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ERICSSON REVIEW<br />

NUMBER 1 1974 • VOLUME 51<br />

Copyright Telefonaktiebolaget LM Ericsson<br />

Printed in Sweden, Stockholm 1974<br />

RESPONSIBLE PUBLISHER DR. TECHN. CHRISTIAN JACOB/EUS<br />

EDITOR GUSTAF O. DOUGLAS<br />

EDITORIAL STAFF FOLKE BERG<br />

BO SEIJMER (WORLDWIDE NEWS)<br />

EDITOR'S OFFICE S-12625 STOCKHOLM<br />

SUBSCRIPTION ONE YEAR $6.00, ONE COPY $1.70<br />

Contents<br />

2 • Electronic Telephone Sets<br />

13 • Coaxial Cable Systems: Operational Experience and Future Prospects<br />

21 • Automatic Transmission Measuring Equipment, ATME 2,<br />

for International Telephone Circuits<br />

I—IV • Fiftieth Anniversary <strong>of</strong> Ericsson Review<br />

29-WORLDWIDE NEWS<br />

Ericsson Review celebrated its half-centenary at the expiry <strong>of</strong> 1973. An article<br />

in this issue presents a retrospect <strong>of</strong> the fifty-year <strong>history</strong> <strong>of</strong> the journal<br />

— a very long period for a journal <strong>of</strong> this type. Typographically the journal<br />

has undergone changes on several occasions, but over a period <strong>of</strong> many years<br />

they have been small superficially. This has also been a strength — people<br />

have learnt to recognize Ericsson Review. <strong>The</strong> editor has nevertheless<br />

considered the time ripe tor a more radical metamorphosis, both <strong>of</strong> the cover<br />

and <strong>of</strong> the general layout. What the editor hopes is that in its new form<br />

Ericsson Review will be still easier to read and that, in appearance, it will<br />

continue to hold its own in comparison with corresponding journals.<br />

<strong>The</strong> Editor<br />

COVER<br />

Pushbutton dialling unit with LC oscillator tor<br />

DIALOG <strong>telephone</strong>.<br />

<strong>The</strong> round plate carries on the front the<br />

pushbutton set seen on the <strong>telephone</strong> set<br />

in the background.

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