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Title:
USER DETECTION APPARATUS, USER DETERMINATION METHOD, AND ELECTRONIC DEVICE
Document Type and Number:
Japanese Patent JP2019087488
Kind Code:
A
Abstract:
To provide a user detection apparatus that can change the sensitivity of a heat ray sensor, that is, the detection distance of a user and distinguish between a user approaching the user detection device and a non-user just crossing device equipment, a user determination method, and an electronic device.SOLUTION: There is provided a user detection apparatus for detecting the presence or absence of a person on the basis of a heat ray detected by a heat sensor, which including a blind portion that is arranged at a detection end of the heat sensor and can change a heat ray passing between blinders and reaching the detection end of the heat sensor by change in g a direction of a transmission port formed between the plurality of juxtaposed blinders and a sensitivity adjustment unit that makes it possible to adjust the sensitivity of the heat sensor by changing the direction of the transmission port of the blind portion, and there is also provided a user determination method and electronic equipment using the user detection apparatus.SELECTED DRAWING: Figure 2

Inventors:
WATABE TSUNEHISA
Application Number:
JP2017216444A
Publication Date:
June 06, 2019
Filing Date:
November 09, 2017
Export Citation:
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Assignee:
SHARP KK
International Classes:
H01H35/00; B41J29/00; G03G15/00; G03G21/00; G03G21/16; H04N1/00
Domestic Patent References:
JP2009265036A2009-11-12
Foreign References:
US5739753A1998-04-14
Attorney, Agent or Firm:
Eisuke Fujimoto
Masayoshi Kanda
Akio Miyao
Nobuyuki Baba