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 8223674 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 17, 2012

Filed:

Jun. 17, 2008
Applicants:

Kazuhiro Iwai, Tokyo, JP;

Masami Kanemaru, Tokyo, JP;

Inventors:

Kazuhiro Iwai, Tokyo, JP;

Masami Kanemaru, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 5/14 (2006.01); H04L 12/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention is to provide a relay signal system or a device which enables the use of signal related services such as IP phone services even if a supply of power from a commercial AC power source is stopped, for instance, due to a power outage. The signal relay device comprises: a power reception terminal that is coupled to an AC power source, a plurality of connectors containing a plurality of terminal pins for receiving and transmitting signals such as packet signals in which the terminal pins are coupled to each other by wire, and a power charging unit, which is coupled to the power reception terminal by wire and stores a backup power charged by an AC power provided from the power reception terminal by wire and supplies the backup power to wires coupled to a part or all of the plurality of connectors.


Find Patent Forward Citations

Iwai, Kazuhiro. (2012). Signal relay device (U.S. Patent No. 8223674). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8223674

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

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