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1. 发明专利

DE4329047A1 Purity testing system for determining impurities in hollow glassware 未知
公开(公告)号：DE4329047A1
公开(公告)日：1995-03-02
申请号：DE4329047
申请日：1993-08-28
申请人： PODMANICZKY ANDREAS
发明人： PODMANICZKY ANDREAS
IPC分类号： B08B9/46 , G01N21/90 , G01M11/00 , G02B26/10
摘要： The invention relates to a purity testing system for determining impurities in hollow glassware, which system has mechanisms for moving the hollow glassware (7), furthermore a laser (1) as light source for transilluminating the hollow glassware (7), a photodetector (16) for sensing the light beam leaving the hollow glassware (7), and an electronic unit for analysing the output signals from the photodetector (16), and there is located between the laser (1) and hollow glassware (7) a beam deflector (3) to ensure the scanning movement of the laser beam, furthermore provision is made between the hollow glassware (7) and the photodetector (16) for an optical diffusor element (15) in order to disperse the light beams which have passed through in directions deviating from its original direction. The essence of the invention is that the optical diffusor element (15) is connected directly to the photodetector (16), furthermore the optical diffusor element (15) is configured as a directional filter element. The dimensions of the sensor surfaces and their distance from the diffusor element (15) are selected in such a way that the spatial angle of the light beams (17) which are sensed is smaller than 10 degrees, advantageously smaller than 5 degrees, while the directional angle (20) of the spatial angle (19) is smaller than 30 degrees, advantageously smaller than 20 degrees.

2. 发明专利

DE69623125D1 未知
公开(公告)号：DE69623125D1
公开(公告)日：2002-09-26
申请号：DE69623125
申请日：1996-10-04
申请人： KALLO PETER , KISS IMRE , PODMANICZKY ANDREAS , TALOSI JANOS
发明人： KALLO PETER , KISS IMRE , PODMANICZKY ANDREAS , TALOSI JANOS
IPC分类号： G06T7/00 , A61B5/117 , G06K9/00 , G06T7/40
摘要： Detector for recognizing the living character of a finger which is arranged in a fingerprint recognizing apparatus and the detector is in contact with a print area (2) of the living finger constituting a print forming element (1) and the apparatus comprises for the examination of the print area (2) a print detector (5) which has a print imaging surface (4) partially covered by the print area (2). The detector comprises an electrode system (3) made of an electrically conductive material and sensing the presence of the print forming element (1), and an electrical evaluation unit coupled through electrical contacts (10) to the electrode system (3), the unit senses the change in state in the electrode system (3) caused by the proximity of the print forming element (1). The electrode system (3) is arranged on a portion of the print detector (5) covered by the print area (2) and it is coupled to the print imaging surface (4).

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