Instead of cutting down trees and wasting paper where school children write on them and submit papers for grading, wasting paper and ink, why not create an electronic notebook where you write physically with a pen, then "beam" the assignment to your teacher's desk where the teacher sees your handwriting and grades as normal, then "beams" the mark back to you? You dont need a paper and ink and you dont need to cut down trees saving the environment.
Assignments submitted as electronic files in Word documents etc. lack the "personal" touch of handwriting, and to be able to grade, you must grade on a flat 180 degree surface that is parallel to the earth, not look up at a computer screen that is not fit for it because it is 90 degree perpendicular to the earth.
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I am not so sure how teachers feel about reading handwriting, which can be pretty difficult to decrypt, but I find word processing submissions very easy to read and much preferred to handwriting. Reading vertically or horizontally gives me no problems, but it's easy enough to install a monitor screen either way.
Let me make sure I follow you. Your invention is a pen that writes on a notebook-Cool. The pen records strokes of the end user's hand writing which is visible on the notebook's screen-Nice. The document is saved in the notebook's memory and can be beamed in the handwritten form to a teacher-Nifty. The teacher can make grading points on the beamed document and beam it back to the student with the teacher's handwritten comments-OK. BUTI am trying to figure out what is unique or beneficial about this invention... is it the handwritten element or the beaming of documents or the angle at which you can write at or the fact that you don't need conventional paper and pen? I am assuming you are well aware of electronic notebooks and tablets currently available. What is the originality in this idea. Perhaps you are stating that more schools should adopt the use of electronic notebooks?
This increases the cost of education significantly. The touch screen displays are very sensitive and damage easily. Kids tend to destroy things intentionally to further a short term goal. "Mine doesn't work, can I hand it in later", "See, I scratched our name into it", ...
Before this idea has merit, a child-proof touch screen or some similar device needs to be developed. None currently exist for which I am aware.
Turnitin.com already offers these services. This service requires the student submit a digital document. The teacher marks the papers on the computer, using drag-and-drop icons to which custom notes can be added. Additional features include plagiarism detection and peer-review whereby the teacher distributes papers for other students to review and make notes.