# US 2014/0155031 A1 · Method and mobile terminal for controlling screen lock > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0155031 A1 - Document ID: US20140155031A1 - Status: Published application - Kind: A1 - Application number: 14/078,170 - Filed: 2013-11-12 - Published: 2014-06-05 - Earliest claimed: 2012-12-03 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Ju-youn LEE; Sang-hyup LEE - Web page: https://patentgrep.com/patent/US20140155031A1 ## CPC - H04W 12/08: Access security - G06F 21/35: communicating wirelessly - H04W 4/20: Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel - H04W 4/80: Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication - H04W 12/30: Security of mobile devices; Security of mobile applications - H04W 12/33: using wearable devices, e.g. using a smartwatch or smart-glasses - G06F 21/32: using biometric data, e.g. fingerprints, iris scans or voiceprints - H04L 63/0861: {using biometrical features, e.g. fingerprint, retina-scan (cryptographic mechanisms or cryptographic arrangements for entity authentication using biological data H04L9/3231)} - H04W 12/63: Location-dependent; Proximity-dependent - H04W 12/68: Gesture-dependent or behaviour-dependent - H04W 88/02: Terminal devices - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A method of controlling screen lock and a mobile terminal employing the same is provided. The mobile device includes a User Interface (UI) for setting a screen unlock mode using a wireless device other than the mobile terminal and stores IDentifier (ID) information of the wireless device designated by the UI corresponding to the screen unlock mode. The mobile terminal is capable of detecting a wireless device. After the ID information of the wireless device is stored, if the wireless device is detected by the mobile terminal and ID information of the detected wireless device is identical to the stored ID information, the mobile terminal controls not to display an unlock requesting screen when the display unit of the mobile terminal is turned on. ## Claims ### Claim 1 A method of controlling screen lock of a mobile terminal, the method comprising: providing a User Interface (UI) for setting a screen unlock mode using a wireless device other than the mobile terminal; storing IDentifier (ID) information of the wireless device designated by the UI corresponding to the screen unlock mode; and if, after the ID information of the wireless device is stored, the wireless device is detected by the mobile terminal and ID information of the detected wireless device is identical to the stored ID information, controlling not to display a unlock requesting screen when a display unit of the mobile terminal is turned on. ### Claim 2 (depends on 1) The method of claim 1, further comprising, if, after the display unit is turned on, the wireless device having ID information identical to the stored ID information is continuously detected, controlling to keep the display unit on without displaying an unlock requesting screen until a screen off input is received from a user. ### Claim 3 (depends on 2) The method of claim 2, further comprising, if the ID information is not received from the wireless device for a predetermined period of time while the display unit is on, controlling to turn off the display unit. ### Claim 4 (depends on 1) The method of claim 1, wherein the wireless device comprises a Bluetooth Low Energy (BLE) device. ### Claim 5 (depends on 1) The method of claim 1, further comprising storing a distance between the wireless device and the mobile terminal via the UI, wherein the detection of the wireless device by the mobile terminal indicates that the wireless device is transmitting a signal having an intensity equal to or greater than a reception signal intensity corresponding to the stored distance. ### Claim 6 (depends on 1) The method of claim 1, further comprising: storing a sensing condition of the mobile terminal via the UI; and acquiring sensing information, wherein, in the controlling not to display the unlock requesting screen, if, after the ID information of the wireless device is stored, the wireless device is detected by the mobile terminal, ID information of the detected wireless device is identical to the stored ID information, and the acquired sensing information satisfies the sensing condition, the mobile terminal is controlled not to display an unlock requesting screen when the display unit of the mobile terminal is turned on. ### Claim 7 (depends on 6) The method of claim 6, wherein the acquiring of the sensing information is carried out if the wireless device is detected by the mobile terminal. ### Claim 8 (depends on 6) The method of claim 6, wherein the sensing condition comprises a sensing condition that a shape of a grip for holding the mobile terminal is identical to a predetermined grip. ### Claim 9 (depends on 6) The method of claim 6, wherein the sensing condition comprises a sensing condition that motion of the mobile terminal is identical to a predetermined motion shape. ### Claim 10 (depends on 6) The method of claim 6, wherein the sensing condition comprises a sensing condition that the face of a user recognized by the mobile terminal corresponds to predetermined face of the user. ### Claim 11 (depends on 6) The method of claim 6, further comprising: after the display unit is turned on, if the ID information is continuously received from the wireless device, acquiring new sensing information from the mobile terminal; and if the new sensing information satisfies the sensing condition, controlling to keep the display unit on until a screen off input is received from a user of the mobile terminal. ### Claim 12 (depends on 1) The method of claim 1, further comprising: storing a sensing condition of the wireless device via the UI; and receiving sensing information from the wireless device, wherein, in the controlling not to display the unlock requesting screen, if, after the ID information of the wireless device is stored, the wireless device is detected by the mobile terminal, ID information of the detected wireless device is identical to the stored ID information, and the received sensing information satisfies the sensing condition, the mobile terminal is controlled not to display an unlock requesting screen when the display unit of the mobile terminal is turned on. ### Claim 13 A mobile terminal which controls screen lock, the mobile terminal comprising a User Interface (UI) unit, which provides a UI for setting a screen unlock mode using a wireless device other than the mobile terminal; a memory, which stores IDentifier (ID) information of the wireless device designated by the UI corresponding to the screen unlock mode; a communication unit, which detects the wireless device; and a control unit, which, if, after the ID information of the wireless device is stored, the wireless device is detected by the mobile terminal and ID information of the detected wireless device is identical to the stored ID information, controls not to display an unlock requesting screen when a display unit of the mobile terminal is turned on. ### Claim 14 (depends on 13) The mobile terminal of claim 13, wherein, if, after the display unit is turned on, the wireless device having ID information identical to the stored ID information is continuously detected, the control unit controls to keep the display unit on without displaying an unlock requesting screen until a screen off input is received from a user. ### Claim 15 (depends on 14) The mobile terminal of claim 14, wherein, if the ID information is not received from the wireless device for a predetermined period of time while the display unit is on, the control unit controls to turn off the display unit. ### Claim 16 (depends on 13) The mobile terminal of claim 13, wherein the wireless device comprises a Bluetooth Low Energy (BLE) device. ### Claim 17 (depends on 13) The mobile terminal of claim 13, wherein the memory stores a distance between the wireless device and the mobile terminal via the UI, and wherein the communication unit detects the wireless device transmitting a signal having an intensity equal to or greater than a reception signal intensity corresponding to the stored distance. ### Claim 18 (depends on 13) The mobile terminal of claim 13, further comprising a sensing unit, which acquires sensing information, wherein the memory stores sensing information regarding the mobile terminal via the UI, and wherein, after the ID information of the wireless device is stored, if the wireless device is detected by the mobile terminal, ID information of the detected wireless device is identical to the stored ID information, and the acquired sensing information satisfies the sensing condition, the control unit controls not to display an unlock requesting screen when the display unit of the mobile terminal is turned on. ### Claim 19 (depends on 18) The mobile terminal of claim 18, wherein the sensing unit acquires the sensing information if the wireless device is detected by the mobile terminal. ### Claim 20 (depends on 18) The mobile terminal of claim 18, wherein the sensing condition comprises a sensing condition that a shape of a grip for holding the mobile terminal is identical to a predetermined grip. ### Claim 21 (depends on 18) The mobile terminal of claim 18, wherein the sensing condition comprises a sensing condition that motion of the mobile terminal is identical to a predetermined motion shape. ### Claim 22 (depends on 18) The mobile terminal of claim 18, wherein the sensing condition comprises a sensing condition that the face of a user recognized by the mobile terminal corresponds to predetermined face of the user. ### Claim 23 (depends on 18) The mobile terminal of claim 18, wherein, after the display unit is turned on, if the ID information is continuously received from the wireless device, the sensing unit acquires new sensing information from the mobile terminal, and wherein, if the new sensing information satisfies the sensing condition, the control unit controls to keep the display unit on until a screen off input is received from a user of the mobile terminal. ### Claim 24 (depends on 13) The mobile terminal of claim 13, wherein the memory stores a sensing condition of the wireless device via the UI, wherein the communication unit receives sensing information from the wireless device, and wherein, after the ID information of the wireless device is stored, if the wireless device is detected by the mobile terminal, ID information of the detected wireless device is identical to the stored ID information, and the received sensing information satisfies the sensing condition, the control unit controls not to display an unlock requesting screen when the display unit of the mobile terminal is turned on. ### Claim 25 A method of controlling screen lock of a mobile terminal, the method comprising: storing a predetermined sensing condition and IDentifier (ID) information of a wireless device other than the mobile terminal; receiving ID information from the wireless device located by the mobile terminal; acquiring sensing information from the mobile terminal; and if ID information of the detected wireless device is identical to the stored ID information, and the received sensing information satisfies the sensing condition, controlling not to display an unlock requesting screen when the display unit of the mobile terminal is turned on. ### Claim 26 A method of controlling screen lock of a mobile terminal, the method comprising: storing a predetermined sensing condition and IDentifier (ID) information of a wireless device other than the mobile terminal; receiving ID information and sensing information from the wireless device located by the mobile terminal; if ID information of the detected wireless device is identical to the stored ID information, and the received sensing information satisfies the sensing condition, controlling not to display an unlock requesting screen when the display unit of the mobile terminal is turned on.