KOBLINGSANORDNING FOR UNDERTRYKKELSE AV FORSTYRRENDE SIGNALER I EKKOLODDANLEGG
Koblingsanordning for undertrykkelse av forstyrrende signaler i ekkoloddanlegg. Method of suppressing or identifying interference signals in sounding devices which includes receiving and summing signal pulses arriving within a given number of successive sounding periods at time intervals having a du...
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Format: | Patent |
Sprache: | nor |
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Zusammenfassung: | Koblingsanordning for undertrykkelse av forstyrrende signaler i ekkoloddanlegg.
Method of suppressing or identifying interference signals in sounding devices which includes receiving and summing signal pulses arriving within a given number of successive sounding periods at time intervals having a duration substantially equal to that of one sounding period, and feeding the voltage derived from the sum of the signal pulses to indicator means for providing an indication of the value thereof. |
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