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公开(公告)号:US11201671B2
公开(公告)日:2021-12-14
申请号:US16744766
申请日:2020-01-16
Inventor: Yutaka Murakami , Nobuhiko Hashida
IPC: H04B10/00 , H04B10/116 , H04B10/85 , H04N7/22 , H04J14/00
Abstract: A communication system includes: a plurality of cameras that generate image data by capturing images; a server that stores the image data generated by each of the plurality of cameras; and a plurality of transmission devices in one-to-one correspondence with the plurality of cameras. Each of the plurality of transmission devices transmits light including, as a visible light communication signal, information related to communication for accessing a storage location at which the image data generated by a corresponding one of the plurality of cameras is stored in the server.
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公开(公告)号:US11606159B2
公开(公告)日:2023-03-14
申请号:US16665597
申请日:2019-10-28
Inventor: Yutaka Murakami , Nobuhiko Hashida
IPC: H04J14/02 , H04B10/2575
Abstract: A transmission device includes a symbol generator that generates a modulation symbol by mapping transmission data to a signal point arranged in a two-dimensional or three-dimensional color space; and an outputter that outputs an optical signal modulated according to the modulation symbol.
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公开(公告)号:US11323151B2
公开(公告)日:2022-05-03
申请号:US17333334
申请日:2021-05-28
Inventor: Yutaka Murakami , Nobuhiko Hashida
IPC: H04B3/54 , H02J50/80 , H02J50/10 , B60L53/12 , B60L53/66 , B60L53/30 , H02J7/00 , H02J7/02 , H04L67/01
Abstract: A communication system includes one or more chargers and a server capable of communicating with the one or more chargers. The server obtains first information from a first vehicle via a first charger included in the one or more chargers, during charging of the first vehicle by the first charger, and supplies second information based on the first information to a second vehicle via a second charger included in the one or more chargers, during charging of the second vehicle by the second charger.
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公开(公告)号:US11057075B2
公开(公告)日:2021-07-06
申请号:US16856710
申请日:2020-04-23
Inventor: Yutaka Murakami , Nobuhiko Hashida
IPC: H04B3/54 , H02J50/80 , H02J50/10 , B60L53/12 , B60L53/66 , B60L53/30 , H02J7/00 , H02J7/02 , H04L29/06
Abstract: A communication system includes one or more chargers and a server capable of communicating with the one or more chargers. The server obtains first information from a first vehicle via a first charger included in the one or more chargers, during charging of the first vehicle by the first charger, and supplies second information based on the first information to a second vehicle via a second charger included in the one or more chargers, during charging of the second vehicle by the second charger.
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公开(公告)号:US20240113781A1
公开(公告)日:2024-04-04
申请号:US18538453
申请日:2023-12-13
Inventor: Yutaka MURAKAMI , Nobuhiko Hashida
IPC: H04B10/116 , H04B10/85 , H04N7/22
CPC classification number: H04B10/116 , H04B10/85 , H04N7/22
Abstract: A communication system includes: a plurality of cameras that generate image data by capturing images; a server that stores the image data generated by each of the plurality of cameras; and a plurality of transmission devices in one-to-one correspondence with the plurality of cameras. Each of the plurality of transmission devices transmits light including, as a visible light communication signal, information related to communication for accessing a storage location at which the image data generated by a corresponding one of the plurality of cameras is stored in the server.
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公开(公告)号:US11863236B2
公开(公告)日:2024-01-02
申请号:US17977224
申请日:2022-10-31
Inventor: Yutaka Murakami , Nobuhiko Hashida , Ryutaro Monden
IPC: H04B10/11 , H04B10/54 , H04B10/116 , H04B10/508 , H04B10/516
CPC classification number: H04B10/541 , H04B10/116 , H04B10/508 , H04B10/11 , H04B10/516 , H04B10/5161
Abstract: A transmission method includes: in a first period, causing a light source to emit light having a first luminance; and in a second period, causing the light source to transmit an optical signal by causing the light source to alternately emit light having a second luminance and light having a third luminance lower than the second luminance.
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公开(公告)号:US11563489B2
公开(公告)日:2023-01-24
申请号:US17523420
申请日:2021-11-10
Inventor: Yutaka Murakami , Nobuhiko Hashida
IPC: H04B10/00 , H04B10/116 , H04B10/85 , H04N7/22 , H04J14/00
Abstract: A communication system includes: a plurality of cameras that generate image data by capturing images; a server that stores the image data generated by each of the plurality of cameras; and a plurality of transmission devices in one-to-one correspondence with the plurality of cameras. Each of the plurality of transmission devices transmits light, including, as a visible light communication signal, information related to communication for accessing a storage location at which the image data generated by a corresponding one of the plurality of cameras is stored in the server.
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公开(公告)号:US20200266891A1
公开(公告)日:2020-08-20
申请号:US16868797
申请日:2020-05-07
Inventor: Yutaka Murakami , Nobuhiko Hashida
IPC: H04B10/116
Abstract: A mobile terminal is a communication device that communicates using visible light, and includes: a plurality of light emitters, each of which is disposed along the front surface of the mobile terminal and transmits a visible light signal; and a plurality of light receivers, each of which is disposed along the front surface and receives a visible light signal. The plurality of light emitters are disposed on the left side of all of the plurality of light receivers, and the plurality of first light receivers are disposed on the right side of all of the plurality of light emitters.
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公开(公告)号:US12126398B2
公开(公告)日:2024-10-22
申请号:US18143687
申请日:2023-05-05
Inventor: Yutaka Murakami , Nobuhiko Hashida
IPC: H04B3/54 , B60L53/12 , B60L53/30 , B60L53/66 , H02J7/00 , H02J7/02 , H02J50/10 , H02J50/80 , H04L67/01
CPC classification number: H04B3/54 , B60L53/12 , B60L53/305 , B60L53/66 , H02J7/00032 , H02J7/0042 , H02J7/02 , H02J50/10 , H02J50/80 , H04L67/01
Abstract: A communication system includes one or more chargers and a server capable of communicating with the one or more chargers. The server obtains first information from a first vehicle via a first charger included in the one or more chargers, during charging of the first vehicle by the first charger, and supplies second information based on the first information to a second vehicle via a second charger included in the one or more chargers, during charging of the second vehicle by the second charger.
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公开(公告)号:US11784704B2
公开(公告)日:2023-10-10
申请号:US17076188
申请日:2020-10-21
Inventor: Yutaka Murakami , Nobuhiko Hashida
Abstract: In a repeater device: a communication device receives position information of a forwarding source device and a forwarding destination device using a first communication scheme; based on the position information of the forwarding source device, a moving mechanism moves the repeater device to a position at which it is capable of communicating with the forwarding source device using a second communication scheme; the communication device receives data from the forwarding source device using the second communication scheme; a storage device stores the data; based on the position information of the forwarding destination device received by the communication device, the moving mechanism moves the repeater device to a position at which it is capable of communicating with the forwarding destination device using the second communication scheme, and the communication device transmits the data stored in the storage device to the forwarding destination device using the second communication scheme.
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