CN105403880B - 一种测量距离的系统及方法 - Google Patents
一种测量距离的系统及方法 Download PDFInfo
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CN108761434B (zh) * | 2018-03-27 | 2022-06-28 | 中国电子科技集团公司第二十九研究所 | 一种基于cdma下行信号的伪距测量方法及系统 |
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KR20050014051A (ko) * | 2003-07-29 | 2005-02-07 | 안희태 | 초음파 신호에서 주파수 분리를 이용한 거리측정 방법 및장치 |
CN100429479C (zh) * | 2005-12-01 | 2008-10-29 | 乐金电子(中国)研究开发中心有限公司 | 一种利用声波进行距离测量的手机装置及其距离测量方法 |
GB0714577D0 (en) * | 2007-07-26 | 2007-09-05 | Sonitor Technologies As | Mobile object communication and position determination |
CN101504460A (zh) * | 2009-02-11 | 2009-08-12 | 深圳华为通信技术有限公司 | 一种在可视电话上测量用户和摄像头距离的方法及装置 |
CN103645462B (zh) * | 2013-11-26 | 2015-08-12 | 清华大学 | 一种声波定位方法和终端 |
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Effective date of registration: 20200601 Address after: 361012 unit 05, 8th floor, building D, Xiamen international shipping center, No.97 Xiangyu Road, Xiamen area, China (Fujian) free trade zone Patentee after: Xinxin Finance Leasing (Xiamen) Co.,Ltd. Address before: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288 Patentee before: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. |
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Application publication date: 20160316 Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Assignor: Xinxin Finance Leasing (Xiamen) Co.,Ltd. Contract record no.: X2021110000010 Denomination of invention: A system and method of measuring distance Granted publication date: 20181221 License type: Exclusive License Record date: 20210317 |
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Effective date of registration: 20230718 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288 Patentee after: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Address before: Unit 05, 8 / F, building D, Xiamen international shipping center, 97 Xiangyu Road, Xiamen area, 361012 China (Fujian) pilot Free Trade Zone Patentee before: Xinxin Finance Leasing (Xiamen) Co.,Ltd. |