发明授权
- 专利标题: Holographic apparatus using incoherent light
- 专利标题(中): 使用无光灯的全景照相设备
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申请号: US511577申请日: 1990-04-20
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公开(公告)号: US5081540A公开(公告)日: 1992-01-14
- 发明人: Eric Dufresne , Pierre Chavel , Gabriel Sirat
- 申请人: Eric Dufresne , Pierre Chavel , Gabriel Sirat
- 申请人地址: FRX
- 专利权人: Etat Francais, represente par le Ministre des Postes, Telecommunications et de l'Espace (Centre National d'Etudes des Telecommunications)
- 当前专利权人: Etat Francais, represente par le Ministre des Postes, Telecommunications et de l'Espace (Centre National d'Etudes des Telecommunications)
- 当前专利权人地址: FRX
- 优先权: FRX8905344 19890421
- 主分类号: G03H1/06
- IPC分类号: G03H1/06
摘要:
A holographic apparatus of the type comprising a conoscopic system including a birefringent crystal inserted between two polarizers, wherein the apparatus also includes an aperture angle limiter inserted on the path of the light rays and wherein one of the birefringent crystal and the aperture angle limiter is disposed off the optical axis of the apparatus.
公开/授权文献
- US5529370A Trim panel mounting assembly 公开/授权日:1996-06-25