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Pen-writing Input for Conference Equipment

[Introduced Product]
9.4inch  4-Wire Resistive
Anti-newtonring Film
Office Equipment
[Application (machine)]
Pen Input
[Case Overview]
This case is an overhead projector used at conferences. An operator can write information on to the projected images with a pen.
[Solution Story]
As pen input was required, we proposed a 4wire resistive touch screen because input can be made with any material. We selected spacer dots smaller than standard so that pen operation will be smoother. Newtonring was a concern as a possible side effect of the smaller dots (the smaller the distance between the top and bottom layer, the greater the possibility of newtonring). We used the film with anti-newtonring function.