(19)
(11)
EP 0 596 966 A1
(12)
(43)
Date of publication:
18.05.1994
Bulletin 1994/20
(21)
Application number:
92916332.0
(22)
Date of filing:
16.07.1992
(51)
International Patent Classification (IPC):
G01F
23/
28
( . )
G01F
25/
00
( . )
G01N
29/
024
( . )
G01F
23/
296
( . )
G01N
29/
00
( . )
G01V
1/
00
( . )
(86)
International application number:
PCT/US1992/005892
(87)
International publication number:
WO 1993/003340
(
18.02.1993
Gazette 1993/05)
(84)
Designated Contracting States:
DE GB IT NL
(30)
Priority:
29.07.1991
US 19910737180
(71)
Applicant:
KAY-RAY/SENSALL, INC.
Mount Prospect, IL 60056-2180 (US)
(72)
Inventors:
ESPIN, Alexander, J.
Skoke, IL 60076 (US)
ROSSELSON, Boris, S.
Des Plaines, IL 60016 (US)
(74)
Representative:
Cross, Rupert Edward Blount, et al
BOULT, WADE & TENNANT 27 Furnival Street
London EC4A 1PQ
London EC4A 1PQ (GB)
(54)
TIME GATE ULTRASONIC SENSOR AND METHOD