Re: TI-H: Another memory expander idea.

To: ti-hardware@lists.ticalc.org
Subject: Re: TI-H: Another memory expander idea.
From: bryanr <bryanr@flash.net>
Date: Sun, 19 Jul 1998 01:45:17 -0400
Delivered-To: ti-hardware-outgoing@towerguard.unix.edu.sollentuna.se
References: <fc.000f62d1001018133b9aca009b11192b.101815@pinecrest.edu>
Reply-To: ti-hardware@lists.ticalc.org

David Norelid wrote:
> >What about a SOUND link (would be >above audible freq.  I'm no expert in
> >electronics, but it sounds feasible.)
> >
> >it would be pretty unstable, i think. especially if someone was usiong
> those pest controller things or dog whistles.>
> >
> 
> FUZZ
> I Don't See Why Not

Back in the early days of TV remote controls (yeah, back when you
actually had to get off your @$$ to change the channel) a few
companies, mostly RCA I think, produced TVs with ultrasonic
remote controls. Only dogs hated them, they were maybe 60%
reliable at best, and didn't work so well in padded rooms,
which is where most of the people on this list belong :)

Then it suddenly dawned on them... hey, lets stop using
$15 transducers and modulate $0.15 IR LEDs...

Bryan

-- 
Bryan Rittmeyer
mailto:bryanr@flash.net
http://www.flash.net/~bryanr/

References:

Re(2): TI-H: Another memory expander idea.

From: fuzz@pinecrest.edu (David Norelid)

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