Intellectual Property: A Definition

Intellectual property, very generally, relates to the output, which result from intellectual activity in the industrial, scientific, literary and artistic fields. Traditionally intellectual property is divided into two branches:

1) Industrial Property

a) Inventions
b) Marks (trademarks and service marks)
c) Industrial designs
d) Unfair competition (trade secrets)
e) Geographical indications (indications of source and appellations of origin)

2) Copyright

The protection of intellectual property is guaranteed through a variety of laws, which grant the creators of intellectual goods, and services certain time-limited rights to control the use made of their products. Those rights apply to the intellectual creation as such, and not to the physical object in which the work may be embodied.

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Chappe's fixed optical network

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 this communication system was destined to practical military use, the transmitted messages were encoded. The messages were kept such secretly, even those who transmit them from tower to tower did not capture their meaning, they just 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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