4. Optical: systems and elements
  5. Lens
  6. With variable magnification

Atsushi Okuyama

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Actuator control device

Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Reexamination Certificate

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Color combining optical system, image projection optical...

Optics: image projectors – Composite projected image – Multicolor picture
Reexamination Certificate

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Color combining optical system, projection-type display...

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Reexamination Certificate

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Color separating optical system, image display optical...

Optics: image projectors – Polarizer or interference filter
Reexamination Certificate

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Color splitting/combining optical system and image...

Optics: image projectors – Polarizer or interference filter
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Profile ID: LFUS-PAI-P-736541

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