(19)
(11) EP 0 215 116 A1

(12)

(43) Date of publication:
25.03.1987 Bulletin 1987/13

(21) Application number: 86902591.0

(22) Date of filing: 24.02.1986
(51) International Patent Classification (IPC): 
G01C 19/ 66( . )
 G01C 21/ 16( . )
(86) International application number:
PCT/US1986/000391
(87) International publication number:
WO 1986/005017 (28.08.1986 Gazette 1986/19)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 25.02.1985 US 19850705111

(71) Applicant: SUNDSTRAND DATA CONTROL, INC.
Redmond, WA 98052 (US)

(72) Inventors:
  • SMITH, Jeffrey, Thomas
    Renton, WA 98055 (US)
  • FRAZIER, David, E.
    Issaquah, WA 98027 (US)

   


(54) INERTIAL REFERENCE SYSTEM UTILIZING RING LASER GYRO DATA RESYNCHRONIZATION