Method for generating electrical signals and computer-readable medium
An electrical stimulation device is provided. The electrical stimulation device includes a power management circuit and an electrical stimulation generation circuit. The power management circuit generates a first voltage and a second voltage to power the electrical stimulation generation circuit. The electrical stimulation generation circuit includes a working-electrode contact and a reference-electrode contact. The electrical stimulation generation circuit generates a first electrical signal at the working-electrode contact and further generates a second electrical signal at the reference-electrode contact. The first electrical signal comprises a plurality of first alternating-current (AC) pulses configuring to for electrically stimulate a target region of a target object.
1. A method of generating electrical signals for an electrical stimulation device which comprises a power management circuit and an electrical stimulation generation circuit, the method comprising:
electrically connecting the electrical stimulation device to a lead, wherein a working electrode and a reference electrode are disposed on the lead;
generating a first voltage and a second voltage by the power management circuit to power the electrical stimulation generation circuit;
generating a first electrical signal at a first contact according to the first voltage and the second voltage by the electrical stimulation generation circuit, wherein the first contact is coupled to the working electrode through the lead; and
generating a second electrical signal at a second contact by the electrical stimulation generation circuit, wherein the second contact is coupled to the reference electrode through the lead,
wherein the first electrical signal comprises a plurality of first alternating-current (AC) pulses,
wherein the electrical stimulation generation circuit comprises a controller and a first amplifier, and generating the first electrical signal comprises:
generating a frequency signal by the controller;
powering the first amplifier by the power management circuit; and
generating the first electrical signal according to the frequency signal by the first amplifier.
2. The method of generating electrical signals as claimed in claim 1 , further comprising:
providing the first electrical signal and the second electrical signal to a target region of a target object.
3. The method of generating electrical signals as claimed in claim 2 , wherein providing the first electrical signal and the second electrical signal to the target region of the target object comprises:
transmitting the first electrical signal and the second electrical signal to the target region through the working electrode and the reference electrode of the lead.
4. The method of generating electrical signals as claimed in claim 1 , wherein the first voltage is a positive voltage, and the second voltage is a negative voltage.
5. The method of generating electrical signals as claimed in claim 1 , wherein generating the second electrical signal comprises:
coupling the second contact to a ground of the electrical stimulation device to generate the second electrical signal.
6. The method of generating electrical signals as claimed in claim 1 , wherein the first voltage and the second voltage are direct-current voltages with different levels.
7. The method of generating electrical signals as claimed in claim 1 , wherein the second electrical signal is a signal with a fixed voltage level.
8. The method of generating electrical signals as claimed in claim 1 , wherein the electrical stimulation generation circuit further comprises an inverter and a second amplifier, and generating the second electrical signal comprises:
generating an inverted frequency signal according to the frequency signal by the inverter; and
generating the second electrical signal according to the inverted frequency signal by the second amplifier.