Irradiating system for line-by-line copier

Details Irradiating system for line-by-line copier Irradiating system for line-by-line copier

1976-04-28

1978-01-03

Corbin, John K.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

350285, 358 84, G02B 2717

Patent

active

040663280

ABSTRACT:
Light is projected as a beam from a fixed laser source onto a helical reflecting surface continuously rotating about its central axis. The beam impinges the reflecting surface in an incident direction substantially parallel to the rotation axis and is reflected from the surface in a direction skew to this axis. A reflector extending the full axial length of the reflecting surface then reflects the beam back onto the reflecting surface in a direction so oriented that the reflecting surface reflects the beam a second time, but now in a direction generally perpendicular to the axis of rotation. The reflecting surface and the reflector are both concave so as to condense the beam.

REFERENCES:
patent: 3729248 (1973-04-01), Beduchaud
patent: 3823276 (1974-07-01), Maslowski et al.

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