Beam recording apparatus with intensity control

Details Beam recording apparatus with intensity control Beam recording apparatus with intensity control

1993-05-21

1995-05-02

Reinhart, Mark J.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

358298, H04N 121

Patent

active

054124085

ABSTRACT:
An image recording apparatus records an image on a recording medium by scanning a spot light beam in accordance with image information. The apparatus has a storage device for storing the image information corresponding in amount to at least three sub-scan lines, and a light intensity controller for increasing and decreasing the intensity the light beam in accordance with the contents of the storage device relative to a standard intensity. A light beam of the standard intensity satisfies a relation of 1.8.ltoreq.d/p where d represents a light beam diameter (defined as the diameter at which the light beam intensity lowers to 1/e.sup.2 (e: base of the natural logarithms) of the intensity at the light beam center, and p represents an interval between respective scan lines.

REFERENCES:
patent: 4257053 (1981-03-01), Gilbreath
patent: 4878068 (1989-10-01), Suzuki
patent: 5057851 (1991-10-01), Hattori
patent: 5155598 (1992-10-01), Ramekers et al.

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