Patents Assigned to MAXELL, LTD.
  • Publication number: 20230042017
    Abstract: Provided are a measurement system and a radio wave shielding member that include a radio wave absorber that has light transmittance and absorbs radio waves other than the radio waves to be measured, and thus is suitable for the measurement of radio wave properties. The measurement system includes a measuring target device 11, a measuring device 12 that emits and/or receives radio waves to measure the measuring target device, and a radio wave absorber 10 that has light transmittance and absorbs radio waves in and above the millimeter wave band. The radio wave absorber includes a transparent support member 2 and a radio wave absorbing sheet 1 that is attached to one surface of the support member. The radio wave absorbing sheet includes a resistive film 3, a dielectric layer 4, and a radio wave shielding layer 5 which are stacked on top of each other and all of which have light transmittance. The radio wave absorber blocks and/or absorbs unwanted radio waves around the measuring target device.
    Type: Application
    Filed: November 18, 2020
    Publication date: February 9, 2023
    Applicant: Maxell, Ltd.
    Inventors: Masao FUJITA, Masayuki TOYODA, Issei WATANABE
  • Publication number: 20230038870
    Abstract: An image encoding method for encoding an image, includes: a prediction image generation step generating a synthesis-prediction image by performing synthesis processing synthesizing an inter-prediction image and an intra-prediction image to an encoding-target block; and an encoding step encoding a difference between the prediction image generated in the prediction image generation step and a pixel value of an image of the encoding-target block, a plurality of intra prediction types are allowed to be used as the intra prediction used for the synthesis processing, and the plurality of intra prediction types include an in-screen block copy prediction, the synthesis processing includes weighting processing performed to the inter-prediction image and the intra-prediction image, and a weighting parameter of the intra-prediction image in the weighting processing is determined in accordance with an intra prediction type of the encoding-target block and prediction mode combination of a plurality of blocks adjacent to t
    Type: Application
    Filed: December 24, 2020
    Publication date: February 9, 2023
    Applicant: Maxell, Ltd.
    Inventor: Takuya SHIMIZU
  • Publication number: 20230044852
    Abstract: An information processing system comprising a portable information device, a relay apparatus that connects the portable information device to a network, and a server. The server includes a library in which, for each relay apparatus, an area where the relay apparatus is present is registered in association with relay apparatus identification information. The portable information device obtains connection authentication from the relay apparatus installed in an area where the own device is present, and when the authentication is successful, the relay apparatus that provides the authentication transmits the relay apparatus identification information to the server.
    Type: Application
    Filed: December 25, 2019
    Publication date: February 9, 2023
    Applicant: Maxell, Ltd.
    Inventors: Hitoshi AKIYAMA, Tamotsu ITO
  • Patent number: 11571952
    Abstract: A HUD device and an image display apparatus for solving a problem that a HUD image cannot be seen in a HUD device that displays a virtual image when wearing the sunglasses having polarization function are provided. A head up display device for a vehicle is provided with an image display apparatus configured to project an image onto a windshield or a combiner by polarized light and means of converting polarization of polarized light of the image projected from the image display apparatus, the means being provided on a part of a light path from the image display apparatus to the windshield or the combiner.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: February 7, 2023
    Assignee: MAXELL, LTD.
    Inventors: Toshinori Sugiyama, Koji Hirata, Yasuhiko Kunii, Masahiko Yatsu, Kazuomi Kaneko
  • Patent number: 11575960
    Abstract: A broadcast receiving apparatus capable of executing a function with a higher added value includes: a receiving unit configured to receive the video data of the digital broadcast program, the program-cooperation data, and the screen layout control information; a video generating unit configured to divide a video display region for a video to be outputted into a plurality of regions on the basis of the screen layout control information, arrange program video information and other information in each of the plurality of regions, and generate video information; a display unit configured to display the output video information; and a control unit which can, where there is no effective screen layout control information control the video generating unit so as not to divide the video display region and to generate the program video information as the output video information until effective screen layout control information is obtained.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: February 7, 2023
    Assignee: MAXELL, LTD.
    Inventors: Yasunobu Hashimoto, Kazuhiko Yoshizawa, Takuya Shimizu, Nobuo Masuoka, Toshiyuki Kurita, Hiroshi Shimizu, Yusuke Uchiyama
  • Patent number: 11570599
    Abstract: A mobile communication terminal A performs near field communication with another mobile communication terminal B by a near field communication unit and obtains a communication distance with another mobile communication terminal B. An information acquisition unit acquires information on another mobile communication terminal B, information on the mobile communication terminal A, or both of the information when the communication distance to the other mobile communication terminal B is equal to or more than a threshold. An abnormality determination unit determines an abnormal state of the mobile communication terminal A based on information (position information, wearing information, or the like) acquired by the information acquisition unit. When the abnormality determination unit determines that the mobile communication terminal A is in the abnormal state, a lock unit locks the mobile communication terminal A, the other mobile communication terminal B or both of those mobile communication terminals.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: January 31, 2023
    Assignee: MAXELL, LTD.
    Inventor: Kazuyuki Tajima
  • Patent number: 11567333
    Abstract: A head-mounted display comprises: a wearing body; a display; a communication module configured to perform communication connection with a mobile information terminal; a field of view (FOV) sensor configured to output status data used for determining whether the mobile information terminal is included in a user's FOV through the wearing body; and a controller connected to each of the display, the communication module, and the FOV detection sensor. The controller determines whether the mobile information terminal is included in the user's FOV based on the status data, and performs display control with respect to the display so as to display an application screen of the mobile information terminal on the display when determining that the mobile information terminal is not included in the FOV, and not to display the application screen on the display when determining that the mobile information terminal is included in the FOV.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: January 31, 2023
    Assignee: MAXELL, LTD.
    Inventors: Mitsunobu Watanabe, Yasunobu Hashimoto, Osamu Kawamae, Nobuo Masuoka, Kazuhiko Yoshizawa, Hiroshi Shimizu
  • Patent number: 11570357
    Abstract: An imaging device includes a modulator, a first grating pattern constituted by a plurality of lines, and a second grating pattern having a phase deviating from a phase of the first grating pattern, and modulates light intensity. The imaging device receives a first image signal output by the first grating pattern and a second image signal output by the second grating pattern, calculates difference data and a range of a difference between the first image signal and the second image signal, generates and sets a data conversion parameter at a regular interval from the difference data that is continuously input on the basis of the range of the difference and the difference data, generates compression image data by using the difference data and the data conversion parameter, compresses the generated compression image data, and includes information indicating the range of the difference into the compressed data.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: January 31, 2023
    Assignee: Maxell, Ltd.
    Inventors: Mayumi Nakade, Yusuke Nakamura, Keisuke Inata
  • Publication number: 20230023198
    Abstract: An image-capturing device includes a sensor, a visible-light-pixel driver, and a non-visible-light-pixel driver. The sensor is configured to have a plurality of visible light pixels having sensitivity to visible light and a plurality of non-visible light pixels having sensitivity to non-visible light. The visible-light-pixel driver controls light exposure to the visible light pixels and a reading operation for charges generated by photoelectric conversion of the visible light pixels resulting from the light exposure. The non-visible-light-pixel driver performs the light exposure to previously-set every two or more non-visible light pixels at the time of the light exposure to the non-visible light pixels and the reading operation, sums the charges generated by the photoelectric conversion of the two or more non-visible light pixels resulting from the light exposure, and creates the distance image on the basis of the summed charges.
    Type: Application
    Filed: October 5, 2022
    Publication date: January 26, 2023
    Applicant: MAXELL, LTD.
    Inventors: Junji SHIOKAWA, Takashi MATSUBARA
  • Publication number: 20230028160
    Abstract: An image encoding method for encoding an image includes: a prediction image generation step of generating a prediction image of a synthesis prediction by performing synthesis processing of synthesizing a prediction image of an in-screen block copy prediction and a prediction image of an intra prediction different from the in-screen block copy prediction, to an encoding-target block; and an encoding step of encoding a difference between the prediction image generated in the prediction image generation step and a pixel value of an image of the encoding-target block, the synthesis processing includes weighting processing performed to the prediction image of the in-screen block copy prediction and the prediction image of the intra prediction that is different from the in-screen block copy prediction, and a weighting parameter of the prediction image of the intra prediction in the weighting processing is determined by information of an adjacent block adjacent to the encoding-target block.
    Type: Application
    Filed: December 25, 2020
    Publication date: January 26, 2023
    Applicant: Maxell, Ltd.
    Inventor: Takuya SHIMIZU
  • Publication number: 20230028434
    Abstract: An image encoding method for encoding an image includes: a prediction image generation step of generating a synthesis-prediction image by performing synthesis processing of synthesizing an inter-prediction image and an intra-prediction image to an encoding-target block; and an encoding step of encoding a difference between the prediction image generated in the prediction image generation step and a pixel value of an image of the encoding-target block, the synthesis processing includes weighting processing performed to the inter-prediction image and the intra-prediction image, a weighting parameter in the weighting processing is determined in accordance with a type of the intra prediction of the encoding-target block and a combination of prediction modes of a plurality of adjacent blocks adjacent to the encoding-target block, and types of the intra prediction of the encoding-target block include a matrix weighting intra prediction.
    Type: Application
    Filed: December 11, 2020
    Publication date: January 26, 2023
    Applicant: Maxell, Ltd.
    Inventor: Takuya SHIMIZU
  • Patent number: 11561395
    Abstract: The head-up display device includes a display element that emits image light and a virtual image optical system. The virtual image optical system includes a lens unit and a free curved surface mirror disposed along the emission direction of the image light in this order from a position close to the display element. The display element is disposed with a tilting attitude with respect to the optical axis of the lens unit with an end on the housing aperture side in an emission surface being close to an incidence surface in the lens unit and with an end on the opposite side of the housing aperture in an emission surface being apart from an incidence surface in the lens unit. The lens unit has an optical characteristic of optically enlarging an optical path length difference according to a virtual image distance difference.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: January 24, 2023
    Assignee: MAXELL, LTD.
    Inventors: Akio Misawa, Nozomu Shimoda, Yuji Fujita, Shigeki Hoshino
  • Patent number: 11561394
    Abstract: An information display apparatus and an information display method configured to display video information of a virtual image on a windshield of conveyance is provided. The information display apparatus includes: a display configured to display the video information; and a virtual image optical system configured to display a virtual image at a front of the conveyance by reflecting light emitted from the display by means of the windshield. The virtual image optical system includes a concave mirror and an optical element. A reflective film is formed on a reflecting surface of the concave mirror. A protective film for preventing moisture absorption is formed on a facing surface. By forming end surfaces of the two surfaces as a curved surface or an inclined surface and forming them on the end surfaces to block moisture, moisture absorption of plastic is prevented.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: January 24, 2023
    Assignee: MAXELL, LTD.
    Inventors: Koji Hirata, Masahiko Yatsu, Shuji Kato, Toshinori Sugiyama, Michiaki Abe, Eiji Kawawa, Hiroyuki Kajikawa
  • Publication number: 20230017875
    Abstract: A display apparatus that includes a first imaging unit that images a user, a first distance detector that identifies an eye of the user and measure a first distance that is a distance from the identified eye to the first imaging unit, a second imaging unit that images an object, a second distance detector that measures a second distance that is a distance from the second imaging unit to the object, an image processor that processes the images, and a display unit, the image processor calculating a display imaging range, extracting the calculated display imaging range from the image imaged by the second imaging unit, and causing the display unit to display it, and the display imaging range being such a range that the object displayed and an external scenery not interrupted by the display unit seen from a viewpoint of the user have the same size.
    Type: Application
    Filed: September 21, 2022
    Publication date: January 19, 2023
    Applicant: Maxell, Ltd.
    Inventors: Hiroshi SHIMIZU, Ikuya ARAI, Yasunobu HASHIMOTO, Tomonori NOMURA, Osamu KAWAMAE, Kazuhiko YOSHIZAWA, Naohisa TAKAMIZAWA
  • Patent number: 11556244
    Abstract: Information is read, which relates to an array of objects for input that have been displayed on a display unit upon input of input information. Whether an input object of the input information that is displayed on the display unit has been touched is determined. When the input object is determined as having been touched, the touched input object is recognized as an object to be corrected. A correction candidate object based on the array of the objects for input is displayed in the vicinity of the object to be corrected. Whether the correction candidate object has been touched is determined. When the correction candidate object is determined as having been touched, the object to be corrected is replaced with the touched correction candidate object.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: January 17, 2023
    Assignee: MAXELL, LTD.
    Inventors: Kazuhiko Yoshizawa, Yasunobu Hashimoto, Akira Ishiyama
  • Patent number: 11552506
    Abstract: Provided is non-contact power transmission/reception technique which is easy to be used while ensuring consideration for safety. A non-contact power transmission device 100 that wirelessly transfers generated transmission power to a non-contact power reception device 200 comprises a transmission power generation unit 120 configured to perform generation of the transmission power and a control unit 117 configured to control the generation of the transmission power. The control unit 117 is further configured to control the generation of the transmission power which is performed by the transmission power generation unit 120 in accordance with a surrounding environment in which at least one of the non-contact power transmission device 100 and the non-contact power reception device 200, or at least one of states of these devices.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: January 10, 2023
    Assignee: MAXELL, LTD.
    Inventors: Osamu Kawamae, Yoshinori Okada
  • Patent number: 11553241
    Abstract: A broadcast reception device includes: a program recording execution unit that stores, into a recording-content storage area, program identification information for identifying a broadcast program, and storage-destination information for specifying a server device storing the broadcast program; a reception function execution unit that transmits the program identification information and the program storage-destination information to the server device specified from the program storage-destination information; and an output unit that outputs sound information and image information on the broadcast program transmitted from the server device.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: January 10, 2023
    Assignee: MAXELL, LTD.
    Inventors: Kazuhiko Yoshizawa, Nobuo Masuoka, Hiroshi Shimizu, Yasunobu Hashimoto
  • Patent number: 11546627
    Abstract: High-quality video is provided using a small amount of coded bits. The moving picture decoding method performs inter-frame prediction processing. With the aforementioned inter-frame prediction processing, blocks with similar motion vectors from among the motion vectors in multiple blocks that have already been decoded are combined and a combined area is computed. A predicted vector for a target block to be decoded is computed using the motion vector of the aforementioned combined area, and a motion vector for the aforementioned target block is computed based on the aforementioned predicted vector and a difference vector which is included in a coded stream that is input. A predicted image is generated using the aforementioned motion vector, and a difference image which is included in the aforementioned coded stream and the aforementioned predicted image are added to generate a decoded image.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: January 3, 2023
    Assignee: Maxell, Ltd.
    Inventors: Masashi Takahashi, Muneaki Yamaguchi, Hiroaki Ito, Takehiro Fujita
  • Patent number: 11546509
    Abstract: The portable device is provided with a photograph unit to acquire, at a first time interval, images with a super wide angle of which a maximum value reaches all peripheral directions around the portable device; a traveling direction calculation unit to calculate a traveling direction of the portable device at a second time interval; an image segmentation unit to segment, as a traveling direction image, an image of a predetermined range where the traveling direction is positioned at a center thereof, from a latest acquired image every time the traveling direction calculation unit calculates the traveling direction; and a display control unit to display the traveling direction image on a predetermined traveling direction display region of a display of the portable device. The display control unit displays a video image designated by a user on a first display region, which is different from the traveling direction display region.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: January 3, 2023
    Assignee: MAXELL, LTD.
    Inventors: Hiroshi Shimizu, Yasunobu Hashimoto, Ikuya Arai
  • Patent number: RE49407
    Abstract: A lithium secondary battery pack of the present invention includes: a lithium secondary battery including an electrode body formed of a positive electrode and a negative electrode facing each other and a separator interposed therebetween, and a non-aqueous electrolyte; a PTC element; and a protection circuit including a field effect transistor. The lithium secondary battery has an energy density per volume of 450 Wh/L or more, the lithium secondary battery has a current density of 3.0 mA/cm2 or less, and a relational expression (1) and a relational expression (2) below are established where A (m?) is an impedance of the lithium secondary battery and B (m?) is an impedance of the entire circuit unit of the lithium secondary battery pack excepting the impedance A (m?) of the lithium secondary battery: A?50 m???(1) B/A?1??(2).
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: January 31, 2023
    Assignee: Maxell, Ltd.
    Inventors: Haruki Kamizori, Masayuki Yamada, Fusaji Kita