Recorders – Writers – Receiver and marker movable
Patent
1986-02-21
1987-09-29
Hartary, Joseph W.
Recorders
Writers
Receiver and marker movable
346161, 355 20, 355 53, 355 76, G03B 2732, G01D 1528
Patent
active
046971947
ABSTRACT:
A data recording device in which an emitter, normally an electron gun, is mounted within an evacuatable tube into which a sensitive recordable film may be introduced so that no part of the tube interposes between the emitter and the area of the film to be recorded. The film may be held on a grid in the tube or on a separate platen. The invention avoids the interposition of glass and coating material between the emitter and film and so can record with finer detail on the film. Also the device is very suitable for fast film handling by conveying the film on a gas stream into the tube and away.
REFERENCES:
patent: 3504371 (1970-03-01), Reeds
patent: 4176947 (1979-12-01), Spence-Bate
patent: 4240725 (1980-12-01), Spence-Bate
patent: 4455563 (1984-06-01), Tarnowski
Fidelman Morris
Hartary Joseph W.
Spence-Bate Joyce Florence
Wolffe Franklin D.
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