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. 15, 2015
Filed:
Mar. 14, 2011
Masashi Oshima, Kanagawa, JP;
Masashi Oshima, Kanagawa, JP;
RICOH ELECTRONIC DEVICES CO., LTD., Osaka, JP;
Abstract
A signal transmitting-receiving circuit includes a first circuit including a first MOS transistor having a gate and a drain, a second MOS transistor having a gate and a drain connected to the gate and drain of the first MOS transistor, and a source connected to ground, and a transmitting terminal transmitting a signal connected to the drains of the first and second MOS transistors; and a second circuit including a receiving terminal receiving the signal transmitted from the transmitting terminal of the first circuit connected to the transmitting terminal, a third MOS transistor having a gate connected to the receiving terminal, a drain connected to a reference voltage generator circuit and a source connected to ground, a resistor connected between the third MOS transistor and the reference voltage generator circuit, and an output terminal connected between the resistor and the third MOS transistor.