Published May 16, 1984 | Version v1
Patent Open

Automatic dose power regulator for an X-ray apparatus with an image intensifier

Description

The invention relates to an automatic dose power regulator for an X-ray radiographic instrument with an image intensifier. In existing versions, it is very difficult to amplify the photocathode signal because of the attending zero shift. Moveover, the time constant of the circuit is not compatible to the variation rate of the mean direct current level. The aim of the invention is to provide such a regulator that by-passes these disadvantages. For that purpose the regulator is equipped with a synchronisation output, that gives a signal proportional to the alternating voltage and that is connected with the control input of a gate circuit. (G.J.P.)

Availability note (English)

MF available from INIS under the Report Number.

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Additional details

Additional titles

Original title (Dutch)
Automatische dosisvermogen-regelstroomketen voor een roentgenapparaat met een roentgenbeeldversterker

Publishing Information

Imprint Pagination
13 p.
IPC:
Int. Cl. H05G1/32; H05G1/36.
IPC
Int. Cl. H05G1/32; H05G1/36.
Patent number
NL patent document 8204055/A/

INIS

Country of Publication
Netherlands
Country of Input or Organization
Netherlands
INIS RN
15068373
Subject category
S46: INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY;
Descriptors DEI
BIOMEDICAL RADIOGRAPHY; DOSE RATES; IMAGE INTENSIFIERS; RADIATION DOSES; X-RAY RADIOGRAPHY
Descriptors DEC
DIAGNOSTIC TECHNIQUES; MEDICINE

Optional Information

Notes
2 figs.