Patents Assigned to MAXELL, LTD.
  • Patent number: 12294763
    Abstract: A digital broadcast receiving apparatus capable of executing a function with a higher added value is provided. A broadcast receiving apparatus configured to receive contents includes: a receiving unit configured to receive the contents; an interface through which the contents received by the receiving unit are outputted; and a control unit configured to control an output state of the contents from the interface. The control unit is configured to determine an output state of the contents from the interface in accordance with a combination of control information indicating a copy control state of the contents, control information for specifying whether protection is required or not when the contents are to be outputted, information indicating resolution of video of the contents, and information indicating transmission characteristics of the video of the contents, which are received by the receiving unit together with the contents.
    Type: Grant
    Filed: October 27, 2023
    Date of Patent: May 6, 2025
    Assignee: MAXELL, LTD.
    Inventors: Takuya Shimizu, Kazuhiko Yoshizawa, Yasunobu Hashimoto, Nobuo Masuoka, Nobuaki Kabuto
  • Patent number: 12294814
    Abstract: A watching monitoring apparatus includes a monitoring camera and a home server, and monitors a watching space in which a watched person exists. The monitoring camera images the watching space. The home server includes a person detector that detects a person from a captured image, and classifies the detected person into a face part and a body part, a processing-drawing part that performs a processing-drawing process with respect to the body part except for the face part, an image synthesizer that creates a synthesized image of an image subjected to the processing-drawing process and the captured image, and a network part through which the synthesized image is transmitted to a display terminal of a watching person. When the detected person has not been registered in face information registration data in which face information of the watched person is registered, the processing-drawing process is not performed with respect to the person.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: May 6, 2025
    Assignee: MAXELL, Ltd.
    Inventors: Koji Kaniwa, Masuo Oku
  • Patent number: 12286012
    Abstract: An information display system configured to unidirectionally display an image to inside or outside of a space via a transparent projected member provided in the space includes an image projection apparatus arranged inside the space and configured to generate and project image light by modulating a light flux from a light source, a transparent sheet provided on an inner surface of a display region set on a part of the projected member, and a light direction changing panel configured to change a direction of the image light from the image projection apparatus toward the transparent sheet of the display region, and the transparent sheet includes a retardation plate, an absorption type polarization plate that absorbs a specific polarized wave, and a transparent diffusion sheet material having a light diffusion function, and projects the image light whose direction has been changed by the light direction changing unit to the inside or the outside of the space.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: April 29, 2025
    Assignee: MAXELL, LTD.
    Inventors: Koji Hirata, Koji Fujita, Toshinori Sugiyama, Eiji Takagi
  • Patent number: 12287480
    Abstract: The information display apparatus configured to display video information of a virtual image on a reflecting surface of conveyance 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 reflecting surface. The virtual image optical system includes a concave mirror and an optical element. The optical element is arranged between the display and the concave mirror, and is configured to correct distortion of the virtual image obtained so as to correspond to a viewpoint position of a driver on a basis of a shape of the concave mirror and a shape of the optical element. The information display apparatus further includes a virtual image double image conversion reducer configured to reduce double image conversion of the virtual image.
    Type: Grant
    Filed: February 14, 2024
    Date of Patent: April 29, 2025
    Assignees: MAXELL, LTD., HITACHI INDUSTRY & CONTROL SOLUTIONS, LTD.
    Inventors: Koji Hirata, Masahiko Yatsu, Toshinori Sugiyama, Kazuomi Kaneko
  • Patent number: 12282842
    Abstract: A CNN processing apparatus (1) includes an input buffer (10) configured to store an input signal given to a CNN, a storage unit (12) configured to store a table (120) in which the input signal given to the CNN and a binary signal corresponding to the value of the input signal are associated with each other, a binary signal acquisition unit (13) configured to acquire the binary signal corresponding to the value of the input signal stored in the input buffer (10) by referring to the table (120), and a convolutional operation unit (14) configured to perform an operation of the CNN based on the binary signal acquired by the binary signal acquisition unit (13). The binary signal has an accuracy complying with a predetermined operation accuracy of the CNN.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: April 22, 2025
    Assignee: MAXELL, LTD.
    Inventor: Hiroyuki Tokunaga
  • Patent number: 12284464
    Abstract: A videophone system includes a processor which selectively sets a television (TV) broadcast program viewing function mode and videophone function mode in response to manual operation of a remote control, a decoder which performs, in the TV program view mode, a TV program-use decode function for decoding a broadcast program signal received from a TV tuner to thereby display it on a display screen while producing audio sounds by loudspeakers and which performs, in the videophone function mode a videophone-use decode function for decoding a videophone signal received from a distant party to thereby display on the screen an image of the distant party using the screen and speakers, and an encoder which performs a videophone-use encode function for encoding a video signal from a camera and a voice signal from a microphone to generate a videophone signal, which is sent to the distant party via a network.
    Type: Grant
    Filed: December 1, 2023
    Date of Patent: April 22, 2025
    Assignee: MAXELL, LTD.
    Inventors: Kazunori Iwabuchi, Hiroki Mizosoe, Mutsumi Shimoda, Setiawan Bondan, Manabu Sasamoto
  • Patent number: 12283688
    Abstract: The inventive negative electrode for the electrochemical element includes a negative electrode composition layer provided on at least one surface of a current collector made of a metal foil; in which the negative electrode composition layer includes material S comprising Si and a hardly-graphitizable carbon material as a negative electrode active material; in which assuming that the whole amount of the negative electrode active material contained in the negative electrode composition layer is 100 mass %, a ratio of the material S is 50 to 90 mass % and a ratio of the hardly-graphitizable carbon materials is 10 to 50 mass %. The inventive lithium ion secondary battery includes a positive electrode, a negative electrode, a separator and a nonaqueous electrolyte liquid, and the negative electrode is constituted by the negative electrode for the electrochemical element of the present invention.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: April 22, 2025
    Assignee: MAXELL, LTD.
    Inventors: Hiroyoshi Aoki, Hiroshi Abe, Seiji Ishizawa, Haruki Kamizori
  • Patent number: 12284462
    Abstract: Provided is a video display device wearable on the head of a user, wherein the video display device includes a video display unit capable of switching two or more display methods, a control unit for indicating a display method to the video display unit, a first detection unit for detecting the motion of the head of a user, a second detection unit for detecting the motion of the point of view of the user, and a motion determination unit for determining the motion state of the device user by using the output from the first detection unit and the output from the second detection unit. The control unit indicates a change of display methods to the video display unit in accordance with the determination result of the motion determination unit.
    Type: Grant
    Filed: November 14, 2023
    Date of Patent: April 22, 2025
    Assignee: MAXELL, LTD.
    Inventors: Takahiro Matsuda, Satoshi Ouchi, Yoshiho Seo, Seiji Murata
  • Patent number: 12284437
    Abstract: A video recording device includes: a first imaging unit (in camera) arranged on a same face as that of a display unit of a casing of the device; a second imaging unit (out camera) arranged on a face different from that of the display unit of the casing of the device; and an audio input unit that inputs a command voice giving an instruction for recording a video signal. A control unit sets a delay time until start of a recording process performed by the recording unit after input of the command voice to be different in accordance with the enabled imaging unit and sets a delay time of a case where the first imaging unit is enabled to be longer than a delay time of a case where the second imaging unit is enabled.
    Type: Grant
    Filed: May 22, 2023
    Date of Patent: April 22, 2025
    Assignee: MAXELL, LTD.
    Inventors: Kazuhiko Yoshizawa, Hirohito Kuriyama
  • Patent number: 12279011
    Abstract: A broadcast reception device receives a digital broadcast service capable of executing an application cooperating with a broadcast program, and is provided with: a broadcast reception unit which receives broadcast waves of the digital broadcast service; a separation unit which separates video information relating to the broadcast program and application-related information from the received broadcast waves; a broadcast video decoding unit which decodes the video information relating to the broadcast program; an application acquisition unit which acquires an application on the basis of location information included in the application-related information; an application execution unit which executes the acquired application and acquires additional data from a server device; a video conversion unit which converts broadcast program video decoded by the broadcast decoding unit into high-quality video having a higher quality than the video using the acquired additional data; and a display unit which is able to disp
    Type: Grant
    Filed: April 26, 2024
    Date of Patent: April 15, 2025
    Assignee: MAXELL, LTD.
    Inventors: Kazuhiko Yoshizawa, Tetsuya Sakamoto, Motoyuki Suzuki, Yasunobu Hashimoto, Nobuaki Kabuto, Keisuke Inata
  • Patent number: 12277359
    Abstract: An information processing device comprises: a camera; a display screen for displaying a captured image; a line-of-sight sensor configured to detect a line of sight of a user and output line-of-sight information; a communication unit configured to provide communication with an image display device that is separate from the information processing device; and a processor, wherein the processor is configured to: determine whether a line-of-sight destination of the user is in the display screen based on the line-of-sight information while the camera is capturing an image; upon determining that the line-of-sight destination of the user is not in the display screen, transfer the captured image being displayed on the display screen to the image display device via the communication unit; and transmit, to the image display device, a display start signal for causing the image display device to display the captured image as transferred.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: April 15, 2025
    Assignee: MAXELL, LTD.
    Inventors: Hitoshi Akiyama, Nobukazu Kondo, Yoshinori Okada
  • Patent number: 12276899
    Abstract: The present invention provides an image pickup device that recognizes the object that the user is attempting to capture as the subject, tracks the movement of that subject, and can continue tracking the movement of the subject even when the subject leaves the capturing area so that the subject can always be reliably brought into focus. The image pickup device includes a main camera that captures the subject; an EVF that displays the captured image captured by the main camera, a sub-camera that captures the subject using a wider capturing region than the main camera, and a processing unit that extracts the subject from the captured images captured by the main camera and the sub-camera, tracks the extracted subject, and brings the subject into focus when an image of the subject is actually captured. When the subject moves outside of a capturing region of the main camera, the processing unit tracks the subject extracted from the captured image captured by the sub-camera.
    Type: Grant
    Filed: November 8, 2023
    Date of Patent: April 15, 2025
    Assignee: MAXELL, LTD.
    Inventors: Hiroshi Shimizu, Kazuhiko Yoshizawa, Yasunobu Hashimoto, Nobuo Masuoka
  • Patent number: 12270993
    Abstract: A vehicle information display apparatus using a part of a shield glass of a vehicle to display information on an inside of the vehicle includes: a video display apparatus provided inside the vehicle to project video light of the information; a transparent sheet provided on an inner surface of the display region set to the part of the shield glass; and a light direction converting panel to convert a direction of the video light from the video display apparatus toward the transparent sheet. The transparent sheet includes a phase difference plate, an absorption type polarizing plate to absorb a specific polarized wave, and a transparent sheet member having a light diffusion effect in order from the shield glass side toward the video display apparatus. The information by the video light whose direction is converted by the light direction converting panel is displayed to the inside of the vehicle.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: April 8, 2025
    Assignee: MAXELL, LTD.
    Inventors: Koji Hirata, Koji Fujita
  • Patent number: 12267550
    Abstract: A broadcast receiving includes a broadcast receiver that receives a broadcast wave of a digital broadcasting service; a separator that separates coded program video data, program-cooperation data, and screen layout control information, from the broadcast wave; a video decoder that decodes the coded program video data to reproduce program video information; a cooperation information generator that interprets the program-cooperation data to generate program-cooperation information; and a control unit that, when an instruction to display a given screen is input while the presentation processor divides video display region into sub-regions based on the screen layout control information, places the program video information in one of the sub-regions, places the program-cooperation information in another sub-region, and outputs the data of the video display region as the video information, outputs information of the given screen as the video information without dividing the video display region based on the screen
    Type: Grant
    Filed: November 21, 2023
    Date of Patent: April 1, 2025
    Assignee: MAXELL, LTD.
    Inventors: Kazuhiko Yoshizawa, Takuya Shimizu, Nobuo Masuoka, Yusuke Uchiyama, Yasunobu Hashimoto
  • Patent number: 12267526
    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: Grant
    Filed: September 20, 2024
    Date of Patent: April 1, 2025
    Assignee: MAXELL, LTD.
    Inventor: Takuya Shimizu
  • Patent number: 12267804
    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: Grant
    Filed: December 25, 2019
    Date of Patent: April 1, 2025
    Assignee: MAXELL, LTD.
    Inventors: Hitoshi Akiyama, Tamotsu Ito
  • Patent number: 12267480
    Abstract: A stereo imaging device is capable of detecting a target with a high precision, while photographing a wide range. The stereo imaging device has an imaging unit 5 including a lens and an imaging sensor. The lens has a low distortion region and a high distortion region, the low distortion region being a portion having a distortion smaller than a predetermined amount, the high distortion region being a portion having a distortion larger than the low distortion region. A cutout unit outputs an image from which a range including a detection target has been cut out from an area photographed through the low distortion region, such output being performed for image photographed by a pair of imaging units when a detection target is present within an area photographed through the low distortion region. A detection unit detects a detection target based on the cutout image.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: April 1, 2025
    Assignee: MAXELL, LTD.
    Inventor: Hiroyasu Otsubo
  • Patent number: 12259549
    Abstract: A vehicle includes a windshield, a display panel, a virtual image optical system forming an optical path of an image light emitted from the display panel onto the windshield, an outer housing, and a control circuit to control the display panel. The outer housing includes an outer case accommodating the virtual image optical system and having the image display panel attached thereto, an upper cover from which the image light is emitted, and a bottom cover covering a bottom portion of the outer case and having fins on an outer surface thereof. The bottom cover accommodates the display panel and the bottom surface of the outer case when fixed to the outer case and the display panel to isolate them from an external space of the outer housing. A heat conductive portion having a thermal conductivity higher than that of air is between the control circuit and the bottom cover.
    Type: Grant
    Filed: March 5, 2024
    Date of Patent: March 25, 2025
    Assignee: MAXELL, LTD.
    Inventors: Go Horiuchi, Akio Misawa
  • Patent number: 12259757
    Abstract: A mobile terminal device including a camera for imaging the person to be photographed and a flexible and foldable display is provided with a line of sight detection unit for detecting a line of sight of the person to be photographed. Here, when photographing in the state where the mobile terminal device is folded, the mobile terminal device displays a mirror image on the display part on the side of the person to be photographed when it has been identified that the line of sight direction of the person to be photographed detected by the line of sight detection unit is directed to the display part on the side of the person to be photographed, the camera, or at least the mobile terminal device itself.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: March 25, 2025
    Assignee: MAXELL, LTD.
    Inventors: Hitoshi Akiyama, Yoshinori Okada
  • Patent number: 12261839
    Abstract: A user authentication system includes a main body device and an authentication device. The main body device has an authentication code transmission requesting unit, a verification unit, and an unlocking unit. The authentication code transmission requesting unit generates an authentication code transmission request including a first value, and transmits the authentication code transmission request to the authentication device. The authentication device generates an authentication code in response to the first value in the authentication code transmission request, and transmits the authentication code to the main body device. The verification unit determines that authentication is successful if the authentication code is received from the authentication device. When the verification unit determines that the authentication is successful, the unlocking unit enables a predetermined functionality.
    Type: Grant
    Filed: May 1, 2023
    Date of Patent: March 25, 2025
    Assignee: MAXELL, LTD.
    Inventors: Yasunobu Hashimoto, Osamu Kawamae, Kazuhiko Yoshizawa, Nobuo Masuoka, Hiroshi Shimizu