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| Number | Title | Issue Date |
| 5172145 | Bidirectional, cassette-loaded changer mechanism for overhead transparencies A transparency changer attachment for an overhead projector includes hinged horizontal and vertical portions that are located over the projector cover glass and down the projector side, respectively. Transparencies are automatically sequentially fed by pi... | 12/15/1992 |
| 5159363 | Optical system The invention relates to an overhead projector for projecting images, said projector including a liquid crystal display panel arranged in the imaging plane, an optical imaging unit and a lamp and reflector arrangement accommodated in a housing as well as ... | 10/27/1992 |
| 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 |
| 5083153 | Film transporting apparatus A photographic film is transported by a pair of endless belts past an exposure aperture and a pair of magnetic heads. The heads are mounted in a film platen in alignment with the belts so that the belts provide backup support to the film during recording ... | 01/21/1992 |
| 5041933 | Magnetic head suspension apparatus for use with a photographic film A magnetic head suspension system for use in a photofinishing operation comprises a fixed support and a pair of magentic head suspension assemblies each rotatably mounted on the support. The magnetic head suspension assemblies are biased towards each othe... | 08/20/1991 |
| 5034836 | Magnetic head suspension apparatus for use with a photographic film A head suspension system for use in a photofinishing operation comprises a movable support mounted for movement through an arc having a predetermined radius and a pair of magnetic head suspension assemblies each rotatably mounted on the movable support. T... | 07/23/1991 |
| 5031773 | Photographic image set In a final phase of the photographic process a customer generally receives an envelope containing a group of prints and a plurality of strips of negatives associated with the prints. Packaging the prints and negatives in this manner can lead to the negati... | 07/16/1991 |
| 5028940 | Camera apparatus for magnetically recording on film A photographic still camera includes a magnetic head for recording information on a magnetic surface of photographic film. The head is supported on a carriage which is mounted on a film platen for movement relative to the platen perpendicular to the longi... | 07/02/1991 |
