# US 12,601,836 B2 · Radio-wave sensor installation assistance device, computer program, and radio-wave sensor installation position determination method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,601,836 B2 - Document ID: US12601836B2 - Status: Granted - Kind: B2 - Application number: 18/725,149 - Filed: 2022-12-06 - Published: 2025-02-20 - Granted: 2026-04-14 - Earliest claimed: 2022-01-13 - Assignees: Sumitomo Electric Industries, Ltd. - Applicants: Sumitomo Electric Industries, Ltd. - Inventors: Shigeki Umehara - Web page: https://patentgrep.com/patent/US12601836B2 ## CPC - G01S 13/91: for traffic control (G01S13/93 takes precedence) - G01S 13/931: of land vehicles - G01S 7/06: Cathode-ray tube displays {or other two dimensional or three-dimensional displays} - G01S 7/4026: {Antenna boresight} - G01S 13/89: for mapping or imaging - G08G 1/01: Detecting movement of traffic to be counted or controlled (G08G1/07 - G08G1/14 take precedence) - G01S 13/87: Combinations of radar systems, e.g. primary radar and secondary radar - G01S 2013/9316: {combined with communication equipment with other vehicles or with base stations} - G01S 2013/9322: {using additional data, e.g. driver condition, road state or weather data} - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - G08G: TRAFFIC CONTROL SYSTEMS (guiding railway traffic, ensuring the safety of railway traffic B61L; arrangement of road signs or traffic signals E01F9/00; radar or analogous systems, sonar systems, lidar systems specially adapted for traffic control G01S13/91, G01S15/88, G01S17/88; {radar or analogous systems, sonar systems, lidar systems specially adapted for anti-collision purposes G01S13/93, G01S15/93, G01S17/93}) ## Abstract A radio-wave sensor installation assistance device includes: a target position determination unit that determines a target position to be irradiated with a radio wave emitted from a radio-wave sensor, in an image including a crosswalk; a candidate position designation unit that receives designation of a candidate position to install the radio-wave sensor; and a display control unit that causes a display device to display a radio-wave irradiation range of the radio-wave sensor so as to be superimposed on the image, the radio-wave irradiation range being determined based on the target position and the candidate position. The candidate position designation unit can receive an instruction of a movement of the designated candidate position. The display control unit changes the shape of the radio-wave irradiation range according to the instructed movement of the candidate position, with the target position being fixed. ## Claims ### Claim 1 A radio-wave sensor installation assistance device, comprising: a target position determination unit configured to determine a target position to be irradiated with a radio wave emitted from a radio-wave sensor, in an image including a crosswalk; a candidate position designation unit configured to receive, from a user, designation of a candidate position that is a candidate for an installation position of the radio-wave sensor, in the image; and a display control unit configured to cause a display device to display a radio-wave irradiation range of the radio-wave sensor so as to be superimposed on the image, the radio-wave irradiation range being determined based on the determined target position and the designated candidate position, wherein the candidate position designation unit is able to receive, from the user, an instruction of a movement of the designated candidate position, and when the candidate position designation unit has received the instruction of the movement, the display control unit changes the shape of the radio-wave irradiation range according to the instructed movement of the candidate position, with the target position being fixed. ### Claim 2 (depends on 1) The radio-wave sensor installation assistance device according to claim 1, comprising an input device for designating coordinates in the image, wherein the candidate position designation unit receives a continuous change in the coordinates designated in the input device by the user, as the instruction of the movement of the candidate position, and the display control unit changes the shape of the radio-wave irradiation range according to the continuous change in the designated coordinates. ### Claim 3 (depends on 1) The radio-wave sensor installation assistance device according to claim 1, wherein the display control unit causes the display device to display a straight line or a line segment that connects the target position and the candidate position, so as to be superimposed on the image and the radio-wave irradiation range. ### Claim 4 (depends on 3) The radio-wave sensor installation assistance device according to claim 3, wherein the straight line or the line segment is an arrow directed from the candidate position to the target position. ### Claim 5 (depends on 1) The radio-wave sensor installation assistance device according to claim 1, wherein the display control unit causes the display device to display a target detection area to be set as a detection area for the radio-wave sensor to detect an object, so as to be superimposed on the image and the radio-wave irradiation range. ### Claim 6 (depends on 5) The radio-wave sensor installation assistance device according to claim 5, wherein the target detection area is divided into a plurality of partial areas, and the display control unit causes the display device to display each of the plurality of partial areas so as to be superimposed on the image and the radio-wave irradiation range. ### Claim 7 (depends on 1) The radio-wave sensor installation assistance device according to claim 1, wherein the display control unit displays a non-irradiation range in which the radio wave emitted from the radio-wave sensor is blocked by an object, so as to be superimposed on the image, and the display control unit changes the shape of the non-irradiation range, according to the instructed movement of the candidate position. ### Claim 8 (depends on 1) The radio-wave sensor installation assistance device according to claim 1, wherein the display control unit controls the display device to display a mark that indicates an evaluation result of the candidate position as an installation position of the radio-wave sensor, at the candidate position in the image. ### Claim 9 (depends on 8) The radio-wave sensor installation assistance device according to claim 8, wherein the candidate position designation unit receives, from the user, designation of an area including a plurality of candidate positions in the image, and the display control unit causes the display device to display a plurality of marks corresponding to the respective candidate positions, in the area designated by the user in the image. ### Claim 10 (depends on 8) The radio-wave sensor installation assistance device according to claim 8, wherein the display control unit causes the display device to display the mark with a color according to a rank of the candidate position. ### Claim 11 A non-transitory computer readable storage medium storing a computer program that causes a computer to assist in installation of a radio-wave sensor, the computer program causing the computer to function as: a target position determination unit configured to determine a target position to be irradiated with a radio wave emitted from a radio-wave sensor, in an image including a crosswalk; a candidate position designation unit configured to receive, from a user, designation of a candidate position that is a candidate for an installation position of the radio-wave sensor, in the image; and a display control unit configured to cause a display device to display a radio-wave irradiation range of the radio-wave sensor so as to be superimposed on the image, the radio-wave irradiation range being determined based on the determined target position and the designated candidate position, wherein the candidate position designation unit is able to receive, from the user, an instruction of a movement of the designated candidate position, and when the candidate position designation unit has received the instruction of the movement, the display control unit changes the shape of the radio-wave irradiation range according to the instructed movement of the candidate position, with the target position being fixed. ### Claim 12 A radio-wave sensor installation position determination method for determining an installation position of a radio-wave sensor by using an installation assistance device that assists in installation of the radio-wave sensor, the method comprising: in an image that is displayed on the installation assistance device and includes a crosswalk, designating a candidate position that is a candidate for an installation position of the radio-wave sensor, thereby causing the installation assistance device to display a radio-wave irradiation range of the radio-wave sensor so as to be superimposed on the image, the radio-wave irradiation range being determined based on a target position of radio-wave irradiation by the radio-wave sensor and on the designated candidate position; and instructing the installation assistance device to move the designated candidate position, thereby causing the installation assistance device to change the shape of the radio-wave irradiation range according to the instructed movement of the candidate position, with the target position being fixed.