| Patent Number |
Title Of Patent |
Date Issued |
| 7199738 |
Sigma delta beamformer and method with reduced artifact |
April 3, 2007 |
| Dynamic focusing is performed at Nyquist rate F.sub.N for the received signal. For each imaging point, a single-bit SDM sample is selected from each active array channel, according to the corresponding focusing delay. A block of data, centered at the selected SDM sample, is defined for e |
| 7066886 |
Ultrasound imaging system and method based on simultaneous multiple transmit-focusing using weig |
June 27, 2006 |
| The present invention discloses an ultrasound imaging system and method based on simultaneous multiple transmit-focusing using the weighted orthogonal chirp signals so that resolution of an ultrasound image is enhanced without sacrifice in the frame rate. The ultrasound imaging syste |
| 6786097 |
Ultrasound imaging system and method using weighted chirp signals |
September 7, 2004 |
| An ultrasound imaging system and method for making a harmonic image of a good SNR (signal-to-noise ratio) by effectively removing fundamental frequency components through a pulse-compressing using weighted chirp signals, is provided. The ultrasound imaging system includes: a transducer |
| 6740034 |
Three-dimensional ultrasound imaging system for performing receive-focusing at voxels correspond |
May 25, 2004 |
| A three-dimensional (3D) ultrasound imaging system performs receive-focusing at voxels corresponding to pixels of a display device. The system comprises a display device; transducers for transmitting ultrasound signals toward the object and receiving echo signals from a voxel corresp |
| 6736780 |
Synthetic aperture focusing method for ultrasound imaging based on planar waves |
May 18, 2004 |
| Planar waves are transmitted to a target object with an angle of wave propagation corresponding to a center position of a receive subaperture. The echo signals reflected from the target object are received by the receive subaperture, stored in a receive pattern memory and dynamic-foc |
| 6648824 |
Ultrasound imaging system for performing receiving focusing at points corresponding to display p |
November 18, 2003 |
| All RF data received by transducers in response to an ultrasonic signal that was transmit-focused on a point along a predetermined scan lines are stored to compute display data for those points of an object that do not necessarily correspond to the pixels of the screen of a display devic |
| 6622560 |
Ultrasound imaging method and apparatus based on pulse compression technique using a spread spec |
September 23, 2003 |
| An ultrasound imaging method forms an image of an object using signals reflected from the object after transmitting an ultrasound pulse to the object. In the method, at a first step, a predetermined first spread spectrum signal is converted to the ultrasound signal at one or more tra |
| 6547733 |
Ultrasound imaging apparatus and method using Golay codes with orthogonal property |
April 15, 2003 |
| Ultrasound images are obtained using a set of Golay codes with orthogonal property as ultrasound receiving and transmitting signals. Ultrasound signals having a plurality of codes are transmitted simultaneously by using the orthogonal property of the Golay codes. A superior signal-to |
| 6350240 |
Ultrasound imaging method and apparatus based on pulse compression technique using modified gola |
February 26, 2002 |
| An ultrasound imaging method for forming an image of an object using received signals reflected from the object, received after transmitting an ultrasound pulse to the object. The inventive method comprises the steps of (a) transmitting a first set of the ultrasound pulses to the object |
| 5893832 |
Transducer element alignment structure in two-dimensional transducer array for forming ultra-son |
April 13, 1999 |
| A transducer element alignment structure for use with a two-dimensional transducer to form an ultrasonic three-dimensional image performs a three-dimensional scanning by using the smallest number of elements, wherein a number of transducer elements are aligned on a plurality of conce |
| 5706817 |
Filtering method for ultrasonic color doppler imaging system |
January 13, 1998 |
| An ultrasonic color Doppler imaging system, and particularly a filtering method for removing a clutter signal from an ultrasonic image is provided. A modified infinite impulse response (IIR) filter to which a moving target indicator (MTI) principle is applied, can sufficiently suppress a |
