Hi Greg and all,

it is not necessary in thee beginning to supportt all displays. Also, some of the newer displays will actually fully emmulate others so if their native mode is not supported, it's a simple configuration change on board the display. I think the biggest chalenge is fitting the output into the environment bbut then I'm not a developper or software designer.

On Mar 16, 2007, at 11:34 PM, Greg Kearney wrote:

I have a bit of experience in trying to get braille displays to work under the MacOS and I can tell you that it is a much harder nut to crack than any of you realize.

Here are the problems. There are literally dozens of kinds of braille displays, note takers and so on. Each one sells only a few hundred units in any given year. Each and every one communicates with the computer in its own way. The makers of these devices have never standardized on a communication method for them. This means that you are forced to write special code for each one and if the maker changes anything you start all over again. To make matters worse these devices are so expensive that people who own them are reluctant to ever get a new one once they have one meaning that there has to be support for lots and lots of legacy equipment that is out there. Some of these talk USB, some Bluetooth, some serial all have to be supported.

The whole thing is a very complex and time consuming programing task.

Greg Kearney
On Mar 16, 2007, at 21:44 , Ryan Mann wrote:



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From: Ryan Mann <[EMAIL PROTECTED]>
Date: 16 March 2007 5:38:40 PM MDT
To: [email protected]
Subject: Re: needed information on braille displays in leopard


Why wouldn't software companies answer those kinds of questions as soon as possible? It would sure give me more confidence in the software company.
Original message:
Apple isn't under any obligation to release information to the public
until they are ready.  A declination to answer doesn't equate to a
admition of ignorance. This is common with software, which is precisely why, Will, we also do not answer e-mails asking similar questions about
our products at Draconis.  We'll all just have to be patient.

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