Talk:Baudot code

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This article was originally based on material from the Free On-line Dictionary of Computing, which is licensed under the GFDL.

Contents 1 Baudot keyboard/keyset? 2 F G H ? 3 Hard copy of code missing. 4 Wrong Donald Murray? 5 Tranmission of Data 6 Coldplay album cover 7 Need the Original Code

[edit] Baudot keyboard/keyset?

The keyboard is barely mentioned. It should be described more fully someplace (here or in another article with a linke from here?) and there syould be a photo or diagram. See also chording keyboard and keyer. --Treekids (talk) 19:03, 31 January 2008 (UTC)

[edit] F G H ?

From the article:

"Code points 0D, 14 and 1A are not used in telex communication."

So how did they represent F, G and H? -- The Anome 17:42, Jun 5, 2005 (UTC)

[edit] Hard copy of code missing.

I think that the paper tape storage using Baudot should be metioned also. Messages/programs can be stored in Baudot on paper/mylar tape. This is done with a machine that punches and reads punched tape. See http://chem.ch.huji.ac.il/~eugeniik/history/baudot.html for an example. Also see "Punched tape" in wikipedia.

[edit] Wrong Donald Murray?

From the Article:

"Around 1901 Baudot's code was modified by Donald Murray by re-ordering the characters..."

When I followed the link on the name, I was presented with a article about someone who was born January 24, 1923. Either someone has one (or more) of the dates mixed up, or the link is to a different person with a similar (same?) name.

On the gripping hand, Time travel might be in play here, but if so, please site sources. :-)

This shows the problem of creating a red link and not immediately filling in with a stub. Someone comes later and creates an article with an unintended subject for the original link. I've removed the linking and added dates. The birth year is given various as 1865 or 1866. JonHarder 00:31, 3 February 2006 (UTC)

[edit] Tranmission of Data

How did the transmitter and receiver work? Were the 5 bits transmitted using 2 different voltages or 2 different frequencies? How did the receiver know when a sequence started and how did it differentiate successive bits that are the same (timing perhaps)?

[edit] Coldplay album cover

Of course we have a picture of it here: [[1]]. But how does it decode into Baudot? It looks like either 5 characters, each two rows of colored squares high, but with only 4 bits in each row! Someone has changed it from decoding to "X&Y" to "X96", which is only 3 characters. --Wtshymanski 18:04, 21 June 2007 (UTC)

Start from the bottom left corner, go up - 5 bits. 11101 = "X". The next columns give the FIG shift and then the numbers 9 and 6. Muad 03:56, 2 July 2007 (UTC)

[edit] Need the Original Code

This article starts out by explaining that what we now know as "baudot code" is not the same as Baudot's original code, then goes on to give the code points for ITA2. Seems to me Baudot's original code should be given here (in addition to ITA2). Anyone have it? Rees11 04:18, 29 September 2007 (UTC)

The reference I added today (http://chem.ch.huji.ac.il/history/baudot.html) provides some of the details asked for above along with a dozen references, which should be very helpful to someone.
Something that should be mentioned is the smell of a room full of these clinking, clanking, mechanical beasties and the quarts of light oil it took to keep all those parts from imploding. (On the teleprinter page anyway; I'd guess the ozone level from Baudot's gear was impressive) Twang (talk) 01:47, 13 March 2008 (UTC)