DocumentCode
1273123
Title
Some acoustic and telephone measurements
Author
Harbottle, H.R.
Volume
71
Issue
430
fYear
1932
fDate
10/1/1932 12:00:00 AM
Firstpage
605
Lastpage
631
Abstract
In the present paper a brief description of some of the work carried out in the Research Section of the British Post Office is given. Part 1 is devoted ot electro-accustic and various voice-ear measurements on microphones and receivers are described. Part 3 deals with some mechanical tests by means of which rapid acceptance tests and esticmates of the commercial life of instruments can be made. The question of the measurement of the efficiency of apparatus and circutis in acutal use is discusse in Part 4.
Keywords
acoustics; communication circuits; telephone and telegraph apparatus; telephone sets;
fLanguage
English
Journal_Title
Electrical Engineers, Journal of the Institution of
Publisher
iet
Type
jour
DOI
10.1049/jiee-1.1932.0142
Filename
5315299
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