Extract from the Register of European Patents

EP Citations: EP0619104

Cited inSearch
Type:Patent literature
Publication No.:US3991933  [A]
 (ANTONEVICH JOHN N) [A] 1,9,16,23 * column 2, line 63 - column 4, line 21; figures 1-3 *;
Type:Patent literature
Publication No.:GB1389291  [A]
 (TELECOMMUNICATIONS IND) [A] 16,23 * page 3, line 45 - page 4, line 40; figures 1-4 *;
Type:Patent literature
Publication No.:US4375991  [A]
 (SACHS SAMUEL L, et al) [A] 16,23 * column 6, line 46 - column 11, line 41; figures 1-5 *;
Type:Non-patent literature
Publication information:[A]  - ADLER L ET AL, "Excitation of fractional harmonic ultrasonic waves", PROCEEDINGS OF THE 7TH INTERNATIONAL CONGRESS ON ACOUSTICS 18-26 AUG. 1971, BUDAPEST, HUNGARY, AKADEMIAI KIADO, pages 193 - 196, XP000564800 [A] 1,9,16,23 * page 193 - page 195; figures 1-4 *
Type:Non-patent literature
Publication information:[A]  - MILLER D L, "Ultrasonic detection of resonant cavitation bubbles in a flow tube by their second-harmonic emmisions.", ULTRASONICS (UK), UK, vol. 19, no. 5, pages 217 - 224, XP000560643
DOI: http://dx.doi.org/10.1016/0041-624X(81)90006-8
Cited inInternational search
Type:Patent literature
Publication No.:JPH02126848  [Y]
 (HITACHI LTD)
Cited inExamination
Type:Patent literature
Publication No.:EP0351610