发明公开
- 专利标题： DUAL THREE-SPOTS OPTICAL SCANNING DEVICE
- 专利标题（中）： 双三点光学扫描装置
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申请号： EP02788432.9申请日： 2002-12-18
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公开(公告)号： EP1464050A2公开(公告)日： 2004-10-06
- 发明人: JUTTE, Petrus, T. , COOPS, Peter , DRENTEN, Ronald, R.
- 申请人： Koninklijke Philips Electronics N.V.
- 申请人地址： Groenewoudseweg 1 5621 BA Eindhoven NL
- 专利权人： Koninklijke Philips Electronics N.V.
- 当前专利权人： Koninklijke Philips Electronics N.V.
- 当前专利权人地址： Groenewoudseweg 1 5621 BA Eindhoven NL
- 代理机构： Visser, Derk
- 优先权： EP01205082 20011224
- 国际公布： WO2003056550 20030710
- 主分类号： G11B7/09
- IPC分类号： G11B7/09
摘要：
A radiation detector array for radial tracking error detection for a dual-wavelength optical scanning device. Three spot detectors (100, 102, 104) for conducting three spot radial tracking error detection at each of the two different wavelengths. Satellite spot detectors (102, 104) are divided into three detector elements and one switched depending on the wavelength currently being used for scanning.
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