Patents Assigned to Hitachi Kokusai Electric Inc.
  • Patent number: 10277805
    Abstract: In a monitoring system, each individual camera device divides image data acquired by an image sensor unit into a plurality of areas, and detects video-image abnormality from an average luminance signal value in each area or from a change thereof. The camera device that has detected video abnormality transmits video-image abnormality detection information to a server. In the plurality of areas, it is possible to use different detection algorithms such as a first algorithm in which it is determined that an abnormality has occurred when there is no change in the average luminance value, a second algorithm in which it is determined that an abnormality has occurred when there is a change in the average luminance value, and a third algorithm for observing a change in the video captured while a change is made to an aperture, exposure time, or the like.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: April 30, 2019
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Hirofumi Emi, Tomohiro Aikawa, Masaru Fujii, Naoki Saotome, Kei Takahashi, Shigeyuki Murata, Atsushi Honda
  • Patent number: 10250205
    Abstract: An outphasing power amplifying device includes a switching signal generating circuit configured to generate a switching pulse signal for switching a class-D power amplifier from two types of sinusoidal wave generated based on amplitude and phase of a modulated wave to be transmitted. The switching signal generating circuit includes: a sin calculation unit and a cos calculation unit for converting phase information of the two types of sinusoidal wave into a quadrature format; a DA converter for converting the quadrature-format phase information; a first filter for removing an aliasing component from the analogue signal; an analogue quadrature modulator for generating a sinusoidal wave from the analogue signals by using a local signal; a second filter for allowing a radio frequency and a component in the vicinity thereof to pass therethrough; and a comparator for converting the sinusoidal wave into a switching pulse signal by comparison with a reference voltage.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: April 2, 2019
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Kenya Tomaru, Manabu Nakamura
  • Patent number: 10243525
    Abstract: A power amplifier includes a carrier amplifier that operates from when an input signal is small, a peak amplifier that starts to operate when the input signal becomes large, a phase adjusting circuit that adjusts phases of an output of the carrier amplifier and an output of the peak amplifier, an impedance transforming line that transforms a load of the carrier amplifier when the input signal is small, and has a characteristic impedance close to an optimum load impedance of the carrier amplifier, and a circuit that is arranged between the output of the carrier amplifier and the impedance transforming line and reduces an output capacitance of the carrier amplifier.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: March 26, 2019
    Assignee: Hitachi Kokusai Electric Inc.
    Inventor: Toshiyuki Nagasaku
  • Publication number: 20190085455
    Abstract: A substrate processing apparatus includes a heat storage part on which a substrate is mounted, a tray including the heat storage part, a substrate transfer part including a rotary shaft and a rotating plate supported by the rotary shaft and being configured such that the tray can be mounted on the rotating plate, a plurality of bases arranged circumferentially around the rotary shaft; and a heater provided for each of the bases.
    Type: Application
    Filed: January 9, 2018
    Publication date: March 21, 2019
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Teruo YOSHINO, Naofumi OHASHI, Tadashi TAKASAKI, Shun MATSUI
  • Publication number: 20190089565
    Abstract: A peak power reduction device includes a unit for dividing digital information to be transmitted into a plurality of streams; a unit for selecting the modulation level of the streams and distribution of transmission power according to a transmission state; a unit for performing singular-value decomposition on the transmission path characteristic of a streams and precoding the resultant data by a right singular value matrix; a unit for performing complex mapping on the subcarrier of a stream according to the modulation level; a unit for converting a complex mapping signal into a time domain signal; a first unit for storing a conversion result as a time domain signal; a second unit for calculating a peak time signal exceeding a predetermined threshold value from a peak value, if any exists, that exceeds a prescribed threshold value for the amplitude of the time domain signal.
    Type: Application
    Filed: June 7, 2016
    Publication date: March 21, 2019
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Tatsuhiro NAKADA, Hiroki KATO, Kei ITO, Satoru EJIMA
  • Publication number: 20190081014
    Abstract: A method of manufacturing a high quality a semiconductor device, includes loading a substrate comprising a conductive film and an insulating film into a process chamber. The insulating film is formed around the conductive film to expose the conductive film. A process gas, which comprises a component that reacts with a desorbed gas generated from the insulating film is supplied into the process chamber which causes a protective film to be selectively formed on the insulating film.
    Type: Application
    Filed: January 26, 2018
    Publication date: March 14, 2019
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Hideharu ITATANI, Naofumi OHASHI, Toshiyuki KIKUCHI
  • Publication number: 20190078882
    Abstract: In a technology for detecting the water level of a river by image processing, after an angle of view setting process, an area setting unit sets an arbitrarily defined certain range from the center of the set angle of view as a processing area. Then, a flow processing unit calculates, from the processing area, motion information and a flow direction, computes a flow density, determines a region having a high density and similar flow directions to be a flow of water currents, and deletes flows in the other directions. Thereafter, a graph-cut processing unit creates an object seed and a background seed for graph-cutting, and detects a water surface by automatic graph-cutting. After an edge extraction processing unit has performed edge extraction, a water level calculation processing unit determines an edge that satisfies a predetermined condition to be a water level line, and outputs a water level measurement result.
    Type: Application
    Filed: March 4, 2016
    Publication date: March 14, 2019
    Applicant: Hitachi Kokusai Electric Inc.
    Inventor: YOSHIKI AGATA
  • Patent number: 10224227
    Abstract: Described herein is a technique capable of improving the uniformity of device characteristics. According to the technique described herein, there is provided a method of processing a substrate, including: (a) loading a substrate having a patterned hard mask into a process chamber; (b) supplying a metal-containing gas at a first pressure into the process chamber; and (c) supplying an inert gas into the process chamber and storing the metal-containing gas at a second pressure lower than the first pressure after performing (b).
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: March 5, 2019
    Assignee: Hitachi Kokusai Electric, Inc.
    Inventors: Naofumi Ohashi, Satoshi Takano, Kazuyuki Toyoda, Shun Matsui
  • Patent number: 10225490
    Abstract: A mobile studio and a method for using the mobile studio are disclosed. The mobile studio is provided with lower and upper frameworks. A lower framework includes a planar upper-tier frame and a planar lower-tier frame, the planar upper-tier frame has a connecting tab to secure the mobile studio to a vehicle. An upper framework is secured to the lower framework. The upper framework supports at least a production area. Preferably, the upper framework supports a storage area including a rack assembly. Preferably, the rack assembly faces a rear door, at least part of the rack assembly having a sound insulating material. The method for using the mobile studio is provided with securing a bracket onto the chassis of the vehicle, loading the mobile studio onto the bracket, and securing the mobile studio to the vehicle using the connecting tab.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: March 5, 2019
    Assignee: HITACHI KOKUSAI ELECTRIC, INC.
    Inventors: Ahmet Üstün, Kiyoshi Funada, Shinichi Miyazaki
  • Publication number: 20190065859
    Abstract: A system detects a candidate for an object which intrudes based on images of a visible light camera and a far-infrared camera that monitor the sea, further derives a size, a velocity, an intrusion direction, and linearity, and identifies the object to some extent. Also, the system distinguishes between a boat, a human, and a floating matter based on the luminances or the like in a far-infrared image. In addition, the system observes the periodicity of normal waves on the sea surface at a location without any object by performing the Fourier transform on the image. The accuracy of identification of an object is improved based on the correlation between the motion of waves in a normal state and the motion of the object.
    Type: Application
    Filed: December 9, 2016
    Publication date: February 28, 2019
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Junichi TOGASHI, Wataru ITO, Masaya OKADA, Kazunari IWANAGA, Miyuki FUJII
  • Patent number: 10211110
    Abstract: A method of manufacturing a semiconductor device includes supplying an inert gas into a process chamber; exhausting an internal atmosphere of the process chamber from an exhaust part; acquiring first data serving as reference data on a relationship between a flow rate of the inert gas and a pressure in one of the process chamber or the exhaust part; processing a substrate accommodated in the process chamber by supplying a processing gas into the process chamber; and adjusting exhaust characteristics by adjusting a valve opening degree of an exhaust regulating part installed in the exhaust part.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: February 19, 2019
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Tsukasa Kamakura, Kazuhide Asai
  • Patent number: 10212719
    Abstract: A communication timing control method for a communication service system provided with wireless communication devices, a wireless network, and an upper server groups the wireless communication devices using device information including characteristics of a service provided to the wireless communication devices entering the communication service system via the wireless network, characteristics of communication data handled in an execution application for receiving the provided service, and transfer characteristics of the wireless communication devices receiving the provided service. Next, a group-specific communication timing is determined for the grouped wireless communication devices. Next, communication is performed on the basis of the determined communication timing.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: February 19, 2019
    Assignee: Hitachi Kokusai Electric Inc.
    Inventor: Takahito Ishii
  • Patent number: 10199994
    Abstract: A Doherty amplifier used in a Z ohm based system is provided with a carrier amplifier, a peak amplifier, and an impedance transforming line for transforming the load of the carrier amplifier when an input signal is small. The impedance transforming line has a characteristic impedance lower than Z ohms and equal to the optimum load impedance of the carrier amplifier. The load of the Doherty amplifier is lower than Z ohms. A power amplifier that obtains large output power by combining output powers from a plurality of Doherty amplifiers by a power coupling circuit is constructed.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: February 5, 2019
    Assignee: Hitachi Kokusai Electric Inc.
    Inventor: Toshiyuki Nagasaku
  • Patent number: 10198802
    Abstract: Provided is a monitoring system, comprising a imaging-side device, and a matching-side device which receives image data from the imaging-side device and matches the image data. The imaging-side device wirelessly transmits, to the matching-side device, feature value data which denotes feature of an image subject. Upon receiving the feature value data, and on the basis of the result of a comparison between the feature value data and feature value reference data, the matching-side device wirelessly transmits image data request information to the imaging-side device. Upon receiving the image data request information, the imaging-side device wirelessly transmits image data to the matching-side device.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: February 5, 2019
    Assignee: Hitachi Kokusai Electric Inc.
    Inventor: Tomoki Matsukawa
  • Patent number: 10199219
    Abstract: There is provided a method of manufacturing a semiconductor device, which includes: forming a first seed layer containing silicon and germanium on a substrate by performing, a predetermined number of times, a cycle which includes supplying a first process gas containing silicon or germanium and containing a halogen element to the substrate, supplying a second process gas containing silicon and not containing a halogen element to the substrate, and supplying a third process gas containing germanium and not containing a halogen element to the substrate; and forming a germanium-containing film on the first seed layer by supplying a fourth process gas containing germanium and not containing a halogen element to the substrate.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: February 5, 2019
    Assignee: Hitachi Kokusai Electric, Inc.
    Inventors: Satoshi Shimamoto, Yoshiro Hirose, Hajime Karasawa, Ryota Horiike, Naoharu Nakaiso, Yoshitomo Hashimoto
  • Publication number: 20190037167
    Abstract: In a video signal transmission device, a camera control device includes; a compression unit for compressing a return video signal; a compression/expansion unit for compressing/expanding a prompter video signal; a frame synthesis unit for synthesizing the video signals; an encoding unit for encoding the synthesized video signal; and a modulation unit for modulating the encoded video signal and transmitting the modulated video signal to the camera adaptor. A camera adaptor includes; a demodulation unit for demodulating the video signal from the camera control device; a decoder unit for decoding the demodulated video signal; an expansion unit for separating one video signal from the decoded video signal, expanding the video signal, and, restoring the video signal to the return video signal; and an expansion/compression unit for separating one video signal from the decoded video signal, compressing/expanding the video signal, and restoring the video signal to the prompter video signal.
    Type: Application
    Filed: February 7, 2017
    Publication date: January 31, 2019
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventor: AKIHIRO KATO
  • Publication number: 20190024231
    Abstract: Embodiments of the invention relate to a substrate processing apparatus. In one embodiment, a substrate processing apparatus includes a plurality of process units. The process unit includes a process chamber for processing a substrate, an exhaust conduit connected to the process chamber and an exhaust pump arranged in the path of the exhaust conduit. The substrate processing apparatus further includes a connecting conduit connected to the exhaust conduits of the process units in the upstream of the exhaust pump and a switching unit which switches an exhaust path of the process chamber to the other exhaust pump in the other process unit via the connecting conduit.
    Type: Application
    Filed: September 24, 2018
    Publication date: January 24, 2019
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventor: Atsushi SANO
  • Publication number: 20190024232
    Abstract: To reduce a temperature deviation on a surface of a substrate and shorten a temperature recovery time on the surface of the substrate, a substrate processing apparatus is provided. The substrate processing apparatus includes a substrate retainer configured to accommodate a plurality of substrates and heat insulating plates; a reaction tube within the substrate retainer; and a heating mechanism configured to heat the plurality of substrates, wherein the substrate retainer includes a substrate processing region where the plurality of substrates are accommodated and a heat insulating plate region where the heat insulating plates are accommodated. A reflectivity of each of the first heat insulating plates is accommodated in an upper layer portion of the heat insulating plate region and is higher than a reflectivity of each of the second heat insulating plates accommodated in a region other than the upper layer portion of the heat insulating plate region.
    Type: Application
    Filed: July 13, 2018
    Publication date: January 24, 2019
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Tetsuya KOSUGI, Hitoshi MURATA, Shingo NOHARA, Atsushi HIRANO
  • Publication number: 20190025799
    Abstract: There is provided a substrate processing system, including: a plurality of substrate processing apparatuses; a first control part installed in each of the plurality of substrate processing apparatuses and configured to transmit a first apparatus data from each of the plurality of substrate processing apparatuses; a second control part configured to receive the first apparatus data from each of the plurality of substrate processing apparatuses, generate a priority data of each of the plurality of substrate processing apparatuses based on the first apparatus data, and transmit the priority data to the first control part; and a display part configured to display the priority data thereon.
    Type: Application
    Filed: September 18, 2017
    Publication date: January 24, 2019
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Masanori NAKAYAMA, Tsukasa KAMAKURA
  • Publication number: 20190020815
    Abstract: A monitoring system includes an imaging device, a recording device and a monitoring device. The imaging device is configured to image a monitoring target. The recording device is configured to stores image data captured by the imaging device. The monitoring device is configured to generate a composite image data by combining the image data captured by the imaging device and an image data, having the same view angle as that of the captured image data, read out from the recording device and to generate an edge cutout rectangle image data by connecting luminance change points exceeding a predetermined threshold value, starting from a predetermined point in the composite image data.
    Type: Application
    Filed: December 15, 2016
    Publication date: January 17, 2019
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventor: KAZUHIRO TODA