Title:
圃場撮影用カメラ
Document Type and Number:
Japanese Patent JP6973829
Kind Code:
B2
Abstract:
[Problem] To provide a camera suitable for photographing a farm land using an unmanned air vehicle for growth condition analysis. [Solution] Provided is a camera which comprises a lens, a beam splitter, two pairs of bandpass filters, and an image sensor. The camera is structured such that a light beam that has passed through the lens is split by the beam splitter into two light beams and a second light beam that reach the image sensor via the respective bandpass filters. Further, the unmanned air vehicle is provided with a member for reflected light calibration which is allowed to enter the angle of view of the camera at all times, thereby making it possible to accurately measure reflected light without being affected by external conditions.
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Inventors:
Azumi Waki
Hiroshi Yanagishita
Nishikata Takeharu
Hiroshi Yanagishita
Nishikata Takeharu
Application Number:
JP2020532380A
Publication Date:
December 01, 2021
Filing Date:
July 22, 2019
Export Citation:
Assignee:
Nile Works Co., Ltd.
International Classes:
H04N5/225; B64C39/02; B64D47/08; G03B15/00; G03B37/00; H04N5/222
Domestic Patent References:
| JP2008250185A | ||||
| JP2012060411A | ||||
| JP2013172193A | ||||
| JP2018070010A | ||||
| JP2018105691A |
Foreign References:
| WO2012073519A1 | ||||
| WO2016208415A1 | ||||
| WO2017183546A1 | ||||
| WO2017221756A1 |
Attorney, Agent or Firm:
Toshio Kasukawa
Kiyoshi Kurihara
Yoshiyuki Ishibashi
Kimizu Shimizu
Saki hunting
Kiyoshi Kurihara
Yoshiyuki Ishibashi
Kimizu Shimizu
Saki hunting