Abstract A radio location system for surface vehicles wherein a plurality of receiving stations are located relative to the vehicles such that a line through the receiving stations encloses the area over which said surface vehicle moves. The diameter of the area bounded by the line on which the receiving stations are located is such that all of the receiving stations will receive a signal strong enough for position finding for all positions of the vehicle. When three receiving stations are used, they are located to form an equilateral triangle. As more stations are used, polygon or circular forms are used for location of the receiving stations. When the area being monitored is greater than that which can be covered by one surveillance area, antennas and receiving stations are mounted so as to be usable in adjacent areas thus allowing each receiving station to be used in two or more adjacent areas.
Inventors
👤 Romuald V Tomkewitsch
👤 Peer Thilo
Bibliographic Details
Application Number—
JurisdictionUS
Data Sourcegoogle_patents
Last Synchronized2026-10-23 16:15
CPC Classifications
G; G01; G01S; G01S5/00; G01S5/02; G01S5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
An arrangement for use with a method for determining the position of vehicles which carry a transmitter which emits a measuring signal which is received by a plurality of receiving stations and wherein the transit time differences of the measuring signal to different receiving stations the position of the vehicle is determined and wherein said plurality of receiving stations are located such that at least one particular orientation area is determined by the area enclosed by lines connected between three or more of said receiving stations and such that a particular vehicle whose position is being determined lies within said particular orientation area, and wherein said receiving stations are each equipped with several directional antennas which have high gain and which are arranged to receive signals from different directions such that the patterns of the antennas overlap.
Claim 2
Dependent Claim
137 words
An arrangement for use with a method for determining the position of vehicles which carry a transmitter which emits a measuring signal which is received by a plurality of receiving stations and wherein the transit time differences of the measuring signal to different receiving stations the position of the vehicle is determined and wherein said plurality of receiving stations are located such that at least one particular orientation area is determined by the area enclosed by lines connected between three or more of said receiving stations and such that a particular vehicle whose position is being determined lies within said particular orientation area, and wherein said receiving stations are each equipped with several directional antennas which have high gain and which are arranged to receive signals from different directions such that the patterns of the antennas overlap.