发明名称 |
Optical wireless communications |
摘要 |
An optical wireless local area network using line of sight optical links. The base station and terminal stations are provided with optical transceivers which include a transmitter array and detector array. The transmitter array consists of an array of resonant cavity light emitting diodes integrated using flip-chip technology with a CMOS driver circuit. The driver circuit includes constant bias, current peaking and charge extraction. The driver circuitry is compact and can be confined within a region underlying the corresponding light source. The detector array consists of an array of photo diodes, provided with sense circuitry consisting of a pre-amplifier and post-amplifier. The diodes and senses and the detector may include adaptive optical elements to steer and/or focus the light beams.
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申请公布号 |
US2004114940(A1) |
申请公布日期 |
2004.06.17 |
申请号 |
US20030399326 |
申请日期 |
2003.12.18 |
申请人 |
EDWARDS DAVID JOHN;O'BRIEN DOMINIC CHRISTOPHER;FAULKNER GRAHAME EDWARD;HOLBURN DAVID MICHAEL;MEARS ROBERT JOSEPH |
发明人 |
EDWARDS DAVID JOHN;O'BRIEN DOMINIC CHRISTOPHER;FAULKNER GRAHAME EDWARD;HOLBURN DAVID MICHAEL;MEARS ROBERT JOSEPH |
分类号 |
H01L31/12;H04B10/00;H04B10/10;H04B10/105;H04B10/114;H04B10/22;(IPC1-7):F21S2/00;H04B10/04 |
主分类号 |
H01L31/12 |
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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