Optical cant sensor for mortars

Details Optical cant sensor for mortars Optical cant sensor for mortars

1977-08-09

1978-11-21

Buczinski, S. C.

Optics: measuring and testing

Angle measuring or angular axial alignment

With photodetection remote from measured angle

89 41B, 89 41L, 356138, 356153, 356154, G01B 1126, F41G 316

Patent

active

041263944

ABSTRACT:
A mortar barrel is fitted with a plane mirror which reflects a first image n a viewing screen positioned in front of the mortar. A floating mirror which remains level with the ground plane is mounted to the barrel and reflects a second image on the viewing screen. Adjustment of the mortar is made for superposition of both images. After repeated firings, motar cant movement may be detected by the relative displacement of the images which requires readjustment.

REFERENCES:
patent: 2977858 (1961-04-01), Jasse
patent: 3480367 (1969-11-01), Husted et al.
patent: 3614439 (1971-10-01), Beelik, Jr. et al.
patent: 3891323 (1975-06-01), Ryan et al.

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