Dual cathode-ray tube display system for text editing

Details Dual cathode-ray tube display system for text editing Dual cathode-ray tube display system for text editing

1980-07-03

1983-12-06

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

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

340717, 340751, 340731, G09G 116

Patent

active

044196610

ABSTRACT:
A cathode-ray tube display device including first and second cathode-ray tube displays. The first cathode-ray tube displays an entire screen full of characters and symbols or the like in dot matrix form. One of the characters from the first cathode-ray tube can be transferred and displayed upon the second cathode-ray tube with the use of a light pen applied to the screen of the first cathode-ray tube display. The selected character can then be edited or corrected on the second cathode-ray tube display and then transferred back to the first cathode-ray tube display.

REFERENCES:
patent: 3189889 (1965-06-01), Bridgett
patent: 4022969 (1977-05-01), McKinlay
patent: 4091374 (1978-05-01), Muller et al.
patent: 4303916 (1981-12-01), Hakaridani et al.

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