EP 0007308 A1 19800123 - ULTRASONIC WAVE ENERGY ELECTRONIC B-SCAN IMAGING APPARATUS.
Title (en)
ULTRASONIC WAVE ENERGY ELECTRONIC B-SCAN IMAGING APPARATUS.
Title (de)
ELEKTRONISCHER B-SCANER ZUR ERZEUGUNG VON BILDERN DURCH ULTRASCHALLWELLEN.
Title (fr)
APPAREIL DE MISE EN IMAGE A BALAYAGE-B ELECTRONIQUE PAR ONDES ULTRA-SONORES.
Publication
Application
Priority
- GB 5168477 A 19771212
- GB 5168677 A 19771212
- US 96489978 A 19781205
Abstract (en)
[origin: WO7900372A1] A transducer (102) comprising a longitudinal bar of piezoelectric material (200) having one longitudinal face substantially covered with a first electrode (202) and the opposite longitudinal face in contact with a predetermined plural number of separate electrodes (204-1, 204-2, ... 204-n) spaced along the length thereof, permits all detected echoes to be processed by a single low input impedance amplifier (206) permanently coupled to the first electrode.
Abstract (fr)
Un transducteur (102) comprenant une barre longitudinale en materiau piezoelectrique (200) ayant une face longitudinale substantiellement recouverte par une premiere electrode (202) et la face longitudinale opposee en contact avec une pluralite predeterminee d'electrodes separees (204-1, 204-2 ... 204-n) espacees sur sa longueur, permet a tous les echos detectes d'etre traites par un seul amplificateur a faible impedance d'entree (206) couple en permanence a la premiere electrode.
IPC 1-7
IPC 8 full level
H04N 5/30 (2006.01); A61B 8/00 (2006.01); B06B 1/06 (2006.01); G01N 29/06 (2006.01); G01S 7/52 (2006.01); G01S 15/89 (2006.01); G10K 11/00 (2006.01); G10K 11/34 (2006.01); H04R 17/00 (2006.01)
CPC (source: EP)
B06B 1/0622 (2013.01); G01N 29/06 (2013.01); G01S 7/5206 (2013.01); G10K 11/004 (2013.01); G10K 11/345 (2013.01)
Designated contracting state (EPC)
FR
DOCDB simple family (publication)
WO 7900372 A1 19790628; EP 0007308 A1 19800123; FR 2476867 A1 19810828; FR 2476867 B1 19850628; JP S55500005 A 19800110
DOCDB simple family (application)
US 7800185 W 19781205; EP 79900065 A 19790703; FR 8019181 A 19800903; JP 50023978 A 19781205