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公开(公告)号：US20190299743A1
公开(公告)日：2019-10-03
申请号：US16416779
申请日：2019-05-20
Applicant: DENSO CORPORATION
Inventor： Takuma YAMAUCHI , Eitaro TANAKA , Haruhiko WATANABE , Fuminobu WATANABE , Goro UEDA , Akira OGA , Hiroshi TAKEDA , Kazuya TANIGUCHI , Tatsumi KUMADA , Kazuaki TAKEMOTO , Takashi SATO
Abstract: An occupant detection system may detect a state of an occupant in a vehicle compartment. The occupant detection system may photograph the vehicle compartment and generate an image. The occupant detection system may change an attitude in order to change a position of an imaging region within the vehicle compartment. The occupant detection system may estimate the attitude based on information included in the image and control an operation based on the estimated attitude. The sensor may be provided by an infrared temperature sensor. The image may be provided by a thermal image showing a temperature distribution of the vehicle compartment. The occupant detection system may store a correspondence relationship between a position of a specific temperature boundary included in the thermal image and the attitude. The occupant detection system may estimate the attitude based on the correspondence relationship.
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公开(公告)号：US20180209929A1
公开(公告)日：2018-07-26
申请号：US15743770
申请日：2016-07-20
Applicant: DENSO CORPORATION
Inventor： Ryuta YAMAZAKI , Syo OKABE , Tatsumi KUMADA , Kazuaki TAKEMOTO , Kyoichiro YAMAMOTO
Abstract: A humidity detector a humidity sensor detecting a relative humidity of an air inside a sensor case housing the humidity sensor. The humidity detector has an air volume obtaining section, a flow direction obtaining section, a setting section, and a correction section. The air volume obtaining section obtains air volume information correlated with an air volume of the air flowing around the humidity sensor. The flow direction obtaining section obtains flow direction information correlated with a flow direction of the air flowing around the humidity sensor. The setting section sets correction factors configuring a dynamic compensator based on the air volume information and the flow direction information. The dynamic compensator compensates for a response delay of the humidity sensor. The correction section corrects a detection value, which is detected by the humidity sensor, by using the dynamic compensator to obtain the relative humidity of the air.
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公开(公告)号：US20190009640A1
公开(公告)日：2019-01-10
申请号：US16069318
申请日：2016-11-29
Applicant: DENSO CORPORATION
Inventor： Akira OGA , Eitaro TANAKA , Haruhiko WATANABE , Takuma YAMAUCHI , Takashi SATO , Hiroshi TAKEDA , Kazuya TANIGUCHI , Goro UEDA , Kazuaki TAKEMOTO , Tatsumi KUMADA
IPC: B60H1/00
CPC classification number: B60H1/00742 , B60H1/00792 , G01V8/10 , G01V9/005
Abstract: An occupant detection system includes a state detection unit that detects a state of an object, a detection position changing unit that changes a position of a detection region, the detection region being a region in which state is detected by the state detection unit, and a controller that controls an operation of the detection position changing unit. In this occupant detection system, a position of the detection region is set to a predetermined initial position during a period of time from when a start switch provided in the vehicle is turned off until when the start switch is turned on.
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公开(公告)号：US20190009639A1
公开(公告)日：2019-01-10
申请号：US16063709
申请日：2016-10-28
Applicant: DENSO CORPORATION
Inventor： Dai ITO , Akira OGA , Hiroshi TAKEDA , Atsushi FURUKAWA , Masataka KINOSHITA , Tatsumi KUMADA
IPC: B60H1/00
Abstract: A vehicular air-conditioner includes: a wind changing unit that changes at least one of a wind volume and a wind direction of air-conditioned wind, a temperature detection unit that detects a surface temperature of an object based on radiation from the object, a detection position changing unit that changes a position of a detection target region that is a region in which the surface temperature is to be detected by the temperature detection unit, and a control unit that controls each operation of the wind changing unit and the detection position changing unit. The control unit controls at least one of the operation of the wind changing unit and the operation of the detection position changing unit to suppress changes in the wind volume of the air-conditioned wind in the detection target region when a portion of the surface of an occupant is in the detection target region.
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