Viewfinder system for a digital camera and digital camera provided with such a system
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United States of America Patent
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Sep 9, 2008
Grant Date -
Apr 12, 2007
app pub date -
Oct 6, 2005
filing date -
Oct 6, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A viewfinder system for a digital camera comprises a main optical path for projecting an outside scene image onto a light sensitive area facility, which facility determines a user field, and an optical extraction path for through mirror-operation extracting a fraction of the outside scene image onto a viewer optical path. The viewer optical path comprises a first mask for inserting a negative delineating outline into a viewer field and a second mask for inserting a positive delineating outline into the viewer field, both said first and second masks corresponding to the user field.In particular, at least one of the first and second masks is realized by an electronic device that has its mask size variably controlled by an electronic facility on the basis of pixel-wise driving.Advantageously, the electronic device is controlled by a sensor facility that is adapted for with respect to the other of the masks that has a fixed size sensing the latter size.
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