Title:
ULTRASONIC PROBE
Document Type and Number:
WIPO Patent Application WO/1991/015090
Kind Code:
A1
Abstract:
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.
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Inventors:
SAITOH KOHETSU (JP)
KOISHIHARA YASUSHI (JP)
SHINODA FUMIKA (JP)
KOISHIHARA YASUSHI (JP)
SHINODA FUMIKA (JP)
Application Number:
PCT/JP1991/000367
Publication Date:
October 03, 1991
Filing Date:
March 19, 1991
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
International Classes:
B06B1/06; (IPC1-7): H04R17/00
Foreign References:
| JPH01120998A | 1989-05-12 | |||
| JPS5977799A | 1984-05-04 | |||
| JPS6176949A | 1986-04-19 | |||
| JPS59183098U | 1984-12-06 |
Other References:
See also references of EP 0480045A4
Attorney, Agent or Firm:
Kokaji, Akira (1006, Oaza Kadom, Kadoma-shi Osaka 571, JP)
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