Apparatus and method for registering an image on a recording med

Details Apparatus and method for registering an image on a recording med Apparatus and method for registering an image on a recording med

1992-07-10

1992-12-08

Fuller, Benjamin R.

Recorders

Writers

Receiver and marker movable

346108, 346160, 358347, G01D 942, G01D 1514, G01D 584

Patent

active

051701820

ABSTRACT:
Registration of an image with respect to a recording medium in a film recorder or the like is provided by first roughly positioning the recording medium in a support. A beam is then scanned across an unused portion of the recording medium until it impinges a fixed reference mark such as a sprocket hole edge. The coordinates of the beam are determined at the reference mark, and a registration signal is computed therefrom. The beam is then scanned across the recording medium in response to the registration signal to record information in registered relation to the reference mark. An intensity profile of the beam is calculated as it passes over an edge of the recording medium. The focus of the beam is then adjusted according to the intensity profile. Adjustment of both beam focus and lens focus is provided.

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patent: 4768043 (1988-08-01), Saito et al.
patent: 4823204 (1989-04-01), Holland
patent: 4980781 (1990-12-01), Yamamoto et al.
Japanese Patent Application Abstract, Application No. JP87031659, Patent Abstracts of Japan, vol. 13, No. 429 (E-823), Sep. 25, 1989.

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