Radiant energy – Fluent material containment – support or transfer means – With irradiating source or radiating fluent material
Patent
1978-10-17
1981-04-28
Smith, Alfred E.
Radiant energy
Fluent material containment, support or transfer means
With irradiating source or radiating fluent material
G01N 2100, G01N 2300
Patent
active
042648203
ABSTRACT:
A method of apparatus for making X-ray photographs of a jaw structure which makes it possible to obtain clear and distinct images of the dental arch without superimposition of neighboring teeth and further to equalize the enlargement ratio of images to be made on the film no matter which spots of the teeth may be taken at the time of X-ray photographing.
REFERENCES:
patent: 3536913 (1970-10-01), Huchel
patent: 3806731 (1974-04-01), Kataoka et al.
patent: 4145611 (1979-03-01), Valila
Kabushiki Kaisha Morita Seisakusho
O'Hare Thomas P.
Smith Alfred E.
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