发明名称 |
Optical space communication apparatus |
摘要 |
An optical space communication apparatus for propagating a beam of light through free space to thereby effect communication includes a transmitting device for transmitting a first optical signal converted into a beam of light, a expanse angle varying device for varying the angle of expanse of the beam of light into which the first optical signal has been converted, a level varying device for varying the output level of the first optical signal, a control device for controlling the expanse angle varying device and the level varying device, and a receiving device for receiving a second optical signal converted into a beam of light.
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申请公布号 |
US5594580(A) |
申请公布日期 |
1997.01.14 |
申请号 |
US19940340301 |
申请日期 |
1994.11.14 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
SAKANAKA, TETSUO;HAMURO, TAKEHIDE |
分类号 |
G01S3/786;H04B10/04;H04B10/06;H04B10/10;H04B10/105;H04B10/14;H04B10/22;(IPC1-7):H04B10/00 |
主分类号 |
G01S3/786 |
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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