Sound slide projector

Abstract

Abstract A SOUND SLIDE PROJECTOR FOR PROJECTING STILL PICTURES, PARTICULARLY SLIDES, AND PLAYING BACK SOUND RECORDED ON MAGNETIC TAPE OR RECORDING SOUND ON SUCH TAPE HAS A TRAY FOR ACCOMMODATING A PLURALITY OF CARTRIDGES EACH INCLUDING MAGNETIC TAPE FROM WHICH SOUND IS TO BE PLAYED BACK OR ON WHICH SOUND IS RECORDED AND A COMPARTMENT FOR RELEASABLY RETAINING A SLIDE TO BE PROJECTED. THE TRAY HAS A PLURALITY OF COMPARTMENTS OPEN AT THE BOTTOM AND EACH ACCOMMODATING ONE OF THE CARTRIDGES AND IS MOVABLE WITH REFERENCE TO A PLATFORM INCLUDING A DISCHARGE SLOT. STEPWISE OF THE MOVEMENT OF THE TRAY BRINGS SUCCESSIVE CARTRIDGES INTO REGISTRY WITH THE DISCHARGE SLOT TO PERMIT DROPPING OF THE RESPECTIVE SLIDE INTO A PRESENTATION POSITION. EACH SLIDE IS RETURNED FROM THE PRESENTATION POSITION INTO THE RESPECTIVE CARTRIDGE UPON COMPLETION OF A PRESENTATION. THE SOUND PROJECTOR FURTHER HAS AN OPTICAL SYSTEM FOR PROJECTING A SLIDE IN THE PRESENTATION POSITION AND A SOUND SYSTEM FOR REPRODUCING SOUND FROM THE TAPE OF THE RESPECTIVE CARTRIDGE OR RECORDING SOUND ON SUCH TAPE. A DRIVE MECHANISM INCLUDING A PLAY-BACK CAPSTAN PULLS THE TAPE IN A CARTRIDGE IN THE PRESENTATION POSITION PAST THE SOUND HEAD OF THE PROJECTOR AND A REWIND MECHANISM INCLUDING A REWIND CAPSTAN REWINDS THE TAPE UPON COMPLETION OF A PLAY-BACK OR RECORDING. A CYCLING MECHANISM OPERATES TRAY MOVING MEANS, THE SOUND SYSTEM, THE OPTICAL SYSTEM AND SLIDE RETURNING MEANS IN A PREDETERMINED SEQUENCE AND TIME RELATIONSHIP.

Inventors

• 👤 William Castedello
• 👤 Stephen G Gilvar
• 👤 Ray L Marquis

Bibliographic Details