FIELD: information technologies.
SUBSTANCE: in a working area (38) of a device there is a lighting device (36), designed to light up a valuable document (12) and having at least one laser diode (50) of surface radiation with a vertical resonator, a control device (42) to control a laser diode (50) with vertical resonator and a detector device (40) to detect optical radiation emitted from the device working zone (38).
EFFECT: increased quality of light and compactness of optical examination devices.
32 cl, 13 dwg
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|
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| INSECTICIDE SPRAYER | 2019 |
|
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| SENSOR FOR CHECKING VALUABLE DOCUMENTS | 2012 |
|
RU2582884C2 |
