The Thermionic Valve and Its Developments in Radio-Telegraphy and Telephony (Classic Reprint) - Tapa blanda
Sinopsis
Excerpt from The Thermionic Valve and Its Developments in Radio-Telegraphy and Telephony
Some agreement on this question of nomenclature seems desirable if only to prevent the too exuberant growth of strange words which are merely trade names for modifications of generically similar devices. The author submits, there fore, this suggestion' tentatively to the radio-engineering fraternity.
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Reseña del editor
Excerpt from The Thermionic Valve and Its Developments in Radio-Telegraphy and Telephony
Some agreement on this question of nomenclature seems desirable if only to prevent the too exuberant growth of strange words which are merely trade names for modifications of generically similar devices. The author submits, there fore, this suggestion' tentatively to the radio-engineering fraternity.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Reseña del editor
Excerpt from The Thermionic Valve and Its Developments in Radio-Telegraphy and Telephony
The present extensive use of appliances in modem radiotelegraphy and radiotelephony based on the thermionic emission from an incandescent cathode in a vacuous bulb, of which the Fleming oscillation valve was the first representative, has given rise to much published information on the subject in technical journals as well as to numerous patent specifications. Since most of the recent great advances in wireless telegraphy and telephony are dependent on the employment of these inventions it seemed desirable to collect together in a single volume some of this literature for the assistance of radio-engineers. The author, therefore, accepted the invitation of The Wireless Press, Limited, to write a small book on the practical side of the subject.
It has not been deemed necessary to enter very fully into the purely scientific researches on thermionic emission from incandescent substances, because it has already been treated very fully by Prof. O. W. Richardson in his excellent monograph, The Emission of Electricity from Hot Bodies (Long-mans, Green & Co., London).
The introductory chapter of the present volume, nevertheless, provides a brief sketch of the researches which led up to the practical applications described in subsequent chapters. The author has, however, felt it necessary to explain in rather full detail the history of this practical application by himself and others, and of the patent litigation which has taken place in the United States and in Great Britain in connection with it, on account of the efforts which have been made to depreciate the Author's work on this subject. The legal judgments in these actions are printed as an appendix, and will enable the reader to view the questions of priority of invention from the standpoint of unbiassed and competent judges.
One other matter calls for remark, and that is the question of nomenclature.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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The Thermionic Valve and Its Developments in Radio-Telegraphy and Telephony
Impresión bajo demandaLibrería: Forgotten Books, London, Reino Unido
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Paperback. Condición: New. Print on Demand. This book delves into the fascinating evolution of wireless communication, tracing its roots back to the pioneering work of scientists like Edison and Hertz. The author, a renowned expert in the field, guides readers through the development of various detection devices, from the early coherers and magnetic detectors to the revolutionary thermionic valve. The narrative unfolds against the backdrop of pivotal scientific discoveries, including the exploration of the Edison Effect and the groundbreaking research on thermionic emission by J.J. Thomson and O.W. Richardson. These advancements paved the way for the invention of the Fleming oscillation valve, a device capable of rectifying high-frequency currents and detecting electromagnetic waves. The book explores the valve's application in radiotelegraphy and telephony, highlighting its ability to amplify signals and generate oscillations. It delves into the technical intricacies of different valve types, including the three-electrode valve and the dynatron, explaining their operation and significance. Readers will gain insights into the challenges and triumphs of early radio technology, including the impact of atmospheric disturbances and the quest for improved selectivity and sensitivity. By illuminating the scientific principles and historical context behind thermionic devices, this book offers a valuable resource for understanding the foundations of modern wireless communication and appreciating the ingenuity of those who made it possible. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Nº de ref. del artículo: 9781330457504_0
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Paperback. Condición: Brand New. 304 pages. 9.00x6.00x0.69 inches. In Stock. This item is printed on demand. Nº de ref. del artículo: 1330457501
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