Data transmission system and application thereof to the transmis

Details Data transmission system and application thereof to the transmis Data transmission system and application thereof to the transmis

1977-03-15

1978-10-24

Safourek, Benedict V.

Telegraphy

Systems

Chemical

325 38B, H04L 2500

Patent

active

041223004

ABSTRACT:
The invention relates to a system for data transmission in analog form in which data is coded such that a pulsed bivalent signal is obtained which can be physically integrated; this bivalent signal, considered as formed by a juxtaposition of elementary bits at a higher rate is processed in a DELTA demodulator as if these elementary bits were the digital representation of an analog signal which has undergone a corresponding DELTA modulation. Data is transmitted in the form of the analog signal delivered by this demodulator. On reception, the analog signal received is applied to a DELTA modulator which operates preferably in slope overload and which supplies a DELTA bit train reproducing the bivalent transmission signal of the transmission and enabling the signals to be restored after decoding.

REFERENCES:
patent: 3866147 (1975-02-01), Couvreur et al.
patent: 3937897 (1976-02-01), Song

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