Patents by Inventor Hidekuni Yomo
Hidekuni Yomo 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).
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Patent number: 11428805Abstract: Radar transmitter includes a plurality of transmit antennas that transmit a plurality of transmission signals using a multiplexing transmission, and a transmission circuit. The transmission circuit applies phase rotation amounts corresponding to combinations of Doppler shift amounts and code sequences to the plurality of transmission signals. Each of the combinations of the Doppler shift amounts and the code sequences has at least one different from other combination. The number of multiplexes of the code sequence corresponding to at least one of the Doppler shift amounts in the combinations is different from the number of multiplexing of code sequences corresponding to the remaining Doppler shift amounts.Type: GrantFiled: June 11, 2020Date of Patent: August 30, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Takaaki Kishigami, Kenta Iwasa, Hidekuni Yomo
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Publication number: 20220163623Abstract: Each of the plurality of transmission antenna groups includes a plurality of transmission antennas that are disposed at second intervals in a first direction, and are disposed at fourth intervals each of which is an interval of an integral multiple of a third interval in a second direction. Each of the plurality of reception antenna groups includes a plurality of reception antennas that are disposed at fifth intervals in the first direction, and are disposed at sixth intervals each of which is an interval of an integral multiple of the third interval in the second direction. The difference between the second interval and the fifth interval is the first interval, and the difference between the fourth interval and the sixth interval is the third interval.Type: ApplicationFiled: February 14, 2020Publication date: May 26, 2022Inventors: Takaaki KISHIGAMI, Kenta IWASA, Hidekuni YOMO
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Publication number: 20220075023Abstract: A radar device includes a radar transmitting circuit that transmits radar signals from a transmission array antenna, and a radar receiving circuit that receives returning wave signals, where the radar signals have been reflected at a target, from a receiving array antenna. One of the transmitting array antenna and the receiving array antenna includes multiple first antennas of which phase centers are laid out along a first axis direction. The other of the transmitting array antenna and the receiving array antenna includes multiple second antennas of which phase centers are laid out at a second spacing along a second axis direction that is different from the first axis direction. The multiple first antennas include multiple antennas of which the phase centers are laid out at a first spacing, and multiple antennas of which the phase centers are laid out at a third spacing that is different from the first spacing.Type: ApplicationFiled: November 18, 2021Publication date: March 10, 2022Inventors: KENTA IWASA, HIDEKUNI YOMO, RYOSUKE SHIOZAKI
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Publication number: 20220043133Abstract: One of a transmitting array antenna and a receiving array antenna includes a first antenna group and a second antenna group. The first antenna group includes one or more first antenna elements of which the phase centers of the antenna elements are laid out at each first layout spacing following a first axis direction, and a shared antenna element. The second antenna group includes a plurality of second antenna elements and the one shared antenna element, and the phase centers of the antenna elements are laid out in two columns at each second layout spacing following a second axis direction that is different from the first axis direction. The phase centers of the antenna elements included in each of the two columns differ from each other regarding position in the second axis direction.Type: ApplicationFiled: October 21, 2021Publication date: February 10, 2022Inventors: KENTA IWASA, HIDEKUNI YOMO
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Publication number: 20220003834Abstract: This receiving array antenna includes multiple receiving antenna rows, and each of the receiving antenna rows contains a first number of antennas; of the first number of antennas contained in the receiving antenna rows, mutually adjacent antennas are arranged separated by a first interval in a first axis direction and by a second interval in a second axis direction. The transmitting array antenna includes multiple transmitting antenna rows arranged in the second axis direction at an interval that is the first number times the second interval, each of the transmitting antenna rows contains multiple antennas, and the multiple antennas contained in the transmitting antenna rows are arranged in the same position in the second axis direction and in different positions in the first axis direction. The antennas contained in the transmitting antenna rows adjacent in the second axis direction are arranged in different positions in the first axis direction.Type: ApplicationFiled: September 15, 2021Publication date: January 6, 2022Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Kenta IWASA, Takaaki KISHIGAMI, Hidekuni YOMO
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Publication number: 20220003835Abstract: Provided is a radar apparatus including: an estimation circuit; and a processing circuit. The estimation circuit outputs a plurality of pieces of data each including information in which a distance to a target and a direction to the target are estimated based on a reception signal including a reflected wave that is a radar signal reflected by the target. The processing circuit determines a range side lobe component in the target based on the estimated distance and the estimated direction of one or more pieces of data selected from the plurality of pieces of data.Type: ApplicationFiled: September 20, 2021Publication date: January 6, 2022Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kenta IWASA, Hidekuni YOMO, Tomohiro YUI
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Patent number: 11209518Abstract: A radar device includes a radar transmitting circuit that transmits radar signals from a transmission array antenna, and a radar receiving circuit that receives returning wave signals, where the radar signals have been reflected at a target, from a receiving array antenna. One of the transmitting array antenna and the receiving array antenna includes multiple first antennas of which phase centers are laid out along a first axis direction. The other of the transmitting array antenna and the receiving array antenna includes multiple second antennas of which phase centers are laid out at a second spacing along a second axis direction that is different from the first axis direction. The multiple first antennas include multiple antennas of which the phase centers are laid out at a first spacing, and multiple antennas of which the phase centers are laid out at a third spacing that is different from the first spacing.Type: GrantFiled: March 12, 2019Date of Patent: December 28, 2021Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Kenta Iwasa, Hidekuni Yomo, Ryosuke Shiozaki
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Patent number: 11187795Abstract: One of a transmitting array antenna and a receiving array antenna includes a first antenna group and a second antenna group. The first antenna group includes one or more first antenna elements of which the phase centers of the antenna elements are laid out at each first layout spacing following a first axis direction, and a shared antenna element. The second antenna group includes a plurality of second antenna elements and the one shared antenna element, and the phase centers of the antenna elements are laid out in two columns at each second layout spacing following a second axis direction that is different from the first axis direction. The phase centers of the antenna elements included in each of the two columns differ from each other regarding position in the second axis direction.Type: GrantFiled: February 28, 2019Date of Patent: November 30, 2021Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Kenta Iwasa, Hidekuni Yomo
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Publication number: 20210293921Abstract: Performance of a radar apparatus including a plurality of transceiver ICs is improved. The radar apparatus includes: a plurality of integrated circuit, which, in operation, perform signal processing on a received signal; and a signal processing circuit, which, in operation, compensates for a deviation between the plurality of integrated circuits based on a difference between leak radio wave components received by receive antennas corresponding respectively to the plurality of integrated circuits.Type: ApplicationFiled: March 22, 2021Publication date: September 23, 2021Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Hidekuni YOMO, Tomohiro YUI, Kenta IWASA, Junji SATO
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Publication number: 20210286040Abstract: Provided is an improved estimation and identification device that estimates the position of a plurality of identification targets and identifies the plurality of identification targets.Type: ApplicationFiled: June 2, 2021Publication date: September 16, 2021Inventors: Yohei MORISHITA, Junji SATO, Naganori SHIRAKATA, Hidekuni YOMO, Kenta IWASA, Kazuma NISHIYASU, Mei OKAMOTO
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Publication number: 20200393553Abstract: Radar transmitter includes a plurality of transmit antennas that transmit a plurality of transmission signals using a multiplexing transmission, and a transmission circuit. The transmission circuit applies phase rotation amounts corresponding to combinations of Doppler shift amounts and code sequences to the plurality of transmission signals. Each of the combinations of the Doppler shift amounts and the code sequences has at least one different from other combination. The number of multiplexes of the code sequence corresponding to at least one of the Doppler shift amounts in the combinations is different from the number of multiplexing of code sequences corresponding to the remaining Doppler shift amounts.Type: ApplicationFiled: June 11, 2020Publication date: December 17, 2020Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Takaaki KISHIGAMI, Kenta IWASA, Hidekuni YOMO
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Publication number: 20200292686Abstract: A radar apparatus includes an antenna configured to radiate a first electromagnetic wave in a first radiation angle range including a first direction and radiates a second electromagnetic wave in a second radiation angle range including a second direction opposite to the first direction, and a circuit configured to detect a target in each of the first direction and the second direction on the basis of a first reflected signal of the first electromagnetic wave and a second reflected signal of the second electromagnetic wave, which are received by the antenna.Type: ApplicationFiled: March 10, 2020Publication date: September 17, 2020Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tomohiro MURATA, Hidekuni YOMO
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Publication number: 20200103495Abstract: To provide an improved radar apparatus capable of expanding the aperture length per antenna element and the aperture length of the virtual reception array antenna. One of a transmission array antenna and a reception array antenna includes a first antenna element group having m-pieces of antenna elements arranged at a first interval Dt along a first axis direction (m is an integer of 1 or larger), and the other one of the transmission array antenna and the reception array antenna includes a second antenna element group having (n+1)-pieces of antenna elements arranged at a second interval Dr(n) along the first axis direction (n is an integer of 1 or larger).Type: ApplicationFiled: September 26, 2019Publication date: April 2, 2020Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kenta IWASA, Hidekuni YOMO
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Publication number: 20200103515Abstract: A radar apparatus includes a plurality of transmission antennae and a radar transmitter that transmits transmission signals by using the plurality of transmission antennae. In a virtual reception array including a plurality of virtual antennae formed of a plurality of reception antennae and the plurality of transmission antennae, disposition positions of at least two of the virtual antennae are the same as each other, and, transmission intervals of the transmission signals that are sequentially transmitted from transmission antennae corresponding to the at least two virtual antennae among the plurality of transmission antennae are an equal interval.Type: ApplicationFiled: September 26, 2019Publication date: April 2, 2020Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Takaaki KISHIGAMI, Ryosuke SHIOZAKI, Hidekuni YOMO, Kenta IWASA
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Patent number: 10578713Abstract: A processor generates first position information on a relative position between a camera and a radar, acquires, from the radar, second position information on a relative position between the radar and a reflector, the second position information being generated by using an arrival direction of the radar transmission wave, and calculates a displacement amount by comparing the first position information and the second position information with each other.Type: GrantFiled: May 26, 2016Date of Patent: March 3, 2020Assignee: Panasonic CorporationInventors: Hidekuni Yomo, Akihiko Matsuoka
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Patent number: 10551494Abstract: A road information detector acquires road information by emitting a beam via a variable directivity transmission antenna to a road sign having plural flat portions and includes a transceiver that controls the antenna to scan the beam by switching an emission angle including an azimuth angle relative to the front direction of a vehicle and receives, as reflected wave signals, waves reflected by the flat portions, a distance and reflected wave intensity detector that detects a distance between the vehicle and each of the flat portions and a reflected wave intensity of each of the reflected waves, an emission angle detector that detects the emission angle based on the reflected wave signal, and a road information analyzer that acquires the road information by generating a heat map based on the emission angles, distances, and reflected wave intensities and analyzing the heat map using a threshold value of the wave intensity.Type: GrantFiled: October 17, 2017Date of Patent: February 4, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yoshito Hirai, Tomohiro Yui, Hidekuni Yomo, Hirohito Mukai
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Publication number: 20190293753Abstract: A radar device includes a radar transmitting circuit that transmits radar signals from a transmission array antenna, and a radar receiving circuit that receives returning wave signals, where the radar signals have been reflected at a target, from a receiving array antenna. One of the transmitting array antenna and the receiving array antenna includes multiple first antennas of which phase centers are laid out along a first axis direction. The other of the transmitting array antenna and the receiving array antenna includes multiple second antennas of which phase centers are laid out at a second spacing along a second axis direction that is different from the first axis direction. The multiple first antennas include multiple antennas of which the phase centers are laid out at a first spacing, and multiple antennas of which the phase centers are laid out at a third spacing that is different from the first spacing.Type: ApplicationFiled: March 12, 2019Publication date: September 26, 2019Inventors: KENTA IWASA, HIDEKUNI YOMO, RYOSUKE SHIOZAKI
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Publication number: 20190285738Abstract: One of a transmitting array antenna and a receiving array antenna includes a first antenna group and a second antenna group. The first antenna group includes one or more first antenna elements of which the phase centers of the antenna elements are laid out at each first layout spacing following a first axis direction, and a shared antenna element. The second antenna group includes a plurality of second antenna elements and the one shared antenna element, and the phase centers of the antenna elements are laid out in two columns at each second layout spacing following a second axis direction that is different from the first axis direction. The phase centers of the antenna elements included in each of the two columns differ from each other regarding position in the second axis direction.Type: ApplicationFiled: February 28, 2019Publication date: September 19, 2019Inventors: KENTA IWASA, HIDEKUNI YOMO
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Publication number: 20190277947Abstract: A tracking apparatus includes a processor circuit that derives a center of gravity of point group data obtained from reflected waves reflected by a target reflecting radar waves, that finds a position in horizontal direction of the center of gravity, that determines a posture of the target from a distribution in at least either vertical or horizontal direction of the point group data, that, in a case where the position found and the posture determined satisfy predetermined conditions, analyzes a Doppler distribution of the target, and that assess a state of the target.Type: ApplicationFiled: February 26, 2019Publication date: September 12, 2019Inventors: Takayuki ABE, Hidekuni YOMO
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VEHICLE-MOUNTED RADAR DEVICE AND METHOD OF DETECTING AXIAL DEVIATION IN VEHICLE-MOUNTED RADAR DEVICE
Publication number: 20190101621Abstract: A vehicle-mounted radar device has: a radar transmitting circuit transmitting a radar transmission waves to be reflected at a target; a radar receiving circuit receiving the reflected waves; a radar's axial deviation detecting circuit deciding whether the radar axis of the radar device has a deviation, according to the difference between a first value (distance between the vehicle and the known still object based on a shape of the known still object) and a second value (distance between them at a time when a radar reflected wave having attenuated power of the known still object among the radar reflected waves is received); and an axial deviation notifying circuit making a notification of the axial deviation.Type: ApplicationFiled: September 25, 2018Publication date: April 4, 2019Inventors: KAZUHIRO MACHIDA, HIDEKUNI YOMO, JUNJI SATO, AKIHIKO MATSUOKA, TOMOHIRO MURATA, TAKAYUKI ABE, KENTA IWASA