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US 2023/0068970 A1Published application
Position Detection Device
AssigneeRohm Co., Ltd.
InventorShinichi Otsuka
Life of this patent
Estimating the term…
Abstract
The present disclosure provides a position detection device. The position detection device includes a movable unit, a light source unit and a color sensor. The movable unit can move along a moving direction and include one or more colored portions. The light source unit irradiates the colored portions with a light. The color sensor receives a reflected light reflected by the colored portions and detecting a color component.
Claims20
A position detection device, comprising:
- a movable unit, movable along a moving direction and including one or more colored portions;
- a light source unit, irradiating the colored portion with a light;
- and
- a color sensor, receiving a reflected light reflected by the colored portion, and detecting a color component.
1 more element
A position detection device, comprising:
- a light source unit, irradiating one or more colored portions of a movable unit that is movable along a moving direction;
- and
- a color sensor, receiving a reflected light reflected by the colored portion, and detecting a color component.
Dependencies are inferred from the claim text.