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:
Jun. 14, 2016
Filed:
Aug. 20, 2014
Chiun Mai Communication Systems, Inc., New Taipei, TW;
Chao-Sheng Huang, New Taipei, TW;
Chiun Mai Communication Systems, Inc., New Taipei, TW;
Abstract
An audio playback system includes an earphone and an audio device. The earphone includes a first earphone body, a second earphone body, a first sensing unit mounted in the first earphone body, a second sensing unit mounted in the second earphone body, a first plug, and a second plug electronically connected to the first sensing unit and the second sensing unit. The audio device includes a first jack, a second jack configured to receive the second plug, and a control unit. The first sensing unit and the second sensing unit output sensing signals which indicate whether the earphone is used. The control unit receives the sensing signals from the second jack and controls a working state of the audio device.