Global Patent Index - EP 1074969 A2

EP 1074969 A2 2001-02-07 - Ultrasonic transducer

Title (en)

Ultrasonic transducer

Title (de)

Ultraschallprüfkopf

Title (fr)

Transducteur à ultrason

Publication

EP 1074969 A2 (DE)

Application

EP 00115908 A

Priority

DE 19936678 A

Abstract (en)

The test head includes a transmitter which is an antenna array (1) and a receiver (2). The transmitter and receiver are separated from each other by an attenuating layer (3), and form an angle of no more than 5 degrees. The antenna array may be a composite resonator. The transmitter may be for longitudinal waves. The receiver may be a piezo oscillator, a composite material resonator or an antenna array receiver.

Abstract (de)

Die Erfindung betrifft einen Ultraschallprüfkopf mit einem Sender (1), einem Empfänger (2) und einer Ankoppelebene. Es ist vorgesehen, dass der Sender (1), der ein Gruppenstrahler ist, und der Empfänger (2) durch eine Dämpfungsschicht (3) beabstandet in einer Ebene parallel zur Ankoppelebene miteinander einen Winkel von maximal ca. 5° bilden. <IMAGE>

IPC 1-7 (main, further and additional classification)

G10K 11/00

IPC 8 full level (invention and additional information)

G10K 11/00 (2006.01)

CPC (invention and additional information)

G10K 11/004 (2013.01)

Designated contracting state (EPC)

CH DE LI

EPO simple patent family

EP 1074969 A2 20010207; EP 1074969 A3 20040303

INPADOC legal status


2007-05-16 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20061122

2004-11-24 [AKX] PAYMENT OF DESIGNATION FEES

- Designated State(s): CH DE LI

2004-08-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20040619

2004-03-03 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2004-03-03 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Countries: AL LT LV MK RO SI

2002-03-06 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: INTELLIGENDT SYSTEMS & SERVICES GMBH & CO KG

2001-02-07 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2001-02-07 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI