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Title:
【発明の名称】歯科用X線診断装置
Document Type and Number:
Japanese Patent JP2911490
Kind Code:
B2
Abstract:
An installation is described in which, instead of an X-ray film, a detector arrangement (1a) having one or more CCD sensors is provided, which form electrical signals proportional to the radiation intensity. In order to be able to detect several layers with a variable depth of definition range simultaneously during one exposure, it is proposed to trigger at least some of the CCD columns (b) via separate clock inputs of varying clock frequency (t).

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Inventors:
URURITSUHI SHURUTSUEGANTSURIN
YOAHIMU PUFUAIFUAA
AKUSERU SHUOTSUTSUAA
Application Number:
JP20453489A
Publication Date:
June 23, 1999
Filing Date:
August 07, 1989
Export Citation:
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Assignee:
JIRONA DENTAARU SHISUTEMUSU GMBH UNTO CO KG
International Classes:
A61B6/00; A61B6/03; A61B6/14; G01T1/00; G01T1/20; H04N7/18; (IPC1-7): A61B6/14; A61B6/00
Domestic Patent References:
JP6122841A
JP57166144A
JP63140907U
Attorney, Agent or Firm:
Toshio Yano (2 outside)



 
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