Apparatus using a decision table for routing data among terminals and a host system
First Claim
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1. A system comprising:
- a host system;
a plurality of terminal units including first terminal units of a first type and other terminal units of at least a second type, said type terminal units having means for also entering routing data into the system and for entering a string of information into the system said routing data including a logical origin address (LOA) which indicates the origin of a said string of information to be routed and a logical destination address (LDA) which indicates the intended destination of said string of information; and
a router module comprising;
first coupling means for coupling said router module with said host system for transferring a said string of information to or from said host system;
second coupling means for coupling said router module with said first type terminal units and said other type terminal units for transferring a said string of information to selected ones of said first type terminal units or said other type terminal units or for transferring a said string of information from one of said first type terminal units to at least another one of said first type terminal units or said other type terminal units; and
routing logic including a decision table which utilizes said routing data to route said string of information in accordance with said routing data.
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Abstract
A router module controls interfaces to (a) terminals, (b) communications to a host system, and (c) a permanent storage device like a digital cassette. The router module utilizes routing logic including a decision table to effect the routing through the interfaces named. The terminals include data entry terminals and a printer module and the router module enables several data entry terminals to utilize the printer module. The router module is located on a substrate which can be mounted in one of the data entry terminals to utilize the associated power supply.
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Citations
5 Claims
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1. A system comprising:
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a host system; a plurality of terminal units including first terminal units of a first type and other terminal units of at least a second type, said type terminal units having means for also entering routing data into the system and for entering a string of information into the system said routing data including a logical origin address (LOA) which indicates the origin of a said string of information to be routed and a logical destination address (LDA) which indicates the intended destination of said string of information; and a router module comprising; first coupling means for coupling said router module with said host system for transferring a said string of information to or from said host system; second coupling means for coupling said router module with said first type terminal units and said other type terminal units for transferring a said string of information to selected ones of said first type terminal units or said other type terminal units or for transferring a said string of information from one of said first type terminal units to at least another one of said first type terminal units or said other type terminal units; and routing logic including a decision table which utilizes said routing data to route said string of information in accordance with said routing data. - View Dependent Claims (2)
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3. A system comprising:
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a host system; means for storing data; a plurality of terminal units including first terminal units of a type and other terminal units of at least a second type, said first type terminal units having means for also entering routing data into the system and for also entering a string of information into the system;
said routing data including a logical origin address (LOA) which indicates the origin of a said string of information to be routed and a logical destination address (LDA) which indicates the intended destination of said string of information; anda router module comprising; first coupling means for coupling said router module with said host system for transferring a said string of information to or from said host system; second coupling means for coupling said router module with said first type terminal units and said other type terminal units for transferring a said string of information to selected ones of said first type terminal units or said other types terminal units or for transferring said string of information from one of said first type terminal units to at least another one of said first type terminal units or said other type terminal units; third coupling means for coupling said router module with said storing means for transferring a said string of information to and from said storing means; and routing logic including a decision table which utilizes said routing data to route said string of information in accordance with said routing data. - View Dependent Claims (4, 5)
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Specification