Document camera, method for controlling document camera, and electronic apparatus
AssigneeSeiko Epson Corporation
InventorKatsuya Ota
Life of this patent
Estimating the term…
Abstract
A document camera which operates with electric power supplied via a USB cable includes: an image pickup unit which picks up an image of a subject via a lens; a light source unit which emits light toward the subject; a drive unit which drives the lens; a detection unit which detects an amount of current supplied via the USB cable; and a control unit which controls an operation of the light source unit and the drive unit according to the amount of current detected by the detection unit.
Claims8
A camera which operates with electric power supplied via a USB cable, the camera comprising:
- an image pickup unit which picks up an image of a subject via a lens;
- a light source unit which emits light toward the subject;
- a drive unit which drives the lens;
- a detection unit which detects an amount of current supplied via the USB cable;
- and
- a control unit which controls an operation of the light source unit and the drive unit according to the amount of current detected by the detection unit.
A method for controlling a camera, the camera including:
- (i) an image pickup unit which picks up an image of a subject via a lens;(ii) a light source unit which emits light toward the subject;
- and (iii) a drive unit which drives the lens, the camera operating with electric power supplied via a USB cable, the method comprising:
- detecting an amount of current supplied via the USB cable;
- and
- controlling an operation of the light source unit and the drive unit according to the detected amount of current.
Dependencies are inferred from the claim text.