发明名称 |
SYSTEM AND METHOD FOR OPTICAL COMMUNICATION BEAM TRACKING AND FOR DATA RECEIVING FROM THE BEAM |
摘要 |
PROBLEM TO BE SOLVED: To provide a system which tracks an optical communication beam in free space. SOLUTION: Modulated light beam 12 is divided by a beam splitter 24. The light beam is partially converged on a high speed photodetector 26. The other modulated light beam 12 is passed through a target pattern optical element 32. As a result, a target pattern is formed on a two-dimensional active pixel sensor array 34. The alignment of a system 10 is adjusted based on the position of a target pattern on the array 34. |
申请公布号 |
JPH10336112(A) |
申请公布日期 |
1998.12.18 |
申请号 |
JP19980116506 |
申请日期 |
1998.04.27 |
申请人 |
AT & T CORP |
发明人 |
BOWEN DONALD JOHN;DURANT GREGORY M;RUTLEDGE CHRISTOPHER L |
分类号 |
H04B10/00;G01J3/28;G01S3/782;H04B10/10;H04B10/105;H04B10/22 |
主分类号 |
H04B10/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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