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    Device management method and device management system
    42.
    发明授权
    Device management method and device management system 有权

    公开(公告)号：US11438222B2

    公开(公告)日：2022-09-06

    申请号：US16638445

    申请日：2019-02-27

    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

    Inventor： Masaya Yamamoto ,  Masayuki Kozuka ,  Kunio Gobara ,  Shinya Nakai ,  Mitsuki Yamada ,  Tomoki Ogawa ,  Junya Suzuki

    IPC: H04L41/0803 ,  G06F16/23 ,  G06F16/245 ,  G16Y10/80 ,  G16Y40/30

    Abstract: A device management method executed in a server communicatively connected, via a network, to a plurality of devices and a first operation device associated with a first user identifier identifying a first user, includes: receiving, from the first operation device, a request to associate the first user identifier and a first device identifier identifying a first device among the plurality of devices; and when, in correspondence information stored in a storage device and including device identifiers identifying devices associated with user identifiers identifying users, (i) the first device identifier is associated with a second user identifier different from the first user identifier and (ii) the first user identifier is associated with a second device identifier identifying a second device different from the first device among the plurality of devices, storing the second device identifier and the second user identifier in association with each other.

    Display system, display method, and display apparatus
    44.
    发明授权
    Display system, display method, and display apparatus 有权

    公开(公告)号：US11240463B2

    公开(公告)日：2022-02-01

    申请号：US17099050

    申请日：2020-11-16

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： Kengo Terada ,  Masayuki Kozuka ,  Takahiro Nishi ,  Tadamasa Toma

    IPC: H04N5/57 ,  G06F3/14 ,  H04N5/76 ,  H04N7/01 ,  G09G5/10 ,  H04N5/20 ,  H04N7/015 ,  H04N9/79 ,  H04N9/87

    Abstract: A display system includes a conversion apparatus converting video luminance including a luminance value in a first luminance range and a display apparatus connected thereto and displaying the video. The conversion apparatus includes a first acquisition unit, a first luminance converter, a second luminance converter, a quantization converter, and an output unit outputting a third luminance signal to the display apparatus. The display apparatus includes: a second acquisition unit acquiring the third luminance signal and setting information indicating display settings recommended to the display apparatus in display of the video; a display setting unit setting the display apparatus, using the setting information; a third luminance converter converting a third code value indicated by the third luminance signal into a second luminance value compatible with a second luminance range, using the setting information; and a display controller displaying the video on the display apparatus based on the second luminance value.

    Network service intermediation method and intermediation system
    45.
    发明授权
    Network service intermediation method and intermediation system 有权

    公开(公告)号：US11212270B2

    公开(公告)日：2021-12-28

    申请号：US16881195

    申请日：2020-05-22

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： Takahiro Yamaguchi ,  Masaya Yamamoto ,  Natsume Matsuzaki ,  Masayuki Kozuka

    IPC: H04L29/06

    Abstract: An intermediation method used in an intermediation system that includes an intermediation device determining a permission for application services requiring user authentication on a network, where in response to a user request, a first account used for a first service and a second account used for a second service, and a registration request for using the linking service linking the first application service and the second application service are associated with each other, when the two accounts are valid, as accounts usable in a linking service, an association between the first and second services is stored in the intermediation device, and when the user makes a request to use the linked services, that use is controlled by a query to the intermediation device regarding whether the account is associated as able to use the linking service.

    Method for converting luminance range of picture signal
    47.
    发明授权
    Method for converting luminance range of picture signal 有权

    公开(公告)号：US11057600B2

    公开(公告)日：2021-07-06

    申请号：US16889136

    申请日：2020-06-01

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： Tadamasa Toma ,  Masayuki Kozuka ,  Takahiro Nishi

    IPC: H04N9/77 ,  H04N5/202 ,  H04N5/20 ,  H04N5/235 ,  G09G5/00 ,  H04N9/68 ,  G09G5/10

    Abstract: In a converting method relating to picture luminance according to one aspect of the present disclosure, the picture luminance is formed by luminance values in a first luminance range. In this method, a first luminance signal that indicates code values obtained by quantizing the luminance value of the picture is obtained, code values, which are associated with the code values indicated by the obtained first luminance signal by quantization for a second luminance range different in a maximum value from the first luminance range are determined as converted code values, and the first luminance signal is converted into a second luminance signal indicating the converted code values. As a result, the converting method is further improved.

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