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. 27, 1999
Filed:
Oct. 09, 1997
Toshihiro Takahashi, Osaka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
It is determined whether a given logic state surely fulfills a predetermined logic-state condition, and also it is also determined whether the given logic state possibly fulfills the predetermined logic-state condition. The determination by the first determining unit is performed by determining whether the given logic state is a certain state and also agrees with a logic state required by the predetermined logic-state condition. The determination by the second determining unit is performed by determining whether the given logic state is an uncertain state and therefore does not completely agree with the logic state required by the predetermined logic-state condition. The predetermined logic-state condition is predetermined so that, when a signal having a logic state required by the predetermined logic-state condition appears at a relevant pin of a given electric circuit, no legal DC current flows through the relevant pin.