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Target locating and missile guidance system

  • US 4,315,609 A
  • Filed: 06/16/1971
  • Issued: 02/16/1982
  • Est. Priority Date: 06/16/1971
  • Status: Expired due to Term
First Claim
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1. In a missile guidance system for guiding one of a plurality of missiles to a surface target or targets the combination comprising:

  • (a) an aircraft having target location equipment including a laser range finder, an altimeter, and a microwave pulse transmitter that are operated in synchronism for transmitting data for fixing a target location with respect to an artificial coordinate system;

    (b) a plurality of ground stations, each of which receives the microwave pulse signals from the aircraft, and supplies output signals from which the target location relative to the ground station positions can be determined based on pulse time of arrival data and the said laser ranging and altimeter data;

    (c) transmission means associated with at least one of the said ground stations for transmitting guidance information to at least one missile;

    (d) receiving, sorting, and signal processing means within said missile for receiving and extracting said guidance information from said ground station in order to direct the missile in yaw toward a point approximately above the target and then downward toward the target in pitch; and

    (e) directional information resolver circuit means for using the differences in times of arrival of pulses in order to establish the instantaneous position of the missile in terms of coordinates that constitute said artificial coordinate system.

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