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:
Aug. 28, 2012
Filed:
May. 27, 2010
Shuang Peng, Shenzhen, CN;
Shuang Peng, Shenzhen, CN;
Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Shenzhen, Guangdong Province, CN;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, New Taipei, TW;
Abstract
An earphone includes an audio input terminal, an audio output terminal, a spring, and a rheostat. The rheostat includes a first terminal, a second terminal, and a slide terminal. The audio input terminal is electrically connected to the slide terminal of the rheostat. The audio output terminal is electrically connected to the first terminal of the rheostat. The slide terminal of the rheostat is fixed to the spring. The slide terminal of the rheostat is at or near the first terminal of the rheostat in response to the spring being at an original position. The slide terminal moves to the second terminal of the rheostat in response to the spring being pressed to deform.