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US 11,112,307 B2Granted
Spectroscopic camera
AssigneeSeiko Epson Corporation
InventorsTomonori Matsushita, Teruyuki Nishimura, Kei Kudo
Life of this patent
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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.
Claims13
A spectroscopic camera comprising:
- an interference filter including a pair of reflection films;
- and
- an imaging device that captures image light passing through the pair of reflection films,
- wherein the interference filter is provided with a marker that changes a characteristic in accordance with which the image light passes, and the marker is provided in a position where the marker overlaps with an optical path of the image light that passes through the pair of reflection films.
1 more element
Dependencies are inferred from the claim text.