Wearable device, electronic system and device, tactile feedback method and storage medium

A wearable device with tactile feedback, comprising:

• an electromagnetic coil set, a driving circuit and a control circuit,
• wherein the driving circuit is coupled with the electromagnetic coil set;
• the control circuit is configured to control the driving circuit to generate and output a coil current corresponding to the electromagnetic coil set to the electromagnetic coil set according to a control command;
• and
• the electromagnetic coil set is configured to receive the coil current and generate the tactile feedback based on the coil current,
• wherein the electromagnetic coil set includes a plurality of electromagnetic coils, and the coil currents of the plurality of electromagnetic coils are different from each other,
• the electromagnetic coil set is configured to generate a plurality of magnetic fields under the action of the coil currents, each of the plurality of electromagnetic coils is configured to generate a magnetic field under the action of the coil currents, the plurality of electromagnetic coils is configured to generate the plurality of magnetic fields,
• the tactile feedback includes feedback of a repulsive force generated according to mutual repulsion of the plurality of magnetic fields generated by the plurality of electromagnetic coils, feedback of an attractive force generated according to mutual attraction of the plurality of magnetic fields generated by the plurality of electromagnetic coils, or feedback of combination of the repulsive force generated according to mutual repulsion of one portion of the plurality of magnetic fields generated by the plurality of electromagnetic coils and the attractive force generated according to mutual attraction of another portion of the plurality of magnetic fields generated by the plurality of electromagnetic coils,
• the plurality of electromagnetic coils respectively correspond to different regions of a human body, the tactile feedback is generated by a mutual attraction or a mutual repulsion between the magnetic fields of the electromagnetic coils positioned at the difference regions of the human body,
• the electromagnetic coil set comprises a first electromagnetic coil and a sixth electromagnetic coil, a first coil current I1 and a second coil current I2 are respectively provided to the first electromagnetic coil and the sixth electromagnetic coil, directions of the first coil current I1 and the second coil current I2 are opposite, and when it is viewed towards a first direction, a current direction of the first coil current I1 is anticlockwise and a current direction of the second coil current I2 is clockwise, and it is viewed towards a second direction, the current direction of the first coil current I1 is clockwise and the current direction of the second coil current I2 is anticlockwise, a magnetic field along the first direction is generated in the first electromagnetic coil, and a magnetic field along the second direction is generated in the sixth electromagnetic coil, and the first direction and the second direction are in parallel to each other and opposite in direction, a north pole N of the magnetic field generated by the first electromagnetic coil and a north pole N of the magnetic field generated by the sixth electromagnetic coil repulse each other, a repulsive force which acts between fingers and a palm is generated by a mutual repulsion of the first electromagnetic coil and the sixth electromagnetic coil, tactile feedback is generated so as to enable the user to generate tactility.