Imaging device with high speed shuttering

Details Imaging device with high speed shuttering Imaging device with high speed shuttering

1993-04-29

1995-02-28

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

313537, H01J 3150

Patent

active

053939727

ABSTRACT:
An object of this invention is to provide an imaging device which can output distinct images which are not blurred. According to this invention, photoelectrons emitted from a photocathode (2) during a gate period in which a low potential change is given to the photocathode have set energy different from that of photoelectrons during the other period, and are incident on an energy filter (9). Only photoelectrons of the set energy pass through the energy filter (9). The photoelectrons which have passed through the energy filter during a gate period advance to an output surface (3).

REFERENCES:
patent: 3633478 (1972-01-01), Ishimatsu
patent: 3796901 (1974-03-01), Mayer et al.
patent: 3934170 (1976-01-01), Enck, Jr. et al.
patent: 4740685 (1988-04-01), Koishi
patent: 4801796 (1989-01-01), Kinoshita et al.
patent: 4926039 (1990-05-01), Garfield et al.
Stoudenheimer et al., "An Image-Converter Tube for High-Speed Photographic Shutter Service", RCA Review, vol. 18, No. 3, Sep. 1957, pp. 322-331.

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