Photo scanner device

Details Photo scanner device Photo scanner device

1985-10-21

1987-07-07

Corbin, John K.

350 61, 350 62, G02B 2610, G02B 2608

Patent

active

046782630

ABSTRACT:
A photo scanner device including a rotary disk having a plurality of holograms thereon and arranged in at least two concentric circles with respect to the axis of rotation of the disk, and a light source which generates a beam of light which is incident on the disk at a selected radial distance which may be varied so as to illuminate the holograms arranged on a selected concentric circle. The holograms on the same concentric circle each subtend the same angle from the axis, and the holograms on different concentric circles subtend different angles from the axis, thereby permitting the angle of scan to be switched by selection of the radial distance at which the beam of light is incident.

REFERENCES:
patent: 4165464 (1979-08-01), Ikeda et al.
patent: 4266846 (1981-05-01), Ih
patent: 4600266 (1986-07-01), Omi
Elzinga, C. D., et al, "Laser Electrophotographic Printing Technology", IBM J. Res. Develop., vol. 25, No. 5, Sep. 1981, pp. 767-773.
Wyant, J. C., "Rotating Diffraction Grating Laser Beam Scanner", Applied Optics, vol. 14, No. 5, May, 1975, pp. 1057-1058.

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