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From: Jon Steinhart <jon@fourwinds.com>
To: The Eunuchs Hysterical Society <tuhs@tuhs.org>
Subject: Re: [TUHS] VCF East
Date: Mon, 13 May 2019 09:26:44 -0700
Message-ID: <201905131626.x4DGQiIR018261@darkstar.fourwinds.com> (raw)
In-Reply-To: <CAKzdPgy4hjpwOgqyZshnzu1ZH2yMFXTLue=tKNocOO84JRYBCg@mail.gmail.com>

Rob Pike writes:
>
> Ken tells me (and I now remember) that the photo in the article was of a
> sort of input device, a board built by Dave Hagelbarger that sensed where
> the pieces were so could digitize moves.
>
> -rob

My extremely fuzzy recollection is that Dave had an LC tuned circuit in the
base in each chess piece and an antenna coil underneath each square on the
board.

Jon

  reply index

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-07 12:50 John P. Linderman
2019-05-07 14:17 ` Dan Cross
2019-05-07 14:33   ` David
2019-05-12  8:07     ` Arno Griffioen
2019-05-12 12:09       ` Rob Pike
2019-05-12 12:36         ` Ralph Corderoy
2019-05-13 12:48           ` Rob Pike
2019-05-13 16:26             ` Jon Steinhart [this message]
2019-05-07 16:51   ` arnold
2019-05-07 17:04     ` Anthony Martin
2019-05-10  4:45       ` Greg 'groggy' Lehey
2019-05-07 16:32 jnc
2019-05-07 16:36 ` Angelo Papenhoff
2019-05-14 13:41 Doug McIlroy
2019-05-14 19:36 ` Ralph Corderoy
2019-05-14 21:01   ` Jon Steinhart
2019-05-14 21:48     ` Rob Pike

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