Apparatus for transition between network control and link contro

Details Apparatus for transition between network control and link contro Apparatus for transition between network control and link contro

1977-05-18

1979-05-22

Stewart, David L.

179 15AF, 179 15BA, 179 15BV, H04J 316

Patent

active

041561112

ABSTRACT:
An apparatus in a digital communication system for receiving and/or transmitting link control bytes of eight bits or in the alternative information bytes of any number of bits. Dynamic switching to different byte size in an information field is accomplished by utilizing a logic control field (LCF) as part of a message received or transmitted, comprising 8-bit bytes which are recursively extendable. The first octet of the LCF is a text control byte for identifying the number of bits in each byte contained in the accompanying text field transmitted or received, whereas the last LCF octet is indicated by setting the most significant bit (MSB) of the octet to 1. Apparatus responsive to the above fields for accomplishing the transition is disclosed.

REFERENCES:
patent: 3016527 (1962-01-01), Gilbert
patent: 3241135 (1966-03-01), Kuflik
patent: 3591722 (1971-07-01), Palsa
patent: 3632882 (1972-01-01), Ciecierski
patent: 3668645 (1972-06-01), Reymond
patent: 3922494 (1975-11-01), Cooper
patent: 3924079 (1975-12-01), Garrett
patent: 3959594 (1976-05-01), Srivastava
patent: 3970796 (1976-07-01), Gyurki

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