# US 11,299,165 B2 · Evaluation device and evaluation method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,299,165 B2 - Document ID: US11299165B2 - Status: Granted - Kind: B2 - Application number: 17/254,359 - Filed: 2019-04-15 - Published: 2021-09-02 - Granted: 2022-04-12 - Earliest claimed: 2018-06-27 - Assignees: Sony Corporation - Applicants: Sony Corporation - Inventors: Shuichi Takahashi - Web page: https://patentgrep.com/patent/US11299165B2 ## CPC - A61B 5/165: {Evaluating the state of mind, e.g. depression, anxiety} - B60W 40/08: related to drivers or passengers - A61B 5/18: for vehicle drivers {or machine operators} - G08G 1/00: Traffic control systems for road vehicles (arrangement of road signs or traffic signals E01F9/00 {; automatic vehicle control B62D}) - G08G 1/09: Arrangements for giving variable traffic instructions ({railroad crossing signals B61L; reflectors E01F, G08B}; indicating arrangements for variable information by selection or combination of individual elements G09F9/00) - G08G 1/16: Anti-collision systems (road vehicle drive control systems for predicting or avoiding probable or impending collision otherwise than by control of a particular sub-unit B60W30/08) - A61B 5/024: Measuring pulse rate or heart rate - A61B 5/6893: {Cars} - A61B 5/7275: {Determining trends in physiological measurement data; Predicting development of a medical condition based on physiological measurements, e.g. determining a risk factor} - A61B 5/746: {Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms} - B60W 2040/0818: {Inactivity or incapacity of driver} - B60W 2040/0872: {Driver physiology} - B60W 2540/22: Psychological state; Stress level or workload - B60W 2540/229: Attention level, e.g. attentive to driving, reading or sleeping - B60W 2556/55: using telemetry - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - B60W: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - 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 To enhance safety in vehicle operation. An evaluation device according to the present technology includes a communication unit capable of communicating with a vehicle, and a control unit that performs an evaluation of a state related to sensing of danger by a user on the basis of an electroencephalogram of the user detected by an electroencephalogram sensor, and causes the communication unit to transmit evaluation result information to the vehicle. That is, for example, on the basis of an electroencephalogram of a user such as a driver of a vehicle, evaluation of a state related to sensing of danger such as whether or not the user has sensed a danger is performed, and evaluation result information is transmitted to the vehicle side. ## Claims ### Claim 1 An evaluation device, comprising: at least one communication unit configured to communicate with a vehicle; and a control unit configured to: perform an evaluation of a state related to sensing of danger by a user of the vehicle, wherein the evaluation of the state is performed based on an electroencephalogram of the user detected by an electroencephalogram sensor; and cause the at least one communication unit to: transmit, to the vehicle, result information representing the evaluation of the state, and transmit, to an external device different from the vehicle and the evaluation device, information representing a current position of the user, information regarding the electroencephalogram detected by the electroencephalogram sensor, and motion information of the user detected by a motion sensor. ### Claim 2 (depends on 1) The evaluation device according to claim 1, wherein the control unit is further configured to perform the evaluation of the state related to sensing of danger based on at least one of a magnitude of amplitude of a beta wave in the electroencephalogram, a power level of the beta wave, or a phase of the beta wave. ### Claim 3 (depends on 1) The evaluation device according to claim 1, wherein the control unit is further configured to perform the evaluation of the state related to sensing of danger based on a relative comparison between a beta wave and a component other than the beta wave in the electroencephalogram. ### Claim 4 (depends on 1) The evaluation device according to claim 1, wherein the control unit is further configured to: record, into a storage unit, the electroencephalogram immediately before an avoidance behavior of the user; perform, when the current position is a position where the avoidance behavior has been taken in past, the evaluation of the state related to sensing of danger based on a result of matching between a current electroencephalogram detected by the electroencephalogram sensor and the recorded electroencephalogram. ### Claim 5 (depends on 1) The evaluation device according to claim 1 wherein the control unit is further configured to: determine whether an amplitude difference between an alpha wave and a beta wave in the electroencephalogram exceeds a predetermined threshold; and cause, based on the determination that the amplitude difference between the alpha wave and the beta wave in the electroencephalogram exceeds the predetermined threshold, the at least one communication unit to transmit the current position information, the electroencephalogram information, and the motion information to the external device. ### Claim 6 (depends on 1) The evaluation device according to claim 1, wherein the control unit is further configured to: extract a feature amount of the electroencephalogram; and cause the at least one communication unit to transmit information regarding the extracted feature amount. ### Claim 7 (depends on 1) The evaluation device according to claim 1, wherein the control unit is further configured to cause the at least one communication unit to transmit, to the external device, vehicle information acquired from the vehicle along with the current position information, the electroencephalogram information, and the motion information. ### Claim 8 (depends on 1) The evaluation device according to claim 1, wherein the control unit is further configured to: determine, in the evaluation of the state related to sensing of danger, whether the user has sensed the danger, and cause, based on the determination that the user has sensed the danger, the at least one communication unit to transmit, to the external device, the motion information during a certain period from a timing of the determination that the user has sensed the danger. ### Claim 9 An evaluation information processing method, comprising: acquiring, from an electroencephalogram sensor, electroencephalogram information of a user of a vehicle; acquiring, from a position sensor, current position information representing a current position of the user; acquiring, from a motion sensor, motion information of the user; determining, in an evaluation of state related to sensing of danger by the user, whether the user has sensed the danger based on the electroencephalogram information; and controlling, based on the determination that the user has sensed the danger, at least one communication unit to transmit the electroencephalogram information, the current position information, and the motion information to an external device different from the vehicle.