Patent ID: 9280036
Filing Date: 2016-03-08
CPC Classification: G03B

Claim Text:
1. A lighting device comprising: a base unit arranged on a medium installation face on which a medium that is a reading target is disposed; an arm unit extending upwardly from the base unit; a top unit extending from the arm unit so as to face the medium installation face; a mounting face disposed on the top unit to mount an image capturing unit at a position for photographing the medium disposed on the medium installation face, the image capturing unit including a first communication unit to perform wireless communication; a lighting disposed in the top unit to irradiate the medium installation face; a lighting control unit configured to perform driving control to adjust an amount of light of the lighting; a second communication unit arranged in the lighting device, the second communication unit configured to perform wireless communication with the first communication unit, and a scan switch disposed on the base unit, the scan switch generating a scan start trigger to be transmitted to the image capturing unit through the second communication unit and the first communication unit, wherein the image capturing unit is configured to determine whether or not the lighting is in a turned-on state subsequent to receiving the scan start trigger, and when the lighting is determined to be in the turned-on state, the image capturing unit instructs the lighting control unit to set the amount of light of the lighting to a maximum at the time of photographing and, after the photographing, the image capturing unit instructs the lighting control unit to return the amount of light of the lighting to the amount of light before the photographing, and when the lighting is determined to be in the turned-off state subsequent to receiving the scan start trigger, the image capturing unit perform photographing without turning on the lighting.