Telecommunication Journal, 30. sējums,189-395. lapaInternational Telecommunication Union., 1963 |
No grāmatas satura
1.–3. rezultāts no 63.
246. lappuse
... relay systems and for radio - relay systems for telephony using frequency - division multiplex with a capacity of more than 60 telephone channels . One Recommendation gives definitions of hypothetical reference circuits . Allowable ...
... relay systems and for radio - relay systems for telephony using frequency - division multiplex with a capacity of more than 60 telephone channels . One Recommendation gives definitions of hypothetical reference circuits . Allowable ...
248. lappuse
... relay systems for tele- phony and television of a capacity greater than 1800 telephone channels or the equivalent ; transmission , inter- ference and interconnection on characteristics of tropo- spheric scatter radio - relay systems ...
... relay systems for tele- phony and television of a capacity greater than 1800 telephone channels or the equivalent ; transmission , inter- ference and interconnection on characteristics of tropo- spheric scatter radio - relay systems ...
273. lappuse
... relay . " This relay makes extremely rapid elec- trical contact within a hermetically sealed glass tube that excludes possible contamination . The high operating speed of the ex- change permits the use of push - button subscriber ...
... relay . " This relay makes extremely rapid elec- trical contact within a hermetically sealed glass tube that excludes possible contamination . The high operating speed of the ex- change permits the use of push - button subscriber ...
Saturs
News section | 190 |
Pope John XXIII | 198 |
Colour television modulation for a trans | 209 |
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