# US 11,907,428 B1 · Touch device with pressure sensing and vibration feedback > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,907,428 B1 - Document ID: US11907428B1 - Status: Granted - Kind: B1 - Application number: 17/944,925 - Filed: 2022-09-14 - Published: 2024-02-29 - Granted: 2024-02-20 - Earliest claimed: 2022-08-26 - Assignees: Primax Electronics Ltd. - Applicants: Primax Electronics Ltd. - Inventors: Chieh-Hung Hsieh; Wei-Chiang Huang; Chao-Wei Lee; Hsueh-Chao Chang; Sian-Yi Chiu - Web page: https://patentgrep.com/patent/US11907428B1 ## CPC - G06F 3/016: {Input arrangements with force or tactile feedback as computer generated output to the user} - G06F 3/03547: {Touch pads, in which fingers can move on a surface} - G06F 3/04142: {the force sensing means being located peripherally, e.g. disposed at the corners or at the side of a touch sensing plate} - G06F 2203/04105: Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A touch device includes a touch panel, a circuit board, a vibrating unit and a pressure detection module. The touch panel includes two press regions. When different press regions of the touch panel are pressed by the user, the vibration feedback values generated by different press regions are different. ## Claims ### Claim 1 A touch device, comprising: a touch panel comprising at least two press regions; and a circuit board located under the touch panel and electrically connected with the touch panel, wherein the circuit board comprises: a storage unit comprising a firmware, wherein the firmware contains at least two range coordinate values, at least two press trigger threshold values and at least two driving voltage values corresponding to the at least two press regions; a vibrator that vibrates the touch panel; and a pressure detector that detects a magnitude of an external force pressed on the touch panel, wherein when the external force is applied to a selected press region of the at least two press regions, the magnitude of the external force is detected by the pressure detector, wherein when a coordinate value of the selected press region is within a range coordinate value of the at least two range coordinate values corresponding to the selected press region and the magnitude of the external force reaches a press trigger threshold value of the at least two press trigger threshold values corresponding to the selected press region, the firmware is executed to drive the vibrator to result in vibration according to a corresponding driving voltage value of the at least two driving voltage values, so that the selected press region has a corresponding feedback vibration value. ### Claim 2 (depends on 1) The touch device according to claim 1, wherein the firmware contains a first range coordinate value, a first press trigger threshold value and a first driving voltage value corresponding to a first press region of the at least two press regions and a second range coordinate value, a second press trigger threshold value and a second driving voltage value corresponding to a second press region of the at least two press regions. ### Claim 3 (depends on 2) The touch device according to claim 2, wherein the first press trigger threshold value and the second press trigger threshold value are not equal. ### Claim 4 (depends on 2) The touch device according to claim 2, wherein the first driving voltage value and the second driving voltage value are not equal. ### Claim 5 (depends on 1) The touch device according to claim 1, wherein the pressure detector comprises four pressure detection units. ### Claim 6 (depends on 5) The touch device according to claim 5, wherein every two of the four pressure detection units are opposed to each other. ### Claim 7 (depends on 6) The touch device according to claim 6, wherein the four pressure detection units are respectively aligned with four corners of the touch panel, or the four pressure detection units are aligned with two opposite sides of the touch panel. ### Claim 8 (depends on 1) The touch device according to claim 1, wherein the touch device further comprises a fixing frame, and the fixing frame comprises a concave structure, wherein the touch panel is accommodated within the concave structure, the circuit board is located under the fixing frame, and the circuit board and the touch panel are opposed to each other with respect to the fixing frame. ### Claim 9 (depends on 8) The touch device according to claim 8, wherein the fixing frame further comprises a hollow part, wherein the hollow part is formed in a bottom surface of the concave structure, and the hollow part is aligned with the circuit board. ### Claim 10 (depends on 9) The touch device according to claim 9, wherein the hollow part comprises at least one first opening corresponding to the pressure detector, wherein the pressure detector is exposed through the at least one first opening and contacted with a bottom surface of the touch panel. ### Claim 11 (depends on 9) The touch device according to claim 9, wherein the hollow part comprises a second opening corresponding to the vibrator, wherein the vibrator is exposed through the second opening and contacted with a bottom surface of the touch panel. ### Claim 12 (depends on 9) The touch device according to claim 9, wherein the hollow part comprises a third opening, wherein the circuit board is electrically connected with the touch panel through the third opening. ### Claim 13 (depends on 1) The touch device according to claim 1, wherein the storage unit is a flash memory, an electrically-erasable programmable read-only memory (EEPROM) or a programmable read-only memory (PROM).