Matches 1 - 45 out of 45
Match Document Document Title
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
3501233 SLIDE PROJECTOR  
3499708 SLIDE PROJECTOR AND MAGAZINE THEREFOR  
3477785 SLIDE PROJECTOR HAVING A TRAY LOCKING FRAME  
3477563 SLIDE PROJECTOR  
3459476 AUTOMATICALLY OPERATED SLIDE PROJECTOR  
3411227 Photographic slide projector  
3348450 Slide-handling structure for photographic projectors, viewers, and the like  
3276314 Automatic slide projector  
3146666 Automatic slide projector  
3138061 Audio visual apparatus  
2953967 Projector with removable slide box  
2936672 Automatic recycling slide projector  
2922334 Slide projector with mechanical feed  
2862319 Convertible slide viewer and projector  
2856812 Change mechanism for combined slide and film strip projector  
2853816 Viewer for film slides  
2795169 Slide projector apparatus  
1001965 Title is not available  
Matches 1 - 45 out of 45