Tracking and/or guidance systems

Details Tracking and/or guidance systems Tracking and/or guidance systems

1974-11-21

1976-08-31

Wilbur, Maynard R.

Aeronautics and astronautics

Missile stabilization or trajectory control

Automatic guidance

250203R, 356 4, 356152, F41G 700

Patent

active

039776280

ABSTRACT:
A tracking and/or guidance system is disclosed for defining a route to be followed by a vehicle or projectile to a target. The system includes a tracking device which is arranged firstly to operate in an acquisition mode, applicable when the vehicle or projectile is close to the device, and subsequently to be progressively converted into a tracking mode as the distance between the vehicle or projectile and the device increases. In the acquisition mode, the device has a wide field of view but is relatively insensitive to deviations of said vehicle or projectile from said route. As the aforesaid distance increases, however, the field of view is progressively reduced and the sensitivity to said deviations is progressively increased. The invention thus provides a system which is suitable for the both initial acquisition and long range guidance of a vehicle or projectile aimed towards a distant target whilst using a conveniently small detector arrangement.

REFERENCES:
patent: 3218909 (1965-11-01), Fain
patent: 3296443 (1967-01-01), Argyle
patent: 3497695 (1970-02-01), Smith
patent: 3638025 (1972-01-01), Dishington

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