TWI613577B - Vibration haptic control system and method thereof - Google Patents

Abstract

A vibration haptic control system is applied to a touch display module. A cover is provided on the surface of the touch display module. The cover includes a plurality of sub-areas. The vibration haptic control system includes a lookup table and an acquisition module. Groups, actuators, and a multi-stage circuit. The lookup table is a complex voltage value corresponding to the output of the sub-regions when the sub-regions including the cover plate are detected to be pressed. The invention also discloses a vibrotactile control method. By using the acquisition module to find a corresponding voltage value that the multi-stage circuit should output in the lookup table according to the detected sub-area, the intensity of the vibration and tactile feedback in different sub-areas of the cover plate is made uniform. In addition, the cover plate is shaken uniformly.

Description

Vibration tactile control system and method

The invention relates to a vibrotactile control system and a method thereof, in particular to finding a corresponding voltage value that the multi-stage circuit should output in the lookup table according to a sub-area where a pressing is detected by an acquisition module, and The actuator vibrates according to the corresponding voltage value, which makes the vibration tactile feedback intensity of different sub-regions of the cover plate uniform, and further makes the cover plate vibration uniform and a tactile haptic control system and method thereof.

Due to the structure of the touch display module, the intensity of the vibration and tactile feedback generated by the actuator on the cover plate is uneven at different frequencies and different positions.

Even if the structure is improved, there are still some structures that cannot be adjusted uniformly at different frequencies, which will still cause the vibration tactile feedback intensity to be uneven.

The Republic of China Patent Publication No. 201525771 discloses a panel touch feedback vibration device for use on a touch panel. The touch panel has a touch response circuit, and the present invention mainly includes a piezoelectric (piezo) vibration unit. The piezoelectric vibration unit is disposed on the back of the touch panel. The piezoelectric vibration unit is connected to a vibration circuit, and the vibration circuit is connected to the touch response circuit. Thereby, when the touch panel senses the user's touch, the touch response circuit sends a signal to activate the vibration circuit to drive the piezoelectric vibration unit to vibrate the touch panel, so that the vibration is fed back to For a user who touches the touch panel, the user knows that the touch action is completed by vibration.

Chinese Patent No. CN204965396U discloses a capacitive touch screen with haptic feedback, including a display screen 1 and a capacitive touch screen 2 covering the display screen; it also includes a pressure-sensitive detector 3, a vibration motor 4, and a main controller. The pressure sensitive sensor is arranged below the display screen and is electrically connected to the capacitive touch screen; the output ends of the capacitive touch screen 2 and the pressure sensitive sensor 3 are connected to the input of the main controller and connected to the main control; The output of the device is connected to a vibration motor.

However, the touch feedback device of the above patent does not solve the unevenness of the vibration tactile feedback generated by the actuator on the cover.

Therefore, how to design a touch feedback device and method that solves the problem of uneven strength of vibration and tactile feedback generated by actuators on the cover at different frequencies and different positions has become a common expectation of related equipment manufacturers and R & D personnel. aims.

The present inventor, in view of the fact that the conventional touch feedback device cannot solve the problem of unevenness in the strength of the vibration and tactile feedback generated by the actuator on the cover plate at different frequencies and different positions, has actively started to develop, so as to be able to After improving the existing shortcomings mentioned above, the invention has finally been developed through continuous experiments and efforts.

A first object of the present invention is to provide a vibrotactile control system that, at different frequencies and different positions, still makes the intensity of the vibrotactile feedback generated by the actuator on the cover plate uniform.

A second object of the present invention is to provide a vibrotactile control method that makes the vibrotactile feedback intensity generated by the actuator on the cover plate even at different frequencies and different positions.

In order to achieve the above object, the vibration haptic control system of the present invention is applied to a touch display module. The touch display module is provided with a cover on the surface thereof, the cover includes a plurality of sub-areas, and the vibration haptic control system includes A lookup table, an acquisition module, an actuator, and a multi-stage circuit.

The lookup table is a complex voltage value corresponding to the output of the sub-regions when the sub-regions including the cover plate are detected to be pressed.

The acquisition module is connected with the touch display module and the look-up table, and detects the sub-area where the cover is pressed, and then finds out in the look-up table according to the sub-area where the press is detected. A corresponding voltage value of the output.

The actuator is disposed on the cover.

The multi-stage circuit is connected to the actuator and the acquisition module to receive the corresponding voltage value and output the corresponding voltage value to the actuator, and the actuator vibrates according to the corresponding voltage value.

Wherein, the acquisition module finds a corresponding voltage value that the multi-stage circuit should output in the lookup table according to the sub-area where the pressing is detected, and the actuator vibrates according to the corresponding voltage value. , To make the tactile feedback intensity of different sub-regions of the cover uniform.

In order to achieve the above-mentioned object, the vibration haptic control method of the present invention is applied to a touch display module. A cover is disposed on the surface of the touch display module. The cover includes a plurality of sub-areas. The vibration haptic control method is Including steps: Step A: providing a look-up table, an acquisition module, an actuator, and a multi-stage circuit, wherein the actuator is provided on the cover; Step B: storing the cover in the look-up table When these sub-areas are detected to be pressed, the sub-areas generate a complex voltage value corresponding to the output with a uniform feedback intensity; Step C: The acquisition module detects the sub-area where the cover is pressed, and according to the detected Go to the pressed sub-area to find a corresponding voltage value in the lookup table; Step D: The multi-stage circuit receives the corresponding voltage value and outputs the corresponding voltage value to the actuator; and Step E: The actuator vibrates according to the corresponding voltage value;

Wherein, the acquisition module finds a corresponding voltage value that the multi-stage circuit should output in the lookup table according to the sub-area where the pressing is detected, and the actuator vibrates according to the corresponding voltage value. It ensures that the intensity of the vibration and tactile feedback in different sub-regions of the cover plate is uniform.

In order to make those skilled in the art understand the purpose of the present invention, the preferred embodiments of the present invention are described in detail below with reference to the drawings.

Please refer to FIG. 1. The vibration haptic control system (1) of the present invention is applied to a touch display module (2). A cover (not shown) is provided on the surface of the touch display module (2). The cover (not shown) includes a plurality of sub-areas (not shown). The vibrotactile control system (1) includes a lookup table (10), an acquisition module (11), an actuator (12), and A multi-order circuit (13).

The lookup table (10) is a complex voltage value corresponding to the output of the sub-regions when the sub-regions including the cover plate are detected to be pressed.

The acquisition module (11) is connected to the touch display module (2) and the look-up table (10), and detects the sub-region where the cover is pressed, and according to the sub-region where the pressing is detected Find a corresponding voltage value in the lookup table (10).

The actuator (12) is disposed on the cover.

The multi-stage circuit (13) is connected to the actuator (12) and the acquisition module (11) to receive the corresponding voltage value and output the corresponding voltage value to the actuator (12). The actuator (12) vibrates according to the corresponding voltage value.

Wherein, the acquisition module (11) finds a corresponding voltage value that the multi-stage circuit (13) should output in the lookup table (10) according to the sub-region where the pressing is detected, and the actuation The device (12) vibrates according to the corresponding voltage value, and makes the vibration tactile feedback intensity of different sub-regions of the cover plate uniform.

In a preferred embodiment of the present invention, the actuator (12) is one of an eccentric rotary block motor, a linear resonance actuator, or a piezoelectric actuator.

In a preferred embodiment of the present invention, the lookup table (10) is stored in a microprocessor or a driver.

In a preferred embodiment of the present invention, the microprocessor or the driver is disposed in the touch display module (2).

Please refer to FIG. 1 and FIG. 2. Please refer to FIG. 1. The vibration haptic control method (3) of the present invention is applied to the touch display module (2), and the surface of the touch display module (2) The cover plate is provided, the cover plate includes a plurality of sub-areas, and the vibrotactile control method (3) includes steps: Step 300: providing a lookup table (10), an acquisition module (11), and an actuator (12) And a multi-stage circuit (13), wherein the actuator (12) is disposed on the cover; step 301: pressing is detected in the sub-areas storing the cover in the lookup table (10) At this time, the sub-regions generate a complex voltage value corresponding to the output with a uniform feedback intensity; Step 302: The acquisition module (11) detects the sub-region where the cover is pressed, The lookup table (10) finds a corresponding voltage value that should be output; step 303: the multi-stage circuit (13) receives the corresponding voltage value and outputs the corresponding voltage value to the actuator (12); and steps 304: The actuator (12) vibrates according to the corresponding voltage value.

Wherein, the acquisition module (11) finds a corresponding voltage value that the multi-stage circuit (13) should output in the lookup table (10) according to the sub-region where the pressing is detected, and the actuation The device (12) vibrates according to the corresponding voltage value, and makes the vibration tactile feedback intensity of different sub-regions of the cover plate uniform.

On the other hand, the touch display module (2) can accurately feedback the position of finger contact on the touch panel. The touch-sensitive wave patterns of different frequencies establish the look-up table (10) at different positions on the cover plate and store them in a A microprocessor or a driver program adjusts different gains through the finger contact positions fed back by the touch display module (2), so that the intensity of the tactile feedback at each position is uniform, and the cover plate is evenly shaken.

In a preferred embodiment of the present invention, the actuator (12) is one of an eccentric rotary block motor, a linear resonance actuator, or a piezoelectric actuator.

In a preferred embodiment of the present invention, the lookup table (10) is stored in a microprocessor or a driver.

In a preferred embodiment of the present invention, the microprocessor or the driver is disposed in the touch display module (2).

Therefore, the vibration haptic control system and the vibration haptic control method of the present invention find a corresponding voltage value that the multi-stage circuit should output in the look-up table according to the detected sub-area by the acquisition module, and actuate The device vibrates according to the corresponding voltage value, which makes the vibration tactile feedback intensity of the different sub-regions of the cover plate uniform, thereby making the cover plate vibration even. On the other hand, the touch display module can accurately feedback the position of finger contact on the touch panel. The touch-sensitive wave patterns of different frequencies establish the look-up table at different positions on the cover and store them in a microprocessor or a driver. The program adjusts different magnifications through the finger contact positions fed back by the touch display module, so that the vibration and tactile feedback strength of each position is uniform, and the cover plate is shaken uniformly. Furthermore, its structural form is not something that can be easily reached by those in the technical field to which it belongs, and it is undoubtedly novel and progressive.

Through the above detailed description, it can fully show that the purpose and efficacy of the present invention are progressive in implementation, have great industrial utility value, and are new inventions that have never been seen on the market today, and fully meet the requirements of invention patents , Apply according to law. The above descriptions are merely preferred embodiments of the present invention, and should not be used to limit the scope of implementation of the present invention. That is to say, all equal changes and modifications made according to the scope of the patent of the present invention should fall within the scope of the patent of the present invention. I ask your reviewing committee to make a clear reference and pray for your approval.

(1) ‧‧‧Vibration Haptic Control System
(10) ‧‧‧ Lookup Table
(11) ‧‧‧Get Module
(12) ‧‧‧Actuator
(13) ‧‧‧Multi-Order Circuit
(2) ‧‧‧Touch display module
(3) ‧‧‧Vibration and haptic control method
300‧‧‧ steps
301‧‧‧step
302‧‧‧step
303‧‧‧step
304‧‧‧step

FIG. 1 is a schematic diagram of a vibration tactile control system of the present invention applied to a touch display module; and FIG. 2 is a flowchart of steps of the vibration tactile control method of the present invention.

(1) ‧‧‧Vibration Haptic Control System

(10) ‧‧‧ Lookup Table

(11) ‧‧‧Get Module

(12) ‧‧‧Actuator

(13) ‧‧‧Multi-Order Circuit

(2) ‧‧‧Touch display module

Claims (10)

A vibration tactile control system is applied to a touch display module. A cover is provided on the surface of the touch display module. The cover includes a plurality of sub-areas. The vibration tactile control system includes: a look-up table including When the sub-areas of the cover plate are detected to be pressed, the sub-areas generate a plurality of voltage values corresponding to the output with a uniform feedback intensity; an acquisition module is connected with the touch display module and the look-up table, and detects Measure the sub-area where the cover is pressed, and find a corresponding voltage value that should be output in the look-up table according to the sub-area where the cover is detected; an actuator is provided on the cover; and A multi-stage circuit is connected to the actuator and the acquisition module to receive the corresponding voltage value and output the corresponding voltage value to the actuator, and the actuator vibrates according to the corresponding voltage value; Wherein, the acquisition module finds a corresponding voltage value that the multi-stage circuit should output in the lookup table according to the sub-area where the pressing is detected, and the actuator vibrates according to the corresponding voltage value. , Let the sub-regions cover different vibration intensity uniform tactile feedback. The vibration and haptic control system according to item 1 of the patent application scope, wherein the actuator is one of an eccentric rotary block motor, a linear resonance actuator, or a piezoelectric actuator. The vibration and haptic control system according to item 1 of the patent application scope, wherein the lookup table is stored in a microprocessor or a driver. The vibrotactile control system according to item 2 of the patent application scope, wherein the lookup table is stored in a microprocessor or a driver. According to the vibration haptic control system described in item 3 or 4 of the scope of patent application, wherein the microprocessor or the driver is disposed in the touch display module. A vibrotactile control method is applied to a touch display module. A cover is provided on the surface of the touch display module. The cover includes a plurality of sub-areas. The vibrotactile control method includes steps: Step A: Provide a A look-up table, an acquisition module, an actuator, and a multi-stage circuit, wherein the actuator is disposed on the cover; step B: the sub-areas where the cover is stored in the look-up table are detected When pressed, the sub-regions generate a plurality of voltage values corresponding to the output with a uniform feedback intensity. Step C: The acquisition module detects the sub-region where the cover is pressed, and the sub-region is detected in the sub-region according to the detected sub-region. Find a corresponding voltage value that should be output from the lookup table; Step D: The multi-stage circuit receives the corresponding voltage value and outputs the corresponding voltage value to the actuator; and Step E: The actuator is based on the corresponding The voltage value is vibrated; wherein, the acquisition module finds a corresponding voltage value that the multi-stage circuit should output in the lookup table according to the sub-area where the pressing is detected, and the actuator is based on the Corresponding electricity Vibration values, so that different sub-regions of the line cover vibrotactile feedback uniform intensity. The vibration and haptic control method according to item 6 of the application, wherein the actuator is one of an eccentric rotary block motor, a linear resonant actuator, or a piezoelectric actuator. The vibrotactile control method according to item 6 of the patent application scope, wherein the lookup table is stored in a microprocessor or a driver. The vibrotactile control method according to item 7 of the patent application scope, wherein the lookup table is stored in a microprocessor or a driver. According to the vibration haptic control method described in item 8 or item 9 of the patent application scope, wherein the microprocessor or the driver is disposed in the touch display module.