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 7991439 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 02, 2011

Filed:

Mar. 31, 2008
Applicants:

Li-kai Mao, Taoyuan County, TW;

Po-chang Lin, Chiayi, TW;

Inventors:

Li-Kai Mao, Taoyuan County, TW;

Po-Chang Lin, Chiayi, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

A signal shielding box with a plurality of shielding covers is provided. The shielding covers are pivotally connected with a shielding case and cover one another so as to respectively conceal or expose the opening. A connector is positioned at the shielding case and is electrically connected with the wireless communication device within the shielding case. The connector is electrically connected with a measurement and analysis device out of the shielding case. The shielding covers are respectively opened and closed so as to expose and conceal the opening. Thus, a plurality of shielding effects are formed so as to shield and measure signals of the wireless communication device.


Find Patent Forward Citations

Mao, Li-Kai. (2011). Signal shielding box with a plurality of shielding covers (U.S. Patent No. 7991439). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7991439

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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