Differential duration demultiplexing method and system

Details Differential duration demultiplexing method and system Differential duration demultiplexing method and system

1976-04-30

1977-09-27

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

In specific code or form

179 15AW, G11B 502

Patent

active

040515397

ABSTRACT:
A demultiplexing method and system is disclosed utilizing a differential duration technique. Data that have been conventionally encoded utilizing a technique wherein variations in time contain the essential information, such as can be accomplished by systems wherein data are encoded by modulating either the spacing between pulses or the width of the pulses, is decoded by differential duration demultiplexing to reduce errors caused by time distortion introduced prior to recovery of the data. Time distortion errors are reduced by sensing both the pulses and intervals following the pulses in the data train and deriving decoded data from the difference therebetween.

REFERENCES:
patent: 3720927 (1973-03-01), Wolf

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