Timeline of Communication Systems: Introduction

The timeline of communication systems presents a chronological overview of the most important events in the history of communication systems from the 4th millennium B.C. to the present.

It shows that from the very beginning - the first Sumerian pictographs on clay tablets to today's state-of-the-art technologies - broadband communication via fiber-optic cables and satellites - the amount of information collected, processed and stored, the capabilities to do so, as well as the capable speed of information transmission exponentially accelerate.

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2000 A.D.

2000
Convergence of telephony, audiovisual technologies and computing

Digital technologies are used to combine previously separated communication and media systems such as telephony, audiovisual technologies and computing to new services and technologies, thus forming extensions of existing communication systems and resulting in fundamentally new communication systems. This is what is meant by today's new buzzwords "multimedia" and "convergence".

Classical dichotomies as the one of computing and telephony and traditional categorizations no longer apply, because these new services no longer fit traditional categories.

Convergence and Regulatory Institutions

Digital technology permits the integration of telecommunications with computing and audiovisual technologies. New services that extend existing communication systems emerge. The convergence of communication and media systems corresponds to a convergence of corporations. Recently, America Online, the world's largest online service provider, merged with Time Warner, the world's largest media corporation. For such corporations the classical approach to regulation - separate institutions regulate separate markets - is no longer appropriate, because the institutions' activities necessarily overlap. The current challenges posed to these institutions are not solely due to the convergence of communication and media systems made possible by digital technologies; they are also due to the liberalization and internationalization of the electronic communications sector. For regulation to be successful, new categorizations and supranational agreements are needed.
For further information on this issue see Natascha Just and Michael Latzer, The European Policy Response to Convergence with Special Consideration of Competition Policy and Market Power Control, http://www.soe.oeaw.ac.at/workpap.htm or http://www.soe.oeaw.ac.at/WP01JustLatzer.doc.

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1400 - 1500 A.D.

1455
Johannes Gutenberg publishes the Bible as the first book in Europe by means of a movable metal font.

Gutenberg's printing press was an innovative aggregation of inventions known for centuries before Gutenberg: the olive oil press, oil-based ink, block-print technology, and movable types allowed the mass production of the movable type used to reproduce a page of text and enormously increased the production rate. During the Middle Ages it took monks at least a year to make a handwritten copy of a book. Gutenberg could print about 300 sheets per day. Because parchment was too costly for mass production - for the production of one copy of a medieval book often a whole flock of sheep was used - it was substituted by cheap paper made from recycled clothing of the massive number of deads caused by the Great Plague.

Within forty-five years, in 1500, ten million copies were available for a few hundred thousand literate people. Because individuals could examine a range of opinions now, the printed Bible - especially after having been translated into German by Martin Luther - and increasing literacy added to the subversion of clerical authorities. The interest in books grew with the rise of vernacular, non-Latin literary texts, beginning with Dante's Divine Comedy, the first literary text written in Italian.

Among others the improvement of the distribution and production of books as well as increased literacy made the development of print mass media possible.

Michael Giesecke (Sinnenwandel Sprachwandel Kulturwandel. Studien zur Vorgeschichte der Informationsgesellschaft, Frankfurt am Main: Suhrkamp, 1992) has shown that due to a division of labor among authors, printers and typesetters Gutenberg's invention increasingly led to a standardization of - written and unwritten - language in form of orthography, grammar and signs. To communicate one's ideas became linked to the use of a code, and reading became a kind of rite of passage, an important step towards independency in a human's life.

With the growing linkage of knowledge to reading and learning, the history of knowledge becomes the history of reading, of reading dependent on chance and circumstance.

For further details see:
Martin Warnke, Text und Technik, http://www.uni-lueneburg.de/
Bruce Jones, Manuscripts, Books, and Maps: The Printing Press and a Changing World, http://communication.ucsd.edu/bjones/Books/booktext.html

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1700 - 1800 A.D.

1713
First typewriter patent filed

In 1714 Henry Mill got granted a patent for his idea of an "artificial machine or method" for forgery-proof writing. Still it was not before 1808 that the first typewriter proven to have worked was built by Pellegrino Turri for his visually impaired friend, the Countess Carolina Fantoni da Fivizzono. The commercial production of typewriters began in 1873.

For a brief history of typewriters see Richard Polt, The Classic Typewriter Page, http://xavier.xu.edu/~polt/typewriters.html

1727
First photocopies

Searching for the Balduinist fluorescenting phosphor (Balduinischer Leuchtphosphor), an artificial fluorescent, Johann Heinrich Schulze realized the first photocopies, but did not put them into practical use.

The first optical photocopier was not patented before 1843, when William Henry Fox Talbot got granted a patent for his magnifying apparatus.

In 1847 Frederick Collier Bakewell developed a procedure for telecopying, a forerunner of the fax machine. Yet it was not before 1902 that images could be transmitted. Almost 200 years after Schulze's discovery, for the first time photo telegraphy was offered as a telecommunication service in Germany in 1922.

1794
Fixed optical network between Paris and Lille

Claude Chappe built a fixed optical network between Paris and Lille. Covering a distance of about 240kms, it consisted of fifteen towers with semaphores.
Because the communication system was designed for practical military use, the transmitted messages were encoded. The messages were kept such a secret that even those who transmit them from tower to tower did not capture their meaning; they transmitted codes they did not understand. Depending on weather conditions, messages could be sent at a speed of 2880 kms/hr at best.

Forerunners of Chappe's optical network are the Roman smoke signals network and Aeneas Tacitus' optical communication system.

For more information on early communication networks see Gerard J. Holzmann and Bjoern Pehrson, The Early History of Data Networks.

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1900 - 2000 A.D.

1904
First broadcast talk

1918
Invention of the short-wave radio

1929
Invention of television in Germany and Russia

1941
Invention of microwave transmission

1946
Long-distance coaxial cable systems and mobile telephone services are introduced in the USA.

1957
Sputnik, the first satellite, is launched by the USSR
First data transmissions over regular phone circuits.

At the beginning of the story of today's global data networks is the story of the development of satellite communication.

In 1955 President Eisenhower announced the USA's intention to launch a satellite. But it in the end it was the Soviet Union, which launched the first satellite in 1957: Sputnik I. After Sputnik's launch it became evident that the Cold War was also a race for leadership in the application of state-of-the-art technology to defense. As the US Department of Defense encouraged the formation of high-tech companies, it laid the ground to Silicon Valley, the hot spot of the world's computer industry.

The same year as the USA launched their first satellite - Explorer I - data was transmitted over regular phone circuits for the first time, thus laying the ground for today's global data networks.

Today's satellites may record weather data, scan the planet with powerful cameras, offer global positioning and monitoring services, and relay high-speed data transmissions. Yet up to now, most satellites are designed for military purposes such as reconnaissance.

1969
ARPAnet online

ARPAnet was the small network of individual computers connected by leased lines that marked the beginning of today's global data networks. An experimental network it mainly served the purpose of testing the feasibility of wide area networks and the possibility of remote computing. It was created for resource sharing between research institutions and not for messaging services like E-mail. Although US military sponsored its research, ARPAnet was not designed for directly martial use but to support military-related research.

In 1969 ARPANET went online and linked the first two computers, one located at the University of California, Los Angeles, the other at the Stanford Research Institute.

Yet ARPAnet did not become widely accepted before it was demonstrated in action to a public of computer experts at the First International Conference on Computers and Communication in Washington, D. C. in 1972.

Before it was decommissioned in 1990, NSFnet, a network of scientific and academic computers funded by the National Science Foundation, and a separate new military network went online in 1986. In 1988 the first private Internet service providers started offering access to NSFnet to a general public. After having become the backbone of the Internet in the USA, in 1995 NSFnet was turned into a consortium of commercial backbone providers. This and the launch of the World Wide Web added to the success of the global data network we call the Net.

In the USA it was already in 1994 that commercial users outnumbered military and academic users.

Despite the rapid growth of the Net, most computers linked to it are still located in the United States.

1971
Invention of E-Mail

1979
Introduction of fiber-optic cable systems

1992
Launch of the World Wide Web

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First typewriter patent, 1713

In 1714 Henry Mill got granted a patent for his idea of an "artificial machine or method" for forgery-proof writing, but not before 1808 the first typewriter proven to have worked, was built by Pellegrino Turri for his visually impaired friend, the Countess Carolina Fantoni da Fivizzono. In 1873 commercial production of typewriters began.

For a brief history of typewriters see Richard Polt, The Classic Typewriter Page, http://xavier.xu.edu/~polt/typewriters.html

http://xavier.xu.edu/~polt/typewriters.html
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Sputnik

At the beginning of the story of today's global data networks is the story of the development of satellite communication.

In 1955 President Eisenhower announced the USA's intention to launch a satellite. But it was the Soviet Union, which launched the first satellite in 1957: Sputnik I. After Sputnik's launch it became evident that the Cold War was also a race for leadership in the application of state-of-the-art technology to defence. As the US Department of Defence encouraged the formation of high-tech companies, it laid the ground to Silicon Valley, the hot spot of the world's computer industry.

In the same year the USA launched their first satellite - Explorer I - data were transmitted over regular phone circuits for the first time, thus laying the ground for today's global data networks.

Today's satellites may record weather data, scan the planet with powerful cameras, offer global positioning and monitoring services, and relay high-speed data transmissions. But up to now, most satellites are designed for military purposes such as reconnaissance.

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