Adjustable ionization chamber

Details Adjustable ionization chamber Adjustable ionization chamber

1977-11-21

1980-03-18

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

313146, 313149, H01J 3928

Patent

active

041941209

ABSTRACT:
An ionization chamber with two electrodes having a variable spacing and with a radioactive source for the ionization of the electrode gap therebetween includes an adjusting mechanism for the positional adjustment of one of the electrodes relative to the other. The mechanism is such that a spring element presses the adjustable electrode against at least one point of the adjusting mechanism.
Several arrangements are disclosed for adjustably mounting a cup-shaped electrode in the housing of the chamber in such a manner that it is readily adjustable and will not undergo spurious readjustment as a result of vibration of shock.

REFERENCES:
patent: 1722326 (1929-07-01), Dubilier
patent: 1729704 (1929-10-01), Brokaw
patent: 1740159 (1929-12-01), Dubilier
patent: 1743019 (1930-01-01), Barone et al.
patent: 2179068 (1939-11-01), Sprague
patent: 3710110 (1973-01-01), Lampart et al.
patent: 3767917 (1973-10-01), Lampart et al.
patent: 3909815 (1975-09-01), Gacogne et al.

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