Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent
1988-10-19
1990-08-28
Reinhart, Mark J.
Recorders
Printing, dotting, or punching marker
Ink transfer support or moving means
350 66, 25023113, G01D 1514, G02B 2608
Patent
active
049529463
ABSTRACT:
There is disclosed a scanning beam position indicating arrangement which is employed in an electronic printer for accurately clocking a writing beam of the printer as a function of writing beam position. One embodiment of a scanning beam position indicator arrangement utilizes a Fresnel mirror device. Another embodiment utilizes a holographic encoding element. Still another embodiment utilizes a ellipsoidal mirror device. Another embodiment utilizes a holographic lens.
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Clark Peter P.
Maloney William T.
Norris Philip R.
Vetterling William T.
Payne Leslie J.
Polaroid Corporation
Reinhart Mark J.
Roman Edward S.
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