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US9040915B2
(en)
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Optical module for simultaneously focusing on two fields of view
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US7072114B2
(en)
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Optical pickup using an optical phase plate and which is compatible with optical recording media of different types
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US9702818B2
(en)
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Detection of raindrops on a windowpane by means of camera and light
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JP2015519554A5
(sv)
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US20020024917A1
(en)
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Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens
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US4741605A
(en)
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Multifocal objective
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US3588227A
(en)
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Lens system for focusing two spaced objects on the same focal plane
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US2546995A
(en)
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Condensing stereoscopic lens
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DE416246C
(de)
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Zusatzsystem, welches dazu bestimmt ist, innerhalb eines Lichtbildsystems oder in dessen unmittelbarer Nachbarschaft angebracht zu werden
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CH378559A
(de)
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Polyfokal-Linsensystem
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FR833904A
(fr)
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Perfectionnements aux dispositifs optiques pour la photographie
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SE115876C1
(sv)
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