| 发明名称 |
CONTACTLESS COMMUNICATION DEVICE AND USER DEVICE INCLUDING THE SAME |
| 摘要 |
A contactless communication device is provided which includes a field strength detecting circuit configured to detect a strength of a field induced on an antenna; a card circuit configured to demodulate a signal received via the antenna during a reception interval of a card mode; a processing unit configured to process the demodulated signal; and a reader circuit configured to transmit data via the antenna during a transmission interval of the card mode, the data provided from the processing unit, wherein an output power of the reader circuit is adjusted according to the field strength detected. |
| 申请公布号 |
US2015178525(A1) |
申请公布日期 |
2015.06.25 |
| 申请号 |
US201414183900 |
申请日期 |
2014.02.19 |
| 申请人 |
Samsung Electronics Co., Ltd. |
发明人 |
LEE YOUNGJOO;SONG ILJONG;YOON CHOLSU |
| 分类号 |
G06K7/10 |
主分类号 |
G06K7/10 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A contactless communication device, comprising:
a field strength detecting circuit configured to detect a strength of a field induced on an antenna; a card circuit configured to demodulate a signal received via the antenna during a reception interval of a card mode; a processing unit configured to process the demodulated signal; and a reader circuit configured to transmit data via the antenna during a transmission interval of the card mode, the data provided from the processing unit, wherein the device is configured to adjust an output power of the reader circuit according to the field strength detected. |
| 地址 |
Suwon-si KR |
