Apparatus for determining roll position

Details Apparatus for determining roll position Apparatus for determining roll position

1989-05-08

1992-03-24

Issing, Gregory C.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including polarized signal communication transmitter or...

244 314, 342366, H01Q 2106, F41G 700

Patent

active

050992465

ABSTRACT:
An apparatus for determining the roll position of a spinning projectile with the aid of polarized electro-magnetic radiation comprises a transmitter for emitting polarized radiation in a direction towards the projectile and a polarization-sensitive receiver disposed in the projectile for receiving the polarized radiation. The polarized radiation emitted from the transmitter has an asymmetric wave-form which is formed by superimposing at least two mutually phase-interlocked radiation components of the wavelength relationship of 2:1 and/or multiples thereof, and the polarization-sensitive receiver includes a single receiver antenna.

REFERENCES:
patent: 4641801 (1987-02-01), Lynch, Jr. et al.
patent: 4750689 (1988-06-01), Yff

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