X-ray diagnostics installation

Details X-ray diagnostics installation X-ray diagnostics installation

1987-11-06

1991-04-09

Hannaher, Constantine

Radiant energy

Automatic/serial detection of similar sources

G03B 4202

Patent

active

050067095

ABSTRACT:
An x-ray diagnostics installation has a luminescent storage screen which stores the latent image of an examination subject disposed in an x-ray beam. The storage screen is capable of stimulated light emission, for read-out thereof, and of spontaneous light emission. Emitted light from the storage screen is supplied to a light detector through an imaging system. The storage screen, the imaging system and the light detector form a single unit. An image memory into which signals from the light detector are entered is used to construct an image which is then visually displayed. Entry of the signals from the light detector into the image memory is controlled such that at least one image due to spontaneous light emission of the storage screen is entered in the memory during exposure of the x-ray image, and a further image is entered in the memory during readout of the storage screen, with the images being overlaid in the memory picture element-by-picture element.

REFERENCES:
patent: 3975637 (1976-08-01), Ikedo et al.
patent: 4284889 (1981-08-01), Kato et al.
patent: 4517463 (1985-05-01), Gasiot et al.
patent: 4521904 (1985-06-01), Takano

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