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:
Nov. 02, 1976

Filed:

Jun. 12, 1974
Applicant:
Inventors:

Harold W Katz, Ann Arbor, MI (US);

Gino Venturi, Ann Arbor, MI (US);

Melvin T Bennett, Ann Arbor, MI (US);

Allan I Edwin, Ann Arbor, MI (US);

Assignee:

Interactive Systems, Inc., Ann Arbor, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04Q / ;
U.S. Cl.
CPC ...
3401 / ; 3401 / ; 340163 ;
Abstract

A computer system consists of a central station and a plurality of remote terminals, some having a relatively low data acceptance and/or transmission rate and others having a higher data rate. The communication link between the central station of the terminals consists of a low speed channel and a high speed channel. The terminals are permanently connected to receive signals over the low speed channel and a control signal, sent by the central station, to a particular addressed terminal over the low speed channel connects an associated terminal to the high speed channel.


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