9 May
2014
9 May
'14
3:07 p.m.
On 05/09/2014 01:41 PM, Tony Duell wrote:
It seems to me that, while the sprocket holes are useful, they're not
particularly necessary for reading. One can sample each frame several
times with a modern MCU as it goes by and figure out pretty precisely
where the center of the frame lies--and probably the angle of the tape skew.
Not that I've ever had a need to try it...
--Chuck
The tape
readers on these units are star wheel, and don't work well on tapes
that haven't been evenly punched. I've noticed DEC paper tapes sometimes have
this problem
That surprises me, as the DEC rader in the PC04/PC05 is also a
sprokect-feed unit. The sproket is quite larrge, but it would still give
problems with non-even spacing of the characters.