Abstract: The present invention provides a force feedback device. The force feedback device includes: a base; a trigger assembly, the trigger assembly including a trigger body, a connecting portion, a trigger, and an arc portion, the connecting portion being supported on the base through a first transmission shaft and forming a rotational connection; a driving assembly, the driving assembly including a driving unit and a second transmission shaft, the second transmission shaft being arranged opposite to the arc portion; the second transmission shaft including a transmission shaft body connected to the driving unit and a spiral groove formed on the transmission shaft body and extending along an axial direction of the transmission shaft body; and a transmission medium, the transmission medium being arranged, in a surrounding manner, in the spiral groove of the second transmission shaft.

Abstract: A method for driving vibration based on micro-touch, including: acquiring, according to a given input of a touch interface, a plurality of node coordinates of a dynamic effect model corresponding to the given input and a total duration of the node coordinates; generating a dynamic effect curve according to the plurality of node coordinates and the total duration; obtaining a vibration characteristic curve from the dynamic effect curve according to a preset mapping rule; and generating a vibration driving file based on the vibration characteristic curve. The vibration driving file is configured to drive a vibrating motor to vibrate. An apparatus for driving vibration, an electronic device, and a computer-readable storage medium are also provided. The method for driving vibration based on micro-touch and the related device can achieve generation of an appropriate micro-touch interaction effect according to animation matching of application scenes, and bring better user experience.

Abstract: A force feedback device includes a base, an airbag, a button and an air pump. The base is equipped with an air guide hole penetrating therethrough. The airbag is equipped with an inflation aperture, and the airbag is attached to one side of the base. The button is fixed on one side of the airbag away from the base. The air pump is fixed on one side of the base away from the airbag. An output end of the air pump passes through the air guide hole to be fixedly connected to the airbag, and forms a sealed connection with the airbag via the inflation apertures.

Abstract: A three-dimensional vibration control method includes: acquiring, when a trigger event is received, current state data of the electronic device and application software information associated with the trigger event; determining a holding type corresponding to the trigger event according to current state data and application software information; wherein holding type includes fully folded vertical one-handed holding, fully folded horizontal two-handed holding, half folded horizontal two-handed holding, fully unfolded vertical two-handed holding, and fully unfolded horizontal two-handed holding; determining a corresponding vibration scheme according to the holding type; and controlling the actuators to enter a vibration operating state correspondingly based on the vibration scheme.

Abstract: The present invention provides a lifting assembly of electronic equipment, and electronic equipment. The lifting assembly includes a first mounting frame, a second mounting frame, a lifting body, a drive coil and a first magnetic element. The lifting assembly is controlled to move by means of controlling the drive coil to be powered on or powered off, thus improving the stability and reliability of the motion of the lifting assembly, reducing the risk of damage to the lifting assembly caused by manual pressing, prolonging the service life of the lifting assembly, simplifying operations of a user, and enhancing the use experience of the user.

Abstract: A method for adjusting a strap of a VR device is provided and includes a method for tightening the strap. The method for tightening the strap includes obtaining, by tightening trigger, a tightening trigger signal; controlling, by PCB, a driver to drive a transmission component according to the tightening trigger signal to drive first and second straps to be tightened synchronously; obtaining, by pressure sensor, a pressure value of a preset part; and when the pressure value reaches a first preset value, controlling, by PCB, the driver to stop driving the transmission component according to a first pressure sensor signal, such that first and second straps are synchronously tightened to an appropriate position. The method automatically adjusts the tightness of straps, reducing user's operation processes and making it convenient and faster for the user to wear the VR device. The method can ensure moderate tightness for all user head shapes.

Abstract: Provided are a method for generating a haptic feedback signal, an electronic device, and a storage medium. The method includes: acquiring an initial haptic feedback signal; mapping an initial haptic feedback signal from a time domain to a frequency domain to obtain an initial spectrogram of the initial haptic feedback signal in the frequency domain; adjusting an amplitude value of a harmonic component of any frequency band in the initial spectrogram to obtain a target spectrogram; and mapping a signal corresponding to the target spectrogram from the frequency domain to the time domain to obtain a target haptic feedback signal. In the present application, a large number of haptic feedback signals with different haptic feedback effects may be obtained by adjusting the amplitude value of the harmonic component of any frequency band in the initial spectrogram, thereby effectively improving the richness of the haptic feedback signals.

Abstract: A motor control method, a terminal device, and a non-transitory computer-readable storage medium are provided. The method includes the following: storing a plurality of groups of motor parameters in advance, where each group of motor parameters include a vibration frequency and a vibration amplitude of a corresponding motor; displaying a plurality of selection buttons on a user interface; obtaining a group of motor parameters corresponding to a triggered selection button as target motor parameters, in response to detecting that any selection button of the plurality of selection buttons is triggered; and driving a motor of the terminal device to vibrate according to the target motor parameters. With aid of the solutions of the disclosure, a plurality of motor vibration effects can be realized on one terminal device, and the switching operation of different vibration effects is simple and convenient, and the switching efficiency is high.

Abstract: The invention provides a haptic feedback data processing method. During the running of the preset application process, the haptic feedback data of the actuator is collected in real time. At the time of reference data sampling, all collected haptic feedback data are integrated and processed to generate recorded data. Store the executable data corresponding to the recorded data. Through the implementation of the present invention, the haptic feedback data generated in real time is recorded and stored during the running of the application. Therefore, in the application data playback scenario, the haptic feedback data during the running of the application can be output accordingly, which can provide users with a more extreme recording file playback experience.

Abstract: A method for haptic feedback, a device for haptic feedback, and a storage device are provided. The method includes the following. In response to a session information editing operation from a first user, session information is generated, where the session information includes Morse code character information. In response to a sending operation from the first user, the session information is sent to a data platform for a second electronic device to obtain the session information from the data platform and to generate haptic feedback according to the session information. In the technical solutions provided in the embodiments of the disclosure, information is sent through the Morse code by utilizing the characteristics of the Morse code, thus simplifying the communication process, improving the interest in the communication process, and improving the user experience.

Abstract: Provided is a force feedback apparatus, including a rotation shaft, a force feedback module fixed to the rotation shaft, and a trigger movably connected to the rotation shaft. The force feedback module includes a housing fixed to the rotation shaft and having a first opening and a force feedback assembly received in the housing. The force feedback assembly includes a sliding block, an ejector pin, a first driving element, a second driving element, and a transmission portion fixed to the sliding block and extending through the first opening to abut against the trigger. The first driving element interacts with the second driving element to drive the ejector pin to drive the transmission portion to move to realize force feedback on the trigger. The force feedback apparatus requires no additional transmission structure and directly provides force feedback for the trigger in a timely manner, thereby reducing the assembly difficulty.

Abstract: The present application provides a force feedback device, including a base; a button assembly, comprising a button body, a button formed by protruding and extending the button body away from the base, a first rotary shaft connected to one side of the button body close to the base and rotatably connected to the base, and a swing rod formed by extending on one side of the button body close to the base and rotatably connected to the first rotary shaft; a driving assembly including a driving unit fixed to one side of the base and an output shaft connected to the driving unit; a gear assembly rotatably arranged on the base. One end of the gear assembly is connected to the output shaft, and the other end thereof is connected to the swing rod.

Abstract: Provided are a device and method for automatic diopter adjusting. The device and method are applied to VR glasses and achieve a desirable automatic VR diopter adjustment effect. The device includes: a barrel holder, a display module, a diopter adjusting lens assembly, at least two guide slots, an adjusting ring, a processor, a pupil image acquisition unit, and a transmission assembly. The pupil image acquisition unit acquires a pupil image displayed by the display module and transmits the pupil image to the processor. The processor determines whether diopter adjustment is needed, generates adjustment driving information, and drives the transmission assembly according to the adjustment driving information to work. The transmission assembly drives the adjusting ring to rotate, thereby driving the diopter adjusting lens assembly to rotate to adjust a distance between the diopter adjusting lens assembly and the display module, and realize adjustment on the diopter.

Abstract: The present disclosure provides a vibrator driving method, including steps of: obtaining a preset vibration frequency and a resonant frequency of a target vibration motor; obtaining total harmonic distortion of the target vibration motor; obtaining at least one low distortion point of the target vibration motor according to the total harmonic distortion; obtaining a target vibration frequency according to a low distortion frequency of at least one low distortion point and the preset vibration frequency; driving the target vibration motor to vibrate according to the target vibration frequency. The present disclosure further provides a vibration driving system and a vibration driving equipment.

Abstract: The present invention provides an information processing method, including steps of: obtaining multimedia information; obtaining environmental information corresponding to the multimedia information. According to multimedia information and environmental information, determine the tactile feedback. When a tactile multimedia output operation is received, out multimedia information. At the same time, output the corresponding tactile feedback effect. The present invention can enable the user to experience not only visual and/or auditory information but also tactile information when listening to or watching multimedia information.

Abstract: Provided is a force feedback apparatus, including a housing, a rotation shaft fixed to the housing, a trigger movably connected to the rotation shaft and movable relative to the housing, and a force feedback assembly. The force feedback assembly includes a driving magnet fixed to a side of the trigger toward the housing, an iron core fixed to the housing and arranged opposite to the driving magnet, and a driving coil wound around the iron core. The driving coil is energized to interact with the driving magnet to generate force feedback on the trigger. The force feedback apparatus requires no additional transmission structure and directly provides force feedback through interaction between two driving elements, thereby realizing timely force feedback on the trigger and reducing the assembly difficulty while simplifying the structure. In addition, forces in two directions can be directly generated on the trigger by changing a driving current.

Abstract: The present disclosure discloses a force feedback device including a supporting bracket, a trigger hinged to the supporting bracket through a rotating shaft, a transmission shaft connected to the trigger, a driving assembly for providing an acting force to the trigger through the transmission shaft, and a reset member. A direction of the acting force is opposite to a direction of pulling the trigger. The driving assembly includes a magnetic circuit system and a coil fixed to the transmission shaft and generating an electromagnetic induction force with the magnetic circuit system. The electromagnetic induction force is transmitted to the trigger through the transmission shaft for forming the acting force. A handle using the force feedback device is also disclosed. The force feedback device and the handle disclosed by the present disclosure enable users to obtain richer game experiences according to different game scenarios.

Abstract: The present invention provides a driving voltage generation method of a linear motor, and linear motor driving voltage generation device performing same. The driving voltage voltage generation method of a linear motor includes the following. Define the displacement waveform of the linear motor’s vibrator within a preset period and the displacement waveform is an asymmetrical waveform. Calculate the voltage waveform corresponding to the linear motor in the preset period according to the displacement waveform. The present invention is designed to use the driving voltage generated by the driving voltage generation method to effectively control the linear motor to express the vibration effect in a specific direction.

Abstract: The present disclosure relates to a steering wheel, a steering wheel vibration prompt system and a vehicle incorporating such a steering wheel. The steering wheel includes a steering wheel body, a flexible support member, a vibration member and a vibrator. The steering wheel body is provided with an accommodation space. The vibration member is connected to the flexible support member and is suspended and supported on the steering wheel body by the flexible support member. The vibrator is connected to the vibration member and drives the vibration member to vibrate. The vibrator of the steering wheel and the sensor device cooperate with each other, and the vibrator performs a vibration action according to the output signal of the sensor device, and then drives the vibration member to perform corresponding vibration actions.