Method and apparatus for displaying radar video registered with

Details Method and apparatus for displaying radar video registered with Method and apparatus for displaying radar video registered with

1978-04-28

1979-07-24

Wilbur, Maynard R.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

3435CD, 358 50, 340745, 340795, 340703, G01S 706, H04N 909

Patent

active

041624947

ABSTRACT:
A method and apparatus for use in air-traffic control are described for maintaining substantial registration alignment between radar video signals and associated computer generated data on a television monitor. It is a requirement of the monitor display that the radar video, such as raw radar, map video, etc., be displayed with a long time constant to show the history of the radar trails. Simultaneously, the associated computer generated data, such as vectors, alpha-numerics, etc., must be displayed properly registered with the radar video on the same monitor with a short time constant. This is necessary to avoid smearing, since the latter data moves on the monitor screen as the radar pattern changes. In accordance with the present invention, the radar and computer data are combined into a single cathode ray tube, photographed by a pair of vidicons having different time lag characteristics, and the images of the latter combined on a television monitor.

REFERENCES:
patent: 2506127 (1950-05-01), Allen
patent: 3030443 (1962-04-01), Groll et al.
patent: 3112360 (1963-11-01), Gregg
patent: 3191169 (1965-06-01), Schulman et al.
patent: 3522463 (1970-08-01), Bishop
patent: 3652786 (1972-03-01), Morishita
patent: 3718751 (1973-02-01), Landre et al.

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