a specified force thereby engaging said pair of engaging members, said engaging means rotatably linking said gear means and said sprocket drum.
6 more elements
Dependencies are inferred from the claim text.