CN104318193B - 一种rfid变频读卡器及其扫频读标签方法 - Google Patents
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CN105225317A (zh) * | 2015-10-03 | 2016-01-06 | 上海大学 | 一种多路集中管理的网络门禁控制*** |
CN106921019A (zh) * | 2015-12-28 | 2017-07-04 | 航天信息股份有限公司 | 一种rfid标签通信***和通信方法 |
CN105929276B (zh) * | 2016-05-09 | 2019-01-01 | 广州广电运通金融电子股份有限公司 | 一种防侧录电磁干扰的检测方法及设备 |
CN109462419B (zh) * | 2018-11-15 | 2019-12-03 | 中国船舶重工集团公司第七一九研究所 | 一种基于DDS直接数字频率合成的LoRa散射通信*** |
CN117214675B (zh) * | 2023-11-08 | 2024-01-30 | 无锡力芯微电子股份有限公司 | 一种磁条卡信息读取集成电路的测试方法及测试电路 |
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CN101276400A (zh) * | 2007-02-06 | 2008-10-01 | 三电有限公司 | Rfid标签读取装置 |
CN102750574A (zh) * | 2012-06-01 | 2012-10-24 | 北京物资学院 | 一种带声敏装置的rfid标签、rfid***及声音强度检测方法 |
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CN101276400A (zh) * | 2007-02-06 | 2008-10-01 | 三电有限公司 | Rfid标签读取装置 |
CN102750574A (zh) * | 2012-06-01 | 2012-10-24 | 北京物资学院 | 一种带声敏装置的rfid标签、rfid***及声音强度检测方法 |
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Denomination of invention: A RFID frequency conversion card reader and its frequency scanning tag reading method Effective date of registration: 20210105 Granted publication date: 20170901 Pledgee: Industrial and Commercial Bank of China Limited Dalian Xinghai sub branch Pledgor: RISING (DALIAN) Co.,Ltd. Registration number: Y2021210000002 |
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Denomination of invention: An RFID variable frequency card reader and its frequency scanning tag reading method Effective date of registration: 20220610 Granted publication date: 20170901 Pledgee: Dalian technology Financing Guarantee Co.,Ltd. Pledgor: RISING (DALIAN) Co.,Ltd. Registration number: Y2022980007612 |
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Denomination of invention: An RFID variable frequency card reader and its frequency scanning label reading method Effective date of registration: 20230921 Granted publication date: 20170901 Pledgee: China CITIC Bank Co.,Ltd. Dalian Branch Pledgor: RISING (DALIAN) Co.,Ltd. Registration number: Y2023980058217 |