Instructive display for assisting in centering an optical path e

Details Instructive display for assisting in centering an optical path e Instructive display for assisting in centering an optical path e

1994-02-22

1995-08-29

Allen, Stephone B.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

356400, G01J 120

Patent

active

054462746

ABSTRACT:
A polar or vector display provides an operator of an optical instrument with a symbolic instruction regarding the direction and amount of motion required to center an optical element on a chosen path.

REFERENCES:
patent: 3894230 (1975-07-01), Rorden et al.
patent: 3907435 (1975-09-01), Roodvoets
patent: 4772123 (1988-09-01), Radner
patent: 5047609 (1991-09-01), Ekstrand
patent: 5293221 (1994-03-01), Kitajima et al.

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