Telecommunications
Telecommunication is the transmission of information by various types of technologies over wire, radio, optical or other electromagnetic systems. It has its origin in the desire of humans for communication over a distance greater than that feasible with the human voice, but with a similar scale of expediency; thus, slow systems (such as postal mail) are excluded from the field. The transmission media in telecommunication have evolved through numerous stages of technology, from beacons and other visual signals (such as smoke signals, semaphore telegraphs, signal flags, and optical heliographs), to electrical cable and electromagnetic radiation, including light. Such transmission paths …
WikipediaPublications
The National Archives · 1 January 1982 English
instruments & apparatus 874.00 649,595 1.8 Telecommunications equipment 764.00 602,525 1.7 Medicinal …
The National Archives · 1 January 1982 English
A file containing documents relating to the B.B.C. and media coverage of Berlin. The principal subject covered in the file is an attempt by the B.B.C. to make use of …
Bonn to the Federal Minister of Posts and Telecommunications of the West German Government, in July 1969 … May 1970, the Federal Minister of Posts and Telecommunications wrote stating that the Frequency Conference …
The National Archives · 1 January 1982 English
TELREPHONE LINKS AND TF SOME INTERNATIONAL TELECOMMUNICATIONS. THERE APPEARS TO HAVE BEEN A HICCOUGH OVER …
The National Archives · 1 January 1982 English
IMPEDIMENTS TO RELIGIOUS EDUCATION , AND TELECOMMUNICATIONS RESTRICTIONS. 9 . THE SWEDE SPOKE OF DISAPPOINTMENT …
The National Archives · 1 January 1982 English
Republic and Poland in the field of post and telecommunications. Junghans, who is Chairman of the SPD Fraktion's …
The National Archives · 1 January 1982 French
A file of correspondence and reports concerning inner-German relations. The documents cover negotiations to address the issue of water pollution in Berlin; plans for a purification plant; payments received by …
The National Archives · 1 January 1982 English
w 2. g) abolishing censorship of mail, telecommunications and monitoring telephone conversations* …
The National Archives · 1 January 1982 English
7 / „ (JJ/ the increases in postal and telecommunications charges have / * 4 B now become clearer; …
The National Archives · 1 January 1982 German
A file containing documents relating to Soviet and Eastern European protests concerning the status of Berlin. Documents in the file describe a series of protests against the inclusion of West …
Hans-Jurgenf ipUIMER Deputy Minister of Posts and Telecommunications I . ^ I N T E R N A T I O N A L T E L …
