Apparatus and method for registering an image on a recording...

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

H - Electricity

04

N

H04N 5/76 (2006.01) H04N 1/036 (2006.01) H04N 1/047 (2006.01) H04N 5/87 (2006.01) H04N 1/10 (2006.01)

Patent

CA 2046799

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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