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Title:
SIGNAL TRANSMISSION SYSTEM
Document Type and Number:
Japanese Patent JPS57162849
Kind Code:
A
Abstract:

PURPOSE: To handle a plurality of signals to be transmitted with a single transmission system, by descreting an instantaneous amplitude of a plurality of analog signals for digital coding, forming a single composite code and converting it into one analog signal having the amplitude.

CONSTITUTION: A plurality of signals S1, S2∼Sn to be transmitted applied to input terminals IN1, IN2,∼INn are converted into digital signals at L-bit A/D converters AD1, AD2,∼ADn, a prescribed difference is given with the weight of L-bit and converted into a single analog signal at a D/A converter DAC. A single composite signal is inputted to a demodulator DET via a single transmission line CA and converted into n sets of L-bit digital signals at L × n-bit A/D converter. The digital signals are converted into analog signals at D/A converters DA1∼DAn and the original signals S1∼Sn are obtained from output terminals OUT1∼OUTn.


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Inventors:
ADACHI TADASHI
Application Number:
JP4724381A
Publication Date:
October 06, 1982
Filing Date:
April 01, 1981
Export Citation:
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Assignee:
AIWA CO
International Classes:
G11B5/02; G11B20/10; H04B14/04; H04J99/00; (IPC1-7): G11B5/02; G11B5/09; H04B1/00; H04B12/02
Domestic Patent References:
JPS5286009A1977-07-16



 
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