On 9/11/05, Carl Lowenstein <[EMAIL PROTECTED]> wrote:
> Connectors can be designed to transmit the same polarity no matter
> which way they are plugged in. It gets fairly complicated if there
> are more than 4 connections, but fortunately that is all that is
> required for USB.
> You can read about this by a Google search keywords: jef raskin
> hermaphroditic connectors
> I can't find a picture online, so you will have to scare up a copy of
> his book _The Humane Interface_.
Just in case you want to see the pertinent two pages of that book,
here they are, fresh off the scanner.
--
carl lowenstein marine physical lab u.c. san diego
[EMAIL PROTECTED]
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