Focus module and components with actuator
First Claim
Patent Images
1. An optical system comprising:
- an illumination assembly for generating light to illuminate a target;
an image sensor for converting light reflected from the target into electrical signals;
a focus module for focusing light reflected from the target onto the image sensor, the focus module comprising;
a boundary element;
a focus membrane; and
a focus fluid entrapped between the boundary element and the focus membrane;
a deforming element in communication with the focus module, the deforming element comprising;
a ring shaped structure; and
a plurality of tabs extending inward from the ring shaped structure for applying a force to the focus membrane to change the focus membrane'"'"'s curvature by curling in the direction of the focus membrane; and
a lens controller coupled to the deforming element for providing a control signal to the deforming element to vary the force applied to the focus membrane.
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Abstract
A focus module contains a boundary element and a focus element. The focus element includes a fluid and a deformable membrane, with the fluid being entrapped between the boundary element and the deformable membrane. The focus module also includes a pressure element, which is capable of deforming the focus element by pressing on the deformable membrane in the direction of the boundary element.
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Citations
20 Claims
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1. An optical system comprising:
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an illumination assembly for generating light to illuminate a target; an image sensor for converting light reflected from the target into electrical signals; a focus module for focusing light reflected from the target onto the image sensor, the focus module comprising; a boundary element; a focus membrane; and a focus fluid entrapped between the boundary element and the focus membrane; a deforming element in communication with the focus module, the deforming element comprising; a ring shaped structure; and a plurality of tabs extending inward from the ring shaped structure for applying a force to the focus membrane to change the focus membrane'"'"'s curvature by curling in the direction of the focus membrane; and a lens controller coupled to the deforming element for providing a control signal to the deforming element to vary the force applied to the focus membrane. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A device comprising:
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an image sensor for converting light into electrical signals; a focus module for focusing light onto the image sensor, the focus module comprising; a boundary element; a focus membrane; and a focus fluid entrapped between the boundary element and the focus membrane; a deforming element in communication with the focus module, the deforming element comprising; a ring shaped structure; and a plurality of tabs extending inward from the ring shaped structure for applying a force to the focus membrane to change the focus membrane'"'"'s curvature; and a lens controller coupled to the deforming element for providing a control signal to the deforming element to vary the force applied to the focus membrane. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A data collection device comprising:
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a focus module capturing light reflecting from a target, the focus module comprising; a boundary element; a focus membrane; and a focus fluid entrapped between the boundary element and the focus membrane; a deforming element in communication with the focus module, the deforming element comprising; a ring shaped structure; and a plurality of tabs extending inward from the ring shaped structure for applying a force to the focus membrane to change the focus membrane'"'"'s curvature; and a lens controller coupled to the deforming element for providing a control signal to the deforming element to vary the force applied to the focus membrane. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification