Telegraphy – Systems – Simplex-reversing periodic
Patent
1975-01-02
1976-01-27
Safourek, Benedict V.
Telegraphy
Systems
Simplex-reversing periodic
178DIG34, H04N 514
Patent
active
039353842
ABSTRACT:
A low cost network for use in a television receiver for receiving a video signal and generating therefrom both a control signal for modulating the scan velocity of a CRT electron beam and a delayed video signal for intensity modulating the CRT electron beam with picture information. The network uses only one delay line for generating the control signal and the delayed video signal. A video signal is applied to an impedance means followed by a delay means coupled to a reflecting termination. The impedance of the impedance means is substantially equal to the characteristic impedance of the delay means. An output terminal from which the control signal is taken is included at a point between the impedance means and the delay means. The delayed video signal is generated by means responsive to the signal received by the reflecting termination from the delay means. The network may also be used to generate preshoot and overshoot peaking components for peaking the delayed video signal.
REFERENCES:
patent: 2678964 (1954-05-01), Loughlin
patent: 3830958 (1974-08-01), Fuse et al.
patent: 3849792 (1974-11-01), Holzrichter
Coult John H.
Saffian Mitchell
Safourek Benedict V.
Zenith Radio Corporation
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