H - Electricity – 03 – M
Patent
H - Electricity
03
M
354/67
H03M 5/02 (2006.01) H03M 5/22 (2006.01) H04B 14/00 (2006.01) H04B 14/02 (2006.01) H04J 7/00 (2006.01) H04J 7/02 (2006.01) H04L 27/24 (2006.01) H04N 11/06 (2006.01)
Patent
CA 1214277
Abstract: Method for the transmission of information, in which the signals are coded by way of the magnitude of the ampli- tudes of the half-waves or periods of a sinus-wave alter- nating current Due to pulse amplitude modulation (PAM) there is an un- wanted signal being undesirably strong and a broadening of the frequency band as a result of the pulses. In the case of digital binary-coding of signals with half-waves or periods of an alternating current and the code elements having small and large amplitude values, high frequencies are required. In the present invention, the samples of the pulse amplitude modulation of signals ranging from single polar/binary to continuous are being coded by half-waves or periods of an alternating current, also providing alternating currents of a lower frequency with predeter- mined mutual phase shifting for the samples. Due to these measures the aforementioned shortcomings are avioded.
442685
Dirr Josef
Robic Robic & Associes/associates
LandOfFree
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