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.

Date of Patent:
Mar. 15, 2016

Filed:

Nov. 12, 2013
Applicant:

Acer Inc., New Taipei, TW;

Inventors:

I-Feng Tsai, New Taipei, TW;

Shu-Yu Jiang, New Taipei, TW;

Meng-Ta Tsai, New Taipei, TW;

Assignee:

Acer Inc., New Taipei, TW;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/08 (2006.01); H04L 12/26 (2006.01); H04W 24/04 (2009.01);
U.S. Cl.
CPC ...
H04L 29/08612 (2013.01); H04L 12/2681 (2013.01); H04L 43/103 (2013.01); H04L 67/145 (2013.01); H04W 24/04 (2013.01);
Abstract

A method of maintaining a network connection is used between an electronic apparatus and a server. The method includes the following steps: (a) sending an Nth test packet to the server, and the Nth test packet requests that the server reply to the electronic apparatus after waiting for an Nth time interval; (b) determining whether a reply for the Nth test package is received; (c) repeating step (a) if the reply for the Nth test packet is received; and calculating a period from the (N−1)th test packet being sent to the reply from the server being received if the reply for the Nth test packet is not received; and (d) sending a keep-alive packet periodically to the server according to the period for maintaining a connection between the electronic apparatus and the server when the electronic apparatus is switched to a standby/sleep mode.


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