- Tytuł:
- Historical Perspectives of Development of Antique Analog Telephone Systems
- Autorzy:
- Patil, V. L.
- Powiązania:
- https://bibliotekanauki.pl/articles/308813.pdf
- Data publikacji:
- 2015
- Wydawca:
- Instytut Łączności - Państwowy Instytut Badawczy
- Tematy:
-
antique telephones
common battery systems
cross-bar switches
PSTN
voice band communication
voice communication
strowger switches - Opis:
- Long distance voice communication has been always of great interest to human beings. His untiring efforts and intuition from many years together was responsible for making it to happen to a such advanced stage today. This paper describes the development time line of antique telephone systems, which starts from the year 1854 and begins with the very early effort of Antonio Meucci and Alexander Graham Bell and ends up to the telephone systems just before digitization of entire telecommunication systems. The progress of development of entire antique telephone systems is highlighted in this paper. The coverage is limited to only analog voice communication in a narrow band related to human voice.
- Źródło:
-
Journal of Telecommunications and Information Technology; 2015, 3; 70-98
1509-4553
1899-8852 - Pojawia się w:
- Journal of Telecommunications and Information Technology
- Dostawca treści:
- Biblioteka Nauki