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 8139781 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 20, 2012

Filed:

Feb. 16, 2009
Applicants:

Chi-hsiang Cheng, Taipei County, TW;

Shu-yuan Cheng, Taipei, TW;

Liang-yi Liu, Taipei, TW;

Inventors:

Chi-Hsiang Cheng, Taipei County, TW;

Shu-Yuan Cheng, Taipei, TW;

Liang-Yi Liu, Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A Bluetooth headset includes a case, a circuit board, a speaker, a USB plug, a memory slot, an actuating structure, and a movable lid. The case is a hollow structure. A containing space in the case is accessible to an opening of the case. The circuit board is installed in the containing space. The speaker is installed on the case and electrically connected to the circuit board. Both the USB plug and the memory slot are electrically connected to the circuit board. The actuating structure is disposed on the case for driving the circuit board to selectively move the USB plug and the memory slot toward or away from the opening of the case. The movable lid is disposed at a side of the opening of the case in a rotatable manner.


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Cheng, Chi-Hsiang. (2012). Bluetooth headset with a retractable structure (U.S. Patent No. 8139781). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8139781

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