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| Number | Title | Issue Date |
| 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 to take a stack of slides which are in contact with one a... | 01/09/1996 |
| 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 the module and projector. The module top simulates the tray... | 06/30/1992 |
| 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 carousel. Securing of the cartridges in a predetermined orientati... | 07/30/1991 |
| 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 includes a lever having a displaceable part which engages a sli... | 06/12/1990 |
| 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 four sidewalls. A pair of stop means including outwardly prot... | 10/11/1988 |
| 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 compartments. At the top, it has either two receptacles for slide... | 07/22/1986 |
| 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 slides move relative to a circular slide tray (16), which rot... | 06/17/1986 |
| 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 or areas and the activator sheet has an illusion-of-motion... | 05/06/1986 |
| 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 purpose, support elements consisting of claws (12) and locking ... | 04/15/1986 |
| 4466716 | Slide projector having two image-projection systems which operate with a single slide tray The slide projector includes side-by-side image-projection systems and a circular slide tray, with slides passing in operation directly between the slide tray and either of two slide gates, the slide gates moving between a first position in which slides a... | 08/21/1984 |
| 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 compartments and to release the slides magazine from the slid... | 12/06/1983 |
| 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 at an angle above horizontal so that a first slide placed... | 05/31/1983 |
| 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 provides a simple and efficient mechanism for using long magaz... | 05/10/1983 |
| 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 a radial orientation, and the rotary slide tray is arrang... | 09/29/1981 |
| 4232953 | Gravity-feed rotary tray slide projector A slide projector for projecting slides, which may be transferred into the registry with projection aperture and out of the registry with the projection aperture, solely by the force of gravity, without the need for any mechanical slide transferring appar... | 11/11/1980 |
| 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 systems. The slide gates are movable between a first position, w... | 08/21/1979 |
