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Topic: Baudot

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In the News (Wed 19 Jun 19)

  Baudot code - Wikipedia, the free encyclopedia
The Baudot code, named after its inventor Émile Baudot, is a character set predating EBCDIC and ASCII and used originally and primarily on teleprinters.
Baudot's original code, developed around 1874 is known as International Telegraph Alphabet No 1, and is no longer used.
Recently, the Baudot code was made famous by the British band, Coldplay, who used the code as the album art of their third album, XandY.
en.wikipedia.org /wiki/Baudot_code   (601 words)

 Baudot codes
The baudot code was used extensively in telegraph systems.
It is a five bit code invented by the frenchman Emile Baudot in 1870.
To accomodate all the letters of the alphabet and numerals, two of the 32 combinations were used to select alternate character sets.
home.austin.rr.com /kinghome/signpage/baudot.html   (86 words)

 Emile Baudot By Johnny Jung
Emile Baudot was born in 1845, Magneux, France and died on March1903, Sceaux.
Baudot used a different type of code for his system because Morse code didn't lend itself to automation, this was due to the uneven length and size of bits required for each letter.
During this period of twenty years, Baudot installations multiplied in France and spread in foreign countries, everywhere assuring excellent service in doubling, tripling, or quadrupling the efficiency of the wires.
www.hallikainen.org /cuesta/et153/StudentPapers/Baudot/Jung.html   (627 words)

 Baudot Data Communication Code   (Site not responding. Last check: 2007-10-20)
In the Baudot code, each five bits transmitted must be interpreted according to whether they are up-shifted (figures) or down-shifted (letters).
The complete BAUDOT code (modified for this problem) is shown in the table at the end of this problem.
The first part is the Baudot character set: line one contains the 32 down-shift characters and line two contains the 32 up-shift characters.
acm.uva.es /p/v7/740.html   (353 words)

 [No title]
Baudot was, this time, the one with the priority, though it hadn't been intentional on the part of the supervisor.
Baudot thought for a nanosecond that he'd blasted the very substrate on which he stood.
Baudot intercepted the command packet on the main bus and found the address of the back-up.
www.freenetpages.co.uk /hp/lennybruce/jokes/shoot-out.txt   (1237 words)

 Saint Anselm College - Politics - Barbara Baudot
She has assisted in the work of the Copenhagen Seminars convened by the Danish Minister for Development Cooperation and serves as coordinator of the Triglav Circle, a group of scholars, professionals, and public servants that meet regularly in Cambridge, MA to explore these issues.
Baudot is also an academic (assistant professor in Politics at Saint Anselm College), and her past experience includes service as an economic affairs officer with the United Nations where she participated in north/south negotiations in UNCTAD and prepared studies on problems of foreign investment.
Although Dr. Baudot's coverage of the law has the shortcomings to be expected of the work of a person who is not legally trained, lawyers concerned with international trade will find her book worth skimming through and dipping into.
www.anselm.edu /academic/politics/newdesign/facultybaudot.html   (824 words)

 Obituaries: Emile Baudot   (Site not responding. Last check: 2007-10-20)
Emile Baudot, principal engineer of the Posts and Telegraphs of France, died March 28 at Sceaux, near Paris, at the age of fifty-seven and a half years, after a long illness.
Baudot has not been the result of happy luck, but the result of stubborn work and the persistent study of a beautiful intelligence.
Baudot, in perfecting the means of exchange of thoughts, has credited humanity.
www.transbay.net /~enf/baudot/necrologie.html   (594 words)

 Some words on the life and work of Mr. Baudot
Baudot never ceased to aid us in our efforts to penetrate all the mysteries of his admirable apparatus; for entire hours we handled the plans and diagrams in the small rooms on the fourth floor of the vast hotel on the Rue de Grenelle, where the "Baudot Course" could always be found.
Baudot invented a "retransmitter," consisting of contact springs adapted to the brushes of the electro-needles of the translator; we saw this function at the central post in the presence of the inventor and of Mr.
Baudot and Robichon constructed a small element of copper sulfate that first of all provoked our hilarity the first time we saw it, because of its extreme resemblance to the first expriment by the famous Daniell, invented in 1837.
www.transbay.net /~enf/baudot/quelques-mots.html   (1757 words)

 Baudot   (Site not responding. Last check: 2007-10-20)
Jean-Maurice-Emile Baudot was born in Magneux (Haute-Marne) the 11th of September, 1845.
On June 17, 1874, Baudot patented, under the number 103,898 and the title "System of rapid telegraphy" his first apparatus, which was both multiple and really printing, since the conventional signals were translated automatically into typographic characters.
Baudot died on March 28, 1903, at Sceaux, France, near Paris, at the age of fifty-seven, after a long time illness.
chem.ch.huji.ac.il /~eugeniik/history/baudot.html   (1508 words)

 Adventures in CyberSound: Baudot, Jean-Maurice-Émile
In Baudot's code, each letter was represented by a five-unit combination of current-on or current-off signals of equal duration; this represented a substantial economy over the Morse system of short dots and long dashes.
Baudot also invented (1894) a distributor system for simultaneous (multiplex) transmission of several messages on the same telegraphic circuit or channel.
In Baudot's alphabet (not code) the signals which created the letters differed not only in length but also in their respective position.
www.acmi.net.au /AIC/BAUDOT_BIO.html   (390 words)

 Baudot Character Code Reference
The Baudot character code system is a method of transmitting basic text messages containing the Roman alphabet and numerals, along with a limited set of symbols.
The earliest Baudot devices were essentially modified typewriters, so the two shift codes performed the same function as setting or releasing the SHIFT LOCK key on a standard typewriter keyboard, mechanically selecting the top or bottom set of characters on the print hammers that would be used from that point on.
The Baudot character code was also used in the early "5-level" two-wire and radio-based "Teleprinters" that appeared early in the 20th century.
nemesis.lonestar.org /reference/telecom/codes/baudot.html   (1145 words)

 Problem #1: Baudot Data Communication Code
The ideal encoding scheme will provide a unique code for every possible character to be communicated and stored in the computer, but this requires that each group have a sufficient number of bits for each data character.
Baudot uses five bits per character, thus allowing up to 32 distinct characters.
As a technique used to extend this limitation, the code uses up-shift and down-shift modes as is used on a typewriter.
www.acm.inf.ethz.ch /ProblemSetArchive/B_US_EastCen/1988/baudot.htm   (359 words)

 CTO Sea Dogs
The original Baudot code defined the familiar structure of a 5-level code set, using LTRS and FIGS case shifting, and became known as the International Telegraph Alphabet 1 (ITA1).
Another recognition of Baudot's contribution to data communications is the term "baud," which refers to bits-per-second speed of serial data.
While Baudot's code was designed with finger-actuation in mind, Murray's code was designed for mechanization, to minimize machine wear for frequently-occuring characters.
groups.msn.com /CTOSeaDogs/baudotcode1.msnw   (1057 words)

 Baudot Code Table
This table presents a programmer's quick reference to the "Baudot" character set.
Baudot's code was replaced by Murray's code in 1901.
The 'baudot' code has been used extensively in telegraph systems.
www.dataip.co.uk /Reference/BaudotTable.php   (213 words)

 On the origins of serial communications and data encoding
Baudot's system proved to be fairly successful, and it remained in widespread use in the 20th century until it was displaced by the telephone, and, of course, personal computer communications.
Baudot also left a portion of his name to posterity in the form of the “Baud rate,” which refers to the number of data signaling events that occur in a second.
The reason Baudot was forced to limit his character code to 5 bits — and hence leave out the lower case Latin letters — was because of hardware constraints.
www.staubassociates.com /dbase/bu07sh.htm   (1699 words)

 Baudot and CCITT codes
The Baudot code, invented in 1870 and patented in 1874 by J. Baudot is a five-bit binary code.
The Baudot code includes two 30-symbol character sets, and two Shift symbols, the shift symbols are used to shift between the two character sets, thereby allowing for 60 different symbols.
It was very common for Baudot code to be used in conjunction with a paper tape punch and reader; teletype machines often had an integral paper tape unit.
rabbit.eng.miami.edu /info/baudot.html   (496 words)

 The First Printing Telegraphs
The two-channel paper tape technique pioneered by Sir Charles Wheatstone was subsequently extended to handle the Baudot Code.
In the case of the Baudot Code, twenty-six of these combinations were used for letters of the alphabet, leaving eight spare combinations for an idle code, a space code, a letter-shift code, and so on.
Unfortunately, none of these systems were tremendously robust or reliable, and they all suffered from major problems in synchronizing the transmitter and the receiver such that both knew who was doing what and when they were doing it.
www.maxmon.com /1880ad.htm   (647 words)

 Emile Baudot
Jean Maurice Emile Baudot (1845-1903) was a French engineer who invented the first digital Telecommunications code and hardware.
The legacy of Baudot's work is alive today.
Baudot needed 26 characters for the alphabet, 10 for numbers, and more for miscellaneous characters.
www.sonic.net /~john1/ebaudot   (513 words)

 Baudot code   (Site not responding. Last check: 2007-10-20)
Baudot's original code, develped around 1874 is known as International Telegraph Alphabet No 1, and is no longer used.
ITA2 is still used in TDDss and some ham radio applications, such as RTTY.
NOTE: This table presumes the space called "1" by Baudot and Murrey is rightmost, and least signifigant.
www.encyclopedia-1.com /b/ba/baudot_code.html   (467 words)

 Shootout at the Nought-K Corral
Baudot, luckily had tapped the terminal pipes and caught the potential ultra-lockout.
He wished he had formed a stack to he could have popped that one off first, but he was locked into his data structures and, with limited cycles at his disposal, this was no time to modify his algorithms.
Baudot paid him off in account time, so that he wouldn't call User Services, and continued down his path.
allegedly.petebevin.com /ok.html   (1316 words)

 Baudot code : IA2
The Baudot code, named after its inventor Emile Baudot, is a character set predating EBCDIC and ASCII and used originally and primarily on teleprinters.
Baudot's original code is known as International Telegraph Alphabet No 1, and is no longer used.
Baudot code was then improved by Donald Murray[?] by adding extra characters and shift codes.
www.freearchive.info /ia/ia2.html   (572 words)

 NADCOMM Photo's   (Site not responding. Last check: 2007-10-20)
The Baudot distributor could be designed so that it could be used by from two to six operators, with the quadruple Baudot system, using four operators, adopted as the standard installation for use in the British Post Office.
The manipulation of the Baudot keyboard called for a high degree of operating skill, since a definite, unvarying, rhythmic speed of signalling was necessary.
No teleprinters were ever produced which used the Baudot code, but that is hardly surprising when one considers that the Baudot code was used in a very early synchronous system, and all teleprinters, as we now know them, operate on the start-stop (asynchronous) principle.
www.nadcomm.com /fiveunit/fiveunits.htm   (2147 words)

 Chapter Four   (Site not responding. Last check: 2007-10-20)
The Baudot code was brought into use in 1874 when it was used to increase traffic on telegraph systems.
Baudot is a 5-bit binary language that is transmitted at a fixed speed of 45.5 bits per second, about 60 words per minute.
Baudot and ASCII are fundamentally incompatible with one another [see the discussion on Baudot/ASCII modems later in this chapter).
oscar.ctc.edu /access/atclass/ATChapter4.html   (9006 words)

 TTY Access to IVR Systems   (Site not responding. Last check: 2007-10-20)
Baudot is an older telecommunications protocol, employing 5 bit FSK and a mode character to shift from letters to numbers.
The non-error-correcting nature of the Baudot protocol means that if a significant number of characters is lost in playback, the customer may be able to re-play the message in order to capture its meaning.
The Baudot letters “HD” or “HLD”, which are understood by TTY users to mean “Hold.” This will secure the attention of any TTY users, while being short enough (less than 0.5 seconds) not to confuse or inconvenience hearing callers.
www.inclusive.com /mmr/appendices/cti.htm   (1430 words)

 Encyclopedia: Baudot code   (Site not responding. Last check: 2007-10-20)
A character encoding consists of a code that pairs a set of characters (representations of graphemes or grapheme-like units, such as might appear in an alphabet or syllabary for the communication of a natural language) with a set of something else, such as numbers or electrical pulses, in order...
Teletype machines in World War II A teleprinter (teletypewriter, teletype or TTY) is a now largely obsolete electro-mechanical typewriter which can be used to communicate typed messages from point to point through a simple electrical communications channel, often just a pair of wires.
It means "Who are you?" Code points 0D, 14 and 1A are not used in telex communication.
www.nationmaster.com /encyclopedia/Baudot-code   (1281 words)

 The Dead media Project:Working Notes:39.4
The system brought out in 1874 by Emile Baudot and since considerably developed is a multiplex system giving from two to six channels on one wire, each channel giving a working speed of thirty words per minute.
A computer programmer, looking at Baudot, is struck by how the letters and numbers are not ordered by their binary numeric representation.
Surplus Baudot code teleprinters with built-in modems were also distributed to hearing-impared individuals who could then communicate independently.
www.deadmedia.org /notes/39/394.html   (1008 words)

 Baudot Radioteletype (ITA2)   (Site not responding. Last check: 2007-10-20)
HF baudot is usually sent by frequency-shift keying, as we see here.
Baudot is asynchronous, and uses pulses of varying lengths, accounting for the gaps we see here and also for its intermittent sound on the air.
Baudot bits have no redundancy, and degraded propagation causes missed characters, wrong characters, or whole screens full of gibberish.
www.ominous-valve.com /rtty.html   (230 words)

 Émile Baudot - Wikipedia, the free encyclopedia
Jean-Maurice-Émile Baudot, (September 11, 1845 – March 28, 1903), French telegraph engineer and inventor of the Baudot code, was one of the pioneers of telecommunications.
The term "baud" (a measure of symbols transmitted per second) is named after Emile Baudot.
In 1949, the French Post Office issued a series of stamps with his portrait.
en.wikipedia.org /wiki/Emile_Baudot   (104 words)

 Coldplay's New Math Rock Out | Science Buzz
Messages in Baudot code could be sent quickly over wires to far-flung parts of the world.
Its great that such a widely recognized band could bring back interest in a old form of communication and thank you for helping people to understand what it is they are seeing on the cover of the album.
However, the Baudot code did not replace the Morse code, the Baudot code was replaced by the Morse code in the early 1900s.
www.smm.org /buzz/node/87   (406 words)

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