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.
Patent No.:
Date of Patent:
Apr. 05, 1994
Filed:
Jun. 26, 1991
Applicant:
Inventor:
Barry Kennedy, Santa Ana, CA (US);
Assignee:
AST Research, Inc., Irvine, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ;
U.S. Cl.
CPC ...
395325 ; 364230 ; 3642304 ; 364240 ; 3642403 ; 3642409 ; 364D / ;
Abstract
A method and apparatus for expanding a backplane interconnecting bus provides an architecture in which the width of a data bus can be expanded without new byte select control lines on the backplane bus. In the present invention, data lines and corresponding parity lines are added to the backplane bus, and control signal lines connect devices capable of utilizing the expanded bus capabilities. The control signal lines do not affect the operation of devices which are designed according to the narrower bus width, and therefore, these devices can be installed in the expanded bus backplane along with devices designed to utilize the expanded width data bus.