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.:

US 9207736 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 08, 2015

Filed:

Aug. 16, 2013
Applicant:

Samsung Electronics Co., Ltd., Gyeonggi-do, KR;

Inventors:

Jong-Hyeok Youn, Gyeonggi-do, KR;

Young-Jin Kim, Gyeonggi-do, KR;

Cheol-Yoon Chung, Gyeonggi-do, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01); G06F 1/26 (2006.01); G06F 11/07 (2006.01);
U.S. Cl.
CPC ...
G06F 1/266 (2013.01); G06F 11/004 (2013.01); G06F 11/0742 (2013.01);
Abstract

An apparatus for preventing a malfunction of a peripheral device in a portable terminal with multiple processors includes a battery, a peripheral device electrically connected to a switch through a I/O pins, a first processor in which a control port for the peripheral device is electrically connected to the switch through the GPIO method, and which controls driving of the peripheral device through generation of a normal high signal, a second processor electrically connected to the switch through the GPIO method, and the switch driven by the battery, configured to operate such that the control port of the first processor is grounded when it is determined that an unintended high signal is generated from the second processor before the portable terminal is completely booted.


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