Incremental printing of symbolic information – Light or beam marking apparatus or processes
Reexamination Certificate
2007-01-02
2007-01-02
Pham, Hai (Department: 2853)
Incremental printing of symbolic information
Light or beam marking apparatus or processes
C347S250000, C347S235000, C347S260000, C347S129000, C250S205000
Reexamination Certificate
active
10805531
ABSTRACT:
A light beam scanning apparatus according to an embodiment of this invention includes a reflection unit for reflecting a light beam, a rotation unit for rotating the reflection unit, a rotation control unit for controlling rotation of the rotation unit, a rotational speed detection unit for detecting a rotational speed of the rotation unit, a light amount control unit for, before the rotational speed detection unit detects that the rotational speed has reached a predetermined rotational speed, controlling light emission of the light beam and controlling the light amount of the light beam to a predetermined value, and a light emission control unit for, after the rotational speed detection unit detects that the rotational speed has reached the predetermined rotational speed, controlling a light emission timing of the light beam.
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U.S. Appl. No. 10/805,306, filed Mar. 22, 2004, Komiya et al.
Inagawa Yuji
Ishikawa Daisuke
Komiya Kenichi
Tanimoto Koji
Martinez Carlos A
Pham Hai
Toshiba Tec Kabushiki Kaisha
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