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公开(公告)号：US10467901B2
公开(公告)日：2019-11-05
申请号：US15714624
申请日：2017-09-25
Inventor： Masaaki Ikehara , Kentaro Yamauchi , Kazuhiro Hatta
Abstract: A warning device includes: a sensor which is attachable to a supporting member and measures a distance, the supporting member being fixedly installed; and a notifier which performs notification using predetermined output. The sensor measures at least one of sensor-object distances and a moving object distance, the sensor-object distances being distances between the sensor and each of at least two moving objects which are approaching to each other, the moving object distance being a distance between the at least two moving objects which are approaching to each other, and the notifier performs the notification by varying a manner of the predetermined output according to the at least one of the sensor object distances and the moving object distance which are measured by the sensor.
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公开(公告)号：US10425168B2
公开(公告)日：2019-09-24
申请号：US15820170
申请日：2017-11-21
Inventor： Shigeaki Yamasaki , Masaaki Ikehara
IPC: H04B10/116 , H04W12/08 , H04B10/80 , H04B10/66
Abstract: A target identification system includes: one or more optical receivers (at least one of a first optical receiver or a second optical receiver) which receive outgoing light from a moving body, the outgoing light including an optical signal indicating identification information (first information) for identifying the moving body; a controller connected to the one or more optical receivers; and a wireless communicator connected to the controller. When the one or more optical receivers receive the outgoing light, the controller obtains the identification information, and when the controller receives radio waves including the identification information and service information (second information) via the wireless communicator, in the case where the identification information included in the outgoing light matches the identification information included in the radio waves, the controller obtains the service information, the service information being information necessary for the moving body to receive a predetermined service.
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公开(公告)号：US10433391B2
公开(公告)日：2019-10-01
申请号：US15819481
申请日：2017-11-21
Inventor： Masaaki Ikehara
Abstract: A lighting control system includes: a storage which stores a plurality of parameters; a light emitter which emits light in a predetermined mode according to the plurality of parameters; a controller which selects two or more parameters from among the plurality of parameters stored in the storage to generate a group of parameters including the two or more parameters selected; and an obtainer which obtains an instruction from a user. The light emitter emits light at a predetermined time in a mode according to the group of parameters generated by the controller, and when the obtainer obtains a degree of comfort selected from among feeling options each indicating a feeling of the user, the controller generates a new group of parameters by changing, according to the degree of comfort, one or more parameters among the two or more parameters included in the group of parameters.
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4.发明授权公开(公告)号：US09831950B2
公开(公告)日：2017-11-28
申请号：US15251786
申请日：2016-08-30
Inventor： Masaaki Ikehara , Yoshihiko Matsukawa , Masahito Ohnishi
IPC: H04B10/00 , H04B10/116 , H04B10/60 , H04B10/50
CPC classification number: H04B10/116 , H04B10/501 , H04B10/60
Abstract: A visible light communication receiver to be attached to a mobile object includes: a light receiving device which receives a light signal for visible light communication, the light signal including predetermined information; and a lens component disposed over the light receiving device. The lens component has a first directional angle on a first plane and a second directional angle on a second plane orthogonal to the first plane. The first directional angle is narrower than the second directional angle.
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公开(公告)号：US09991955B2
公开(公告)日：2018-06-05
申请号：US15251124
申请日：2016-08-30
Inventor： Shigeaki Yamasaki , Yoshihiko Matsukawa , Masaaki Ikehara
IPC: H04B10/00 , H04B10/116 , H04B10/80 , H04W4/02 , G08B7/06
CPC classification number: H04B10/116 , G01C21/20 , G01C21/3661 , G01S5/16 , G08B7/066 , H04B10/80 , H04W4/02
Abstract: A mobile device includes: a communications circuit which performs wireless communication; a receiver which receives input of a destination from a user; an output which outputs guidance information for guiding the user from a current location to the destination; and a controller which causes the output to output notification information for notifying presence of a transmitting device which emits light for visible light communications, if the communications circuit receives a wireless signal from a transmitting device by the wireless communication.
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Patent Agency Ranking
公开(公告)号：US09928763B2
公开(公告)日：2018-03-27
申请号：US15450319
申请日：2017-03-06
Inventor： Shigeaki Yamasaki , Masaaki Ikehara
CPC classification number: G09F13/0413 , F21V11/00 , F21V23/0407 , G09F13/005 , G09F13/02 , G09F13/04 , G09F19/22 , G09F27/005 , G09F2013/0459 , H04B10/116 , H05B37/0218 , H05B37/0227 , H05B37/0245 , Y02B20/46
Abstract: A guide display device which is installed in a predetermined direction includes: a first screen which is parallel to the predetermined direction; a first light source which illuminates the first screen; a cover which is provided above the first screen in the predetermined direction and projects in a direction crossing the first screen to block light from above the guide display device and cast a shadow upon an area of the guide display device; a second light source which illuminates the area on which the shadow is cast; and a controller which causes at least the second light source to perform optical communication.
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公开(公告)号：US09793990B2
公开(公告)日：2017-10-17
申请号：US14734334
申请日：2015-06-09
Inventor： Shigeaki Yamasaki , Yoshihiko Matsukawa , Masaaki Ikehara
IPC: H04B10/00 , H04B10/116 , H04B10/114 , G06K19/06 , H04J14/00 , G08B3/10
CPC classification number: H04B10/116 , G06K19/06009 , G08B3/10 , H04B10/1149
Abstract: A worker management device that manages a worker wearing workwear includes: a main body; a light receiver that is provided on a part of the main body that is exposed when the main body is attached to the workwear, and receives light including predetermined identification information; a controller connected to the light receiver; and a communication unit connected to the controller.
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公开(公告)号：US09774397B2
公开(公告)日：2017-09-26
申请号：US15249659
申请日：2016-08-29
Inventor： Shigeaki Yamasaki , Masaaki Ikehara
IPC: H04B10/116 , G06K9/00 , G01C21/36
CPC classification number: H04B10/116 , G01C21/3667 , G01S1/70 , G06K9/00671 , G06K9/3216
Abstract: Provided is a guidance display device which transmits predetermined information by visible light communications, the guidance display device including: a light source which emits light for visible light communications, the light including the predetermined information; a housing covering the light source and having a first light-exit surface which transmits the light emitted by the light source; a first guidance display on the first light-exit surface; and a first mark on the first light-exit surface, wherein the first mark has a shape corresponding to a total number of light-exit surfaces, including the first light-exit surface, of the guidance display device through which the light for visible light communications emitted by the light source exits.
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公开(公告)号：US09837049B2
公开(公告)日：2017-12-05
申请号：US14808107
申请日：2015-07-24
Inventor： Yoshihiko Matsukawa , Masaaki Ikehara
CPC classification number: G09G5/12 , G09G5/006 , G09G2370/042 , G09G2370/16 , G09G2370/22
Abstract: A visible light communication system includes: an illumination device which emits visible light including identification information; an information presentation apparatus which presents information to a person in a range illuminated by the visible light; an information terminal which receives visible light identification information; and an information recording medium which holds pairing information associating the identification information identifying the illumination device with connection information required for connection via wireless communication with the information presentation apparatus. When the information terminal is illuminated by the visible light, the information terminal refers to the pairing information held in the information recording medium to identify the connection information associated with the identification information included in the visible light, and establishes connection with the information presentation apparatus based on the identified connection information.
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公开(公告)号：US09746542B2
公开(公告)日：2017-08-29
申请号：US14823195
申请日：2015-08-11
Inventor： Masaaki Ikehara , Shojirou Kido , Yosuke Kondo
IPC: H04B10/116 , H04B10/114 , G01S1/04 , H04W4/02 , G01S1/70 , G01S5/02
CPC classification number: G01S1/042 , G01S1/70 , G01S5/0263 , H04B10/1141 , H04B10/116 , H04W4/02
Abstract: A lighting apparatus that is used in a positioning system and is locatable in plural number in a limited area is provided. The lighting apparatus for use in the positioning includes a power supplier that supplies power, a lighting unit that is lit by the power supplied by the power supplier, and a beacon transmitter. The beacon transmitter operates by the power supplied by the power supplier, and transmits a beacon that is a signal for positioning. The beacon includes a long-distance beacon transmitted with first transmission power and a short-distance beacon transmitted with a second transmission power less than the first transmission power. The beacon transmitter transmits at least the long-distance beacon intermittently.
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