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:
Jul. 23, 1991
Filed:
Dec. 21, 1989
Applicant:
Inventor:
Norihito Yamamoto, Ohtsu, JP;
Assignee:
Omron Tateisi Electronics Co., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
307465 ; 307475 ;
Abstract
A programmable logic IC comprising an input buffer segment, a programmable logic segment and an output buffer segment, the input buffer segment and output buffer segment respectively comprising buffers of a first level and buffers of a second level as disposed in parallel arrays of the two levels and whichever of the levels being optionally selectable by programming.