Bearing and frequency measuring system

• US 3,333,271 A
• Filed: 09/16/1965
• Issued: 07/25/1967
• Est. Priority Date: 09/16/1965
• Status: Expired due to Term

• Current Assignee: Joseph Robinson Stephen, Nicholas Alcock Robert, Ralph Levy
• Original Assignee: Joseph Robinson Stephen, Nicholas Alcock Robert, Ralph Levy
• Inventors: JOSEPH ROBINSON STEPHEN, Levy, Ralph, NICHOLAS ALCOCK ROBERT
• Application Number:
  US04/487,768
• Time in Patent Office: 677 Days
• US Class Current: 342/443
• CPC Class Codes: G01S 3/14 Systems for determining direction or deviation from predetermined direction aerial arrangements for changing or varying the orientation or the shape of the directional pattern H01Q3/00; combinations of different interacting aerial units for giving a desired directional characteristic H01Q21/29; aerials or aerial systems providing at least two radiation patterns H01Q25/00

Claims

1. A SYSTEM FOR SIMULTANEOUSLY MEASURING THE BEARING OF A DISTANT TRANSMITTER AND THE FREQUENCY OF THE RADIOFREQUENCY ENERGY RADIATED BY THE TRANSMITTER, COMPRISING AN ANTENNA ARRANGEMENT IN THE FORM OF TWO LINEAR ANTENNA ARRAYS ARRANGED ORTHOGONALLY TO EACH OTHER, MEANS FOR MEASURING IN EACH ARRAY THE PHASE-DIFFERENCE ANGLE OF THE SIGNALS INDUCED IN TWO OF ITS ANTENNAS BY THE INCIDENT ENERGY, AND MEANS FOR DERIVING FROM THE OUTPUT OF SAID MEANS FOR MEASURING TWO SIGNALS CORRESPONDING TO MUTUALLY-PERPENDICULAR COORDINATES OF A VECTOR HAVING A MAGNITUDE PROPORTIONAL TO THE FREQUENCY OF THE INCIDENT ENERGY AND HAVING AN ARGUMENT REPRESENTING THE ANGLE OF INCIDENCE ON THE ANTENNA ARRANGEMENT OF SAID ENERGY.