Picture information composite system

Details Picture information composite system Picture information composite system

1988-08-29

1990-07-17

Oberley, Alvin

Communications: electrical

Land vehicle alarms or indicators

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

340814, 340716, G06F 314

Patent

active

049423916

ABSTRACT:
The present invention provides a composite picture information system that is able to compose pictures from digital data from separate sources. An extended (main) information processor (40) is mechanically configured so that an auxiliary information processor (10) can be docked with it. The extended and auxiliary information processors are each configured so that they can be independently operated and can each provide as an output an analog video signal defining a picture. When the information processors are docked, the auxiliary information processor stops generating its own video signal. Instead, it reads out digital display data based on a synchronizing signal provided by an extended (main) information processor, and provides its digital data to the extended (main) information processor. The extended information processor composes a composite image and creates a video signal indicative of the composed image using its own digital display data and the digital display data provided by the auxiliary information processor. The composite picture is composed digitally and then converted to a video signal thereby providing a very accurate composite picture.

REFERENCES:
patent: 4094000 (1978-06-01), Brudevold

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