Title:
近接センサ
Document Type and Number:
Japanese Patent JP7118825
Kind Code:
B2
Abstract:
The present disclosure relates to a proximity sensor. The proximity sensor includes: a light emitter (for example, a vertical cavity surface emitting LASER (VCSEL)) configured to irradiate light to a target to be inspected; a first light receiver having a first crosstalk characteristic, configured to detect an external reflected light from a target to be inspected within a first detection region (for example, 0˜5 cm approximately); and a second light receiver having a second crosstalk characteristic different from the first crosstalk characteristic, configured to detect an external reflected light from a target to be inspected within a second detection region (for example, 3˜60 cm approximately) relatively further than the first detection region.
Inventors:
Yoshitsugu Kamihira
Application Number:
JP2018169778A
Publication Date:
August 16, 2022
Filing Date:
September 11, 2018
Export Citation:
Assignee:
ROHM Co., Ltd.
International Classes:
H01H35/00; H01S5/0233
Domestic Patent References:
| JP7301522A | ||||
| JP6241788A | ||||
| JP2017005428A | ||||
| JP2015078947A |
Foreign References:
| US20160146938 | ||||
| US20150378013 |
Attorney, Agent or Firm:
Patent Business Corporation Sano Patent Office