Structure of dental X-ray apparatus

Details Structure of dental X-ray apparatus Structure of dental X-ray apparatus

1980-02-25

1982-10-05

Church, Craig E.

X-ray or gamma ray systems or devices

Beam control

Collimator

378 38, G03B 4116

Patent

active

043529879

ABSTRACT:
According to this invention, useless exposure of a human being to X-ray is avoided and X-ray film is economically used by providing the X-ray generator of a dental X-ray apparatus with an X-ray intercepting means by which the size of the opening or slit for X-ray beams flow is easily controlled. The X-ray apparatus comprises an X-ray generator, an X-ray film, an arm for supporting the X-ray generator and the X-ray film in such a manner that the X-ray generator faces the X-ray film. When the arm is rotated at a predetermined angle around the X-ray film thereby causing the X-ray generator to be rotated proportionally, the X-ray generator emits X-ray beams through the vertically elongated slit disposed in the X-ray generator's head.

REFERENCES:
patent: 3536913 (1970-10-01), Huchel
patent: 3849649 (1974-11-01), Carey

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