Beam receiving position adjusting device

Details Beam receiving position adjusting device Beam receiving position adjusting device

1993-04-19

1996-09-24

Nguyen, Thong

Optical: systems and elements

Lens

With support

359813, 369 4414, 369 4421, G02B 702, G11B 700

Patent

active

055596398

ABSTRACT:
A device including a polarizing beam splitter by which an incident luminous flux is split into a first luminous flux radiated onto a first photo sensor and a second luminous flux radiated onto a second photo sensor, and an adjusting mechanism provided for adjusting a position of one of the first and second luminous fluxes. The optical axis of the first luminous flux is coincident with that of the incident luminous flux. The optical axis of the second luminous flux is not parallel to the first luminous flux. By moving the beam splitter along the optical axis of the first luminous flux, the beam receiving position of the second photo sensor, onto which the second luminous flux is radiated, is changed.

REFERENCES:
patent: 4841510 (1989-06-01), Yoshizawa
patent: 4850686 (1989-07-01), Morimoto et al.
patent: 5060213 (1991-10-01), Kamisada
patent: 5151889 (1992-09-01), Saimi et al.
patent: 5162938 (1992-11-01), Iima et al.
patent: 5247508 (1993-09-01), Tauaka
English Language Abstract of Japanese Patent No. 61-206944.

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