Writing machine assembly for producing reduced graphic characters corresponding to gross movements of a writer{40 s arm

Claim 1

A writing assembly comprising: a support; a gimbal means carried by said support having two gimbal sets rotatable respectively on mutually perpendicular horizontal axes, an axially vertical joy stick pivotally carried by said gimbal means and having its lower end movable in all directions in a horizontal plane to outline a character; a bias means connecting said joy stick to said gimbal means so that said joy stick is axially movable; a first index switch means carried by said gimbal means and operable by said joy stick when the same is lifted axially; a signal pickup means operatively connected to said gimbal sets, and carried by said support so that signals are produced as said joy stick is moved; a recorder having a recording pen movable in all directions on a table for writing characters thereon; said recorder having an electromechanical drive means for moving said pen; and having input terminal means for applying a signal to said electromechanical drive means; a first step switch means connected to said first index switch means so that said first step switch means moves one step each time said first index switch is closed; and a first voltage divider means connected in circuit with said first step switch means and said input terminal means of said recorder for applying said signals thereto, so that said pen is indexed one space at a time along a line of writing on said table each time said first index switch means is closed by the lifting of said joy stick.