# US 2014/0198069 A1 · Portable terminal and method for providing haptic effect to input unit > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0198069 A1 - Document ID: US20140198069A1 - Status: Published application - Kind: A1 - Application number: 14/156,082 - Filed: 2014-01-15 - Published: 2014-07-17 - Earliest claimed: 2013-01-17 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Jin-Hyoung Park; Ju-Youn Lee; Sang-Hyup Lee - Web page: https://patentgrep.com/patent/US20140198069A1 ## CPC - G06F 3/016: {Input arrangements with force or tactile feedback as computer generated output to the user} - G06F 3/03545: {Pens or stylus} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A portable terminal and a method for providing a haptic effect to an input unit are provided. The method includes displaying at least one object on a touch screen, detecting a touch input by the input unit with respect to the object displayed on the touch screen, determining a preset mode based on the detected touch input of the input unit, and transmitting a control signal corresponding to a predetermined haptic pattern based on the preset mode to the input unit. ## Claims ### Claim 1 A method for controlling a haptic effect of an input unit, the method comprising: displaying at least one object on a touch screen; detecting a touch input by the input unit with respect to the object displayed on the touch screen; determining a preset mode based on the detected touch input of the input unit; and transmitting, to the input unit, a control signal corresponding to a predetermined haptic pattern based on the preset mode. ### Claim 2 (depends on 1) The method of claim 1, further comprising determining and storing haptic patterns corresponding to touch inputs of the input unit. ### Claim 3 (depends on 1) The method of claim 1, wherein different haptic patterns apply to different modes for the object displayed on the touch screen. ### Claim 4 (depends on 1) The method of claim 1, wherein the control signal is periodically transmitted to the input unit until movement of the input unit is completed. ### Claim 5 (depends on 3) The method of claim 3, wherein the modes include a first mode of cutting a partial area of the displayed object using the input unit, a second mode of drawing a contour around the displayed object using the input unit, a third mode of controlling the touch screen using the input unit, and a fourth mode of changing a pen type for the input unit. ### Claim 6 (depends on 5) The method of claim 5, wherein the first mode has a haptic pattern corresponding to cutting of a material with scissors, and the haptic pattern periodically repeats a vibration waveform that starts from a vibration strength of 1V, continues at 50 mV for 70 ms, and then returns to the vibration strength of 1V. ### Claim 7 (depends on 5) The method of claim 5, wherein the second mode has a haptic pattern that periodically repeats a vibration waveform that starts from a vibration strength of 1.2V, continues at 20 mV for 70 ms, and then returns to the vibration strength of 1.2V. ### Claim 8 (depends on 5) The method of claim 5, wherein the third mode has a haptic pattern that generates a vibration waveform that start from a vibration strength of 1.5V, continues at 20 mV for 150 ms, and then returns to the vibration strength of 1.5V. ### Claim 9 (depends on 5) The method of claim 5, wherein the fourth mode has a haptic pattern that aperiodically repeats a vibration waveform starting from a vibration strength of 1V, lasting at 50 mV for 100 ms, and returning to the vibration strength of 1V. ### Claim 10 A portable terminal for controlling a haptic effect of an input unit, the portable terminal comprising: a touch screen configured to display at least one object; a controller configured to determine a preset mode based on a touch input by the input unit with respect to the object displayed on the touch screen and to generate a control signal corresponding to a predetermined haptic pattern based on the preset mode; and a transceiver configured to transmit the generated control signal to the input unit. ### Claim 11 (depends on 10) The portable terminal of claim 10, further comprising a memory configured to store information about a plurality of vibrations regarding haptic patterns, for control signal generation, and to store pattern information required to execute predetermined commands according to patterns formed in proceeding directions of the input unit. ### Claim 12 (depends on 10) The portable terminal of claim 10, wherein the controller analyzes movement of the input unit and generates at least one control signal corresponding to a predetermined haptic pattern based on the analysis, while the movement of the input unit continues. ### Claim 13 (depends on 10) The portable terminal of claim 10, wherein if the preset mode is a mode of cutting a partial area of the displayed object, the controller displays a cutting line along a proceeding direction of the input unit, generates a control signal corresponding to a predetermined haptic pattern if the contour line forms a closed loop, and enlarges an area defined by the closed loop. ### Claim 14 (depends on 13) The portable terminal of claim 13, wherein if the closed loop is completed, the controller generates a control signal corresponding to a predetermined haptic pattern. ### Claim 15 (depends on 10) The portable terminal of claim 10, wherein if the preset mode is a mode of drawing a contour around the displayed object, the controller displays a contour in a proceeding direction of the input unit along a virtual contour formed based on the brightness of the displayed object, and calculates a gap between the virtual contour and the contour formed in the proceeding direction of the input unit. ### Claim 16 (depends on 15) The portable terminal of claim 15, wherein if the calculated gap is beyond a predetermined range, the controller generates a control signal corresponding to a predetermined haptic pattern. ### Claim 17 (depends on 10) The portable terminal of claim 10, wherein if the preset mode is a mode of controlling the touch screen using the input unit, when an input pattern formed in a proceeding direction of the input unit is identical a pre-stored pattern, the controller executes a predetermined command corresponding to the pattern and generates a control signal corresponding to the pattern. ### Claim 18 (depends on 10) The portable terminal of claim 10, wherein if the preset mode is a mode of changing a pen type for the input unit, the controller displays an input of the input unit according to a line thickness and color of the changed pen type. ### Claim 19 A method for providing a haptic effect, comprising: storing different haptic patterns to provide a haptic effect to at least one of a portable terminal and an input unit according to movement of the input unit; determining a preset mode based on a touch input by the input unit with respect to an object displayed on a touch screen; and generating vibrations according to a predetermined haptic pattern corresponding to the preset mode. ### Claim 20 (depends on 19) The method of claim 19, further comprising transmitting a control signal corresponding to the predetermined haptic pattern to the input unit, wherein the control signal controls the input unit according to at least one of a vibration length and a vibration cycle of the predetermined haptic pattern. ### Claim 21 (depends on 19) The method of claim 19, further comprising, if movement of the input unit on the touch screen corresponds to one of the stored haptic patterns, controlling the portable terminal according to pattern information corresponding to the stored haptic pattern. ### Claim 22 An input unit for providing a haptic effect, the input unit comprising: a vibration device; a short-range communication module configured to receive, from a portable terminal, a control signal corresponding to a predetermined haptic pattern based on movement of the input unit with respect to an object displayed on a touch screen of the portable terminal; and a haptic controller configured to control the vibration device to vibrate according to the predetermined haptic pattern by analyzing the control signal, wherein the control signal controls at least one of activation, deactivation, a vibration cycle, and a vibration strength of the vibration device. ### Claim 23 (depends on 22) The input unit of claim 22, further comprising a speaker configured to output a sound according to at least one of the vibration cycle and the vibration strength of the vibration device. ### Claim 24 (depends on 23) The input unit of claim 23, wherein the haptic controller controls the speaker to output at least one of a sound corresponding to activation of the vibration device, a sound corresponding to deactivation of the vibration device, and a sound having a volume controlled according to the vibration strength, where the output is maintained for a predetermined time or maintained while the input unit is moving. ### Claim 25 A method for providing a haptic effect in an input unit, the method comprising: receiving, from a portable terminal, a control signal corresponding to a predetermined haptic pattern based on movement of the input unit with respect to an object displayed on a touch screen of the portable terminal; and controlling a vibration device to vibrate according to the predetermined haptic pattern by analyzing the control signal, wherein the control signal controls at least one of activation, deactivation, a vibration cycle, and a vibration strength of the vibration device. ### Claim 26 (depends on 25) The method of claim 25, wherein the control signal includes a predetermined haptic pattern for at least one of a mode of cutting a partial area of an object displayed on the touch screen using the input unit, a mode of drawing around an object displayed on the touch screen using the input unit, a mode of controlling the touch screen using the input unit, and a mode of changing a pen type for the input unit.