- Patent Title: Light source device and photoelectric encoder including the same
-
Application No.: US15784803Application Date: 2017-10-16
-
Publication No.: US10416002B2Publication Date: 2019-09-17
- Inventor: Miyako Mizutani , Kimitoshi Ono , Fujio Maeda
- Applicant: Mitutoyo Corporation
- Applicant Address: JP Kawasaki
- Assignee: MITUTOYO CORPORATION
- Current Assignee: MITUTOYO CORPORATION
- Current Assignee Address: JP Kawasaki
- Agency: Rankin, Hill & Clark LLP
- Priority: JP2016-205087 20161019
- Main IPC: G01D5/347
- IPC: G01D5/347

Abstract:
Provided are a light source device that can achieve higher accuracy while maintaining reliability by reducing stray light, and a photoelectric encoder including the same. A light source device 2 includes a translucent member 10 configured to accommodate a light emitting unit 5 thereinside, and to make light emitted from the light emitting unit 5, into parallel light. The translucent member 10 includes an optical axis plane 11, an orthogonal plane 12, a reflection portion configured to make light from the light emitting unit 5, into parallel light, and a connection portion 14 formed by the optical axis plane 11 and the orthogonal plane 12 connecting to each other, and having a curved surface. A central axis AX of the curved surface is in an outside region of the translucent member 10, and a region between the optical axis plane 11 and the orthogonal plane 12.
Public/Granted literature
- US20180106646A1 LIGHT SOURCE DEVICE AND PHOTOELECTRIC ENCODER INCLUDING THE SAME Public/Granted day:2018-04-19
Information query
IPC分类: