Inclination monitoring system including reflection of collimated

Details Inclination monitoring system including reflection of collimated Inclination monitoring system including reflection of collimated

1997-08-21

1999-03-16

Kim, Robert

Optics: measuring and testing

Angle measuring or angular axial alignment

356375, 359811, 2502014, G01B 1126, G01C 100

Patent

active

058837094

ABSTRACT:
An inclination monitoring system for monitoring an inclination of a lens having a lens portion and a flange portion surrounding the lens portion with respect to a reference plane. The inclination monitoring system includes a light emitting system which emits a collimated light beam towards the lens. The light emitting system and the lens are arranged such that optical axes of the light emitting system and the lens form a first predetermined angle. The monitoring system is further provided with a light receiving system which receives light reflected by the lens. The light receiving system is arranged in a predetermined positional relationship with respect to the light emitting system and the lens. In particular, the collimated light beam illuminates an entire area of the flange portion.

REFERENCES:
patent: 5553052 (1996-09-01), Oona et al.
patent: 5742383 (1998-04-01), Jeon

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