Method and apparatus for fast acquisition of ultrasound images
US6138513A · kind A · utility
Inventors
Key dates
| Filing date | Jan 9, 1999 |
| Grant date | Oct 31, 2000 |
| Priority date | — |
| Expiry date | Jan 9, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S367/905
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
New apodization functions providing an effective rejection of side lobe amplitude level within wide range of beam steering angles are described in this invention. A central amplitude apodization function (13) reduces amplitudes for the central section of transmit and receive array individual elements. A time apodization function (14) changes a duration of transmit pulses. A duration of transmit pulses is short for central section of transmit array and increases for outlying transmit individual elements. A frequency apodization function (15) changes frequency of transmit pulses for different transmit individual elements. The use of new apodization function allows realization of portable acoustic scanners. Some versions of a portable acoustic scanner design and a version with time compression of echo signals are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.