Telecommunication Journal, 49. sējums,383-852. lapaInternational Telecommunication Union., 1982 |
No grāmatas satura
1.–3. rezultāts no 74.
540. lappuse
... automatic test network of the DBP . Individual tests carried out only on the emergency telephone or the subscriber line circuit make sure that the technical parts of the emergency telephone and of the subscriber line circuit are tested ...
... automatic test network of the DBP . Individual tests carried out only on the emergency telephone or the subscriber line circuit make sure that the technical parts of the emergency telephone and of the subscriber line circuit are tested ...
553. lappuse
... automatic call set - up using equipment . First of all , separate automatic answering equipment was provided and later the modems were gradually fitted with the appro- priate additional functions for automatic connection to the called ...
... automatic call set - up using equipment . First of all , separate automatic answering equipment was provided and later the modems were gradually fitted with the appro- priate additional functions for automatic connection to the called ...
580. lappuse
... automatic charging . The first long - distance coin telephone for " communication during journeys " appeared as early as 1929. In 1930 Siemens de- veloped the 4 - wire transmission technique . This was a precondition for the development ...
... automatic charging . The first long - distance coin telephone for " communication during journeys " appeared as early as 1929. In 1930 Siemens de- veloped the 4 - wire transmission technique . This was a precondition for the development ...
Saturs
THE COMPLETE HANDBOOK | 442 |
by Joseph J Carr | 451 |
Risør driver effektiv masseproduks | 500 |
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