Patent ID: 7642537

Claim:
A radiography system for computed radiography, comprising: an X-ray apparatus with an X-ray source; a plurality of image cassettes for producing digital images; a cassette reading means for reading radiographic images stored in the image cassettes after X-ray exposure; a data processing means connected to the cassette reading means, the data processing means being arranged to process the radiographic images read from the image cassettes; an integrated digital X-ray image detector connected directly to the data processing means; a cassette storage means associated with the X-ray apparatus for storing the image cassettes, wherein the storage means is provided with an identification means connected to the data processing means, the identification means being arranged to identify the image cassettes stored in the cassette storage means; wherein the data processing means or the identification means are arranged to generate a cassette-in-use signal indicating which cassette from the plurality of image cassettes is not in the cassette storage means during an X-ray exposure, and the data processing means is arranged to activate the integrated digital X-ray image detector automatically if the cassette-in-use signal indicates that all cassettes from the plurality of image cassettes are in the cassette storage means.