Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent
1997-03-24
1999-09-14
Le, N.
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
347243, 358481, 358474, H04N 104
Patent
active
059530413
ABSTRACT:
An item of office equipment, such as a facsimile machines, is provided having image analysis and laser printing capabilities with a shared mechanical image scanning apparatus. Embodiments include a single assembly with an analysis head and a laser emitting source disposed facing each other, a revolving mirror interposed between them, and first and second returning mirrors disposed symmetrically with respect to a line along which the analyzing head and the laser emitting source are disposed, such that the revolving mirror is located substantially at a point constituting an operational centre of symmetry of the single assembly. This symmetrical design allows the single analysis/printing assembly to be structurally simple and compact, enables the number of photosensors and LEDs necessary for image analysis to be reduced to as few as one of each, and eliminates the need for analog shift registers, thus decreasing the cost, size and complexity of the device.
REFERENCES:
patent: 4358793 (1982-11-01), Hosaka et al.
patent: 5132833 (1992-07-01), Diau
Le N.
Pham Hai C.
Sagem SA
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