Research/Patents/US 5697578
US 5697578

NAVIGATIONAL SYSTEM AND METHOD

Assignee

BRITISH AEROSPACE PUBLIC LIMITED COMPANY

Filed

Jan 26, 1990

Granted

Dec 16, 1997

Location

BRISTOL GB

Abstract

A navigational system for determining the relative position of two objects, which comprises projector means for projecting an information field to be at least partially incident on both said objects, receiver means associated with at least one of said objects for detecting the information field incident on said two objects, and means responsive to the receiver means to determine the relative position of said objects.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

May 3, 1990

Rescinded

Sep 25, 1996

Duration

6 years, 4 months

Inventor

  • 1PHILLIP CATCHESIDES

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records