4. Optical: systems and elements
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Projection lens for projector

Optical: systems and elements – Lens – Including a nonspherical surface
Patent

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Projection lens having all glass lenses in a second lens group

Optical: systems and elements – Lens – With field curvature shaping
Patent

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Projection lens incorporating a pair of matching plastic lenses

Optical: systems and elements – Lens – With field curvature shaping
Patent

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Projection lens manufacturing apparatus, projection lens...

Optical: systems and elements – Lens – With support
Reexamination Certificate

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Projection lens movement-adjusting apparatus

Optical: systems and elements – Lens – With support
Reexamination Certificate

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Projection lens shifting mechanism

Optical: systems and elements – Lens – With support
Reexamination Certificate

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Projection lens shifting mechanism and rear projection...

Optical: systems and elements – Lens – With variable magnification
Reexamination Certificate

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Projection lens system

Optical: systems and elements – Lens – With field curvature shaping
Patent

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Projection lens system

Optical: systems and elements – Lens – With field curvature shaping
Patent

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Projection lens system

Optical: systems and elements – Lens – With field curvature shaping
Patent

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Projection lens system

Optical: systems and elements – Lens
Patent

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Projection lens system

Optical: systems and elements – Lens – With field curvature shaping
Reexamination Certificate

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Projection lens system

Optical: systems and elements – Lens – With variable magnification
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Projection lens system

Optical: systems and elements – Lens – With field curvature shaping
Patent

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Projection lens system

Optical: systems and elements – Lens – With field curvature shaping
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Projection lens system

Optical: systems and elements – Lens – With field curvature shaping
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Projection lens system

Optical: systems and elements – Lens – With field curvature shaping
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Projection lens system

Optical: systems and elements – Lens – With variable magnification
Patent

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Projection lens system

Optical: systems and elements – Image stabilization – By movable refractive structure
Patent

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Projection lens system

Optical: systems and elements – Lens – With field curvature shaping
Patent

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