Optics: image projectors – Distortion compensation
Patent
1997-04-28
2000-09-26
Dowling, William
Optics: image projectors
Distortion compensation
353101, 359433, G03B 2114
Patent
active
061234257
ABSTRACT:
A projecting optical system projects an image formed on a primary image plane obliquely onto a secondary image plane. The projecting optical system has a plurality of partial optical systems decentered from each other. The projecting optical system also has a plurality of zoom optical systems. The zoom optical systems are moved to continuously vary an image magnification. During the movement, the secondary image plane is kept in a fixed position.
REFERENCES:
patent: 2354614 (1944-07-01), Reason
patent: 3963337 (1976-06-01), Lundberg
patent: 5032022 (1991-07-01), Sato et al.
patent: 5096288 (1992-03-01), Yano et al.
patent: 5220363 (1993-06-01), Sato et al.
patent: 5302983 (1994-04-01), Sato et al.
patent: 5422691 (1995-06-01), Ninomiya et al.
patent: 5442413 (1995-08-01), Tejima et al.
patent: 5479224 (1995-12-01), Yasugaki et al.
patent: 5587836 (1996-12-01), Takahashi et al.
patent: 5709445 (1998-01-01), Takamoto
patent: 5716118 (1998-02-01), Sato et al.
patent: 5820240 (1998-10-01), Ohzawa
Dowling William
Minolta Co. , Ltd.
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