X-ray or gamma ray systems or devices – Electronic circuit – Exposure timer
Patent
1987-05-21
1988-08-02
Church, Craig E.
X-ray or gamma ray systems or devices
Electronic circuit
Exposure timer
358111, H05G 164
Patent
active
047618035
ABSTRACT:
An x-ray diagnostics installation has two x-ray sources for generating two intersecting x-ray beams, at least one image converter for generating an image signal, and a monitor connected thereto. The image signal of a first image converter is supplied to an image computer which calculates the projection of one x-ray beam in the plane of the other x-ray beam. An addition stage is connected between a second image converter and the monitor, the addition stage mixing the output signal of the image computer and that of the second image converter.
REFERENCES:
patent: 3924064 (1975-12-01), Nomura et al.
patent: 4149082 (1979-04-01), Haendle et al.
patent: 4207595 (1980-06-01), Dittrich et al.
patent: 4658410 (1987-04-01), Haendle et al.
patent: 4674107 (1987-06-01), Urban et al.
Church Craig E.
Freeman John C.
Siemens Aktiengesellschaft
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