Ultrasonic diagnostic apparatus
US8465430B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2005 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Sep 27, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S7/52023
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An ultrasonic diagnostic apparatus is disclosed for improving the signal to noise ratio of a receiving system, and allowing demodulation processing of ultrasonic reflection signals at the transducer during the receive process. The ultrasonic diagnostic apparatus includes an ultrasonic probe which transmits and receives ultrasound to and from a subject, a transmitting unit which supplies driving signals to the ultrasonic probe, and a receiving unit which processes signals to be output from the ultrasonic probe and calculates diagnostic information regarding the subject. The ultrasonic probe is equipped with a receiving transducer having sensitivity which changes according to the level of bias voltage to be applied. The receiving unit is equipped with a modulated bias amplification unit which applies signals of bias voltage with modulated amplitude to the receiving transducer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.