A portable ultrasound probe is described having a mechanical transducer, rotating mirror, and mirror motor. The transducer can be used for diagnostic imaging and procedural guidance imaging. The probe has a light weight design for easy one-handed use, and can use external processors to provide proper image display with accompanying software.

An ultrasound diagnostic apparatus of the present invention includes: a transmitter that generates and outputs a plurality of drive signals to a transducer of an ultrasound probe, the drive signals causing the transducer to transmit a plurality of transmission ultrasound waves that have different waveforms in a temporally shifted manner, the drive signals being compensated for asymmetry of the transmission sound pressure waveforms of the plurality of transmission ultrasound waves transmitted from the transducer; and a hardware processor configured to extract a harmonic component according to a plurality of reception signals, and generating an ultrasound image based on the extracted harmonic component.

The disclosure relates to the field of spray welding, and involves a method and a device for liquid spray welding, as well as the application method thereof. The method for liquid spray welding specifically comprises the following steps: S1: Solder to be spray-soldered is melted under the protection of an inert gas; S2: Then, the melted solder is spray-soldered while using ultrasonic focusing. The device includes a solder conversion mechanism which consists of a container; the cavity in the container is used for placing the solder; a spraying hole is arranged at the bottom of the container to connect with the cavity, and a heating mechanism is mounted along the outer wall of the container; a device for driving the solder spraying is used to control the frequency of an ultrasonic generating mechanism.

In an ultrasound diagnostic apparatus and an operation method of the ultrasound diagnostic apparatus of the invention, a control circuit performs polarization processing on a plurality of ultrasound transducers in a non-diagnosis period, during which transmission of ultrasound waves and reception of reflected waves for performing ultrasound diagnosis are not performed, in a case where the cumulative driving time of the plurality of ultrasound transducers for performing the ultrasound diagnosis becomes equal to or longer than a specified time. A transmission circuit generates a first transmission signal having a driving voltage for performing ultrasound diagnosis using a pulse generation circuit in the case of performing the ultrasound diagnosis, and generates a second transmission signal having a polarization voltage for performing polarization processing using the same pulse generation circuit as in the case of generating the first transmission signal in the case of performing the polarization processing.

An ultrasonic device includes a driving circuit to provide drive power, a first transducer array to generate ultrasonic waves, the first transducer array being connected to receive power from the driving circuit, and a second transducer array to detect reflected or elicited ultrasonic waves incident on the device from a target and generate a signal based on those waves, the second transducer array being acoustically transmissive and disposed over the first transducer array such that the generated ultrasonic waves pass through the second transducer array. The second array is tuned to operate on top of the first. The functions of the two arrays may be reversed and the array tuned to operate with the first array receiving and the second array transmitting.

An ultrasonic diagnosis and therapy apparatus according to an embodiment may include an ultrasound output unit including a plurality of ultrasound output elements, a circuit board that can be attached and detached through a connecting board connected to the ultrasound output unit to determine a function of the ultrasound output unit, and a control unit configured to control a setting value of each of the plurality of ultrasound output elements, wherein therapy and diagnosis functions are selectively or simultaneously implemented by changing the circuit board. With the ultrasonic diagnosis and therapy apparatus, it is possible to selectively or simultaneously implement the therapy and diagnosis functions by selectively mounting different types of circuit boards that determine the type and function of ultrasound outputted from the ultrasonic transducers.

A microchip (300) for driving a resonant circuit, wherein the resonant circuit is an inductance (L) capacitance (C) circuit (LC tank), an antenna or a piezoelectric transducer, and wherein the microchip (300) is a single unit which includes a plurality of interconnected embedded components and subsystems including at least an oscillator (315), a pulse width modulation (PWM) signal generator subsystem (329), an analogue to digital converter (ADC) subsystem (318) and a digital to analogue converter (DAC) subsystem (327).

Disclosed are systems and methods of operation for capacitive radio frequency micro-electromechanical switches, such as CMUT cells for use in an ultrasound system. An RFMEMS may include substrate, a first electrode connected to the substrate, a membrane and a second electrode connected to the membrane.

An imaging catheter assembly is provided. The imaging catheter assembly includes an interposer including a multi-layered substrate structure, wherein the multi-layered substrate structure includes a first plurality of conductive contact pads coupled to a second plurality of conductive contact pads via a plurality of conductive lines; an imaging component coupled to the interposer via the first plurality of conductive contact pads; and an electrical cable coupled to the interposer via the second plurality of conductive contact pads and in communication with the imaging component.

An imaging device includes a two dimensional array of piezoelectric elements. Each piezoelectric element includes: a piezoelectric layer; a bottom electrode disposed on a bottom side of the piezoelectric layer and configured to receive a transmit signal during a transmit mode and develop an electrical charge during a receive mode; and a first top electrode disposed on a top side of the piezoelectric layer; and a first conductor, wherein the first top electrodes of a portion of the piezoelectric elements in a first column of the two dimensional array are electrically coupled to the first conductor.