Wearable focused phased array device for modulation

A method comprising:

• causing, with at least one beam-forming processor, at least one transducer device to produce a first acoustic wave, wherein the first acoustic wave comprises a plurality of pulses having a pulse repetition frequency, wherein a pulse width of each pulse of the plurality of pulses is in a range of 10 ns to 10 μs, and wherein the pulse repetition frequency is in a range of 1 Hz to 50 Hz;
• receiving, with the at least one beam-forming processor, data associated with a second acoustic wave, wherein the second acoustic wave is an acoustic wave that is a reflection of the first acoustic wave;
• determining, with the at least one beam-forming processor, a characteristic of the second acoustic wave, wherein determining the characteristic of the second acoustic wave comprises:
• determining a phase delay between the first acoustic wave and the second acoustic wave, where the phase delay is a difference in time between the first acoustic wave and the second acoustic wave;
• determining an amplitude of the second acoustic wave;
• determining whether the amplitude of the second acoustic wave satisfies a threshold;
• and
• determining, with the at least one beam-forming processor, whether to change a beam path of an acoustic wave produced by the at least one first transducer device based on the characteristic of the second acoustic wave, wherein determining whether to change the beam path of an acoustic wave produced by the at least one first transducer device comprises:
• determining to change the beam path of an acoustic wave produced by the at least one first transducer device from the beam path of the first acoustic wave based on the characteristic of the second acoustic wave.

A non-transitory computer-readable medium including one or more instructions that, when executed by at least one beam-forming processor, cause the at least one beam-forming processor to:

• cause at least one first transducer device to produce a first acoustic wave, wherein the first acoustic wave comprises a plurality of pulses having a pulse repetition frequency, wherein a pulse width of each pulse of the plurality of pulses is in a range of 10 ns to 10 μs, and wherein the pulse repetition frequency is in a range 1 Hz to 50 Hz;
• receive data associated with a second acoustic wave via a second transducer device, wherein the second transducer device comprises a detection transducer device that is configured to receive an acoustic wave that is a reflection of an acoustic wave provided by the at least one first transducer device and provides data associated with the reflection of the acoustic wave, and wherein the second acoustic wave is a reflection of the first acoustic wave;
• determine a characteristic of the second acoustic wave, wherein, the one or more instructions that cause the at least one beam-forming processor to determine the characteristic of the second acoustic wave, cause the at least one beam-forming processor to:
• determine a phase delay between the first acoustic wave and the second acoustic wave, wherein the phase delay is a difference in time between the first acoustic wave and the second acoustic wave;
• determine an amplitude of the second acoustic wave;
• and
• determine whether the amplitude of the second acoustic wave satisfies a threshold;
• and
• determine whether to change a beam path of an acoustic wave produced by the at least one first transducer device based on the characteristic of the second acoustic wave, wherein, when determining whether to change the beam path of an acoustic wave produced by the at least one first transducer device, the at least one beam-forming processor is programmed or configured to:
• determine to change the beam path of an acoustic wave produced by the at least one first transducer device from the beam path of the first acoustic wave based on the characteristic of the second acoustic wave.