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:
Apr. 12, 2016
Filed:
Dec. 23, 2013
Huawei Device Co., Ltd., Shenzhen, Guangdong, CN;
Lei Guo, Shenzhen, CN;
Huawei Device Co., Ltd., Shenzhen, CN;
Abstract
Embodiments of the present invention provide a method and an apparatus for a terminal to determine whether an object is approaching, wherein the method includes: reading, by an infrared receiver, a first infrared intensity value when an infrared emitting diode does not work, and reading, by the infrared receiver, a second infrared intensity value when the infrared emitting diode works; obtaining a first difference value between the second infrared intensity value and the first infrared intensity value as an intensity value of a reflected infrared ray; determining whether a second difference value between the intensity value of the reflected infrared ray and an infrared intensity threshold is greater than a preset second threshold; and determining that an object is approaching the terminal when the second difference value is greater than the preset second threshold value. The present invention enables each terminal to accurately determine whether there is an object approaching.