Magnetically shielded image dissector tube camera

Details Magnetically shielded image dissector tube camera Magnetically shielded image dissector tube camera

1977-03-17

1980-08-19

Griffin, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

335214, 358100, H04N 500

Patent

active

042187125

ABSTRACT:
Image dissector camera with either of two shielding embodiments permits camera to be moveably mounted in earth's magnetic field and strong electrical magnetic fields. Each embodiment includes one or more mu metal closure members adapted to attenuate both axial and radial magnetic fields while the camera is stationary or being moved through the magnetic fields.

REFERENCES:
patent: 2047020 (1936-07-01), Flaherty
patent: 2605433 (1952-07-01), Friend
patent: 3008002 (1961-11-01), Kingsbury
patent: 3052809 (1962-09-01), Bahring et al.
patent: 3114799 (1963-12-01), Waters et al.
patent: 3126498 (1964-03-01), Bendell
patent: 3283200 (1966-11-01), Pallakoff
patent: 3809889 (1974-05-01), McBroom
patent: 3887766 (1975-06-01), Caswell
patent: 4028730 (1977-06-01), Miller
patent: 4039986 (1977-08-01), Nakazawa et al.

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