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Illumination for a test device

A technology for lighting devices and inspection equipment, which is applied to lighting devices, components of lighting devices, safety devices of lighting devices, etc. Lighten the effect of work

Active Publication Date: 2015-02-11
GIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this maintenance work can be very difficult, since the properties exhibited during normal operation can be changed by the automatic disconnection of the laser light source in the sensor device
For example, it is only very difficult for maintenance personnel to detect when, for example, the sensor unit or its parts are dirty and have to be cleaned

Method used

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  • Illumination for a test device
  • Illumination for a test device

Examples

Experimental program
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Embodiment Construction

[0015] figure 1 A schematic diagram of the basic structure of a device 10 for checking the authenticity of banknotes, in particular for checking the authenticity of banknotes, is shown.

[0016] The device 10 for checking banknotes is designed as a banknote processing machine and has an input bin 20 for inputting banknotes 21 to be processed, into which a sorter 22 picks up. The sorters 22 each pick up a banknote 21 to be processed and deliver the individual banknotes to a transport system 23 , which transports the individual banknotes past the sensor device 30 .

[0017] For example, different sensors 31 , 32 , 33 are present in sensor device 30 , which are able to detect different properties of banknotes. It is thus possible, for example, to have a first sensor 31 which detects the light reflected by the first face of the banknote, a second sensor 32 which detects the light reflected by the second face of the banknote, and a third sensor 33 which detects the light transmitt...

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PUM

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Abstract

A lighting arrangement comprises a checking device and a method for the control thereof, with a sensor device containing at least one light source, where the at least one light source radiates light with high radiant power which represents a danger to the eyes of operators or service personnel. A housing, which contains the at least one light source and prevents an emergence of light of the light source, is monitored as to whether the housing is open, where the at least one light source with high radiant power is switched off if there is detected upon the monitoring an opening of the housing, which permits an emergence of light of the light source. It is provided here that a lighting arrangement is switched on at the same time or later which has a radiant power not representing any danger to the eyes of operators or service personnel.

Description

technical field [0001] The invention relates to a lighting device for a testing device and to a method for controlling such a lighting device. Background technique [0002] The checking device mentioned is, for example, an automatic sorter, checking and / or counting device for sheet-shaped goods, such as in particular banknotes, cheques, certificates, stock / value notes or other documents. Furthermore, it relates to testing equipment which can be used in general to test the presence or absence of a specific characteristic of an item. The following description refers to the initially mentioned testing device for sheet-shaped goods by way of example. [0003] In order to check, for example, the type, authenticity, validity or damage of the sheet-shaped goods in such devices, optical sensor devices are usually used, among other things. In the sensor arrangement, the sheet-like article is illuminated with a special light source and the light reflected by the sheet-like article o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21V25/04F21V23/04
CPCG01N21/8901G07D7/12G01N2021/8917G07D7/122G01N21/8914G01N2201/062G07D7/1205
Inventor 弗朗兹·恩格尔哈特
Owner GIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH
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