Abstract:
A display apparatus and driving method are discussed where the ultrasonic imaging apparatus includes an ultrasonic transducer configured to sequentially output a first ultrasonic signal, a second ultrasonic signal, and a third ultrasonic signal; a beamforming unit configured to generate a first synthesized signal by delaying the first ultrasonic signal and synthesizing the delayed first ultrasonic signal with the second ultrasonic signal, and to generate a second synthesized signal by delaying the first synthesized signal and synthesizing the delayed first synthesized signal with the third ultrasonic signal.
Abstract:
A transmit beamforming apparatus, receive beamforming apparatus, ultrasonic probe having the same, ultrasonic diagnostic apparatus, and beamforming method are provided. The transmit beamforming apparatus for transmitting ultrasound beams by using a plurality of ultrasonic transducer elements includes a transmit beamformer configured for forming a transmit signal pattern by applying a delay time to a transmit signal that corresponds to at least one of the plurality of ultrasonic transducer elements; and a transmission controller configured for determining a delay frequency to be applied in conjunction with the application of the delay time.
Abstract:
Disclosed herein are a high voltage switching circuit which includes one or more main switching devices connected to one or more current sources, and a control circuit unit configured to control a potential difference between terminals of each of the main switching devices within a predetermined range by receiving current from the one or more current sources.
Abstract:
An ultrasonic apparatus includes a transducer configured to irradiate ultrasonic waves in different traveling directions onto an object and collect echo ultrasonic waves reflected from the object, and a controller configured to determine blood flow velocities of blood flowing in the object based on the echo ultrasonic waves, compound the determined blood flow velocities, and determine a composite blood flow velocity of the blood flowing in the object based on the compounded blood flow velocities.
Abstract:
The ultrasonic diagnostic apparatus includes an ultrasonic transducer array in which ultrasonic transducer elements are two-dimensionally arranged; and a controller configured to control the ultrasonic transducer elements to transmit ultrasonic signals and control the ultrasonic transducer elements arranged in rows of the ultrasonic transducer array to sequentially receive ultrasonic echo signals.
Abstract:
Provided is an apparatus configured to analyze a component of an object, the apparatus including a signal detection sensor including a light source configured to emit light to the object, a detector configured to detect a signal of light scattered or reflected from the object, an ultrasonic generator configured to transmit an ultrasonic wave toward the object at irregular ultrasonic transmission time intervals to modulate a frequency of the light emitted to the object, and a controller configured to control the ultrasonic transmission time intervals of the ultrasonic generator to be irregular, and a processor configured to control the signal detection sensor and analyze the component of the object based on the signal of light detected by the detector.
Abstract:
Disclosed herein are a photoacoustic imaging apparatus to project a continuous-wave laser beam onto an object to generate a photoacoustic image, and a method of controlling the same.The photoacoustic imaging apparatus include a laser source to generate a continuous-wave (CW) laser beam, a deflection mirror to reflect the CW laser beam to the object while rotating, a transducer to collect acoustic waves generated in the object by the CW laser beam, and an image processor to generate a photoacoustic image based on the collected acoustic waves.
Abstract:
An ultrasonic probe includes: a transducer; a driving element electrically coupled to the transducer; a backing layer provided underneath the transducer and the driving element in a longitudinal direction of the ultrasonic probe, and configured to absorb heat generated from the transducer and the driving element and to absorb vibrations generated by the transducer; a heat spreader provided underneath the backing layer in the longitudinal direction of the ultrasonic probe and configured to absorb the heat from the backing layer; a heat pipe including a first contact portion contacting the heat spreader and a second contact portion in contact with the first contact portion; and a heat radiation plate configured to contact the second contact portion and transfer the heat from the heat spreader to an exterior of the ultrasonic probe.
Abstract:
A jig includes a wafer including an accommodation groove configured to accommodate a capacitive micromachined ultrasonic transducer (cMUT) when flip chip bonding is performed, and a separation groove formed in a bottom surface of the accommodation groove, the separation groove having a bottom surface that is spaced apart from thin films of the cMUT that face the bottom surface of the separation groove when the cMUT is seated on portions of the bottom surface of the accommodation groove.
Abstract:
Disclosed herein are an ultrasonic imaging apparatus which is capable of accurately and quickly estimating a Point Spread Function (PSF) is usable for restoring ultrasonic images, and a control method which is executable by the ultrasonic imaging apparatus. The ultrasonic imaging apparatus includes: a probe; a receive beamformer configured to beamform an ultrasonic signal and to output the beamformed ultrasonic signal; a Point Spread Function (PSF) database configured to store a PSF which is acquired based on a situational variable, and a phase parameter which is determined based on the situational variable, for the beamformed ultrasonic signal; and an image generator configured to select the PSF and the phase parameter from the PSF database based on the beamformed ultrasonic signal, and to perform deconvolution using an estimated PSF based on the selected PSF and the selected phase parameter in order to generate an image.