Title:
電波センサ及び照明器具
Document Type and Number:
Japanese Patent JP6799808
Kind Code:
B2
Abstract:
A radio wave sensor includes a transmitting antenna configured to radiate radio waves, and a housing that is composed of dielectric material and faces the transmitting antenna. The housing has a first protrusion that protrudes from a region facing the transmitting antenna towards the transmitting antenna. The first protrusion has an entrance surface that allows the radio waves from the transmitting antenna to enter. The entrance surface contains a flat surface parallel to a surface of the transmitting antenna, and an inclined surface that inclines relative to the flat surface in a direction apart from the flat surface.
Inventors:
Ken Ohno
Atsushi Irikawa
Kanji Katanoda
Atsushi Irikawa
Kanji Katanoda
Application Number:
JP2016217361A
Publication Date:
December 16, 2020
Filing Date:
November 07, 2016
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H01Q15/08; F21S2/00; F21V23/00; H01Q1/42
Domestic Patent References:
| JP3010407A | ||||
| JP2009278501A | ||||
| JP2006145399A | ||||
| JP2014093122A | ||||
| JP2006244777A |
Foreign References:
| US20080180335 | ||||
| WO2016136927A1 |
Attorney, Agent or Firm:
Patent business corporation Hokuto patent office
Keisei Nishikawa
Takeshi Sakaguchi
Hidetoshi Kitade
Nakaishi Haruki
Keisei Nishikawa
Takeshi Sakaguchi
Hidetoshi Kitade
Nakaishi Haruki