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Transmissive original projecting apparatus

Optics: image projectors – Miscellaneous
Patent

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Transparency cassette and viewer or projector

Optics: image projectors – Slide transfer mechanism – Feeder magazine and receiver magazine
Patent

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Transparency display system

Optics: image projectors – Slide transfer mechanism
Patent

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Transparency folder

Optics: image projectors – Picture carrier
Patent

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Transparency folder and holder apparatus

Optics: image projectors – Picture carrier
Patent

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Transparency folder and holder apparatus

Optics: image projectors – Picture carrier
Patent

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Transparency for use with a flying spot scanner to generate imag

Optics: image projectors – Mapping or aerial photograph rectifying
Patent

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Transparency holder

Optics: image projectors – Picture carrier
Patent

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Transparency magazine loading device

Optics: image projectors – Slide transfer mechanism
Patent

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Transparency mount providing rotatable projection image

Optics: image projectors – Film gate
Patent

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Transparency overhead projector

Optics: image projectors – Episcope
Patent

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Transparency presentation device

Optics: image projectors – Shutter
Patent

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Transparency presentation organizer for overhead projectors

Optics: image projectors – Picture carrier
Patent

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Transparency projector comprising a plurality of optical systems

Optics: image projectors – Shutter – Plural projection paths
Patent

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Transparency protector

Optics: image projectors – Picture carrier
Patent

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Transparency protector

Optics: image projectors – Picture carrier
Patent

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Transparency storage and display apparatus

Optics: image projectors – Picture carrier
Patent

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Transparency transport system for overhead projector

Optics: image projectors – Slide transfer mechanism – Slides fixed to movable carrier
Patent

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Transparent calculator for overhead projection

Optics: image projectors – Miscellaneous
Patent

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Transparent calculator for overhead projection

Optics: image projectors – Miscellaneous
Patent

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