An ultrasound observation device is configured to acquire an ultrasound signal obtained by converting ultrasound received by an ultrasound transducer to an electric signal, the ultrasound transducer transmitting the ultrasound to an observation target and receiving ultrasound reflected from the observation target. The ultrasound observation device includes: a processor configured to perform predetermined computation on the ultrasonic signal. The processor is configured to: analyze a frequency of a signal generated based on the ultrasound signal to calculate a plurality of frequency spectra; compare a physical quantity based on the ultrasound reflected from the observation target with a threshold set according to the physical quantity; and calculate a frequency feature based on a frequency spectrum calculated by the analyzing and a comparison result obtained by the comparing.

Exemplary embodiments provide systems and methods for portable medical ultrasound imaging. Preferred embodiments utilize a tablet touchscreen display operative to control imaging and display operations without the need for using traditional keyboards or controls. Certain embodiments provide ultrasound imaging system in which the scan head includes a beamformer circuit that performs far field sub array beamforming or includes a sparse array selecting circuit that actuates selected elements. Exemplary embodiments also provide an ultrasound engine circuit board including one or more multi-chip modules, and a portable medical ultrasound imaging system including an ultrasound engine circuit board with one or more multi-chip modules. Exemplary embodiments also provide methods for using a hierarchical two-stage or three-stage beamforming system, three dimensional ultrasound images which can be generated in real-time.

A beamforming apparatus includes: a signal output unit configured to output signals; a time difference corrector configured to correct a time difference between the signals; and a weight applier configured to apply a weight value to the signals, according to an error between the signals with the corrected time difference and a target delay pattern.

A method for virtual aperture array radar tracking includes: transmitting first and second probe signals; receiving a first reflected probe signal at a radar array; receiving a second reflected probe signal at the radar array; calculating a target range from at least one of the first and second reflected probe signals; corresponding signal instances of the first reflected probe signal to physical receiver elements of the radar array; corresponding signal instances of the second reflected probe signal to virtual elements of the radar array; calculating a first target angle by performing beamforming from the signal instances of the first and second reflected probe signals; and calculating a position of the tracking target relative to the radar array from the target range and first target angle.

Exemplary embodiments provide systems and methods for portable medical ultrasound imaging. Preferred embodiments utilize a tablet touchscreen display operative to control imaging and display operations without the need for using traditional keyboards or controls. Certain embodiments provide ultrasound imaging system in which the scan head includes a beamformer circuit that performs far field sub array beamfonning or includes a sparse array selecting circuit that actuates selected elements. Exemplary embodiments also provide an ultrasound engine circuit board including one or more multi-chip modules, and a portable medical ultrasound imaging system including an ultrasound engine circuit board with one or more multi-chip modules. Exemplary embodiments also provide methods for using a hierarchical two-stage or three-stage beamforming system, three dimensional ultrasound images which can be generated in real-time.

An analog store-digital read (ASDR) ultrasound beamformer architecture performs the task of signal beamforming using a matrix of sample/hold cells to capture, store and process instantaneous samples of analog signals from ultrasound array elements and this architecture provides significant reduction in power consumption and the size of the diagnostic ultrasound imaging system such that the hardware build upon ASDR ultrasound beamformer architecture can be placed in one or few application specific integrated chips (ASIC) positioned next to the ultrasound array and the whole diagnostic ultrasound imaging system could fit in the handle of the ultrasonic probe while preserving most of the functionality of a cart-based system. The ASDR architecture provides improved signal-to-noise ratio and is scalable.

An ultrasonic measurement device includes an ultrasonic probe having a plurality of ultrasonic elements arranged, each of the ultrasonic elements being adapted to transmit and receive an ultrasonic beam, and an arithmetic processor adapted to perform a reduction process of reducing an amount of information of received signals received by the respective ultrasonic elements based on a reception frequency, then perform a beam forming process on the signals, on which the reduction process has been performed, to generate an ultrasonic image.

An ultrasound probe has a two dimensional matrix array transducer and a digital microbeamformer. The microbeamformer comprises a plurality of transmitters and amplifiers coupled to elements of the array transducer, a plurality of low power analog to digital converters and digital beamforming circuitry coupled to the amplifiers, a microbeamformer controller, a power supply and a USB controller which cumulatively consume three watts or less.

An ultrasound apparatus has a beamformer, a control logic processor, and a transducer probe configured to direct and detect ultrasound signals. A control panel is in wireless signal communication with the control logic processor. A display monitor is in wireless signal communication with the control logic processor.

Exemplary embodiments provide systems and methods for portable medical ultrasound imaging. Preferred embodiments utilize a tablet touchscreen display operative to control imaging and display operations without the need for using traditional keyboards or controls. Certain embodiments provide ultrasound imaging system in which the scan head includes a beamformer circuit that performs far field sub array beamforming or includes a sparse array selecting circuit that actuates selected elements. Exemplary embodiments also provide an ultrasound engine circuit board including one or more multi-chip modules, and a portable medical ultrasound imaging system including an ultrasound engine circuit board with one or more multi-chip modules. Exemplary embodiments also provide methods for using a hierarchical two-stage or three-stage beamforming system, three dimensional ultrasound images which can be generated in real-time.