Patent · US Expired

Ultrasound imaging apparatus for providing simultaneous B-scan and Doppler data

US4407293A · kind A · utility

39Cited by
5References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 24, 1981
Grant dateOct 4, 1983
Priority date
Expiry dateApr 24, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01S15/8979
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An ultrasound imaging apparatus is described. The hand-held device includes a first oscillating transducer for providing a B-scan display and an offset second transducer which is manually positioned for providing Doppler data. The transducer pulses are interlaced and Doppler transmissions are inhibited to permit B-scan transmissions. However, circuits provide a continuous signal representing a Doppler signal when the Doppler transmissions are inhibited.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.