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:
May. 19, 1992
Filed:
Mar. 28, 1991
Applicant:
Inventor:
Yoshinori Hashimoto, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ; H03K / ;
U.S. Cl.
CPC ...
307475 ; 307480 ;
Abstract
A bidirectional I/O signal separation circuit for connecting a circuit device having a bidirectional I/O terminal with another circuit device having individual input and output terminals, in which an output signal of the circuit device to be connected is not supplied to an input terminal of the same circuit device, and which is able to establish a connection between a semiconductor IC device in which the logical level of a signal is used as information and a semiconductor IC device in which a pulse signal is used as information.