发明名称 |
Video endoscope system and illumination optical system |
摘要 |
White light that was emitted from a white light source and converged through a condenser lens enters a light guide with a maximum incidence angle alpha. Since excitation light emitted from an excitation light source is adjusted by the adjustment optical system for its beam diameter, it enters the light guide with a maximum incidence angle beta (beta<alpha) after being converged by the condenser lens. Then, a motion mechanism displaces a second lens in an adjustment optical system in the direction of the optical axis to vary the beam diameter and the maximum incidence angle beta of the excitation light, whereby a divergence angle of the excitation light emitted through a light distribution lens is made to correspond to the divergence angle of the visible light. |
申请公布号 |
US2002026099(A1) |
申请公布日期 |
2002.02.28 |
申请号 |
US20010934605 |
申请日期 |
2001.08.23 |
申请人 |
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
ADACHI RENSUKE;SUGIMOTO HIDEO |
分类号 |
A61B1/04;A61B1/07;A61B5/00;(IPC1-7):A61B1/06;A61B6/00 |
主分类号 |
A61B1/04 |
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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