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    Information communication method
    61.
    发明授权
    Information communication method 有权
    信息通信方式

    公开(公告)号：US09407368B2

    公开(公告)日：2016-08-02

    申请号：US14979655

    申请日：2015-12-28

    Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA

    Inventor： Mitsuaki Oshima ,  Koji Nakanishi ,  Hideki Aoyama ,  Ikuo Fuchigami ,  Hidehiko Shin ,  Tsutomu Mukai ,  Yosuke Matsushita ,  Shigehiro Ilda ,  Kazunori Yamada

    IPC: H04B10/00 ,  H04B10/116

    CPC classification number: H04B10/116 ,  H04B10/541 ,  H04L12/2803 ,  H04L2012/2841

    Abstract: An information communication method is provided for transmitting a signal using a change in luminance. The method includes determining a pattern of the change in luminance by modulating the signal to be transmitted, and transmitting the signal by a light emitter changing in luminance according to the determined pattern, wherein the pattern of the change in luminance is a pattern in which one of two different luminance values occurs in each arbitrary position in a predetermined duration. In the determining, the pattern of the change in luminance is determined so that a luminance change position in the duration is different for each of different signals to be transmitted, the luminance change position being a position at which the luminance rises or a position at which the luminance falls.

    Abstract translation: 提供了一种使用亮度变化来发送信号的信息通信方法。 该方法包括通过调制要发送的信号来确定亮度变化的模式，并且根据所确定的图案通过以亮度变化的发光器发送信号，其中亮度变化的图案是其中一个 在预定持续时间内的每个任意位置发生两个不同的亮度值。 在确定中，确定亮度变化的图案，使得持续时间中的亮度变化位置对于要发送的不同信号中的每个不同，亮度变化位置是亮度上升的位置， 亮度下降。

    Communication method, communication device, and transmitter
    67.
    发明授权
    Communication method, communication device, and transmitter 有权

    公开(公告)号：US10951310B2

    公开(公告)日：2021-03-16

    申请号：US16370764

    申请日：2019-03-29

    Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA

    Inventor： Hideki Aoyama ,  Mitsuaki Oshima

    IPC: H04B10/116 ,  G06T7/13 ,  G06F3/01 ,  G06K9/20

    Abstract: A communication method including: determining whether a terminal is capable of performing visible light communication; when the terminal is determined to be capable of performing the visible light communication, obtaining a decode target image by an image sensor capturing a subject whose luminance changes, and obtaining, from a striped pattern appearing in the decode target image, first identification information transmitted by the subject; and when the terminal is determined to be incapable of performing the visible light communication in the determining pertaining to the visible light communication, obtaining a captured image by the image sensor capturing the subject, specifying a predetermined specific region by performing edge detection on the captured image, and obtaining, from a line pattern in the specific region, second identification information transmitted by the subject.

    Information communication method
    69.
    发明授权
    Information communication method 有权

    公开(公告)号：US10531009B2

    公开(公告)日：2020-01-07

    申请号：US16380515

    申请日：2019-04-10

    Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA

    Inventor： Mitsuaki Oshima ,  Koji Nakanishi ,  Hideki Aoyama ,  Ikuo Fuchigami ,  Hidehiko Shin ,  Tsutomu Mukai ,  Yosuke Matsushita ,  Shigehiro Iida ,  Kazunori Yamada

    IPC: H04B10/00 ,  H04N5/235 ,  H04B10/116 ,  H04B10/516 ,  H04J14/00

    Abstract: An information communication method selectively obtains a location of a terminal device. Determining the location of the terminal device by wireless communication with a wireless access point includes receiving a radio signal including a first identification information to identify a location of the wireless access point, and calculating the location of the terminal device using the identified location of the wireless access point, which is identified by the first identification information. Determining the location of the terminal device by visible light communication with a subject provides higher accuracy and includes setting an exposure time of an image sensor having a plurality to exposure lines so that a bright line corresponding to each of the plurality of exposure lines included in the image sensor appears according to a change in luminance of the subject, obtaining a bright line image by capturing the subject, and demodulating data from the bright line image.

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