Source: http://www.google.com.ar/patents/US9285511
Timestamp: 2017-11-22 16:44:13
Document Index: 402826790

Matched Legal Cases: ['Application No. 2008311114', 'Application No. 2008331642', 'Application No. 2008331643', 'Application No. 20100234963', 'Application No. 200880110582', 'Application No. 200880110582', 'Application No. 200880111594', 'Application No. 200880111594', 'Application No. 200880111594', 'Application No. 200880118070', 'Application No. 201080016154', 'Application No. 08837977', 'Application No. 10762108', 'Application No. 2010', 'Application No. 2010', 'Application No. 2010', 'Application No. 200880111594', 'Application No. 200880118070', 'Application No. 10762108', 'Application No. 10762153']

Patent US9285511 - Variable power optical system - Google Patents
Liquid lens cells are used in a compound variable power optical system that forms an intermediate image between the object and the final image. A first variable power optical component is located between the object and an intermediate real image. The first variable power optical component varies power...http://www.google.com.ar/patents/US9285511?utm_source=gb-gplus-sharePatent US9285511 - Variable power optical system
Publication number US9285511 B2
Also published as CA2758207A1, CN102388332A, CN106886084A, EP2417488A2, EP2417488A4, EP2417488B1, US8638496, US20100259817, US20140285883, WO2010117731A2, WO2010117731A3
Publication number 14165172, 165172, US 9285511 B2, US 9285511B2, US-B2-9285511, US9285511 B2, US9285511B2
Patent Citations (128), Non-Patent Citations (69), Classifications (4)
US 9285511 B2
1. A variable power optical system configured to form a final image of an object, the variable power optical system comprising:
2. The variable power optical system of claim 1, wherein the axially movable lens is the only moving lens group.
3. The variable power optical system of claim 1, further comprising a second relay lens group positioned on an image side of the objective lens group along the common optical axis, the second relay lens group comprising at least one liquid lens cell having at least two liquids with different refractive properties and at least one variable shape contact surface between the two liquids, with variations in the shape of the contact surface producing a change of optical power in the second relay lens group.
4. The variable power optical system of claim 1, wherein the variable power optical system has a zoom ratio between 2.8× and 4.4×.
5. The variable power optical system of claim 1, further comprising a control system that controls the at least one variable shape contact surface of the at least one liquid lens cell in the objective lens group.
6. A camera comprising the variable optical power optical system of claim 1.
8. The variable power optical system of claim 7, wherein an iris is placed substantially at the stop location to provide a variable aperture.
9. The variable power optical system of claim 1, wherein an optical stop is located between the intermediate image and the final image.
10. The variable power optical system of claim 9, wherein an iris is placed substantially at the stop location to provide a variable aperture.
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International Classification G02B3/14, G02B15/00
Cooperative Classification G02B3/14, G02B15/00