Invention Grant
- Patent Title: Reflection type sensor and optical encoder having the same
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Application No.: US17088122Application Date: 2020-11-03
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Publication No.: US11268833B2Publication Date: 2022-03-08
- Inventor: Kazuki Matsuyama
- Applicant: CANON PRECISION INC.
- Applicant Address: JP Hirosaki
- Assignee: CANON PRECISION INC.
- Current Assignee: CANON PRECISION INC.
- Current Assignee Address: JP Hirosaki
- Agency: Canon U.S.A., Inc. IP Division
- Priority: JPJP2019-202624 20191107
- Main IPC: G01D5/347
- IPC: G01D5/347 ; H01L31/0203 ; H01L31/173
Abstract:
A reflection type sensor includes a light emitting element configured to emit light, a light receiving element configured to receive reflected light from a scale having a pattern, and a transparent member configured to cover the light emitting element and the light receiving element. A predetermined condition is satisfied.
Public/Granted literature
- US20210140801A1 REFLECTION TYPE SENSOR AND OPTICAL ENCODER HAVING THE SAME Public/Granted day:2021-05-13
Information query
IPC分类:
