2. SURPRISE: PEOPLE STILL USE PEN AND PAPER!!

3. SOLUTION: SMART ERASER

4. DESIGN: Eraser material 3 States: –OFF –READ –WRITE Simple and attractive

5. COMPONENTS: Mini camera : - diodes Chip: - memory buffer - software Small printer: - pins / ink jets

6. POWER CONSIDERATIONS: Only needed to set the pins for the next image. The pressure exercised on the eraser can be used to push them back. Battery watch ??

7. PERFORMANCE: Data resolution :200 dots/inch Sampling rate :200 /sec Duty cycle :0.5 % Memory:depends on the amount of information we want be able to store – from one line to whole day work – up to 2MB.

8. Price: keep as low as possible Camera$ 1.50 Chip$ 0.25 Printer$ 1.50

9. Subject testing