time-compression multiplexing
71Optical amplifier — An optical amplifier is a device that amplifies an optical signal directly, without the need to first convert it to an electrical signal. An optical amplifier may be thought of as a laser without an optical cavity, or one in which feedback from… …
72Digital radio — has several meanings: 1. Today the most common meaning is digital radio broadcasting technologies, such as the digital audio broadcasting (DAB) system, also known as Eureka 147. In these systems, the analog audio signal is digitized into zeros… …
73Content format — Graphical representations of electrical data: analog audio content format (red), 4 bit digital pulse code modulated content format (black) …
74Bell Labs — Bell Laboratories (also known as Bell Labs and formerly known as AT T Bell Laboratories and Bell Telephone Laboratories) is the research organization of Alcatel Lucent and previously the American Telephone Telegraph Company (AT T). Bell… …
75Alteon — Nortel Logo de Nortel Networks Corporation Création 1895 à Montréal …
76Alteon WebSystems — Nortel Logo de Nortel Networks Corporation Création 1895 à Montréal …
77Bay networks — Nortel Logo de Nortel Networks Corporation Création 1895 à Montréal …
78Corporation Nortel Networks — Nortel Logo de Nortel Networks Corporation Création 1895 à Montréal …
79Matra Nortel Communications — Nortel Logo de Nortel Networks Corporation Création 1895 à Montréal …
80Nortel Matra Cellular — Nortel Logo de Nortel Networks Corporation Création 1895 à Montréal …
