Title:
INFRARED LIGHT–TRANSMITTING PRODUCT
Document Type and Number:
WIPO Patent Application WO/2022/230917
Kind Code:
A1
Abstract:
A cover (10) comprises a body part (11) that is configured to cover both an infrared light radiation unit (91) and an infrared light receiving unit (92) of an infrared light camera device (90). The body part (11) transmits infrared light. The body part (11) comprises a base material (20) that absorbs visual light and a red light absorption layer (30) that is provided to a rear surface of the base material (20) in the advancement direction of infrared light from the radiation unit (91) and suppresses the transmission of red light of wavelengths of 700–900 nm.
Inventors:
HATTORI SHIHO (JP)
OKAWA SHINTARO (JP)
KUNO KOJI (JP)
SUZUKI SEIICHI (JP)
OKAWA SHINTARO (JP)
KUNO KOJI (JP)
SUZUKI SEIICHI (JP)
Application Number:
PCT/JP2022/019012
Publication Date:
November 03, 2022
Filing Date:
April 27, 2022
Export Citation:
Assignee:
TOYODA GOSEI KK (JP)
International Classes:
G02B5/22; G03B11/00; G03B17/02
Domestic Patent References:
| WO2020100450A1 | 2020-05-22 |
Foreign References:
| JP2012137728A | 2012-07-19 | |||
| JP2018502003A | 2018-01-25 |
Attorney, Agent or Firm:
ONDA Makoto et al. (JP)
Download PDF:
Previous Patent: METHYL-METHACRYLATE-CONTAINING COMPOSITION AND METHOD FOR PRODUCING METHYL METHACRYLATE POLYMER
Next Patent: BALLPOINT PEN
Next Patent: BALLPOINT PEN