Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent
1988-11-10
1990-12-18
Reinhart, Mark J.
Recorders
Printing, dotting, or punching marker
Ink transfer support or moving means
350 68, G01D 1514, G02B 2608
Patent
active
049789759
ABSTRACT:
A laser recording apparatus comprises laser generating means generating a laser beam, deflecting means for deflecting the laser beam from the laser generating means to apply the laser beam to the surface of a recording medium, and light receiving means for receiving the laser beam deflected by the deflecting means. The light receiving means includes a reflecting member for reflecting the deflected laser beam, a condensing member for condensing the laser beam reflected by the reflecting member, and a light receiving member for receiving the laser beam condensed by the condensing member. The reflecting member and the light receiving member are in optically substantially conjugate relationship with the condensing member in a cross-section perpendicular to a plane in which the laser beam is deflected by the deflecting means. The optical path from the reflecting member to the condensing member is shorter than the imaginary optical path from the reflecting member to the surface of the recording medium.
REFERENCES:
patent: 4447112 (1984-05-01), Matsuoko
Canon Kabushiki Kaisha
Reinhart Mark J.
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