X-ray diagnostic apparatus comprising means for the enlarged vis

Details X-ray diagnostic apparatus comprising means for the enlarged vis X-ray diagnostic apparatus comprising means for the enlarged vis

1991-02-15

1992-05-26

Howell, Janice A.

X-ray or gamma ray systems or devices

Electronic circuit

Exposure timer

378 62, 378 95, 358111, H05G 164

Patent

active

051174464

ABSTRACT:
An X-ray diagnostic apparatus, comprises an X-ray source (1), an imaging surface (6) on which the intensity distribution of the X-rays to be applied to a test object (4) is imaged, an optical imaging device for imaging an overall image (10) of the imaging surface (6) onto the entrance surface of a first image sensor (11), a device (12) for the visual display of the overall image (10), and an imaging enlargement device for the enlarged visual display of a selectable detail of the overall image. Strongly enlarged and still high-resolution detail images are generated in that the selectable detail (20) of the overall image is directed onto a second image sensor 16) which discriminates a substantially higher number of pixels relative to the unit of surface area of the overall image.

REFERENCES:
patent: 4442538 (1984-04-01), Haendle
patent: 4606064 (1986-08-01), Haendle
patent: 4749257 (1988-06-01), Klausz
Radiol. Diagn. 25 (1984), pp. 799-803.

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