Radiation emitting device

X-ray or gamma ray systems or devices – Beam control

Reexamination Certificate

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Details

C378S147000, C378S149000, C378S203000, C250S497100, C250S498100

Reexamination Certificate

active

07430280

ABSTRACT:
A radiation emitting source includes a radiation emitter, an emitter switch, a collimator, a rotating mechanism and a shielding enclosure. The collimator has a central axial through-hole portion and a plurality of radial apertures. The through-hole portion receives the radiation emitter therein. The radiation emitter is axially movable in the through-hole portion. The rotating mechanism is coupled to the collimator. The shielding enclosure has an opening and encloses the collimator therein.

REFERENCES:
patent: 2999590 (1961-09-01), Gerhardt
patent: 4342914 (1982-08-01), Bjorkholm
patent: 4504859 (1985-03-01), Grady et al.
patent: 5224144 (1993-06-01), Annis
patent: 5491738 (1996-02-01), Blake et al.
patent: 5528653 (1996-06-01), Song et al.
patent: 5757886 (1998-05-01), Song
The following US Statutes: 37 CFR 1.84(p)(5), 37 CFR 1.121, and 37 CFR 1.125(b) & (c).(2008).

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