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.

Date of Patent:
Jul. 13, 2021

Filed:

Aug. 31, 2020
Applicant:

Db Hitek Co., Ltd., Seoul, KR;

Inventors:

Sang Mok Lee, Incheon, KR;

Joon Tae Jang, Seoul, KR;

Seung Hoo Kim, Bucheon-si, KR;

Assignee:

DB HiTek Co., Ltd., Seoul, KR;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01R 19/155 (2006.01); H03K 17/082 (2006.01); H03K 17/18 (2006.01); H03K 3/037 (2006.01); H03K 17/687 (2006.01); G01R 19/18 (2006.01);
U.S. Cl.
CPC ...
H03K 17/18 (2013.01); G01R 19/155 (2013.01); G01R 19/18 (2013.01); H03K 3/037 (2013.01); H03K 17/082 (2013.01); H03K 17/6872 (2013.01);
Abstract

A voltage on-off detector includes an inverter between a first voltage source and a first node and having an input terminal that receives a third voltage, a first transistor having a first gate, and a first source and a first drain between the first node and a second voltage source, a second transistor having a second source connected to the second voltage source, and a second gate and a second drain connected to the first node, and an amplifier having an input terminal connected to an output terminal of the inverter and configured to output a first voltage from the first voltage or a second voltage from the second voltage source based on or in response to an output of the inverter.


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