This is a semi-automatic DIY book
scanner. Its features are:
- Automatic
acryl platen lift with stepper motor and linear bearing
- Manual page turn
- Two 16 Mpix still cameras with
adjustable positioning
- LED lighting
- Remote camera control
- One cycle (2 pages): about 6 sec.
- Platten movement, LED brightness
and remote shooting controlled by microprocessor
- Adjustable cradle position
- Key control unit with page number
display
A total of
six book scanners were built and installed in Belgrade,
Ljubljana, Zagreb, Berlin, Calafou (near Barcelona) and
Stuttgart.
All constructive details are
visible on photos and drawings. The mechanical base is mainly
made off melamine faced chipboards and FR4. Acryl platten holder
is mounted on linear bearing, which is driven by stepper motor
and controlled by microprocessor. The only operation which the
operator has to do during the scanning process,is to turn the
page of the book and to press the Start key. It will initiate
the next sequence of steps:
- Acryl
platen moves in the lowermost position and presses the pages by
its weight
- LED lighting is forced to full
power (12 LEDs x 1 W)
- Remote shooting is activated
- LED lighing is lowered
- Acryl platen moves back to upper
(home) position
On the top of the book scanner, there
are four sticks, used as holders for black cloth blinds, to
avoid light reflection on the platen.
