Publications

The three-level solid state maser, as proposed by Bloembergen, employs a microwave pump signal to alter the thermal equilibrium of a 1 * This work was supported in part by the U. S.

THE time factor introduces five different types of problems in telephone transmission: 1. A Slowing-Down of Telephone Communication.

Agreement is at the heart of distributed computing. In its simple form, it requires a set of processes to decide on a common value out of the values they propose.

A simplified method for determining the behavior of the timing -portion of a chain of regenerative repeaters is presented. The method applies to self-timed as well as separately timed systems.

In English, the alignment of intonation peaks with their syllables exhibits a great deal of contextually governed variation.

821 822 822 823 824 825 828 828 845 850 850 853 859 861 862 862 865 867 870 871 871 874 877 877 During the past decade, microwave radio in the Bell System has had a phenomenal growth.

In the past, short-haul microwave radio relay development in the Bell System has progressed along the general lines of heavy-route, cross2297 2298 THE BELL SYSTEM TECHNICAL JOURNAL, S E P T E M B E

TECHNICAL VOLUME XLV Copyright © 1966, J A N U A R Y 196(5 American JOURNAL NUMBER 1 Trlegraph Company Telephone and The TM-l/TL-2 Short Haul Microwave Systems By R. W. FRIIS, J. J. JANSEN, R. M.

This article describes the long-distance telephone plant in the central part of Brazil with special reference to the toll board in Rio de Janeiro.

U R I N G 1937 a 60-mile toll cable was completed between Toronto and Barrie which, in several respects, is unique.