U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Programmable master controller communicating with plural controllers

Patent 4283773 Issued on August 11, 1981. Estimated Expiration Date: Icon_subject April 30, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3812471

System for on-line processing of banking transactions Patent #: 4025905
Issued on: 05/24/1977
Inventor: Gorgens

Inventors

Assignee

Application

No. 06/034872 filed on 04/30/1979

US Classes:

700/3, Master-slave709/208MASTER/SLAVE COMPUTER CONTROLLING

Examiners

Primary: Zache, Raulfe B.

International Classes

G05B 19/04 (20060101)
G03G 21/14 (20060101)
G05B 19/042 (20060101)
G06F 13/20 (20060101)
G06F 13/22 (20060101)

Abstract

A data communications system having a programmable master controller including memory means and command byte generating means and a plurality of additional controllers providing input data bytes to the master controller and having means for receiving command bytes from the master controller. The additional controllers are each connected to the master controller such that corresponding data bits are ORed together and means are provided for the simultaneous transmission of data bytes from the additional controllers to the master controller such that corresponding bits of the simultaneously transmitted bytes have mutually exclusive data therein.

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