Invention Grant
- Patent Title: Spectroscopic camera
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Application No.: US16937924Application Date: 2020-07-24
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Publication No.: US11112307B2Publication Date: 2021-09-07
- Inventor: Tomonori Matsushita , Teruyuki Nishimura , Kei Kudo
- Applicant: Seiko Epson Corporation
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JPJP2019-137617 20190726
- Main IPC: G01J3/28
- IPC: G01J3/28 ; G01J3/26 ; G02B5/28

Abstract:
A spectroscopic camera includes an interference filter including a pair of reflection films and an imaging device that captures image light passing through the pair of reflection films. The interference filter is provided with a marker that changes the characteristic in accordance with which the image light passes, and the marker is provided in a position where the marker overlaps with the optical path of the image light that passes through the pair of reflection films.
Public/Granted literature
- US20210025754A1 Spectroscopic Camera Public/Granted day:2021-01-28
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