Control system for positioning a marker on a cathode-ray tube di

Details Control system for positioning a marker on a cathode-ray tube di Control system for positioning a marker on a cathode-ray tube di

1982-03-18

1985-02-19

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

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

340710, 340724, G09G 100

Patent

active

045008760

ABSTRACT:
A control system for positioning a marker on a cathode-ray tube display (18) includes position registers (16) operable to store the position of the marker on the screen. Input means (11) generate signals which represent desired changes in the position of the marker. Comparison means (15) response to these signals to produce an output pulse corresponding to each increment of change in the position of the marker. Control means (14) control the operation of the comparison means. Frequency-sensitive means (17) are provided to control the rate at which pulses are applied to the position registers (16).

REFERENCES:
patent: 3667031 (1972-05-01), Cox, Jr. et al.
patent: 3863098 (1975-01-01), Mehr
patent: 4010463 (1977-03-01), Kay
patent: 4020391 (1977-04-01), Baxter
patent: 4079374 (1978-03-01), Cox, Jr.
patent: 4148014 (1979-04-01), Burson

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