7 Oct
2008
7 Oct
'08
2:36 p.m.
At 09:00 AM 10/2/2008, Keith Monahan <keithvz at verizon.net> wrote:
I think there was some TV program here in the US that
did something similar. They sold relatively inexpensive decoders, that I think attached
via rs-232, which allowed you to receive the data. I believe, however, that they used the
entire screen, or a box in the center of the screen, and everything was visible.
In the early 80s, I think there were some very low-speed data stream systems
via teletext ( http://en.wikipedia.org/wiki/Teletext ) that could send
the stream out RS-232. Is my memory correct?
In June 2001 and October 2004, this list discussed the Infocipher modems
for cable systems:
http://en.wikipedia.org/wiki/X*Press_X*Change
Much higher-speed.
- John