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AT&T Teletype Corp
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Teletype Corp
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Publication of FR697059ApublicationCriticalpatent/FR697059A/fr
H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
H04L25/4902—Pulse width modulation; Pulse position modulation
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Computer Networks & Wireless Communication
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Signal Processing
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FR697059D1930-06-051930-06-03Perfectionnements aux systèmes et aux appareils télégraphiques
ExpiredFR697059A
(fr)