1975-11-07
1977-02-22
Grieb, William H.
35 9E, G09B 1700
Patent
active
040085295
ABSTRACT:
A teaching apparatus and method are disclosed which utilize pages having written material thereon to be learned in combination with transparent sheets having selected opaque areas, the transparent sheets preferably being about the size of one of said pages. In the apparatus each transparent sheet contains randomly spaced, opaque areas which obscure parts of individual letters, whole letters or larger sized multiple indicia portions of the written material. The transparent sheets are necessarily assembled in register and maintained in register with one another and are fastened together along one of their common edges to form a set. The method of using the apparatus is generally as follows: after the written material has been read in its entirety, the bottom transparent sheet in the set is placed alone over the page of printed material so that the random marks on the transparent sheet partially obscure the underlying indicia. The partially obscured written page is then studied even though partially obscured. The recollection and logical deduction of the reader provides the obscured portion whereby the learning process is enhanced. Additional sheets with interlaced random marks are then overlaid on the printed sheet with the random marks progressively obscuring additional areas of the underlying printed material. As each successive transparent sheet is overlayed upon its predecessor, the written material is progressively more fully obscured, thus compelling a user of the teaching apparatus to recall step by step more and more of the substance, or display words on the page of written material. When one page of indicia bearing material has been studied by the learner, the set of transparent sheets may be reused upon another page of material.
REFERENCES:
patent: 807648 (1905-12-01), Wiggins
patent: 2075529 (1937-03-01), Leubrie
patent: 3021612 (1962-02-01), Palmer
patent: 3135059 (1964-06-01), Barish
patent: 3613266 (1971-10-01), Conway
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