The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 03, 1981

Filed:

Jun. 01, 1978
Applicant:
Inventors:

James C Raymond, Framingham, MA (US);

Richard A Lemay, Bolton, MA (US);

Richard P Kelly, Nashua, NH (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364200 ;
Abstract

A hardware/firmware control system is disclosed for accommodating the concurrent bi-directional transfer of information between a communications channel such as a telephone line and a communications processor in a data processing system.


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