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. 09, 2015
Filed:
May. 01, 2013
Yan Sun, Beijing, CN;
Wei Wang, Beijing, CN;
Haihua Yu, Beijing, CN;
Bin Da, Beijing, CN;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A transmitting device, a receiving device, a wireless communication system and a method for controlling the wireless communication system are used for creating a secure wireless communication network of a limited area. The transmitting device comprises: one or more transmitters configured to transmit wireless signals, and create the limited area by a coverage scope of the wireless signals; a cryptography key generating unit configured to generate a cryptography key for the wireless signals; a cryptography key encoding unit configured to encode the cryptography key to a cryptography key frame; and a cryptography key scheduling unit configured to schedule the cryptography key frame so as to control the transmitter to transmit the wireless signals including the cryptography key frame.