OPTICAL APERTURE HAVING A NON-CIRCULAR OPENING AND OPTICAL SYSTEM INCLUDING SUCH APERTURE
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United States of America Patent
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Issued Date -
Oct 24, 2024
app pub date -
Apr 4, 2024
filing date -
Apr 4, 2024
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Abstract
An aperture having a non-circular aperture comprises a first ring and a second ring rotatable relative to each other, and a plurality of blades, wherein edges of the blades define the aperture. The diaphragm includes a plurality of joints, wherein each joint pivotably connects one blade to the first ring. The diaphragm further comprises a plurality of grooves, wherein a number of the grooves corresponds with the number of the blades, wherein the grooves are provided on the second ring, wherein a connector is provided on each blade, wherein the connector engages with the groove and is moveable along the groove. The joints are positioned at varying distances in the circumferential direction about the rotation axis. Moreover, the edges of the blades defining the aperture have different shapes.
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