Abstract: Devices and systems for providing neurostimulation to a target location, may include an implantable neurostimulator device including a first transducer device that includes a gas matrix piezoelectric (GMP) array or a piezoelectric micromachined ultra-sound transducer (pMUT) array; the implantable neurostimulator device has a length of 5 mm to 20 mm and a diameter of 1 mm to 5 mm and an energy delivery device including a second transducer device; the second transducer device includes a gas matrix piezoelectric (GMP) array, a polymer matrix piezocomposite array, a capacitive micro-machined acoustic transducer (cMUT) array, or a pMUT ar-2024/097917 ray; and a beam-forming processor to cause the second transducer device to produce an acoustic wave, the implantable neurostimulator device is to receive the acoustic wave from the energy delivery device, convert the acoustic wave to an electrical energy signal, and apply the electrical energy signal.

Abstract: Devices for providing an acoustic wave to a target location include at least one transducer device and at least one beam-forming processor to cause the at least one transducer device to produce a first acoustic wave, the first acoustic wave includes a plurality of pulses having a pulse repetition frequency, where a pulse width of each pulse is in a range of 10 ns to 10 ?s and the pulse repetition frequency is in a range of 1 Hz to 50 Hz, receive data associated with a second acoustic wave, wherein the second acoustic wave is a reflection of the first acoustic wave, determine a characteristic of the second acoustic wave, and determine whether to change a beam path of an acoustic wave produced by the at least one transducer device based on the characteristic of the second acoustic wave. Methods and computer program products are also disclosed.

Abstract: A phased ultrasonic transducer and method for transmitting sound or ultrasound through a gaseous medium into a solid spectrum with ultrasound beam steering and focusing.

Abstract: Devices for providing an acoustic wave to a target location include at least one transducer device and at least one beam-forming processor to cause the at least one transducer device to produce a first acoustic wave, the first acoustic wave includes a plurality of pulses having a pulse repetition frequency, where a pulse width of each pulse is in a range of 10 ns to 10 ?s and the pulse repetition frequency is in a range of 1 Hz to 50 Hz, receive data associated with a second acoustic wave, wherein the second acoustic wave is a reflection of the first acoustic wave, determine a characteristic of the second acoustic wave, and determine whether to change a beam path of an acoustic wave produced by the at least one transducer device based on the characteristic of the second acoustic wave. Methods and computer program products are also disclosed.

Abstract: A phased ultrasonic transducer and method for transmitting sound or ultrasound through a gaseous medium into a solid spectrum with ultrasound beam steering and focusing.

Abstract: A phased ultrasonic transducer and method for transmitting sound or ultrasound through a gaseous medium into a solid spectrum with ultrasound beam steering and focusing.

Abstract: An apparatus for sterilization of objects or materials comprises an enclosure for containing a gaseous atmosphere; an acoustically transparent platform located within the enclosure for supporting the objects or materials to be sterilized; one or more non-contact ultrasound transducers positioned within the enclosure and spaced from the platform; and an electric power amplifier for exciting the one or more transducers.

Abstract: A phased ultrasonic transducer and method for transmitting sound or ultrasound through a gaseous medium into a solid spectrum with ultrasound beam steering and focusing.

Abstract: An apparatus for sterilization of objects or materials comprises an enclosure for containing a gaseous atmosphere; an acoustically transparent platform located within the enclosure for supporting the objects or materials to be sterilized; one or more non-contact ultrasound transducers positioned within the enclosure and spaced from the platform; and an electric power amplifier for exciting the one or more transducers.