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53results about How to "Enhanced Haptic Feedback" patented technology

Virtual reality device and posture perception and tactile reproduction control method

The invention relates to the technical field of virtual reality, and discloses a virtual reality device and a posture perception and tactile reproduction control method. The virtual reality device comprises a glove which can be worn by a user, and the glove is internally provided with: a pressure sensor used for detecting the stress condition of each finger; a micro electronic gyroscope which is used for acquiring an acceleration signal and an angular velocity signal of the glove; a vibration type stimulation control and driving module which is used for generating vibration tactile sensation;and a single chip microcomputer which is used for calculating the position and the posture of the glove according to the acceleration signal and the angular velocity signal of the glove, and outputting an instruction to control the vibration type stimulation control and driving module. The position and the posture of the glove are obtained through calculation by detecting the acceleration signal and the angular velocity signal of the glove in real time, so that the hand action of a user is sensed, the spatial measurement precision is high, the real-time performance is good, the virtual realityequipment simulates touch sense through vibration, and touch sense feedback generated when the user experiences virtual reality is enhanced.
Owner:SUNWODA ELECTRONICS

Vibration signal calibration method, storage medium and electronic equipment

The invention provides a vibration signal calibration method, a storage medium and electronic equipment. The vibration signal calibration method comprises the following steps: firstly, determining a mapping relationship between a vibration effect parameter of a calibration motor and a calibration parameter thereof (the calibration parameter is a parameter reflecting a relationship between a structure parameter of the motor and a vibration displacement of the motor), so that after the initial vibration signal X drives the calibration motor, the detection value of the calibration parameter is obtained; and judging whether the value of the vibration effect parameter corresponding to the negative value of the detection value is superior to the value of the vibration effect parameter corresponding to the detection value in the mapping relation, if so, setting the initial vibration signal to be -X, and if not, setting the initial vibration signal to be X, thus enhancing tactile feedback of the calibration motor. Thus, in the batch use process of the motor, each motor monomer can carry out adaptive calibration on the vibration signal according to the structural parameters of the motor monomer, and the consistency of vibration feedback in the batch use process of the motor is improved, and tactile feedback is enhanced.
Owner:AAC TECH PTE LTD
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