Einzeltreffer — DigiBib

Disclosed is a touch feedback device comprising a touch element, a piezoelectric vibrator (300), a presser detector (700) and a processor. The touch element comprises a frame (100) and a touch screen (200) connected with the frame (100). The piezoelectric vibrator (300) is connected with the touch element, and is used for driving the touch screen (200) to move. The presser detector (700) is connected with the touch element, and is used for detecting the touch pressure applied on the touch screen (200). The processor is connected with the piezoelectric vibrator (300) and the presser detector (700) respectively, and is used for obtaining the touch pressure detected by the presser detector (700) and driving the piezoelectric vibrator (300) to drive, according to the detected touch pressure, the touch screen (200) to generate vibration of a corresponding degree.

Titel:	TOUCH FEEDBACK DEVICE, INTELLIGENT TERMINAL AND VEHICLE
Link:	Zum Volltext
Veröffentlichung:	2022
Medientyp:	Patent
Sonstiges:	Nachgewiesen in: USPTO Patent Applications Sprachen: English Document Number: 20220019286 Publication Date: January 20, 2022 Appl. No: 17/311309 Application Filed: August 29, 2019 Assignees: JIANGXI OUMAISI MICROELECTRONICS CO., LTD. (Nanchang, CN) Claim: 1. A touch feedback device, comprising: a touch element comprising a frame and a touch screen connected to the frame; a piezoelectric vibrator connected to the touch element and configured to drive the touch screen to vibrate; a pressure detector connected to the touch element and configured to detect a touch pressure applied on the touch screen; and a processor connected to the piezoelectric vibrator and the pressure detector, respectively, wherein the processor is configured to obtain the touch pressure detected by the pressure detector, and to drive the piezoelectric vibrator to drive the touch screen to generate a corresponding degree of vibration according to a magnitude of the detected touch pressure. Claim: 2. The touch feedback device according to claim 1, wherein the frame comprises a bottom plate defining an accommodation groove and a support bracket provided in the accommodation groove, the touch screen is connected to the support bracket, and the piezoelectric vibrator is provided in the accommodation groove. Claim: 3. The touch feedback device according to claim 2, wherein the pressure detector comprises a force transmission block and a pressure sensor, the pressure sensor is provided at a bottom of the accommodation groove, the force transmission block is provided between the support bracket and the pressure sensor, the pressure sensor is electrically connected to the processor. Claim: 4. The touch feedback device according to claim 2, wherein the piezoelectric vibrator is provided between a sidewall of the accommodation groove and an outer circumferential wall of the touch screen, the piezoelectric vibrator is configured to drive the touch screen to vibrate in a horizontal direction. Claim: 5. The touch feedback device according to claim 2, wherein the piezoelectric vibrator is provided between a sidewall of the accommodation groove and an outer circumferential wall of the support bracket, the piezoelectric vibrator is configured to drive the touch screen to vibrate in a horizontal direction. Claim: 6. The touch feedback device according to claim 5, wherein the sidewall of the accommodation groove comprises a first sidewall and a second sidewall that are opposite to each other, further comprises a third sidewall and a fourth sidewall that are opposite to each other, the first sidewall is configured to connect an end of the third sidewall and the fourth sidewall, the second sidewall is configured to connect the other end of the third sidewall and the fourth sidewall, and the piezoelectric vibrator is provided on the first sidewall and the second sidewall. Claim: 7. The touch feedback device according to claim 6, further comprising a limiting buffer member provided between the sidewall of the accommodation groove and the outer circumferential wall of the support bracket, and the limiting buffer member is provided on the first sidewall and the second sidewall. Claim: 8. The touch feedback device according to claim 7, wherein two limiting buffer members are provided on the first sidewall, the two limiting buffer members are located on both sides of the piezoelectric vibrator, respectively, and two limiting buffer members are provided on the second sidewall, the two limiting buffer members are located on both sides of the piezoelectric vibrator, respectively. Claim: 9. The touch feedback device according to claim 7, wherein the limiting buffer member is a spring or a rubber. Claim: 10. The touch feedback device according to claim 4, further comprising a fastener, wherein the bottom of the accommodation groove defines a mounting hole, the fastener extends through the mounting hole and is fixed to the support bracket, so as to restrain a movement of the touch screen in a vertical direction. Claim: 11. The touch feedback device according to claim 10, wherein the fastener is a threaded connecting element. Claim: 12. The touch feedback device according to claim 10, further comprising an elastic element provided between the support bracket and the bottom plate and wrapping the fastener. Claim: 13. The touch feedback device according to claim 12, wherein the elastic element is a rubber gasket. Claim: 14. An intelligent terminal, comprising: a terminal body; and the touch feedback device according to claim 1 provided in the terminal body. Claim: 15. A vehicle, comprising: a central control dashboard; and the touch feedback device according to claim 1 provided in the central control dashboard. Current International Class: 06; 01; 01; 06

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TOUCH FEEDBACK DEVICE, INTELLIGENT TERMINAL AND VEHICLE