# US 2014/0156269 A1 · Portable device and method for providing voice recognition service > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0156269 A1 - Document ID: US20140156269A1 - Status: Published application - Kind: A1 - Application number: 13/840,926 - Filed: 2013-03-15 - Published: 2014-06-05 - Earliest claimed: 2012-12-03 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Kiwon LEE; Suyoung LEE; Hokyuong KA; Youngwoo KIM - Web page: https://patentgrep.com/patent/US20140156269A1 ## CPC - G06F 3/0488: using a touch-screen or digitiser, e.g. input of commands through traced gestures - G06F 1/1694: {the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer} - G06F 1/3206: Monitoring of events, devices or parameters that trigger a change in power modality - G06F 1/3215: Monitoring of peripheral devices - G06F 1/3231: Monitoring the presence, absence or movement of users - G06F 1/3243: {Power saving in microcontroller unit} - G06F 1/3287: by switching off individual functional units in the computer system - G06F 3/167: {Audio in a user interface, e.g. using voice commands for navigating, audio feedback} - H04W 52/0254: {detecting a user operation or a tactile contact or a motion of the device} - H04M 2250/12: including a sensor for measuring a physical value, e.g. temperature or motion - H04M 2250/74: with voice recognition means - Y02D 10/00: Energy efficient computing, e.g. low power processors, power management or thermal management - Y02D 30/70: in wireless communication networks - 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) - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract A portable device and a method for providing a voice recognition service are disclosed. The portable device includes a mechanical vibration sensor configured to sense vibrations having a magnitude equal to or larger than a threshold and generate an electrical signal, a motion sensor configured to sense a motion of the portable device, an audio sensor configured to receive a voice command, a sensor hub configured to control a plurality of sensors including the motion sensor and the audio sensor, and a main processor configured to execute an application and control the portable device. When the portable device is placed in standby mode, upon receipt of the electrical signal from the mechanical vibration sensor, the sensor hub is configured to switch from inactive state to active state and activate the motion sensor. ## Claims ### Claim 1 A portable device comprising: a mechanical vibration sensor configured to sense vibrations having a magnitude equal to or larger than a threshold and generate an electrical signal; a motion sensor configured to sense a motion of the portable device; an audio sensor configured to receive a voice command; a sensor hub configured to control a plurality of sensors including the motion sensor and the audio sensor; and a main processor configured to execute an application and control the portable device, wherein when the portable device is placed in standby mode, the sensor hub switches from inactive state to active state and activates the motion sensor when receiving the electrical signal from the mechanical vibration sensor, and if a gesture pattern sensed by the activated motion sensor corresponds to a voice recognition service triggering gesture, the sensor hub transmits a signal to the main processor, the signal activating the main processor and switching the portable device from the standby mode to voice recognition service mode. ### Claim 2 (depends on 1) The portable device according to claim 1, wherein when the portable device is in the standby mode, the mechanical vibration sensor is in an active state and the motion sensor, the audio sensor, the sensor hub, and the main processor are in an inactive state. ### Claim 3 (depends on 1) The portable device according to claim 1, wherein when the portable device is switched to the voice recognition service mode, the portable device is further configured to activate the audio sensor, receive a voice command by the activated audio sensor, process the voice command, and provide a result of processing the voice command. ### Claim 4 (depends on 1) The portable device according to claim 1, wherein the motion sensor identifies the gesture pattern by a vibration pattern. ### Claim 5 (depends on 1) The portable device according to claim 1, wherein if the gesture pattern corresponds to the voice recognition service triggering gesture, the sensor hub is further configured to provide a feedback confirming whether to enter the voice recognition service mode. ### Claim 6 (depends on 1) The portable device according to claim 1, wherein when the portable device enters the voice recognition service mode, the portable device is further configured to provide a feedback indicating that the portable device is entered into the voice recognition service mode. ### Claim 7 (depends on 1) The portable device according to claim 1, wherein if the gesture pattern sensed by the motion sensor corresponds to the voice recognition service triggering gesture, the sensor hub is further configured to activate the audio sensor and, upon receipt of a command requesting entry into the voice recognition service mode by the audio sensor, the sensor hub makes the portable device enter into the voice recognition service mode by activating the main processor. ### Claim 8 (depends on 1) The portable device according to claim 1, wherein when the sensor hub activates the audio sensor, the sensor hub is further configured to control a sampling rate for processing sensing data. ### Claim 9 (depends on 4) The portable device according to claim 4, wherein the vibration pattern includes a plurality of vibrations with at least one peak and is identified by at least one of magnitudes of the plurality of vibrations and an interval between the plurality of vibrations. ### Claim 10 (depends on 9) The portable device according to claim 9, wherein the sensor hub is further configured to determine whether a part of a first vibration and at least one vibration after the first vibration in the vibration pattern match the voice recognition service triggering gesture. ### Claim 11 A method for providing a voice recognition service in a portable device, the method comprising: activating, by a mechanical vibration sensor, a sensor hub by transmitting an electrical signal to the sensor hub when sensing vibrations having a magnitude equal to or larger than a threshold; activating, by the sensor hub, a motion sensor connected to the sensor hub; and transmitting, by the sensor hub, a signal to the main processor, the signal activating the main processor and switching the portable device from standby mode to voice recognition service mode. ### Claim 12 (depends on 11) The method according to claim 11, wherein when the portable device is in the standby mode, the mechanical vibration sensor is in an active state, and the motion sensor, the audio sensor, the sensor hub, and the main processor are in an inactive state. ### Claim 13 (depends on 11) The method according to claim 11, wherein when the portable device is switched to the voice recognition service mode, the portable device receives a voice command by an audio sensor and provides a result of processing the voice command. ### Claim 14 (depends on 11) The method according to claim 11, wherein the gesture pattern is identified by a vibration pattern by the motion sensor. ### Claim 15 (depends on 11) The method according to claim 11, further comprising, if the gesture pattern corresponds to the voice recognition service triggering gesture, providing a feedback confirming whether to enter the voice recognition service mode by the sensor hub. ### Claim 16 (depends on 11) The method according to claim 11, further comprising, when the portable device enters the voice recognition service mode, providing a feedback indicating that the portable device is entered into the voice recognition service mode. ### Claim 17 (depends on 11) The method according to claim 11, wherein the step of activating the main processor further comprises: activating, by the sensor hub, an audio sensor; and activating, by the sensor hub, the main processor when receiving a command requesting entry into the voice recognition service mode by the audio sensor. ### Claim 18 (depends on 11) The method according to claim 11, further comprising: activating, by the sensor hub, an audio sensor; and controlling, by the sensor hub, a sampling rate for processing sensing data when the audio sensor is activated. ### Claim 19 (depends on 14) The method according to claim 14, wherein the vibration pattern includes a plurality of vibrations with at least one peak and is identified by at least one of magnitudes of the plurality of vibrations and an interval between the plurality of vibrations. ### Claim 20 (depends on 19) The method according to claim 19, further comprising determining by the sensor hub whether a part of a first vibration and at least one vibration after the first vibration in the vibration pattern match the voice recognition service triggering gesture.