TODAY’S PATENT – TEACHING DEVICE
The TEACHING DEVICE was invented by Marlin Van Wilson (Barboursville, VA) on the 13th of July 1976 , bearing patent number US3968575A.
The present invention relates to audio visual devices for teaching a variety of subjects and motor skills to students and is more specifically directed to a unique and effective teaching device wherein a visual and an audio device are controlled by a control package to provide an interacting teaching device which is capable of responding to the student’s capability to learn and remember the program material being taught.
Obtainment of the objects of this invention is enabled through the provision of a work stand containing a projector and accessory optics for projecting a visual image onto a work surface of the work stand convenient for the student to be able to write within the area of projection on an answer or blank sheet of paper. One of the objective of the present invention is to provide an audio visual device in which the visual image is also a working medium interacting with tactile sense of the student.