Dental X-ray apparatus

Details Dental X-ray apparatus Dental X-ray apparatus

1976-10-04

1977-11-29

Church, Craig E.

Radiant energy

With charged particle beam deflection or focussing

With target means

250421, 250493, 250439P, H05G 110

Patent

active

040607313

ABSTRACT:
Apparatus for obtaining extra- and/or intra-oral dental X-ray photographs comprising an X-ray tube having an anticathode with a plane target surface inclined with respect to the cathode-ray axis. The anticathode is disposed in a small tube within an X-ray-permeable protective sleeve. For changing the mode of operation from extra-oral to intra-oral, an adapter is fitted over the protective sleeve and actuates a change-over switch disposed within the housing of the X-ray tube. Regulating means control the intensity of the cathode-ray depending upon the position of the change-over switch for making either extra- or intra-oral photographs.

REFERENCES:
patent: 1881448 (1932-10-01), Forde
patent: 3906235 (1975-09-01), Fischer

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