More about communication (127)

1-11-1987 | EE 20 November 1987 THE BIRTH OF SATELLITE COMMUNICATIONS Twenty-five years ago worldwide communications entered a new era. Telstar, the wor...

1-07-1987 | EE JULY/AUGUST 1987 1 This program enables users of the popular Commodore C64 home computer to exchange messages between two ma- chines. No...

1-12-1986 | L1 mm COMMUNICATIONS The problem of unauthor- ized access to information in transit is as old as mankind itself. Each ad- vance in the mean...

1-09-1984 | data transmission by telephone elektor september 1984 In the last few years the telephone network, which was originally intended for voice c...

1-05-1980 | 5-44 — elektor may 1980 flexible intercom system F1 "i1 ra P. Deckers Certain requirements must be met if an intercom system is to be full...

1-05-1978 | The ever-increasing use of satellites for telecommunications purposes has focused considerable interest on the problem of designing suitabl...

1-07-1976 | The simplest V_HF receiver is the su perregenera tlve. Unfortunately, it is also one of the most difficult to get working properly ......