# US 2018/0026974 A1 · Portable electric device and operating method therefor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0026974 A1 - Document ID: US20180026974A1 - Status: Published application - Kind: A1 - Application number: 15/216,298 - Filed: 2016-07-21 - Published: 2018-01-25 - Earliest claimed: 2016-07-21 - Assignees: HTC Corporation - Applicants: HTC Corporation - Inventors: Kai-Horng CHENG; Shih-Hung CHANG; Hsin-Hao LEE - Web page: https://patentgrep.com/patent/US20180026974A1 ## CPC - H04L 63/0861: {using biometrical features, e.g. fingerprint, retina-scan (cryptographic mechanisms or cryptographic arrangements for entity authentication using biological data H04L9/3231)} - G06F 1/163: {Wearable computers, e.g. on a belt} - G06F 21/32: using biometric data, e.g. fingerprints, iris scans or voiceprints - G06F 21/35: communicating wirelessly - H04W 4/80: Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication - H04W 12/065: Continuous authentication - H05K 5/0086: {portable, e.g. battery operated apparatus (casings for switching devices H01H9/02)} - G04G 21/025: {for measuring physiological data} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - G04G: ELECTRONIC TIME-PIECES ## Abstract An operating method for a portable electric device is provided. The portable electric device has a fixing component, a body, and an authentication register. The authentication register is disposed in the body. The body has a first part and a second part. The operating method includes the following steps. Determining whether the fixing component is attached to the body so that the first part and the second part of the body are attached to each other to make the body be of a ring shape. Performing a first biometric ID verification when the fixing component is attached to the body. Setting the authentication register and locking the fixing component to the body when the first biometric ID verification is successful. Performing a security related application when the authentication register is set and the fixing component is locked to the body. ## Claims ### Claim 1 An operating method for a portable electric device, the portable electric device having a fixing component, a body, and an authentication register disposed in the body, the body having a first part and a second part, the method comprising: determining whether the fixing component is attached to the body so that the first part and the second part of the body are attached to each other to make the body be of a ring shape; performing a first biometric identity (ID) verification when the fixing component is attached to the body; setting the authentication register and locking the fixing component to the body when the first biometric ID verification is successful; and performing a security related application when the authentication register is set and the fixing component is locked to the body. ### Claim 2 (depends on 1) The method according to claim 1, wherein the portable electric device further comprises a wireless communication module, the security related application is performed with the wireless communication module. ### Claim 3 (depends on 2) The method according to claim 2, wherein the wireless communication module is at least one of Near Field Communication (NFC) module, Bluetooth communication module, and Wi-Fi communication module. ### Claim 4 (depends on 1) The method according to claim 1, wherein when the first biometric ID verification is successful, the authentication register is set to a first value and the fixing component is locked to the body, the method further comprises: setting the authentication register to a second value when the fixing component is detached from the body without a second biometric ID verification; wherein the security related application is performed only when the authentication register is set to the first value. ### Claim 5 (depends on 1) The method according to claim 1, wherein when the fixing component is attached to the body, the method further comprises: determining whether any biometric characteristic is stored in a secure element of the portable electric device; and performing an enrollment procedure when no biometric characteristic is stored in the secure element; wherein the first biometric ID verification is performed according to the biometric characteristic stored in the secure element. ### Claim 6 (depends on 1) The method according to claim 1, wherein the portable electric device enters into a sleep mode when the locked fixing component is detached. ### Claim 7 (depends on 1) The method according to claim 1, wherein the portable electric device is turned off when number of failures of the first biometric ID verification is greater than a predetermined number. ### Claim 8 (depends on 1) The method according to claim 1, wherein when the first biometric ID verification is successful, the authentication register is set to a first value and the fixing component is locked to the body, the method further comprises: performing a second biometric ID verification; and setting the authentication register from a first value to a second value and unlocking the fixing component when the second biometric ID verification is successful; wherein the security related application is performed only when the authentication register is set to the first value. ### Claim 9 (depends on 1) The method according to claim 1, wherein after the authentication register is set and the fixing component is locked to the body, the portable electric device is returned to a normal mode from a sleep mode by a wake up trigger event. ### Claim 10 (depends on 1) The method according to claim 1, wherein the method further comprises: sensing whether the portable electric device is worn by a user; and setting the authentication register and locking the fixing component to the body when the first biometric ID verification is successful and the portable electric device is worn by the user. ### Claim 11 A portable electric device, comprising: a fixing component; a body having a first part and a second part, an authentication register disposed in the body; and a processor for determining whether the fixing component is attached to the body so that the first part and the second part of the body are attached to each other to make the body be of a ring shape, performing a first biometric ID verification when the fixing component is attached to the body, and setting the authentication register and locking the fixing component to the body when the first biometric ID verification is successful, performing a security related application when the authentication register is set and the fixing component is locked to the body. ### Claim 12 (depends on 11) The portable electric device according to claim 11, wherein the portable electric device further comprises: a wireless communication module; wherein the security related application is performed with the wireless communication module. ### Claim 13 (depends on 12) The portable electric device according to claim 12, wherein the wireless communication module is at least one of NFC module, Bluetooth communication module, and Wi-Fi communication module. ### Claim 14 (depends on 11) The portable electric device according to claim 11, wherein when the first biometric ID verification is successful, and the authentication register is set to a first value, the authentication register is set to a second value when the fixing component is detached from the body without a second biometric ID verification, and the security related application is performed only when the authentication register is set to the first value. ### Claim 15 (depends on 11) The portable electric device according to claim 11, wherein when the fixing component is attached to the body, the processor determines whether any biometric characteristic is stored in a secure element, and performs an enrollment procedure when no biometric characteristic is stored in the secure element; wherein the first biometric ID verification is performed according to the biometric characteristic stored in the secure element. ### Claim 16 (depends on 11) The portable electric device according to claim 11, wherein the portable electric device enters into a sleep mode when the fixing component is detached. ### Claim 17 (depends on 11) The portable electric device according to claim 11, wherein the portable electric device is turned off when number of failures of the first biometric ID verification is greater than a predetermined number. ### Claim 18 (depends on 11) The portable electric device according to claim 11, wherein when the first biometric ID verification is successful, the authentication register is set to a first value and the fixing component is locked, the processor further for performing a second biometric ID verification, setting the authentication register from the first value to a second value and unlocking the fixing component when the second biometric ID verification is successful; wherein the security related application is performed only when the authentication register is set to the first value. ### Claim 19 (depends on 11) The portable electric device according to claim 11, wherein after the authentication register is set and the fixing component is locked to the body, the portable electric device is returned to a normal mode from a sleep mode by a wake up trigger event. ### Claim 20 (depends on 11) The portable electric device according to claim 11, wherein the portable electric device further comprises: a sensor for sensing whether the portable electric device is worn by a user; wherein the processor further for setting the authentication register and locking the fixing component to the body when the first biometric ID verification is successful and the portable electric device is worn by the user.