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:
Nov. 13, 2012
Filed:
Sep. 16, 2009
Zhong Qin, Shanghai, CN;
Yanna Hao, Shanghai, CN;
Shengyang Wang, Shanghai, CN;
Rushan Pan, Shanghai, CN;
Keyi Wang, Shanghai, CN;
Zhong Qin, Shanghai, CN;
Yanna Hao, Shanghai, CN;
Shengyang Wang, Shanghai, CN;
Rushan Pan, Shanghai, CN;
Keyi Wang, Shanghai, CN;
Shanghai Super Electronics Technology Co. Ltd, Shanghai, CN;
Abstract
An information exchange device contains the outside framework, the front panel and the back panel, a vacant space is formed inside of the outside framework. In the vacant space, a control circuit is disposed which includes a micro-control unit with the control procedure inside, a batter unit connected with the micro-control unit, a keyboard unit connected with the input of the micro-control unit, a RF unit having a two-way communication links with the micro-control unit, an antenna unit connected with the RF unit and used for receiving and sending at the working frequency of 2.45 GHz, a LCD display unit connected with the output of the micro-control unit, a near-distance RFID with a working frequency of 13.56 MHz. The information exchange device of the present invention adopts the 2.45 GHz as the working frequency and having a near-distance RFID disposed inside, as a result that the information exchange of long-distance, low-power, anti-collision achieves and the short distance RF communication achieves.