Global Patent Index - EP 0480045 A4

EP 0480045 A4 19930414 - ULTRASONIC PROBE

Title (en)

ULTRASONIC PROBE

Publication

EP 0480045 A4 19930414 (EN)

Application

EP 91906265 A 19910319

Priority

  • JP 7108290 A 19900320
  • JP 7108390 A 19900320
  • JP 7108490 A 19900320
  • JP 7108590 A 19900320

Abstract (en)

[origin: WO9115090A1] An ultrasonic probe for high-resolution ultrasonic imaging is provided. The probe includes an assembly of piezoelectric elements (11), which has a wide frequency range and a self-weighted distribution of ultrasonic amplitudes to attenuate side-lobe levels.

IPC 1-7

H04R 17/00

IPC 8 full level

B06B 1/06 (2006.01)

CPC (source: EP)

B06B 1/06 (2013.01); B06B 1/0629 (2013.01)

Citation (search report)

  • [A] EP 0142215 A2 19850522 - ADVANCED TECH LAB [US]
  • [A] EP 0162515 A1 19851127 - ELECTRONIQUE & PHYSIQUE [FR], et al
  • [A] PROCEEDINGS IEEE 1988 ULTRASONICS SYMPOSIUM vol. 1, October 1988, CHICAGO, ILLINOIS, USA pages 627 - 630 TUAN BUI ET AL. 'A multifrequency composite ultrasonic transducer system'
  • See references of WO 9115090A1

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

WO 9115090 A1 19911003; CA 2054698 A1 19910921; EP 0480045 A1 19920415; EP 0480045 A4 19930414

DOCDB simple family (application)

JP 9100367 W 19910319; CA 2054698 A 19910319; EP 91906265 A 19910319