13 Jan
2005
13 Jan
'05
1:40 p.m.
> A thin mylar strip, say standard 1" wide,
with an optical reader
> you wouldn't need to make holes, only dark spots.
> Use a laser whose output the tape isn't transparent to; a "1" is a
> heat-distorted/discolored spot. A smaller spot for the "sprocket"
> hole/index.
On Thu, 13 Jan 2005, William Donzelli wrote:
Its been done. The amount of information on a tape was
impressive, even by
todays standard, but the syste, went nowhere. I don't even recall the name
of the company.
How about Emanuel Goldberg's "Rapid Selector"?
Or Vannevar Bush's Memex that was based on it
(photocells with bits stored on photographic film)