(19)
(11)
EP 0 088 755 A1
(12)
(43)
Date of publication:
21.09.1983
Bulletin 1983/38
(21)
Application number:
81902992.0
(22)
Date of filing:
24.09.1981
(51)
International Patent Classification (IPC):
G01S
13/
58
( . )
H03L
7/
14
( . )
(86)
International application number:
PCT/US1981/001300
(87)
International publication number:
WO 1983/001120
(
31.03.1983
Gazette 1983/08)
(84)
Designated Contracting States:
DE FR GB
(71)
Applicant:
CATERPILLAR TRACTOR CO.
Peoria, Illinois 61629 (US)
(72)
Inventor:
RIEBSCHLAGER, Jeffrey J.
Toluca, IL 61369 (US)
(74)
Representative:
Brunner, Michael John, et al
GILL JENNINGS & EVERY Broadgate House 7 Eldon Street
London EC2M 7LH
London EC2M 7LH (GB)
(54)
DOPPLER DROPOUT COMPENSATING SIGNAL CONDITIONING CIRCUIT