Accession Number : ADD001537

Title :   Magnetic Surface Wave Rotation Rate Sensor Using the Sagnac Effect.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s) : Newburgh,Ronald G ; Blacksmith,Philipp ; Sethares,James C

Report Date : 30 Sep 1975

Pagination or Media Count : 7

Abstract : The rotation rate sensor comprehended by the patent is a Sagnac effect type device in which the relative time displacements of clockwise and counterclockwise magnetic surface waves propagating around a rotatable annular substrate member are used to determine relative rotation between the substrate member and its supporting frame. The magnetic surface waves are generated and subsequently detected by an electromagnetic wave magnetic surface wave transducer. The transducer is closely proximate to the annular substrate member and in a fixed frame relative to its rotational motion.

Descriptors :   *Magnetic detectors, *Patents, Rotation, Rates, Surface waves, Magnetic fields

Subject Categories : Test Facilities, Equipment and Methods

Distribution Statement : APPROVED FOR PUBLIC RELEASE