Operation of storage tubes having secondary electron emissive ta

Details Operation of storage tubes having secondary electron emissive ta Operation of storage tubes having secondary electron emissive ta

1975-05-01

1977-01-18

Wilbur, Maynard R.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

With secondary emission stage in the cathode-ray tube

340173CR, H01J 2941

Patent

active

040041824

ABSTRACT:
A method of operating a storage tube having a secondary electron emissive storage target includes applying selected bias voltages to the target during the writing and erasure steps to control the electron emission ratio, which during writing is less than unity and which during erasure is greater than unity.
This permits the voltage on the target during writing to be of the same order as the voltage present during reading, and this enhances the resolution and performance of the tube.

REFERENCES:
patent: 2726328 (1955-12-01), Clogston
patent: 2821653 (1958-01-01), Dyer
patent: 3611000 (1971-10-01), Johnston
patent: 3774066 (1973-11-01), Kazan
patent: 3831054 (1974-08-01), Dorsey et al.

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