Patents by Inventor Toshimasa Takagi

Toshimasa Takagi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230128234
    Abstract: A vehicle control device is mountable on a vehicle. The vehicle control device includes: a processor; and a memory storing instructions that, when executed by the processor, cause the vehicle control device to perform operations including: acquiring detection information obtained by detecting an obstacle around the vehicle; performing collision determination of evaluating a possibility of collision with the obstacle; generating, based on the detection information, information on an approaching object that is an obstacle approaching the vehicle and information on a detection point indicating an obstacle that does not move; estimating a position of a shielding object based on the information on the detection point; evaluating, based on the position of the shielding object and the information on the approaching object, a ghost likelihood indicating a possibility that the approaching object is a ghost; and excluding, based on the ghost likelihood, the approaching object from the collision determination.
    Type: Application
    Filed: September 21, 2022
    Publication date: April 27, 2023
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yoshimasa OKABE, Takeo TOMIDA, Toshimasa TAKAGI
  • Publication number: 20230127044
    Abstract: A vehicle control device is mountable on a vehicle. The vehicle control device includes: a processor; and a memory storing instructions that, when executed by the processor, cause the vehicle control device to perform operations. The operations includes: acquiring detection information obtained by detecting an obstacle around the vehicle; performing collision determination of evaluating a possibility of collision with the obstacle, generating, based on the detection information, information on an approaching object that is an obstacle approaching the vehicle and information on a detection point group that is a set of detection points indicating an obstacle that does not move; and excluding the approaching object from collision determination in a case in which the detection point group has a shielding effect of shielding the vehicle from the approaching object. The shielding effect is evaluated by using a gap threshold that is set based on a vehicle width.
    Type: Application
    Filed: September 20, 2022
    Publication date: April 27, 2023
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Toshimasa TAKAGI, Takeo TOMIDA, Yoshimasa OKABE
  • Publication number: 20220317292
    Abstract: A distance measurement device includes: a transmission and reception device configured to transmit a transmission wave and receive a reflected wave; a memory; and a hardware processor coupled to the memory. The hardware processor is configured to: detect a reception signal received by the transmission and reception device and obtain a reception waveform indicating a temporal change in an intensity of the reception signal; detect a feature amount of the reflected wave based on the reception waveform; calculate a distance from the distance measurement device to an object, based on the feature amount; and control a detection condition of detection of the feature amount by changing a threshold for detecting the feature amount, based on a change in the feature amount, in a case where the reflected wave arrives during a reverberation period in which reverberation of the transmission wave remains in the transmission and reception device.
    Type: Application
    Filed: March 7, 2022
    Publication date: October 6, 2022
    Inventors: Yoshimasa OKABE, Toshimasa TAKAGI, Hiroki YAMASHITA
  • Publication number: 20220308210
    Abstract: An object detection apparatus includes distance measuring devices and a hardware processor. The distance measuring devices are provided in a vehicle and emit ultrasonic waves. The distance measuring devices detect an object around the vehicle and obtain distance information indicating a distance to the detected object. The hardware processor determines a scene in which the vehicle is placed. The determination is performed on the basis of the distance information, vehicle speed information, an image of surroundings of the vehicle, and/or a location of the vehicle on a map. The hardware processor performs, on the basis of a scene determination result, setting of a high-sensitivity area where sensitivity for detecting the reflected waves is temporarily increased, a change of an emission interval of the ultrasonic waves, and/or a change of an emission sequence of the ultrasonic waves.
    Type: Application
    Filed: March 7, 2022
    Publication date: September 29, 2022
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Yoshimasa OKABE, Toshimasa TAKAGI, Hiroki YAMASHITA
  • Patent number: 9205808
    Abstract: In an intrusion detection device of the embodiment, a determining unit allows a transmission unit to stop transmitting ultrasonic waves until a level of a Doppler signal exceeds a predetermined threshold (threshold for detecting destruction of a window glass), and allows the transmission unit to transmit the ultrasonic waves when the level of the Doppler signal exceeds said threshold. Therefore, if the destruction of the window glass is not detected, it is possible to reduce power consumption through allowing the transmission unit to stop the transmission. Further, because processing for detecting intrusion is performed after the destruction of the window glass has been detected, it is possible to reduce erroneous detection of an intruder resulting from a movement of an object (e.g., falling of papers, a sunshade, or the like that is leaned against the interior wall) other than a human.
    Type: Grant
    Filed: April 2, 2012
    Date of Patent: December 8, 2015
    Assignees: PANASONIC CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ryuzo Uda, Toshimasa Takagi, Toyohiro Tani, Kazushi Goto, Tomoyuki Funayama, Takeo Endo, Masahiro Tanaka
  • Patent number: 9188671
    Abstract: In a malfunction detection mode, a controller is configured to compare an output of a phase-detector obtained when controlling to input an oscillation signal to only the phase-detector, with an output of the phase-detector obtained when controlling to input the oscillation signal to both of a transmitter and the phase-detector. If a change (difference) of signal levels of the outputs is equal to or more than a prescribed threshold, the controller determines that there is no malfunction in the transmitter and a receiver. If the change of the signal levels is less than the prescribed threshold, the controller determines that there is a malfunction in the transmitter or the receiver.
    Type: Grant
    Filed: September 24, 2012
    Date of Patent: November 17, 2015
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Toru Mugiuda, Fumihiro Kasano, Hidehiko Fujikawa, Yutaka Abe, Toshimasa Takagi, Kazushi Goto
  • Publication number: 20140241125
    Abstract: In a malfunction detection mode, a controller is configured to compare an output of a phase-detector obtained when controlling to input an oscillation signal to only the phase-detector, with an output of the phase-detector obtained when controlling to input the oscillation signal to both of a transmitter and the phase-detector. If a change (difference) of signal levels of the outputs is equal to or more than a prescribed threshold, the controller determines that there is no malfunction in the transmitter and a receiver. If the change of the signal levels is less than the prescribed threshold, the controller determines that there is a malfunction in the transmitter or the receiver.
    Type: Application
    Filed: September 24, 2012
    Publication date: August 28, 2014
    Applicant: PANASONIC CORPORATION
    Inventors: Toru Mugiuda, Fumihiro Kasano, Hidehiko Fujikawa, Yutaka Abe, Toshimasa Takagi, Kazushi Goto
  • Patent number: 8576664
    Abstract: A moving object detection system is provided with an existence detection part, an integrating part and an existence judgment part. Based on first and second detection signals, the existence detection part calculates a rotation angle of each transition factor that is obtained from the first and second detection signals and rotates around the origin in a two-dimensional coordinate system. The existence detection part is configured so that the rotation angle becomes less than 90 degrees. The integrating part integrates each rotation angle to obtain an integrated angle. The existence judgment part judges whether or not a moving object approaching or leaving a receiver of the device exists in a detection area based on the integrated angle and a threshold angle.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: November 5, 2013
    Assignee: Panasonic Corporation
    Inventors: Fumihiro Kasano, Toshimasa Takagi, Hidehiko Fujikawa, Toru Mugiuda
  • Patent number: 7746220
    Abstract: A moving object detection apparatus comprises a transmitter, a receiver, a detection portion, a binary conversion portion and a judgment portion. The transmitter emits energy waves with a first frequency to a detection area. When receiving incoming energy waves from the detection area, the receiver generates an electric signal corresponding to the incoming energy waves. The detection portion obtains a detection signal from a reference signal with the first frequency and the electric signal. The binary conversion portion compares the detection signal with a conversion threshold signal to obtain a binary signal. The judgment portion judges whether or not a moving object approaching or leaving the receiver exists in the detection area based on the binary signal.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: June 29, 2010
    Assignee: Panasonic Electric Works Co., Ltd.
    Inventors: Toshimasa Takagi, Fumihiro Kasano, Hidehiko Fujikawa
  • Publication number: 20100052972
    Abstract: A moving object detection system is provided with an existence detection part, an integrating part and an existence judgment part. Based on first and second detection signals, the existence detection part calculates a rotation angle of each transition factor that is obtained from the first and second detection signals and rotates around the origin in a two-dimensional coordinate system. The existence detection part is configured so that the rotation angle becomes less than 90 degrees. The integrating part integrates each rotation angle to obtain an integrated angle. The existence judgment part judges whether or not a moving object approaching or leaving a receiver of the device exists in a detection area based on the integrated angle and a threshold angle.
    Type: Application
    Filed: March 15, 2007
    Publication date: March 4, 2010
    Applicant: Panasonic Electric Works Co., Ltd
    Inventors: Fumihiro Kasano, Toshimasa Takagi, Hidehiko Fujikawa, Toru Mugiuda
  • Publication number: 20090016162
    Abstract: A moving object detection apparatus comprises a transmitter, a receiver, a detection portion, a binary conversion portion and a judgment portion. The transmitter emits energy waves with a first frequency to a detection area. When receiving incoming energy waves from the detection area, the receiver generates an electric signal corresponding to the incoming energy waves. The detection portion obtains a detection signal from a reference signal with the first frequency and the electric signal. The binary conversion portion compares the detection signal with a conversion threshold signal to obtain a binary signal. The judgment portion judges whether or not a moving object approaching or leaving the receiver exists in the detection area based on the binary signal.
    Type: Application
    Filed: December 29, 2006
    Publication date: January 15, 2009
    Applicant: MATSUSHITA ELECTRIC WORKS, LTD.
    Inventors: Toshimasa Takagi, Fumihiro Kasano, Hidehiko Fujikawa
  • Publication number: 20010018706
    Abstract: An information providing apparatus is realized: That is, in such a case that information is distributed/provided and this information is constituted by information formed by an information provider and also additional information such as an advertisement selected by the information provider, a use fee charged to the information provider can be reduced and/or increased based upon the additional information. Furthermore, since an information consumer refers to the additional information, a use fee charged to the information provider can be reduced and/or increased based on the additional information.
    Type: Application
    Filed: November 29, 2000
    Publication date: August 30, 2001
    Applicant: Matsushita Electric Industrial Co., Ltd.,
    Inventors: Atsushi Ando, Akino Inoue, Toshio Oka, Toshimasa Takagi