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:
Sep. 08, 1987
Filed:
Jan. 28, 1987
Applicant:
Inventor:
Edwin P Crabbe, Jr, Peoria, AZ (US);
Assignee:
GTE Communication Systems Corporation, Phoenix, AZ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364900 ; 371 25 ; 371 16 ;
Abstract
This invention discloses a circuit for examining the value transmitted via a digital bus. A determination is made as to whether the value matches a predefined programmable value. An output indication is given for a match. In addition, this circuit may examine the transmitted value to determine whether it is within the bounds of a predefined range of values. This circuit utilizes a minimum of space and hardware components, due to its fabrication using RAM devices and a program logic array.