Thank, Very usefull! thank so much. Ops! quad-core is a problem... I take you informed of developments.. bye
litlle girl ha scritto: > Lov level scanner driver is required, gt68xx ie. > > 1. the optical package of each scanner cannot be placed end-to-end and > > get a complete scan, because there is some dead space for packaging or > > mechanism on the ends. so now you have to stagger them, and then have > > a staggered calibration strip. correcting skew and adjusting height > > will be excercises in very precise machining. > Scan heads packagins can ovelap themselves, there will be no dead > space, with constant y offset, it will be easy to produce image. > ---------=====- (head1) > -----=====----- (head2) > -=====--------- (head3) > > > 3. you will have to have a much larger motor, or convince the series > > of motors to move at EXACTLY the same rate, or some of them will be > > dead weight (very difficult to do if they have independent > > controllers) > There is easy way: > connect one controler to all motors > (split signal) > (each head will have own motor) > in one cycle all scanning all heads go 1 step, > then colect data from all scanning heads, > then make next step.... > with dualcore or quadcore CPU collect all data > will not be a problem, > (conect heads to all usb ports avaible, > not to one potr or hub) > USB1.1 max transfer is 12 Mbit/s (1.5 MB/s) > so i.e. 10 heads can make max transfer about 120Mbit (15MB/s) > this is no problem download it and save to disk(s) > > Regs, > LLG -- Email.it, the professional e-mail, gratis per te: http://www.email.it/f Sponsor: EmailBlog: news, curiosit?, tendenze dalla rete ... e le tue opinioni! Clicca qui: http://adv.email.it/cgi-bin/foclick.cgi?mid=8138&d=23-7
