Generating a scan velocity modulation signal

Details Generating a scan velocity modulation signal Generating a scan velocity modulation signal

2008-05-06

2008-05-06

Lee, M. (Department: 2622)

Television

Image signal processing circuitry specific to television

Transition or edge sharpeners

C348S626000

Reexamination Certificate

active

10532916

ABSTRACT:
The processing unit (1) for generating a scan velocity modulation signal (DS) has an input for receiving a video signal (VS) and an output for supplying a modulation signal (DS). The unit (1) comprises a series connection of, successively, a coring circuit (C), a differentiator (D), and a limiter (L). The display device (16) comprises a cathode ray tube (10) and the processing unit (1).

REFERENCES:
patent: 4571511 (1986-02-01), Dischert et al.
patent: 5196941 (1993-03-01), Altmanshofer
patent: 5528312 (1996-06-01), No et al.
patent: 6148116 (2000-11-01), Park et al.
patent: 064911 (1979-10-01), None

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