Inclination adjusting device for an objective lens for an optica

Details Inclination adjusting device for an objective lens for an optica Inclination adjusting device for an objective lens for an optica

1992-10-19

1993-11-30

Ben, Loha

Optical: systems and elements

Lens

With support

359824, 369 4416, G02B 702

Patent

active

052670899

ABSTRACT:
An inclination adjusting device for an objective lens used for an optical information recording and reproduction apparatus with a reduced number of components for a small size and light weight is provided. An objective lens is held at an end portion of a plate spring. The other end portion of the plate spring is fixed to an adjusting board, which is supported in a manner so that it can tilt against a base on a spherical element as a support. The adjusting board is properly positioned with regard to the base by use of one guide pin. The adjusting board is tilted in the longitudinal direction of the plate spring and in the direction crossing the longitudinal direction by use of a first and second adjusting screws, respectively.

REFERENCES:
patent: 4099852 (1978-07-01), Kobierecki et al.
patent: 4498737 (1985-02-01), Doggett

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