WO2022195806A1 - 認証管理装置、認証方法及び記録媒体 - Google Patents
認証管理装置、認証方法及び記録媒体 Download PDFInfo
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- WO2022195806A1 WO2022195806A1 PCT/JP2021/011098 JP2021011098W WO2022195806A1 WO 2022195806 A1 WO2022195806 A1 WO 2022195806A1 JP 2021011098 W JP2021011098 W JP 2021011098W WO 2022195806 A1 WO2022195806 A1 WO 2022195806A1
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- authentication
- earphone
- ear
- user
- result
- Prior art date
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- 238000012360 testing method Methods 0.000 claims description 8
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- 238000012545 processing Methods 0.000 description 35
- 230000006870 function Effects 0.000 description 20
- 230000001133 acceleration Effects 0.000 description 19
- 238000010586 diagram Methods 0.000 description 16
- 238000012790 confirmation Methods 0.000 description 11
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1016—Earpieces of the intra-aural type
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
Definitions
- This disclosure relates to an authentication management device, an authentication method, and a recording medium.
- Patent Document 1 an invention in which earphones are operated in three modes of a first operation mode, a second operation mode, and a third operation mode in order to reduce power consumption in a wearable device that performs biometric authentication based on acoustic characteristics. is described.
- Patent Document 1 does not disclose a method for controlling the authentication state.
- the purpose of this disclosure is to provide an authentication management device, an authentication method, and a recording medium that solve the above problems.
- One aspect of this disclosure is authentication result acquisition means for acquiring a user authentication result by ear acoustic authentication in an earphone, storage means for storing the authentication result, and after acquiring the authentication result, based on a detection result of a proximity sensor.
- determination result acquiring means for acquiring a wearing determination result indicating whether or not the earphone is worn in the user's ear; and when the wearing determination result indicates that the earphone is not worn in the ear, and a control means for updating the authentication result stored in the storage means.
- FIG. 2 is a block diagram showing the hardware configuration of the information communication device 1 according to the first embodiment
- FIG. 2 is a block diagram showing the hardware configuration of the earphone 2 according to the first embodiment
- FIG. 2 is a block diagram showing the hardware configuration of earphone control device 20 in the first embodiment
- FIG. 3 is a functional block diagram of the information communication device 1, earphone control device 20R, and earphone control device 20L in the first embodiment
- FIG. It is a flow chart which shows a flow of processing of authentication system S in a 1st embodiment. It is a flow chart which shows a flow of processing of authentication system S in a 2nd embodiment.
- FIG. 20 is a block diagram showing the hardware configuration of earphones 2D in the fifth embodiment;
- FIG. 20 is a block diagram showing the hardware configuration of an earphone control device 20D according to the fifth embodiment;
- FIG. FIG. 14 is a flow chart for setting a monitor cycle in the fifth embodiment;
- FIG. It is a graph which shows the time transition of the sensor information in 5th Embodiment. It is a figure which shows the minimum structure of the authentication system S in this disclosure.
- 2 is a flow chart showing the flow of processing in a minimal configuration embodiment of an authentication system S in this disclosure.
- FIG. 1 is a diagram showing a configuration example of an authentication system S according to the first embodiment.
- the authentication system S includes an information communication device 1, a right earphone 2R and a left earphone 2L.
- the user H wears the right earphone 2R and the left earphone 2L on his ear.
- a user H uses the information communication device 1 .
- the information communication device 1 is an electronic device having a communication function.
- the information communication device 1 may be, for example, a smart phone, a tablet computer, a wristwatch-type mobile terminal, or a personal computer (PC).
- the right earphone 2R and the left earphone 2L are collectively referred to as the earphone 2 unless otherwise specified.
- music is played back by the information communication device 1 and the user H is listening to the music using the earphone 2 .
- Information communication device 1 and earphone 2 are connected to each other by wireless communication.
- the earphone 2 may be connected to the information communication device 1 by wire.
- the information communication device 1 and the earphone 2 may be configured as an integrated device, or the authentication system S may further include another device.
- "sound" such as sound wave and voice includes non-audible sound whose frequency or sound pressure level is outside the audible range.
- the information communication device 1 is communicatively connected to the earphone 2.
- the information communication device 1 controls the operation of the earphone 2, transmits audio data for generating sound waves emitted from the earphone 2, receives audio data obtained from the sound waves received by the earphone 2, and the like. Specifically, when the user H listens to music using the earphone 2 , the information communication device 1 transmits compressed music data to the earphone 2 .
- the information communication device 1 may transmit voice data of business instructions to the earphone 2 .
- the earphone 2 may transmit voice data of user H's speech to the information communication device 1 .
- the information communication device 1 or the earphone 2 may have an otoacoustic authentication function using the sound waves received by the earphone 2 .
- FIG. 2 is a block diagram showing the hardware configuration of the information communication device 1 according to the first embodiment.
- the information communication device 1 includes a central processing unit (CPU) 101, a random access memory (RAM) 102, a read only memory (ROM) 103, and a hard disk drive (HDD). ) 104 .
- CPU central processing unit
- RAM random access memory
- ROM read only memory
- HDD hard disk drive
- the information communication device 1 also includes a communication interface (Interface: IF) 105 , an input device 106 and an output device 107 .
- IF communication interface
- the CPU 101, RAM 102, ROM 103, HDD 104, communication IF 105, input device 106 and output device 107 are connected to each other via buses, wiring, driving devices, etc. not shown in FIG.
- the CPU 101 performs predetermined calculations according to programs stored in the ROM 103, HDD 104, and the like.
- the CPU 101 is a processing device that also has a function of controlling each part of the information communication device 1 .
- RAM 102 is configured from a volatile storage medium. RAM 102 provides a temporary memory area. The temporary memory area is necessary for the CPU 101 to operate.
- the ROM 103 is composed of a non-volatile storage medium.
- the ROM 103 stores necessary information such as programs used for the operation of the information communication device 1 .
- the HDD 104 is a storage device that is composed of a non-volatile storage medium and temporarily stores data to be transmitted/received to/from the earphone 2, stores an operation program for the information communication device 1, and the like.
- the HDD 104 may be a solid state drive (SSD) instead of an HDD. If the information communication device 1 is a smart phone or a wristwatch-type mobile terminal, the information communication device 1 does not have to include the HDD 104 .
- the communication IF 105 is a communication interface that enables transmission and reception of data, control information, etc. with other devices.
- the communication IF 105 is based on standards such as Bluetooth (registered trademark) and Wi-Fi (registered trademark).
- the input device 106 is a device used by the user H to operate the information communication device 1 .
- the input device 106 may be, for example, a touch screen panel, a keyboard, a mouse, a trackball, or a pen-type input device.
- the output device 107 is a display device used to display information, a graphical user interface (GUI) for operation input, and the like.
- the output device 107 is a liquid crystal display, an organic electroluminescence (EL) display, or the like.
- the input device 106 and the output device 107 may be integrally formed as a touch panel.
- FIG. 2 is an example. Devices other than those shown in FIG. 2 may be added, or some devices may be omitted. Also, some of the devices shown in FIG. 2 may be replaced with other devices having similar functions. Furthermore, some functions of the embodiments may be provided by other devices over a network. The functions of this embodiment may be implemented by being distributed to a plurality of devices. The hardware configuration shown in FIG. 2 can be changed as appropriate.
- FIG. 3 is a block diagram showing the hardware configuration of the earphone 2 according to the first embodiment.
- Earphone 2 includes earphone control device 20 , speaker 23 , microphone 24 and proximity sensor 25 .
- the earphone 2 is an audio device that can be worn on the ear of the user H, and is typically a device capable of wireless communication such as a wireless earphone or a wireless headset.
- the speaker 23 functions as a sound wave generator that emits sound waves toward the ear canal of the user H when worn, and is arranged on the side of the earphone 2 on which it is worn.
- the microphone 24 is arranged on the mounting surface side of the earphone 2 so as to receive sound waves echoed by the user H's external auditory canal or the like when worn.
- the proximity sensor 25 is an element that detects the degree of proximity or contact with an object.
- Proximity sensor 25 may be an infrared sensor.
- the proximity sensor 25 is composed of a photodiode or the like.
- the proximity sensor 25 functions as a wearing detector that detects infrared rays emitted from the user H when the earphone 2 is worn.
- the proximity sensor 25 is arranged on the mounting surface side of the earphone 2 .
- the earphone control device 20 controls the speaker 23 , the microphone 24 and the proximity sensor 25 and communicates with the information communication device 1 .
- FIG. 4 is a block diagram showing the hardware configuration of the earphone control device 20 according to the first embodiment.
- Earphone control device 20 includes CPU 201 , RAM 202 , ROM 203 , flash memory 204 , speaker IF 205 , microphone IF 206 , communication IF 207 , battery 208 and proximity sensor IF 209 . Note that each part of the earphone control device 20 is connected to each other via a bus, wiring, driving device, etc. (not shown).
- the CPU 201 is a computing device that performs predetermined computations according to programs stored in the ROM 203, flash memory 204, and the like.
- CPU 201 controls each part of earphone control device 20 .
- RAM 202 is configured from a volatile storage medium.
- a RAM 202 provides a temporary memory area required for the operation of the CPU 201 .
- ROM 203 is configured from a non-volatile storage medium. ROM 203 stores necessary information such as programs used for operation of earphone control device 20 .
- the flash memory 204 is a storage device made up of a non-volatile storage medium. The flash memory 204 temporarily stores data, stores programs for operating the earphone control device 20, and the like.
- the communication IF 207 is a communication interface that enables transmission and reception of data, control information, etc. with other devices.
- the communication IF 207 is based on standards such as Bluetooth (registered trademark) and Wi-Fi (registered trademark).
- the right earphone 2R and the left earphone 2L communicate with each other and with the information communication device 1 using the communication IF 207R and the communication IF 207L, respectively. It may be configured such that only one of the right earphone 2R and the left earphone 2L communicates with the information communication device 1 and the other does not communicate with the information communication device 1.
- the speaker IF 205 is an interface for driving the speaker 23.
- the speaker IF 205 includes a digital-analog conversion circuit, an amplifier, and the like.
- the speaker IF 205 converts the audio data into an analog signal and supplies it to the speaker 23 . As a result, the speaker 23 emits sound waves based on the audio data.
- a microphone IF 206 is an interface for acquiring a signal from the microphone 24 .
- Microphone IF 206 includes an analog-to-digital conversion circuit, an amplifier, and the like.
- the microphone IF 206 converts analog signals generated by sound waves received by the microphone 24 into digital signals. Thereby, the earphone control device 20 acquires audio data based on the received sound waves.
- the battery 208 supplies power necessary for operating the earphones 2 .
- Battery 208 is, for example, a secondary battery. Since the battery 208 is built into the earphone 2, the earphone 2 can operate wirelessly without a wired connection to an external power supply.
- the proximity sensor IF 209 is an interface for acquiring signals from the proximity sensor 25.
- the proximity sensor IF 209 includes an analog-to-digital conversion circuit, an amplifier, and the like.
- the proximity sensor IF 209 converts an analog signal generated by infrared rays received by the proximity sensor 25 into a digital signal.
- the earphone control device 20 acquires detection data of the user H based on the received infrared rays.
- the hardware configuration shown in FIG. 4 is an example, and devices other than these may be added, and some of the hardware shown in FIG. 4 may be provided. It doesn't have to be. Also, some devices may be replaced by other devices having similar functionality.
- the earphone 2 may further include an input device such as a button, and such an input device may receive an operation by the user H.
- the earphone 2 may further include a display for providing information to the user H, a display device such as an indicator light.
- the hardware configuration shown in FIG. 4 can be changed as appropriate.
- FIG. 5 is a functional block diagram of the information communication device 1, earphone control device 20R, and earphone control device 20L in the first embodiment.
- components suffixed with an “R” represent components of the right earbud.
- Components suffixed with “L” represent components of the left earphone 2L. If there is no “R” or “L” suffix, it means that it is not limited to the right earphone 2R and the left earphone 2L.
- the right earphone 2R and the left earphone 2L are connected to each other via the communication section 223R and the communication section 223L.
- the information communication device 1 and the left earphone 2L are connected to each other via the communication section 113 and the communication section 223L.
- a line connecting the communication unit 223R and the communication unit 223L and a line connecting the communication unit 223L and the communication unit 113 are physically connected between the right earphone 2R and the left earphone 2L and between the left earphone 2L and the information communication device 1. It indicates that there is a meaningful connection relationship. Their connection relationship may be realized not only by wireless but also by wire.
- the information communication device 1 includes a determination section 111 , a storage section 112 and a communication section 113 .
- the determination unit 111 determines whether or not the right earphone 2R is connected to the right ear of the user H based on information indicating the wearing state of the right ear of the user H and the right earphone 2R (right earphone wearing state information).
- the determination unit 111 determines whether or not the left earphone 2L is connected to the left ear of the user H based on information indicating the wearing state of the user H's left ear and the right earphone 2L (left earphone wearing state information).
- the information communication device 1 may be called an authentication management device.
- the storage unit 112 is a storage device that stores various control information and data.
- the storage unit 112 stores information indicating whether the authentication of the user H by the authentication unit 222R was successful and information indicating whether the authentication of the user H by the authentication unit 222L was successful.
- the storage unit 112 may store right earphone wearing state information and left earphone wearing state information.
- the storage unit 112 stores the determination result regarding whether the right earphone 2R is worn on the right ear of the user H (right earphone wearing state determination result) and the determination result regarding whether the left earphone 2L is worn on the left ear of the user H.
- the determination result left earphone wearing state determination result
- the storage unit 112 is at least one of the RAM 102, ROM 103 and HDD 104.
- the storage unit 112 may be an external HDD, flash memory, or the like.
- the CPU 101 loads programs stored in the ROM 103, HDD 104, etc. into the RAM 102 and executes them.
- the CPU 101 realizes the function of the storage unit 112 by controlling at least one of the RAM 102, ROM 103 and HDD 104 based on the program. Specific processing performed by each of these units will be described later.
- the communication IF 105 communicates with the earphone 2L and other devices.
- Communication unit 113 is connected to communication unit 222L.
- the communication IF 105 may acquire the authentication result by the authentication unit 222R and the authentication result by the authentication unit 222L from the left earphone 2L via the communication IF 207L. Thereby, the communication IF 105 implements the function of the communication unit 113 .
- the communication unit 113 may directly communicate with the right earphone 2R via the communication IF 207R.
- the information communication device 1 may be realized by the earphone control device 20, or may be realized by the information communication device 1 and the earphone control device 20 working together.
- Earphone control device 20 includes measurement unit 221 , authentication unit 222 and communication unit 223 .
- the CPU 201 loads programs stored in the ROM 203, the flash memory 204, etc. into the RAM 202 and executes them. Thereby, the CPU 201 implements the functions of the measurement unit 221 and the authentication unit 222 . The details of the processing of the measurement unit 221 and the authentication unit 222 will be described later.
- the communication IF 207 transmits and receives control information and data to and from the information communication device 1 .
- the right earphone 2R and the left earphone 2L are used as a pair.
- Communication IF 207R and communication IF 207L communicate with each other. Thereby, the communication IF 207 implements the function of the communication unit 223 .
- the communication unit 223R of the right earphone 2R and the communication unit 113 of the information communication device 1 are not connected in FIG. 5, they may be connected.
- the CPU 201 loads programs stored in the ROM 203, the flash memory 204, and the like into the RAM 202 and executes them, and the authentication unit 222R authenticates the user's right ear based on the authentication result of the authentication unit 222R and the authentication result of the authentication unit 222L.
- information (right ear authentication result) indicating whether or not the user's left ear has been successfully authenticated by the authentication unit 222L (left ear authentication result).
- the communication IF 207R outputs the right ear authentication result to the left earphone 2L.
- Communication IF 207R may output the right ear authentication result to information communication device 1 .
- Communication IF 207L outputs the left ear authentication result and the right ear authentication result to information communication device 1 .
- the earphone 2R and left earphone 2L may be referred to as an authentication management device.
- FIG. 6 is a flow chart showing the processing flow of the authentication system S in the first embodiment.
- step S201 ear acoustic authentication is performed on the right ear of user H by the authentication unit 222R of the right earphone 2R.
- the authentication unit 222R authenticates the user H using the CPU 201R, the RAM 202R, the ROM 203R, the flash memory 204R, the speaker IF 205, the speaker 23, and the like. In other words, the authentication unit 222 determines whether or not the user H is a registrant by ear acoustic authentication.
- ear acoustic authentication is performed by the authentication unit 222L in the left earphone 2L.
- Ear acoustic authentication is biometric authentication that verifies the acoustic characteristics of user H's ear canal.
- the speaker 23 emits test sound waves to the ear canal of the user H, and the microphone 24 receives sound waves echoed in the ear canal of the user H, so that the earphone 2 can acquire the acoustic characteristics of the ear canal of the user H.
- the authentication unit 222 determines whether or not the user H is a registrant by comparing the feature amount extracted from the acquired acoustic characteristics of the ear canal and the feature amount extracted from the acoustic characteristics of the registrant's ear canal. can do.
- a registrant is a person whose acoustic characteristics or feature amount of the ear canal is registered as a regular user of the earphone 2 .
- the acoustic characteristics of the registrant's external auditory canal are stored in advance in the storage unit 112, but the acoustic characteristics of the registrant's external auditory canal are acquired from another device such as the information communication device 1 at the time of authentication. good too.
- Acoustic characteristics acquired in otoacoustic authentication are typically acoustic characteristics resulting from resonance in the ear canal. Acoustic characteristics acquired in otoacoustic authentication may also include characteristics of acoustic characteristics resulting from reverberations in tissue around the ear canal, such as the skull.
- the test sound waves need not be directed directly into the ear canal.
- the examination sound wave may be emitted to a part of the user H's head by a bone conduction speaker.
- the communication unit 223R outputs information indicating whether or not the authentication unit 222R has successfully authenticated the user's right ear (right ear authentication result) to the left earphone 2L using the communication IF 207R.
- the communication unit 223L acquires the right ear authentication result and outputs it to the information communication device 1 using the communication IF 207L together with the left ear authentication result.
- the communication unit 223L advances the process to step S205.
- step S202 the communication unit 113 uses the communication IF 105 to acquire the right ear authentication result and the left ear authentication result.
- the storage unit 112 stores the acquired right ear authentication result and left ear authentication result.
- the storage unit 112 advances the process to step S203.
- step S203 the determination unit 111 reads the right ear authentication result and the left ear authentication result, and checks whether both the right ear authentication result and the left ear authentication result indicate that the authentication has succeeded. If both the right ear authentication result and the left ear authentication result indicate that the authentication was successful, the determination unit 111 creates information (wearing state confirmation instruction information) that instructs confirmation of the wearing state.
- the communication unit 113 uses the communication IF 105 to output the wearing state confirmation instruction information to the left earphone 2L. Communication unit 113 advances the process to step S204.
- step S201 If either the right ear authentication result or the left ear authentication result indicates that the authentication has failed, the determination unit 111 advances the process to step S201.
- step S204 the communication unit 223L outputs wearing state confirmation instruction information to the right earphone 2R.
- the communication unit 223R acquires wearing state confirmation instruction information.
- the measurement unit 221R measures the intensity of infrared rays using the proximity sensor IF 209R and the proximity sensor 25R (infrared sensor).
- the communication unit 223R outputs the right earphone wearing state information to the earphone control device 20L through the communication IF 207R.
- the communication unit 223R advances the process to step S205.
- step S205 the measurement unit 221L measures the intensity of infrared rays with the proximity sensor IF 209L and the proximity sensor 25L (infrared sensor), and outputs it to the communication unit 223L as left earphone wearing state information.
- the communication unit 223L acquires the right earphone wearing state information and the left earphone wearing state information through the communication IF 207L.
- the communication unit 223L outputs the right earphone wearing state information and the left earphone wearing state information to the information communication device 1 through the communication IF 207L.
- the communication unit 223L advances the process to step S206.
- step S206 the communication unit 113 uses the communication IF 105 to acquire right earphone wearing state information and left earphone wearing state information.
- the determination unit 111 determines whether the earphone 2R and the left earphone 2L are not worn by the user based on the right earphone wearing state information and the left earphone wearing state information. Determine whether it is
- the determination unit 111 can determine whether or not the right earphone 2R is worn based on the digital signal (right earphone wearing state information) indicating the intensity of the infrared rays received by the proximity sensor 25R.
- the determination unit 111 can determine whether or not the left earphone 2L is worn based on the digital signal (left earphone wearing state information) indicating the intensity of the infrared rays received by the proximity sensor 25L.
- the criterion for determination by the determining unit 111 may be determined that the user H is wearing the earphone 2 when the intensity of the infrared rays (right earphone wearing state information or left earphone wearing state information) is equal to or greater than a threshold.
- the criterion may be to calculate a wearing score based on the intensity of infrared rays or a change thereof, and determine that the user H is wearing the earphone 2 when the wearing score is equal to or greater than a threshold.
- the determination unit 111 determines that both the earphone 2R and the left earphone 2L are not worn by the user, it acquires a wearing determination result indicating whether or not the earphone is worn on the user's ear.
- the communication unit 113 uses the communication IF 105 to output the wearing determination result and information (authentication cancellation instruction information) instructing invalidation of the authentication state to the left earphone 2L.
- the communication unit 223L uses the communication IF 207L to acquire the wearing determination result and the authentication cancellation instruction information, and outputs them to the right earphone 2R.
- the communication unit 223R acquires deauthentication instruction information using the communication IF 207R.
- the communication unit 223L and the communication unit 223R advance the process to step S207.
- step S206 if the determination unit 111 determines that only one of the earphone 2R and the left earphone 2L is not worn by the user, the process proceeds to step S204.
- step S207 the authentication unit 222R and the authentication unit 222L invalidate the authentication of the user H with the right earphone 2R and the left earphone 2L, respectively.
- the communication unit 113 ends the processing.
- the authentication management device includes authentication result acquisition means ( communication unit 113), storage means (for example, storage unit 112) for storing the authentication result, and after obtaining the authentication result, based on the detection result of the proximity sensor, it is determined whether the earphone is worn on the user's ear.
- determination result acquisition means e.g., determination unit 111 for acquiring a wearing determination result indicating that the earphone is not worn on the ear; and update the authentication result stored in the storage means when the wearing determination result indicates that the earphone is not worn and a control means (storage unit 112).
- the authentication means is an authentication method that, in ear acoustic authentication, transmits a test sound in the direction of the ear canal of one ear or the other ear and authenticates the user based on the reflected sound of the test sound.
- the user authentication state can be controlled at high speed based on the wearing state of the earphones.
- the authentication unit 222R may directly output the right earphone wearing state information and the right ear authentication result to the information communication device 1 .
- the communication IF 105 may directly output the wearing state confirmation instruction information, the authentication execution instruction information, and the authentication cancellation instruction information to the right earphone 2R.
- the communication unit 113 of the information communication device 1 may acquire a request for authentication of user H in another device (authentication request) from another device.
- the communication unit 113 may read out the right ear authentication result and the left ear authentication result from the storage unit 112 and output them to another device. If both the right ear authentication result and the left ear authentication result indicate that the authentication has succeeded, or if either the right ear authentication result or the left ear authentication result indicates that the authentication has succeeded, other device may authenticate the user.
- the other device may be, for example, an entrance/exit control device in a building, or an authentication device installed at a gate at an airport baggage inspection area, an immigration gate, or the like.
- the authentication request may be directly acquired by the earphone 2 through the communication unit 223 from another device without going through the information communication device 1 .
- the communication unit 113 when the communication unit 113 acquires the requested security level from another device in addition to the authentication request in the above, the authentication history of the user H in the information communication device 1 described in steps S201 to S207 for a predetermined period is stored.
- the part 112 may store.
- the authentication history indicates the history of successful authentication of user H and the history of cancellation of authentication of user H in information communication device 1 .
- the communication unit 113 requests execution of ear acoustic authentication.
- the request (ear acoustic authentication request) may be output to the left earphone 2L.
- the communication unit 223L receives the ear acoustic authentication request.
- the communication unit 223L may output the ear acoustic authentication request to the right earphone 2R, and the communication unit 223R may receive the ear acoustic authentication request.
- the processing from step S201 to step S203 is executed.
- the communication unit 113 outputs the right ear authentication result and the left ear authentication result to another device before proceeding to step S204 or step S201. If both the right ear authentication result and the left ear authentication result indicate that the authentication has succeeded, or if either the right ear authentication result or the left ear authentication result indicates that the authentication has succeeded, other may authenticate user H.
- the communication unit 113 may output the right ear authentication result and the left ear authentication result, including information indicating that the authentication was successful, to the other device. The other device may then authenticate user H.
- the other device can authenticate user H without performing further authentication processing. It is possible to safely and smoothly implement user entrance/exit management or authentication using other devices.
- FIG. 7 is a flow chart showing the processing flow of the authentication system S in the second embodiment.
- Each process from step S1201 to step S1207 in FIG. 7 is basically the same as each process from step S201 to step S207 in FIG. Different processing.
- step S1206 determines in step S1206 that only one of the earphone 2R and the left earphone 2L is not worn by the user, the process proceeds to step S1208.
- step S1208 the determination unit 111 sets the value of the internal timer 1 to t1.
- t1 can be arbitrarily set according to requirements, and may be in units of milliseconds, seconds or minutes.
- the determination unit 111 starts subtracting the timer value, and advances the process to step S1209.
- step S1209 If the timer value reaches 0 in step S1209, the determination unit 111 advances the process to step S1204. After step S1207, the storage unit 112 ends the processing.
- the determination result obtaining means periodically determines whether the earphone is worn on the ear at the first predetermined cycle. run to
- FIG. 8 is a flow chart showing the processing flow of the authentication system S in the third embodiment.
- each process from step S2201 to step S2203 is the same as each process from step S201 to step S203. If the determination result of step S2203 is "Yes", the determination unit 111 advances the process to step S2204.
- step S2204 the determination unit 111 initializes the value of the internally held timer 2 to t2, and starts subtracting the timer value.
- the determination unit 111 advances the process to step S2205.
- step S2205 the determination unit 111 initializes the value of the internally held counter to c.
- the determination unit 111 advances the process to step S2206.
- step S2206 to step S2208 is basically the same as each process from step S204 to step S206, but the process when the determination result in step S2208 is "Yes" differs from step S206.
- step S2208 determines in step S2208 that both the earphone 2R and the left earphone 2L are not worn by the user, the process proceeds to step S2209.
- step S2209 the determination unit 111 determines whether the timer value of timer 2 is 0. If the timer value is 0, determination unit 111 advances the process to step S2204. If the timer value is not 0, determination section 111 advances the process to step S2210.
- step S2210 the determination unit 111 decrements the counter value by 1, and advances the process to step S2211.
- step S2211 if the counter value is 0, the determination unit 111 advances the process to step S2212. If the counter value is not 0, determination unit 111 advances the process to step S2204.
- step S2212 is the same as the processing in step S207. After step S2212, the determination unit 111 finishes the process.
- step S2211 if the counter value is 0, the determination unit 111 advances the process to step S2212. In this case, the counter reaches 0 before the timer value expires. In this case, the number of times that both the earphone 2R and the left earphone 2L are determined not to be worn by the user exceeds a predetermined number of times (that is, the upper limit number serving as a threshold) before the predetermined time elapses.
- a predetermined number of times that is, the upper limit number serving as a threshold
- the wearing state confirmation processing of the right earphone 2R and the left earphone 2L in steps S2206 and S2207 is an operation after the authentication processing in both ears has succeeded.
- the earphone even if the earphone is worn, it is determined that the earphone is not worn due to an erroneous determination by the determination unit 111 due to an instantaneous change in the operating environment of the earphone. things can happen.
- the determination unit 111 invalidates the authentication state of both ears only when the non-wearing state is detected in both the left and right ears for a predetermined number (threshold number) within a predetermined period. .
- the authentication management device confirms that the earphone (for example, the right earphone 2R or the left earphone 2L) is not worn on the ear at the second predetermined period. If the second determination means (e.g. determination unit 111) makes determinations more than a predetermined number of times between memorize it.
- the second determination means e.g. determination unit 111
- the determination unit invalidates the authentication state of both ears, thereby avoiding erroneous determination of the wearing state. Unfavorable cancellation of the authentication state based on the authentication can be suppressed, and the authentication accuracy can be improved.
- FIG. 9 is a functional block diagram of the earphone 2 according to the fourth embodiment.
- Earphone control device 20R-C further includes determination section 224R and storage section 225R.
- Earphone control device 20L-C further includes determination section 224L and storage section 225L. Specific processing performed in the determination unit 224 and the storage unit 225 will be described later.
- FIG. 10 is a flow chart showing the processing flow of the authentication system S in the fourth embodiment.
- step S3201 ear acoustic authentication is performed on the right ear of user H by the authentication unit 222R of the right earphone 2R. Similarly, ear acoustic authentication is performed by the authentication unit 222L in the left earphone 2L.
- the communication unit 223R outputs information (right ear authentication result) indicating whether or not the authentication unit 222R has successfully authenticated the user's right ear to the left earphone 2L using the communication IF 207R.
- the communication unit 223L acquires the right ear authentication result.
- step S3202 the storage unit 225L stores the right ear authentication result and the left ear authentication result. Storage unit 225L advances the process to step S3203.
- step S3203 the determination unit 224L reads the right ear authentication result and the left ear authentication result, and checks whether both the right ear authentication result and the left ear authentication result indicate that the authentication has succeeded. When both the right ear authentication result and the left ear authentication result indicate that the authentication was successful, the determination unit 224L generates information (wearing state confirmation instruction information) instructing confirmation of the wearing state.
- the communication unit 223L uses the communication IF 207L to output wearing state confirmation instruction information to the right earphone 2R.
- the communication unit 223R acquires the wearing state confirmation instruction information using the communication IF 207R.
- the communication units 223L and 223R advance the process to step S3204.
- step S3204 the measurement unit 221R measures the intensity of infrared rays using the proximity sensor IF209R and the proximity sensor 25R (infrared sensor).
- the communication unit 223R outputs the right earphone wearing state information to the earphone control device 20L through the communication IF 207R.
- the communication unit 223R advances the process to step S3205.
- step S3205 the measurement unit 221L measures the intensity of infrared rays with the proximity sensor IF 209L and the proximity sensor 25L (infrared sensor), and holds it as left earphone wearing state information.
- the storage unit 225 may store left earphone wearing state information.
- the communication unit 223L acquires the right earphone wearing state information through the communication IF 207L.
- the communication unit 223L advances the process to step S206.
- step S3206 the determination unit 224L uses the CPU 201L and at least one of the RAM 202L, ROM 203L, flash memory 204L, etc., and based on the right earphone wearing state information and the left earphone wearing state information, It is determined whether the user wears neither the earphone 2R nor the left earphone 2L.
- the communication unit 223L uses the communication IF 207L to transmit information (authentication cancellation instruction information) instructing invalidation of the authentication state. is output to the right earphone 2R.
- the communication unit 223R acquires deauthentication instruction information using the communication IF 207R.
- the communication units 223L and 223R advance the process to step S3207.
- step S3207 the authentication unit 222R and the authentication unit 222L invalidate the user authentication in the right earphone 2R and the left earphone 2L, respectively.
- the authentication section 222R and the authentication section 222L finish the processing.
- the authentication management device does not use the information communication device 1, but uses only the right earphone 2R and the left earphone 2L to Ear acoustic authentication is controlled based on the wearing state of the right earphone 2R and the left earphone 2L.
- FIG. 11 is a block diagram showing the hardware configuration of the earphone 2D according to the fifth embodiment.
- Earphone 2D includes motion sensor 26 in addition to earphone 2 of the first to third embodiments.
- Motion sensor 26 includes an acceleration sensor and a gyro sensor. The motion sensor 26 senses sensor information indicating the motion of the user, such as the up-and-down motion of the body of the user H during movement and the impact at the time of landing.
- FIG. 12 is a block diagram showing the hardware configuration of the earphone control device 20D according to the fifth embodiment.
- An earphone control device 20D includes a motion sensor IF 210 in addition to the earphone control devices 20 of the first to fourth embodiments.
- a motion sensor IF 210 is an interface that controls the sensing operation of the motion sensor 26 .
- FIG. 13 is a flowchart for setting the monitor cycle in the fifth embodiment.
- the monitor and monitor period will be described later.
- the timers 1 and 2 are used when the determination unit 111 determines the wearing state of the earphones.
- timer values to be set in timers 1 and 2 are set based on user H's estimated movement.
- step S4201 the measurement unit 221L acquires the acceleration of the user H using the motion sensor IF210L and the motion sensor 26L.
- the communication unit 223L outputs the acceleration measurement value to the information communication device 1 using the communication IF 207L.
- the communication unit 113 uses the communication IF 207 to acquire the acceleration measurement value.
- the communication unit 113 may also acquire the acceleration acquired by the earphone control device 20R via the earphone control device 20L.
- the communication unit 223L and the communication unit 113 advance the process to step S4202.
- FIG. 14 is a graph showing temporal transition of sensor information in the fifth embodiment.
- FIG. 14A shows the temporal transition of acceleration (m/s 2 ) when user H is walking.
- FIG. 14B shows the temporal transition of acceleration (m/s 2 ) when user H is running.
- the accelerations shown in FIGS. 14A and 14B are obtained by the motion sensor 26L.
- the user's acceleration does not exceed the threshold A th when walking, but the user's acceleration exceeds the threshold A th when running.
- the acceleration peak value intervals d 1 , d 2 and d 3 are greater than the acceleration peak value intervals d′ 1 , d′ 2 and d′ 3 when the user is running. too long. Therefore, the exercise intensity of the user H can be estimated from the magnitude of the acceleration or the interval between the peak values of the acceleration.
- step S4202 the determination unit 111 determines whether or not the acceleration obtained from the left earphone 2L exceeds a predetermined threshold Ath.
- the determination unit 111 determines that the user H is exercising with high intensity such as running, and advances the process to step S4203.
- the determination unit 111 determines that the user H is exercising with low intensity such as walking, and advances the process to step S4205.
- the determination unit 111 may advance the process to step S4203 if the number of times the threshold Ath is exceeded within the predetermined period is equal to or greater than a predetermined number.
- step S4203 the determination unit 111 acquires the intervals between the acceleration peak values acquired from the left earphone 2L, and obtains the average value of the intervals between the peak values. If the obtained average value exceeds the predetermined threshold value Dth, the determination unit 111 determines that the user H is exercising with high intensity such as running, and advances the process to step S4204 . If the calculated average value does not exceed the predetermined threshold value Dth, the determination unit 111 determines that the user H is exercising with low intensity, such as walking, and advances the process to step S4205 .
- step S4204 the determination unit 111 sets the value D1 as the values t1 and t2 of the timers 1 and 2, respectively.
- the determination unit 111 ends the processing.
- step S4205 the determination unit 111 sets the value D2 as the values t1 and t2 of the timer 1. Note that D1 ⁇ D2. The determination unit 111 ends the processing.
- step S4202 or step S4203 may be executed to determine whether to execute step S4204 or step S4205.
- the authentication management apparatus further includes estimation means (determining unit 111) for estimating the user's movement, and the determination result acquisition means obtains the estimated movement of the user. Based on this, a first predetermined period is set.
- the authentication management apparatus further includes estimation means (determination unit 111) for estimating the motion of the user, and the determination result acquisition means obtains the second motion based on the motion estimated by the user. set a predetermined period of
- the earphone 2 When the exercise intensity of the user H is high, the earphone 2 is likely to come off the user H, so it is considered effective to determine the wearing state in a short cycle in order to maintain the authentication state. As a result, the user authentication state can be easily and quickly controlled based on the wearing state of the earphone by the frequency according to the exercise intensity of the user H.
- the user authentication state can be easily and quickly controlled based on the wearing state of the earphone according to the frequency corresponding to the exercise intensity of the user H, and battery consumption can be suppressed.
- the earphone 2 is exemplified as an example of the wearable device, but the device is not limited to being worn on the ear as long as the acoustic information required for processing can be acquired.
- the wearable device may be a bone conduction acoustic device.
- the proximity sensor 25 may include a light source such as an LED and a photodiode.
- the proximity sensor 25 may emit light from a light source and detect reflected waves of the light with a photodiode.
- the determination unit 224 may determine wearing of the earphone 2 based on the presence or absence of the reflected wave of the light or the time until the reflected wave is received.
- an infrared sensor is exemplified as means for determining attachment by the proximity sensor 25, but the present invention is not limited to this as long as determination of attachment is possible.
- the proximity sensor 25 emits a sound wave to the ear canal of the user H, and the determination unit 224 determines the presence or absence of reflected waves, the time until the reflected waves are received, the intensity of the reflected sounds, and the acoustic characteristics of the reflected sounds such as the echo time.
- the wearing determination may be performed based on the acoustic characteristics of the reverberant sound.
- the speaker 23 and the microphone 24 function not only as ear acoustic authentication but also as devices for wearing determination. Therefore, the device configuration can be simplified.
- the feature amount is transmitted from the earphone 2 to the information communication device 1, but the acoustic characteristic data of the ear canal may be transmitted.
- the information communication device 1 may perform the process of extracting the feature amount.
- the amount of communication increases, but the amount of calculation within the earphone 2 can be reduced.
- ASIC Application Specific Integrated Circuit
- FPGA Field Programmable Gate Array
- a floppy (registered trademark) disk, hard disk, optical disk, magneto-optical disk, CD (Compact Disk)-ROM, magnetic tape, nonvolatile memory card, and ROM can be used as the storage medium.
- it is not limited to the one that executes processing by itself, the program recorded in the storage medium, but the one that operates on an OS (Operating System) and executes processing in cooperation with other software and expansion board functions. are also included in the scope of each embodiment.
- SaaS Software as a Service
- FIG. 15 is a diagram showing the minimum configuration of the authentication management device 1 in this disclosure.
- the authentication system S may include at least the storage unit 112 and the communication unit 113 (acquisition unit) 226 .
- the communication unit 113 (acquisition unit) acquires a user authentication result by ear acoustic authentication using earphones.
- Storage unit 112 stores the authentication result.
- the communication unit 113 (acquisition unit) acquires the wearing determination result indicating whether or not the earphone is worn on the user's ear based on the detection result of the proximity sensor.
- the storage unit 112 updates the stored authentication result.
- FIG. 16 is a flow chart showing the flow of processing in the minimum configuration embodiment of the authentication system S in this disclosure.
- step S5201 the communication unit 113 (that is, the acquisition unit) acquires the user's authentication result by the ear acoustic authentication in the earphone. Communication unit 113 advances the process to step S5202.
- step S5202 the storage unit 112 stores the authentication result. Storage unit 112 advances the process to step S5203.
- step S5203 after acquiring the authentication result, the communication unit 113 (that is, the acquiring unit) acquires the wearing determination result indicating whether or not the earphone is worn on the user's ear based on the detection result of the proximity sensor. Communication unit 113 advances the process to step S5204.
- step S5204 if the wearing determination result indicates that both the left and right earphones are not worn on the ear, the communication unit 113 advances the process to step S5205. If the wearing determination result does not indicate that both the left and right earphones are not worn on the ears, communication section 113 advances the process to step S5201.
- step S5205 the storage unit 112 updates the stored authentication result. After that, the storage unit 112 ends the processing.
- authentication result acquisition means for acquiring a user authentication result by ear acoustic authentication in the earphone; storage means for storing the authentication result; determination result acquisition means for acquiring a wearing determination result indicating whether or not the earphone is worn on the ear; and storing in the storage means when the wearing determination result indicates that the earphone is not worn on the ear. and a control means for updating the authentication result.
- (Appendix 2) The authentication management apparatus according to supplementary note 1, wherein the ear acoustic authentication is an authentication method for transmitting a test sound toward the ear canal of the ear and authenticating the user based on a reflected sound of the test sound.
- Appendix 5 Further comprising estimation means for estimating the movement of the user, The authentication management apparatus according to appendix 3, wherein the determination result obtaining means sets the first predetermined period based on the estimated movement of the user.
- Appendix 6 Further comprising estimation means for estimating the movement of the user, The authentication management apparatus according to appendix 4, wherein the second predetermined period is set in the determination result obtaining means based on the estimated movement of the user.
- An authentication method for use in a computer comprising: an authentication result acquisition step of acquiring a user authentication result by ear acoustic authentication in earphones; a storage step of storing the authentication result; a determination result obtaining step of obtaining a wearing determination result indicating whether or not the earphone is worn in the user's ear based on the detection result of the proximity sensor after obtaining the authentication result; and a control step of updating the authentication result stored in the storing step when the wearing determination result indicates that the earphone is not worn on the ear.
- a recording medium storing a program for executing a control step of updating the authentication result stored in the storing step when the wearing determination result indicates that the earphone is not worn on the ear.
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Abstract
Description
図1は、第1の実施形態における認証システムSの構成例を示す図である。認証システムSは、情報通信装置1、右イヤホン2R及び左イヤホン2Lを備える。ユーザHは右イヤホン2R及び左イヤホン2Lを耳に装着している。ユーザHは、情報通信装置1を使用している。情報通信装置1は、通信機能を備える電子デバイスである。情報通信装置1は、例えばスマートフォンでもよいし、タブレットコンピュータでもよいし、腕時計型携帯端末でもよいし、パーソナルコンピュータ(Personal computer:PC)でもよい。
情報通信装置1は、判定部111、記憶部112及び通信部113を備える。判定部111は、ユーザHの右耳と右イヤホン2Rとの装着状態を示す情報(右イヤホン装着状態情報)に基づき、右イヤホン2RがユーザHの右耳に接続されているか否かを判定する。判定部111は、ユーザHの左耳と右イヤホン2Lとの装着状態を示す情報(左イヤホン装着状態情報)に基づき、左イヤホン2LがユーザHの左耳に接続されているか否かを判定する。なお、情報通信装置1を、認証管理装置と称してよい。
イヤホン制御装置20は、測定部221、認証部222及び通信部223を備える。CPU201は、ROM203、フラッシュメモリ204等に記憶されたプログラムをRAM202にロードして実行する。これにより、CPU201は、測定部221及び認証部222の機能を実現する。測定部221及び認証部222の処理に関して、詳細は後述する。
この開示の第2の実施形態に係る認証システムSを、図面を参照して説明する。第2の実施形態に係る認証システムSにおいて、情報通信装置1及びイヤホン2の構成は第1の実施形態と同様である。
この開示の第3の実施形態に係る認証システムSを、図面を参照して説明する。第3の実施形態に係る認証システムSにおいて、情報通信装置1及びイヤホン2の構成は第1及び第2の実施形態と同様である。
この開示の第4の実施形態に係る認証システムSを、図面を参照して説明する。第4の実施形態に係る認証システムSにおいて、情報通信装置1及びイヤホン2のハードウェア構成は第1の実施形態と同様である。
イヤホン2R及び左イヤホン2Lの双方がユーザに非装着であるかを判定する。
この開示の第5の実施形態に係る認証システムSを、図面を参照して説明する。
本実施形態による認証システムSは、少なくとも記憶部112及び通信部113(取得部)226を備えればよい。
通信部113(取得部)は、イヤホンにおける耳音響認証によるユーザの認証結果を取得する。
記憶部112は、認証結果を記憶する。
通信部113(取得部)は、認証結果の取得後に、近接センサの検出結果に基づき、イヤホンがユーザの耳に装着されているか否かを示す装着判定結果を取得する。
イヤホンが耳に装着されていないことを装着判定結果が示す場合、記憶部112は、記憶されている認証結果を更新する。
イヤホンにおける耳音響認証によるユーザの認証結果を取得する認証結果取得手段と、前記認証結果を記憶する記憶手段と、前記認証結果の取得後に、近接センサの検出結果に基づき、前記イヤホンが前記ユーザの耳に装着されているか否かを示す装着判定結果を取得する判定結果取得手段と、前記装着判定結果が、前記イヤホンが前記耳に装着されていないことを示す場合、前記記憶手段に記憶されている前記認証結果を更新する制御手段と、を備える認証管理装置。
前記耳音響認証は、前記耳の外耳道方向に検査音を送出し、前記検査音に対する反射音に基づいて前記ユーザを認証する認証方式である
付記1に記載の認証管理装置。
前記判定結果取得手段において、前記イヤホンが前記耳に装着されているか否かの判定が第1の所定の周期ごとに周期的に実行される
付記1又は2に記載の認証管理装置。
前記イヤホンが前記耳に装着されていないことが、第2の所定の周期の間において所定の回数以上にわたり判定された場合、前記記憶手段に記憶されている前記認証結果を前記制御手段は更新する
付記1から3のいずれか一項に記載の認証管理装置。
前記ユーザの動きを推定する推定手段をさらに備え、
前記判定結果取得手段において、前記ユーザについて推定した動きに基づいて前記第1の所定の周期が設定される
付記3に記載の認証管理装置。
前記ユーザの動きを推定する推定手段をさらに備え、
前記判定結果取得手段において、前記ユーザについて推定した動きに基づいて前記第2の所定の周期が設定される
付記4に記載の認証管理装置。
コンピュータに用いられる認証方法であって、
イヤホンにおける耳音響認証によるユーザの認証結果を取得する認証結果取得ステップと、
前記認証結果を記憶する記憶ステップと、
前記認証結果の取得後に、近接センサの検出結果に基づき、前記イヤホンが前記ユーザの耳に装着されているか否かを示す装着判定結果を取得する判定結果取得ステップと、
前記装着判定結果が、前記イヤホンが前記耳に装着されていないことを示す場合、前記記憶ステップにおいて記憶した前記認証結果を更新する制御ステップと、を有する
認証方法。
コンピュータに、
イヤホンにおける耳音響認証によるユーザの認証結果を取得する認証結果取得ステップと、
前記認証結果を記憶する記憶ステップと、
前記認証結果の取得後に、近接センサの検出結果に基づき、前記イヤホンが前記ユーザの耳に装着されているか否かを示す装着判定結果を取得する判定結果取得ステップと、
前記装着判定結果が、前記イヤホンが前記耳に装着されていないことを示す場合、前記記憶ステップにおいて記憶した前記認証結果を更新する制御ステップと、を実行させるプログラムが記憶された
記録媒体。
2 イヤホン
101、201 CPU
102、202 RAM
103、203 ROM
104 HDD
105、207 通信IF
106 入力装置
107 出力装置
23 スピーカ
24 マイクロホン
25 近接センサ
26 動きセンサ
204 フラッシュメモリ
205 スピーカIF
206 マイクロホンIF
208 バッテリ
209 近接センサIF
210 動きセンサIF
111、224 判定部
112、225 記憶部
113、223 通信部
221 測定部
222 認証部
Claims (8)
- イヤホンにおける耳音響認証によるユーザの認証結果を取得する認証結果取得手段と、
前記認証結果を記憶する記憶手段と、
前記認証結果の取得後に、近接センサの検出結果に基づき、前記イヤホンが前記ユーザの耳に装着されているか否かを示す装着判定結果を取得する判定結果取得手段と、
前記装着判定結果が、前記イヤホンが前記耳に装着されていないことを示す場合、前記記憶手段に記憶されている前記認証結果を更新する制御手段と、を備える
認証管理装置。 - 前記耳音響認証は、前記耳の外耳道方向に検査音を送出し、前記検査音に対する反射音に基づいて前記ユーザを認証する認証方式である
請求項1に記載の認証管理装置。 - 前記判定結果取得手段において、前記イヤホンが前記耳に装着されているか否かの判定が第1の所定の周期ごとに周期的に実行される
請求項1又は2に記載の認証管理装置。 - 前記イヤホンが前記耳に装着されていないことが、第2の所定の周期の間において所定の回数以上にわたり判定された場合、前記記憶手段に記憶されている前記認証結果を前記制御手段は更新する
請求項1から3のいずれか一項に記載の認証管理装置。 - 前記ユーザの動きを推定する推定手段をさらに備え、
前記判定結果取得手段において、前記ユーザについて推定した動きに基づいて前記第1の所定の周期が設定される
請求項3に記載の認証管理装置。 - 前記ユーザの動きを推定する推定手段をさらに備え、
前記判定結果取得手段において、前記ユーザについて推定した動きに基づいて前記第2の所定の周期が設定される
請求項4に記載の認証管理装置。 - コンピュータに用いられる認証方法であって、
イヤホンにおける耳音響認証によるユーザの認証結果を取得する認証結果取得ステップと、
前記認証結果を記憶する記憶ステップと、
前記認証結果の取得後に、近接センサの検出結果に基づき、前記イヤホンが前記ユーザの耳に装着されているか否かを示す装着判定結果を取得する判定結果取得ステップと、
前記装着判定結果が、前記イヤホンが前記耳に装着されていないことを示す場合、前記記憶ステップにおいて記憶した前記認証結果を更新する制御ステップと、を有する
認証方法。 - コンピュータに、
イヤホンにおける耳音響認証によるユーザの認証結果を取得する認証結果取得ステップと、
前記認証結果を記憶する記憶ステップと、
前記認証結果の取得後に、近接センサの検出結果に基づき、前記イヤホンが前記ユーザの耳に装着されているか否かを示す装着判定結果を取得する判定結果取得ステップと、
前記装着判定結果が、前記イヤホンが前記耳に装着されていないことを示す場合、前記記憶ステップにおいて記憶した前記認証結果を更新する制御ステップと、を実行させるプログラムが記憶された
記録媒体。
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JP2015186072A (ja) * | 2014-03-25 | 2015-10-22 | オンキヨー株式会社 | 音声信号出力装置 |
WO2020129196A1 (ja) * | 2018-12-19 | 2020-06-25 | 日本電気株式会社 | 情報処理装置、装着型機器、情報処理方法及び記憶媒体 |
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JP2015186072A (ja) * | 2014-03-25 | 2015-10-22 | オンキヨー株式会社 | 音声信号出力装置 |
WO2020129196A1 (ja) * | 2018-12-19 | 2020-06-25 | 日本電気株式会社 | 情報処理装置、装着型機器、情報処理方法及び記憶媒体 |
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