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    Information communication method
    14.
    发明授权
    Information communication method 有权
    信息通信方式

    公开(公告)号：US09515731B2

    公开(公告)日：2016-12-06

    申请号：US15002812

    申请日：2016-01-21

    Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA

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

    IPC: H04B10/00 ,  H04B10/116 ,  H04B10/11 ,  H04B10/114 ,  H04N5/235 ,  H04W4/00 ,  H04W4/20

    CPC classification number: H04B10/116 ,  H04B10/11 ,  H04B10/1143 ,  H04L12/282 ,  H04L2012/2841 ,  H04N5/2353 ,  H04W4/20 ,  H04W4/50

    Abstract: An information communication method of transmitting a signal is provided that uses 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. 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. The determining a pattern of change in luminance includes dividing the predetermined duration into four duration units, so that one of two different luminance value occurs in one duration unit of the four duration units and the other luminance value of the two different luminance value occurs in three duration units of the four duration units, the three duration units are other than the one duration unit.

    Abstract translation: 提供使用亮度变化的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，以及根据确定的模式通过以亮度变化的发光器发送信号。 亮度变化的图案是在预定持续时间内的每个任意位置出现两种不同亮度值中的一种的图案。 确定亮度变化的模式包括将预定持续时间划分为四个持续时间单位，使得两个不同亮度值中的一个发生在四个持续时间单位的一个持续时间单位中，并且两个不同亮度值的另一个亮度值出现在三个 四个持续时间单位的持续时间单位，三个持续时间单位不同于一个持续时间单位。

    Information communication method for obtaining information using bright line image
    15.
    发明授权
    Information communication method for obtaining information using bright line image 有权
    使用亮线图像获取信息的信息通信方法

    公开(公告)号：US09380227B2

    公开(公告)日：2016-06-28

    申请号：US14959264

    申请日：2015-12-04

    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: H04N5/353 ,  H04N5/232 ,  H04B10/116 ,  H04N5/235

    CPC classification number: H04N5/2353 ,  H04B10/11 ,  H04B10/1143 ,  H04B10/116 ,  H04N5/23203 ,  H04N5/23245 ,  H04N5/3532 ,  H04W4/20 ,  H04W4/21 ,  H04W4/50

    Abstract: An apparatus includes a processor and a recording medium having a program, the program causing the processor to execute operations. The operations include a normal mode and a visible light communication mode, wherein the normal mode and the visible light communication mode are switchable. In the normal mode, first image data is obtained by image capture with a first exposure time by sequentially starting exposure for a plurality of exposure lines in an image sensor each at a different time and each of the plurality of exposure lines partially overlaps in exposure time an adjacent exposure line. The visible light communication mode includes (i) setting a second exposure time of the image sensor, (ii) obtaining a bright line image including the plurality of bright lines, and (iii) obtaining information by demodulating data specified by a pattern of the plurality of bright lines included in the obtained bright line image.

    Abstract translation: 一种装置包括处理器和具有程序的记录介质，该程序使处理器执行操作。 操作包括正常模式和可见光通信模式，其中正常模式和可见光通信模式是可切换的。 在正常模式下，通过在不同时间对图像传感器中的多个曝光线依次开始曝光，以第一曝光时间进行图像拍摄，获得第一图像数据，并且多个曝光线中的每一个在曝光时间部分重叠 相邻曝光线。 可见光通信模式包括（i）设置图像传感器的第二曝光时间，（ii）获得包括多条亮线的亮线图像，以及（iii）通过解调由多个亮线的图案指定的数据来获得信息 包含在所获得的亮线图像中的亮线。

    Transmitter and transmitting method
    16.
    发明授权
    Transmitter and transmitting method 有权
    发射机和发射方式

    公开(公告)号：US09377639B2

    公开(公告)日：2016-06-28

    申请号：US14318745

    申请日：2014-06-30

    Applicant: Panasonic Intellectual Property Corporation of America

    Inventor： Hideki Aoyama ,  Mitsuaki Oshima

    IPC: G02F1/35 ,  G02F1/133 ,  G02F1/1335 ,  G02F1/135 ,  G02F1/1333

    CPC classification number: G02F1/13306 ,  G02F1/133504 ,  G02F1/133524 ,  G02F1/133528 ,  G02F1/133553 ,  G02F1/1336 ,  G02F1/135 ,  G02F2001/133342 ,  G02F2001/133531 ,  G02F2001/133626 ,  G02F2001/1351 ,  G02F2001/1352 ,  H04B10/116

    Abstract: A transmitter that is difficult to be affected by structural constraints includes: a liquid crystal board; a first board having translucency; and a second board; and a control unit that changes, by switching transmittance of the liquid crystal board with respect to outside light through application, to the liquid crystal board, of a control voltage corresponding to a signal to be transmitted, an amount of light reflected by the first board and emitted toward the receiver via the liquid crystal board, wherein the control unit maintains, when switching the transmittance of the liquid crystal board to a low transmittance, the transmittance of the liquid crystal board at the low transmittance until the outside light that passed through the liquid crystal board is reflected by the second board and reaches the liquid crystal board.

    Abstract translation: 难以受结构约束的变送器包括：液晶板; 具有半透明度的第一板; 和第二板; 以及控制单元，其通过将液晶板相对于外部光的透射率切换到与要发送的信号相对应的控制电压的液晶板，改变由第一板反射的光量 并且经由液晶板朝向接收器发射，其中，当将液晶板的透射率切换到低透射率时，控制单元维持低透射率下的液晶板的透射率直到穿过该液晶板的外部光 液晶板被第二板反射并到达液晶板。

    Information communication method
    18.
    发明授权
    Information communication method 有权
    信息通信方式

    公开(公告)号：US08908074B2

    公开(公告)日：2014-12-09

    申请号：US14315867

    申请日：2014-06-26

    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: H04N3/14 ,  H04N5/335 ,  H04N5/235 ,  H04N5/353

    CPC classification number: H04N5/2353 ,  H04B10/1143 ,  H04B10/116 ,  H04B10/541 ,  H04N5/232 ,  H04N5/2351 ,  H04N5/2352 ,  H04N5/243 ,  H04N5/3532 ,  H04W4/80

    Abstract: An information communication method selects between a visible light communication mode, in which information is obtained from a subject using an image sensor having a plurality of exposure lines, and a normal imaging mode. The information communication method includes obtaining first image data by image capture with a first exposure time in the normal imaging mode and obtaining second image data by image capture with a second exposure time, shorter than the first exposure time, in the visible light communication mode. When the second image data is obtained by capturing a plurality of subjects reflected on a reflection surface, the information is obtained by separating a bright line corresponding to each subject from bright lines included in the second image data according to a strength of the bright line and demodulating, for each subject, the data specified by the pattern of the bright line.

    Abstract translation: 信息通信方法在使用具有多个曝光线的图像传感器的被摄体获得信息的可见光通信模式和正常成像模式之间进行选择。 信息通信方法包括通过在正常成像模式中的第一曝光时间的图像捕获获得第一图像数据，并且通过在可见光通信模式中以比第一曝光时间短的第二曝光时间通过图像捕获获得第二图像数据。 当通过拍摄在反射面上反射的多个被摄体获得第二图像数据时，通过根据亮线的强度将与每个被摄体相对应的亮线与包括在第二图像数据中的亮线分离， 针对每个被摄体解调由亮线图案指定的数据。

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