Panoramic radiographic apparatus and digital sensor cassette used for same apparatus
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United States of America Patent
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-
Jan 9, 2001
Grant Date -
N/A
app pub date -
Sep 18, 1998
filing date -
Sep 30, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The panoramic radiographic apparatus of the present invention has a cassette holder capable of accommodating both a conventional film cassette and a digital sensor cassette loaded with an electric X-ray image detector, one at a time, in a rotary arm, wherein when a film cassette is mounted, the cassette holder is mechanically moved in accordance with the rotation of the rotary arm so as to carry out panoramic radiographing, and when a digital sensor cassette is mounted, without moving the cassette holder, the electric X-ray image detector is driven by supplying control signals corresponding to the rotation of the rotary arm to the digital sensor cassette to obtain image signals required for generating a panoramic X-ray image. Therefore, both the film cassette and the digital sensor cassette can easily be mounted, one at a time, whereby required panoramic X-ray images can be obtained by fully using the features of each type of cassette.
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