Page turning effect generating apparatus

Details Page turning effect generating apparatus Page turning effect generating apparatus

1991-02-13

1993-08-03

Brier, Jeffery A.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340723, 340734, 358183, 395127, G09G 106

Patent

active

052333329

ABSTRACT:
A page turning effect generating apparatus for video signals is provided with a memory for storing a video signal, an output switch for switching incoming video signal and a memory output video signal in accordance with a switching control signal, and a control signal generator including a circuit for generating the switching control signal and a circuit for generating a read address to be supplied to the memory, wherein the read address generating circuit includes a convertor for non-linearly converting a first vector which represents one of the vector components of a vector expressing a scanning point of a display image from an origin of a modification, and a generator for generating a final vector by synthesizing the non-linearly converted first vector and a second vector which represents another of the vector components of the vector, the final vector indicating the read address to be supplied to the memory.

REFERENCES:
patent: 4682217 (1987-07-01), David et al.
patent: 4751660 (1988-06-01), Hedley
patent: 4831445 (1989-05-01), Kawabe
patent: 4860217 (1989-08-01), Sasaki et al.
patent: 5053762 (1991-10-01), Sarra

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