(19)

(11)

EP 0 819 242 A1

(12)

(43) Date of publication: 21.01.1998 Bulletin 1998/04 (21) Application number: 96911553.0 (22) Date of filing: 03.04.1996

(51) International Patent Classification (IPC):  G01K 11/ 18( . ) G01K 11/ 32( . ) (86) International application number: PCT/US1996/004555 (87) International publication number: WO 1996/031763 (10.10.1996 Gazette 1996/45)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 03.04.1995 US 19950415894 (71) Applicant: AlliedSignal Inc. Morristown, New Jersey 07962-2245 (US)	(72) Inventors: RAPOPORT, William, R. Bridgewater, NJ 08807 (US) GUALTIERI, Devlin, M. Ledgewood, NJ 07852 (US) HOU, Janpu Bridgewater, NJ 08807 (US) VAN DE VAART, Herman Califon, NJ 07830 (US) (74) Representative: Brunner, Michael John, et al  GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)