Title:
撮像システム
Document Type and Number:
Japanese Patent JP7281681
Kind Code:
B2
Abstract:
An imaging system includes a light source that, in operation, emits an emitted light containing a near-infrared light in a first wavelength region, an image sensor, and a double-band pass filter that transmits a visible light in at least a part of a wavelength region out of a visible region and the near-infrared light in the first wavelength region. The image sensor includes light detection cells, a first filter that selectively transmits the near-infrared light in the first wavelength region, second to fourth filters that selectively transmit lights in second to fourth wavelength regions, respectively, which are contained in the visible light, and an infrared absorption filter. The infrared absorption filter faces the second to fourth filters and absorbs the near-infrared light in the first wavelength region.
Inventors:
Hisashi Watanabe
Application Number:
JP2021192853A
Publication Date:
May 26, 2023
Filing Date:
November 29, 2021
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
G01N21/27; H04N25/10; G02B5/20; H04N23/20; H04N23/54; H04N23/60; H04N25/70
Domestic Patent References:
| JP2011199798A | ||||
| JP2008227091A | ||||
| JP2015029841A | ||||
| JP8139982A | ||||
| JP2003324751A | ||||
| JP2008244296A | ||||
| JP2009099867A | ||||
| JP2012169676A | ||||
| JP2013229528A |
Foreign References:
| WO2015104870A1 | ||||
| US20100289885 | ||||
| WO2015056734A1 | ||||
| WO2015182278A1 |
Attorney, Agent or Firm:
Seiji Okuda
Shuichi Kita
Mimichi Kajitani
Akiko Miyake
Toru Kawakita
Yu Tanaka
Shigeyasu Murase
Hiroyuki Takeda
Shuichi Kita
Mimichi Kajitani
Akiko Miyake
Toru Kawakita
Yu Tanaka
Shigeyasu Murase
Hiroyuki Takeda