Rotary wedge scanner

Details Rotary wedge scanner Rotary wedge scanner

2004-05-06

2010-02-16

Phan, James (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S211300, C359S211500, C359S221200

Reexamination Certificate

active

07663791

ABSTRACT:
A scanning system, including a main housing, and at least one optical wedge (12) rotatable about a shaft means (40) located within the main housing (26), wherein a laser beam having an optical axis and incident on the optical wedge (12), is refracted at least once by the wedge; characterized in that the shaft means (40) passes through the center of the at least one wedge (12) and that the optical axis of the incident laser beam is substantially parallel to, but laterally offset from, the shaft means (40).

REFERENCES:
patent: 4118109 (1978-10-01), Crawford et al.
patent: 4407464 (1983-10-01), Linick
patent: 5321259 (1994-06-01), Morgan
patent: 0 633 541 (1995-01-01), None
patent: 317469 (1931-01-01), None
patent: 2000 168698 (2000-06-01), None

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