Mode detector for multimode monitor

Details Mode detector for multimode monitor Mode detector for multimode monitor

1992-09-18

1993-08-17

Ng, Jin F.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328138, 307519, H03K 906

Patent

active

052372235

ABSTRACT:
A mode detector of a multimode monitor comprising a band separation circuit for separating band of input vertical and horizontal frequencies to provide logic signals, a control signal generation circuit for providing mode control signals, and a mode control circuit for controlling each mode of the multimode monitor.
According to the present invention, the vertical and horizontal sizes, the vertical and horizontal oscillating frequencies, the horizontal pin cushion and the like can be automatically controlled according to the mode of input frequencies by detecting the mode of the input frequencies in the control signal generation circuit and by providing the combined logic signals of the control signal generation circuit to the mode control circuit.

REFERENCES:
patent: 4779132 (1988-10-01), McBeath et al.
patent: 4814878 (1989-03-01), Kishi et al.
patent: 4855826 (1989-08-01), Wischermann et al.
patent: 4916442 (1990-04-01), Kim

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