Microfilm cassette display projector - is fitted with means of reading microfilmed documents without need to produce enlarged prints of microfilm

摘要

The microfilm cassette display projector is designed for reading and viewing information contained on film which is fitted into a cassette, and for projection of the information onto a screen incorporated in the projector. Has a means which is designed for instantaneously introducing the film into the projector and of undertaking projection of the film without the need for manipulation of the film. This means being a cassette, in which the film is wound between two spools (5). The means of projection has two windows (1), one on either side of the cassette. A mirror(2) mounted inside the cassette permits the input and outputs of luminous rays and their reflection from the input window (1) toward the output.