On Fri, 16 Feb 2001 21:58:48 -0600 (CST), Chris Brogden wrote:
> It uses the same printing system as the date
>feature on the compacts. LED lights that put the information down as the
>film is winding, not while it is stationery
That matches the info in the Pentax patent on data-imprinting, although that states it
is actualy at REwinding, not during film-advance between shots ...
Summary:
- exposure data is saved in a non-volatile memory at shutter-release time
This memory collects info on ALL frames for a film
- At rewind time, this info is printed BETWEEN the sprocket holes while rewinding
using 4 characters in a 5x7 dot matrix
I would think this scenario makes the mid-roll-change business even more complicated!
An advantage is that no time is wasted during exposure and film-advance.
Regards, JvW
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Jan van Wijk; www.fsys.demon.nl
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