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5483309 |
Slide projector
A slide projector having a chute (37) for feeding slides (21, 24) to be projected to a projection gate and also having a stack loader (9) with a first and a second storage chamber (17 and 19), each...
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5125734 |
Random access module for slide projector
A module interposed between a slide tray and a projector provides a user selected random presentation of sequentially ordered slides. The module bottom simulates the tray bottom to align gates of...
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5035861 |
Locking rack and disposable sample cartridge
A plurality of disposable cartridges, each having a plurality of wells including at least one assay reaction well, are loaded in a plurality of openings arranged radially around a rack of a...
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4933690 |
Slide changing apparatus with slide jam protection
A slide changing apparatus is disclosed for use in a projection apparatus wherein photographic slides can be projected onto a screen or viewed on a video monitor. The slide changing mechanism...
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4776689 |
Slide magazine for storage and retrieval system
A slide receptacle comprised of a bin (8) and hopper (11) for receiving the bin. The bin is of substantially parallelepipedic shape, having an upper end, a lower end opposite the upper end, and...
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4601559 |
Slide projector and slide tray
The slide projector (4) for single-slide, lap-dissolve or stereo projection, which works on the gravity feed principle, is designed for operation with linear slide trays (1, 2) divided into...
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4595266 |
Multiple projection optics slide projection apparatus using a circular slide tray, having fixed-position slide gates
A slide projector having two projection optics systems (12,14) for display of slides on a screen. Each projection optics system includes a fixed position slide gate (24, 36) into and from which...
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4586798 |
Photographic slide assembly and projector
A photographic slide assembly comprises a transparency and an activator sheet which are relatively movable. The transparency has an illusion-of-motion dot pattern thereon in an image defining area...
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4582407 |
Automatic distributor for flat rigid pieces
The automatic distributor comprises a loader (2) in which slides (3) are stacked and a separation mechanism (10) intended to isolate the lowest slide (3a) of the stack. It comprises, for this...
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4418997 |
Slide projector with circular slides magazine
A slide projector for interchangeable circular slides magazines comprising downwardly open slide compartments (2) is provided with a mechanism, the double function of which is to lock the slide...
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4385816 |
Slide previewer, sorter, and stack loader
A slide previewer/sorter/stack loader having a holder (18) which is adapted to receive two photographic slides in first and second receptacles at one end thereof. The holder is initially positioned...
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4382664 |
Mechanism for transporting a slide from a long magazine into the optical channel of a slide projector
Apparatus is disclosed for viewing photographic slides carried in a long magazine by a slide projector which is configured to accept only a circular slide magazine or carrousel. This invention...
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4291955 |
Gravity-feed rotary tray slide projector
A slide projector for projecting slides transferred into and out of registry with a projection aperture solely by the force of gravity. A rotary slide tray is vertically arranged with the slides in...
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4165161 |
Multiple optics slide projector
The projector includes two projection optics systems and two slide gates which move slides acquired from a slide receptacle into and out of a viewing position in all of the projection optics...
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3905695 |
Controlled reading device
A controlled reading method and apparatus useful in improving a person's ability to view and to comprehend reading material in line by line sequence wherein each line is unveiled and occluded to...
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3905293 |
Plate feed mechanism
An improved plate feed mechanism is operable to engage a printing plate in a drawer, to move the printing plate from the drawer to a printing station, and to return the printing plate to the...
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3884569 |
Slide tray and slide positioning mechanism for a rear-screen projector
A slide projector located within a rear-screen projector housing includes a slide tray and slide positioning mechanism in cooperative relation with a gravity feed slide tray which is removably...
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3876298 |
Shutter and slide clamp control mechanism for a rear-screen projector
A slide projector located within a rear-screen projector housing has a slide tray and slide positioning mechanism, which includes a shutter and slide clamp control portion, in cooperative relation...
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3874788 |
Slide changing mechanism
A slide projector has a projection opening therein and a vertically extending rack or magazine for supporting a vertical column of slides in edge to edge relation above and adjacent to the...
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3874787 |
Audio visual device
An audio visual device for viewing pictures, symbols, reading material and like material synchronized with sound. The device includes a housing having audio and viewing passageways therein. A lens...
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3856391 |
SLIDE TRAY AND SLIDE POSITIONING MECHANISM
A slide projector located within a rear-screen projector housing includes a slide tray and slide positioning mechanism in cooperative relation with a gravity feed slide tray which is removably...
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3854807 |
SLIDE TRAY POSITIONING MECHANISM FOR A REAR-SCREEN PROJECTOR
A slide projector having a slide gate located within a rear-screen projector housing includes a slide tray positioning mechanism in cooperative relation with a gravity feed slide tray which is...
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3790268 |
SLIDE CHANGING DEVICE FOR SLIDE PROJECTORS
A slide projector includes means for receiving a vertical slide stack. A device for indexing the lowermost slide to a film gate and then to a receptacle for receiving viewed slides includes a first...
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3778143 |
REMOTE CONTROLLED SLIDE CHANGER FOR OVERHEAD PROJECTOR
A remotely-controlled transparency slide changer moves a stack of slides on a spindle in an arc from a position clear of the top of the light box of an overhead projector to a position over the...
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3718392 |
INTERLOCKING DUAL PURPOSE SLIDE TRAY STRUCTURE FOR FORMING A SINGLE TRAY OR A PAIR OF TRAYS
A slide tray structure for lap dissolve slide projectors having interleaved tray portions movable between a contracted position, in which a single tray is formed for the loading, editing and...
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3644033 |
SLIDE MAGAZINE
A novel slide magazine especially adapted to present slides accurately to a slide projector in a horizontal plane and to provide a convenient storage device for photographic slides.
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3594078 |
STACK-TYPE SLIDE CHANGER FOR USE WITH A SLIDE DISPLAY DEVICE HAVING A GATE OPEN AT THE TOP THEREOF
A slide loader is mounted over a vertical projection gate open at the top thereof. The slide loader includes supply and takeup magazines for supporting slides in face-to-face contact. A pair of...
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3501233 |
SLIDE PROJECTOR
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3499708 |
SLIDE PROJECTOR AND MAGAZINE THEREFOR
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3477785 |
SLIDE PROJECTOR HAVING A TRAY LOCKING FRAME
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3477563 |
SLIDE PROJECTOR
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3459476 |
AUTOMATICALLY OPERATED SLIDE PROJECTOR
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3411227 |
Photographic slide projector
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3348450 |
Slide-handling structure for photographic projectors, viewers, and the like
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3276314 |
Automatic slide projector
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3146666 |
Automatic slide projector
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3138061 |
Audio visual apparatus
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2953967 |
Projector with removable slide box
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2936672 |
Automatic recycling slide projector
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2922334 |
Slide projector with mechanical feed
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2862319 |
Convertible slide viewer and projector
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2856812 |
Change mechanism for combined slide and film strip projector
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2853816 |
Viewer for film slides
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2795169 |
Slide projector apparatus
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1001965 |
Title is not available
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