Title: Interferometric navigation and guidance system

Abstract: This invention comprises an interferometric technique for the one-way transmission of bearing angle information to an unlimited number of mobile receivers. In accordance with the invention the angle related path length difference, between transmitters located at either end of an interferometer baseline, to a mobile receiver is measured in wavelengths at a modulation frequency.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Ewen, Harold I. (Weston, MA, US)

Application Number: 542505
Filing Date: 1975-01-20
Publication_date: 1976-03-23
Assignee: The United States of America as represented by the Secretary of the (Washington, DC)
Primary Class(es): 342/386 342/410, 342/454
Other Classes:
US Patent Ref:

3665468

May, 1972

Fleming et al.

343/102.

Other Refs:
Primary Examiner: Wilbur, Maynard R.
Assistant Examiner: Berger, Richard E.
Attorney: Farmer; Herbert E., Deeley, Jr.; Harold P.