Optical scanner with damped coupling

Details Optical scanner with damped coupling Optical scanner with damped coupling

1990-06-01

1992-03-17

Ben, Loha

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359196, 359221, 359224, 310326, G02B 2610

Patent

active

050973568

ABSTRACT:
An optical scanner has a visco-elastic material within a flexible coupling in its shaft assembly. The flexible coupling serves to permit bending of the assembly in response to lateral vibration. However, in response to the bending, the visco-elastic material disposed therein undergoes viscous deformation, thereby acting upon the shaft to rapidly damp the vibration.

REFERENCES:
patent: 1636692 (1927-07-01), Hill
patent: 1832285 (1931-11-01), Elmer
patent: 3799644 (1974-03-01), Street
patent: 3998530 (1976-12-01), Kaschak
patent: 4632501 (1986-12-01), Glynn
patent: 4655543 (1987-04-01), Montagu
patent: 4778233 (1988-10-01), Christensen et al.
patent: 4802720 (1989-02-01), Paulsen
patent: 4919500 (1990-04-01), Paulsen

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