(19)
(11) EP 1 061 854 A1

(12)

(43) Date of publication:
27.12.2000 Bulletin 2000/52

(21) Application number: 99912373.0

(22) Date of filing: 09.03.1999
(51) International Patent Classification (IPC)7: A61B 8/00, A61B 10/00
(86) International application number:
PCT/US9905/234
(87) International publication number:
WO 9945/845 (16.09.1999 Gazette 1999/37)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 09.03.1998 US 36940
23.03.1998 US 46322
23.03.1998 US 46324
02.05.1998 US 71854

(71) Applicant: Lang, Philipp
San Francisco, CA 94122 (US)

(72) Inventors:
  • LANG, Philipp
    San Francisco, CA 94122 (US)
  • MENDLEIN, John, D.
    Encinitas, CA 92024 (US)

(74) Representative: Grund, Martin, Dr. et al
Holbeinstrasse 5
81679 München
81679 München (DE)

   


(54) METHODS AND DEVICES FOR IMPROVING BROADBAND ULTRASONIC ATTENUATION AND SPEED OF SOUND MEASUREMENTS