In one embodiment, an ultrasonic diagnostic apparatus includes a probe configured to be equipped with plural transducers arranged in a first direction and a second direction perpendicular to the first direction and be able to perform a two-dimensional scan in the first and second directions; a moving device configured to support the probe and mechanically move the probe in the second direction; a receiving circuit configured to generate first reception signals for respective moving positions of the probe in the second direction by performing receiving phase-compensation and summation processing on respective reflected signals received by the plurality of transducers at each of the moving positions; and processing circuitry configured to generate a second reception signal by performing moving aperture synthesis on the first reception signals generated for the respective moving positions of the probe based on positional information of the probe and generate image data from the second reception signal.

An ultrasonic probe includes a transmitting unit including a transmitting surface that transmits ultrasonic waves, a receiving unit including a receiving surface that receives the ultrasonic waves, and a receiving attitude changing unit that changes an angle of the receiving unit, wherein a part of the transmitting unit includes a second receiving unit (group of transmitting and receiving transducers) that can receive the ultrasonic waves.

An imaging transducer (302) includes a plurality of transducer elements (404, 604, 704, 804) arranged with respect to each other in an array along an long axis of the transducer, wherein an effective width of a transducer element of the transducer is equal to or greater than a center-to-center distance between adjacent transducer elements. A method includes acquiring data with an imaging transducer, wherein the transducer includes a plurality of transducer elements arranged with respect to each other in an array along an long axis of the transducer, wherein an effective width of a transducer element of the transducer is equal to or greater than a center-to-center distance between adjacent transducer elements.

Provided is an object information acquiring apparatus including a probe in which a plurality of elements transmitting an ultrasound wave to a measurement target region of an object and receiving a reflected wave is arranged in a first direction, and a mechanical scanning unit that moves the probe in the first direction and a direction crossing the first direction. A transmission processor, to each element included in a transmission aperture element row transmitting the ultrasound wave, inputs an input signal for driving the element, and a received signal processor combines received signals obtained by the elements included in a reception aperture element row receiving the ultrasound wave. A generator generates property information on the object from the combined signal, and a controller that determines at least one of the number of elements included in the transmission aperture element row.

Techniques, systems, and devices are disclosed for synthetic aperture ultrasound imaging using spread-spectrum, wide instantaneous band, coherent, coded waveforms. In one aspect, a method includes synthesizing a composite waveform formed of a plurality of individual orthogonal coded waveforms that are mutually orthogonal to each other, correspond to different frequency bands and including a unique frequency with a corresponding phase; transmitting an acoustic wave based on the composite waveform toward a target from one or more transmitting positions; and receiving at one or more receiving positions acoustic energy returned from at least part of the target corresponding to the transmitted acoustic waveforms, in which the transmitting and receiving positions each include one or both of spatial positions of an array of transducer elements relative to the target and beam phase center positions of the array, and the transmitted acoustic waveforms and the returned acoustic waveforms produce an enlarged effective aperture.

A method and system for inspecting casings in a wellbore to determine a mechanical or sealing quality of casing connections. Casing connections may become mechanically weak or start to leak after some period of use in harsh conditions. A radial array of ultrasound transducers images the casing in-situ to create an ultrasound image, which is analyzed to detect the casing connector then analyzed a sealing band of the connector. Machine learning and image processing methods may be used to analyze the images.

An ultrasound probe includes a connector and a probe head that includes a mount located in a tip part of the probe head, various linear matrices of transducers that emit acoustic waves with a given central wavelength and detect backscattered acoustic waves. The linear matrices are electrically connected to the connector, wherein each linear matrix from the linear matrices of transducers includes a first side along a first direction and a second side along a second direction. The second side is smaller than the first side. The linear matrices are fixed to the mount and juxtaposed on the mount with the first sides adjacent. Each linear matrix from the linear matrices of transducers is covered with a single cylindrical acoustic lens that focuses the acoustic waves emitted by the linear matrix. Each cylindrical acoustic lens includes a cylindrical axis substantially parallel to the first direction.