# US 12,001,606 B2 · Control device comprising detection unit configured to perform detection of brain wave and control method therefor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,001,606 B2 - Document ID: US12001606B2 - Status: Granted - Kind: B2 - Application number: 17/919,375 - Filed: 2021-04-09 - Published: 2023-05-25 - Granted: 2024-06-04 - Earliest claimed: 2020-04-23 - Assignees: Sony Group Corporation - Applicants: Sony Group Corporation - Inventors: Susumu Takatsuka; Hiroki Tetsukawa; Itaru Shimizu - Web page: https://patentgrep.com/patent/US12001606B2 ## CPC - G06F 3/015: {Input arrangements based on nervous system activity detection, e.g. brain waves [EEG] detection, electromyograms [EMG] detection, electrodermal response detection} - A61B 5/0075: {by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy (A61B5/0071 takes precedence)} - A61B 5/117: Identification of persons (methods or arrangements for recognising patterns, e.g. fingerprints, G06F18/00, G06V40/00; identification of persons by analysing their voice or speech G10L17/00) - A61B 5/14553: {specially adapted for cerebral tissue} - A61B 5/378: Visual stimuli - A61B 5/395: Details of stimulation, e.g. nerve stimulation to elicit EMG response - A61B 5/4064: {Evaluating the brain (for intracranial pressure A61B5/031; for cerebral blood gases A61B5/14553; using EEG A61B5/369)} - A61B 5/6803: {Head-worn items, e.g. helmets, masks, headphones or goggles} - A61B 5/6815: {Ear} - A61B 5/6898: {Portable consumer electronic devices, e.g. music players, telephones, tablet computers} - G06F 3/012: {Head tracking input arrangements} - G06F 3/016: {Input arrangements with force or tactile feedback as computer generated output to the user} - A61B 5/372: Analysis of electroencephalograms - A61B 5/38: Acoustic or auditory stimuli - A61B 5/381: Olfactory or gustatory stimuli - A61B 5/397: Analysis of electromyograms - A61B 2560/0406: specially shaped apparatus housings - A61B 2562/0209: Special features of electrodes classified in A61B5/24, A61B5/25, A61B5/283, A61B5/291, A61B5/296, A61B5/053 - A61B 2562/0233: Special features of optical sensors or probes classified in A61B5/00 - G06F 21/32: using biometric data, e.g. fingerprints, iris scans or voiceprints - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract The present technology relates to a control device and a control method capable of providing a more convenient electroencephalogram input user interface. Provided is a control device including a detection unit configured to perform detection of a brain wave included in a measured biometric signal of a user and detection of a user action based on information other than the brain wave included in the biometric signal, and a processing unit configured to perform a predetermined process based on the brain wave in a case where the user action is a predetermined action. For example, the present technology can be applied to a measurement device capable of measuring a brain wave signal. ## Claims ### Claim 1 A control device, comprising: a detection unit configured to: perform detection of a brain wave included in a measured biometric signal of a user and detection of a user action based on information other than the brain wave included in the measured biometric signal, wherein the information other than the brain wave includes a myoelectric signal; detect the user action based on the myoelectric signal measured from the user; and a processing unit configured to perform a predetermined process based on the brain wave in a case where the user action is a predetermined action, wherein the control device has a first mode in which the myoelectric signal is measured and a second mode in which a brain wave signal is measured, and the control device is configured to set a time resolution and an amplification factor of a signal amplifier at a time of reading a signal in the first mode to be lower than a time resolution and an amplification factor of the signal amplifier at a time of reading a signal in the second mode. ### Claim 2 (depends on 1) The control device according to claim 1, wherein the predetermined action is a trigger action set according to an application using the brain wave. ### Claim 3 (depends on 2) The control device according to claim 2, wherein in a case where the trigger action is detected as the user action, the processing unit is configured to perform a matching process between a first brain wave signal measured from the user and a second brain wave signal measured from the user at timing different from timing of the first brain wave signal. ### Claim 4 (depends on 1) The control device according to claim 1, wherein the predetermined action is a trigger action set for an application using the brain wave. ### Claim 5 (depends on 4) The control device according to claim 4, wherein the application is a personal authentication application using the brain wave, and in a case where the trigger action is detected as the user action, the processing unit is further configured to perform a matching process between a first brain wave signal measured from the user and a second brain wave signal measured from the user at timing different from timing of the first brain wave signal. ### Claim 6 (depends on 5) The control device according to claim 5, wherein the first brain wave signal and the second brain wave signal are measured according to an instruction. ### Claim 7 (depends on 5) The control device according to claim 5, wherein the first brain wave signal and the second brain wave signal are event-related potentials. ### Claim 8 (depends on 4) The control device according to claim 4, wherein the application is a search application using the brain wave, and each of a first brain wave signal measured from the user and a second brain wave signal, measured from the user at timing different from timing of the first brain wave signal, include the brain wave signal regarding a thought of the user with respect to an object. ### Claim 9 (depends on 8) The control device according to claim 8, wherein the object includes information allowed to be presented to a terminal device used by the user, and provided by a specific medium. ### Claim 10 (depends on 2) The control device according to claim 2, wherein the processing unit is further configured to: perform a matching process between a first myoelectric signal measured from the user and a second myoelectric signal measured from the user at timing different from timing of the first myoelectric signal, and determine whether the trigger action is detected based on a result of the matching process. ### Claim 11 (depends on 10) The control device according to claim 10, wherein the first myoelectric signal is measured and registered in advance for each application, and the second myoelectric signal is measured at any timing when an application is activated. ### Claim 12 (depends on 2) The control device according to claim 2, wherein the trigger action includes a movement of each part of a head of the user or a combination of the movement of each part of the head and a movement of the head. ### Claim 13 (depends on 12) The control device according to claim 12, wherein the trigger action is detected by a signal from an electrode provided to contact the head of the user or a signal from a sensor unit. ### Claim 14 (depends on 1) The control device according to claim 1, wherein the brain wave signal and the myoelectric signal are each measured by a signal from an electrode provided to contact a head of the user. ### Claim 15 (depends on 1) The control device according to claim 1, wherein the control device is configured as a measurement device that measures the brain wave signal and the myoelectric signal, a terminal device connected to the measurement device in a wired or wireless manner, or a server connected to the measurement device via a network. ### Claim 16 A control method, comprising: a control device: detecting a brain wave included in a measured biometric signal of a user and a user action, based on information other than the brain wave included in the measured biometric signal, wherein the information other than the brain wave includes a myoelectric signal; detecting the user action based on the myoelectric signal measured from the user; performing a predetermined process based on the brain wave in a case where the user action is a predetermined action; and setting a time resolution and an amplification factor of a signal amplifier at a time of reading a signal in a first mode to be lower than a time resolution and an amplification factor of the signal amplifier at a time of reading a signal in a second mode, wherein the myoelectric signal is measured the first mode and a brain wave signal is measured in the second mode. ### Claim 17 A control device, comprising: a detection unit configured to: perform detection of a brain wave included in a measured biometric signal of a user and detection of a user action based on information other than the brain wave included in the measured biometric signal, wherein the information other than the brain wave includes a myoelectric signal; and detect the user action based on the myoelectric signal measured from the user; and a processing unit configured to: perform a predetermined process based on the brain wave in a case where the user action is a predetermined action, wherein the predetermined action is a trigger action set according to an application using the brain wave; perform a matching process between a first myoelectric signal measured from the user and a second myoelectric signal measured from the user at timing different from timing of the first myoelectric signal; and determine whether the trigger action is detected based on a result of the matching process.