IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0651385
(2009-12-31)
|
등록번호 |
US-8107809
(2012-01-31)
|
우선권정보 |
CN-2009 1 0108599 (2009-07-06) |
발명자
/ 주소 |
- Li, Jingzhen
- Gong, Xiangdong
- Wu, Qingyang
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
2 |
초록
▼
A new camera bellows of a rotating-mirror framing camera, without principle errors such as defocusing error of imaging points, non-uniform photographic frequency and each axial chief ray of exit-pupil and the corresponding relay lens being different with a corresponding reflective optical axis, is p
A new camera bellows of a rotating-mirror framing camera, without principle errors such as defocusing error of imaging points, non-uniform photographic frequency and each axial chief ray of exit-pupil and the corresponding relay lens being different with a corresponding reflective optical axis, is provided. This kind of camera bellows is carried out through centers of the exit-pupil diaphragms being disposed on a cylindrical surface aligned with a first Pascal spiral line, and principal points of the relay lenses of the relay lens array and the image recording surface being disposed on cylindrical surfaces aligned with second and third Pascal spiral lines respectively. The bellows is mainly composed of a box, and an aperture diaphragm, a field lens, a rotating mirror, a relay lens array, an exit-pupil diaphragm array and a record image surface.
대표청구항
▼
1. A camera bellows of a rotating-mirror framing camera, comprising: a box;a rotating mirror;a relay lens array having a plurality of relay lenses;an exit-pupil diaphragm array having a plurality of exit-pupil diaphragms, the exit-pupil diaphragm array corresponding to the relay lens array; andan im
1. A camera bellows of a rotating-mirror framing camera, comprising: a box;a rotating mirror;a relay lens array having a plurality of relay lenses;an exit-pupil diaphragm array having a plurality of exit-pupil diaphragms, the exit-pupil diaphragm array corresponding to the relay lens array; andan image recording surface;wherein the rotating mirror, the relay lens array, the exit-pupil diaphragm array and the image recording surface are disposed in the box, a secondary image introduced outside of the box is imaged on the rotating mirror, reflected by the rotating mirror and passes through the exit-pupil diaphragms and the relay lenses to form a final image on the image recording surface, an aperture diaphragm configured for controlling the size of the imaging light-beam is disposed on the box, an image of the aperture diaphragm is formed on the exit-pupil diaphragms of the exit-pupil diaphragm array after being reflected by the rotating mirror, and centers of the exit-pupil diaphragms of the exit-pupil diaphragm array are disposed on a cylindrical surface aligned with a first Pascal spiral line; principal points of the relay lenses of the relay lens array are each disposed on a cylindrical surface aligned with a second Pascal spiral line; a row of lens mounts is disposed in the box, wherein the row of lens mounts has a plurality of guide slots, wherein each of the guide slots corresponds to each of the relay lenses of the relay lens array, and wherein each of the relay lenses is adjustable in a corresponding guide slot along an optical axis of the relay lenses respectively; two rows of lens mounts are disposed in the box and the two rows of lens mounts are disposed at two sides of the rotating mirror to form two optical systems and two photographic record regions in the box for performing an continuous access photographic recording. 2. The camera bellows of the rotating-mirror framing camera as claimed in claim 1, wherein in a planar coordinate system, a plane of which is perpendicular to a rotating axis of the rotating mirror and an x axis of which is in a direction of introducing the secondary image, a trace equation of the first Pascal spiral line is: xe=(qe+x0)cos 2φ+y0 sin 2φ+(x0+2r cosφ)ye=(qe+x0)sin 2φ−y0 cos 2φ+(y0+2r sinφ)Where (x0, y0) is a rotating center coordinate of the rotating mirror; (−qe, 0) is a coordinate of an image point focused by a center of the aperture diaphragm that being imaged by a field lens; (xe, ye) are coordinates of the centers of the exit-pupil diaphragms; r is a half thickness of the rotating mirror; and φ is a real-time angle of the rotating mirror against an initial position in a direction perpendicular to the x axis. 3. The camera bellows of the rotating-mirror framing camera as claimed in claim 2, wherein principal points of the relay lenses of the relay lens array are all disposed on a cylindrical surface aligned with a second Pascal spiral line. 4. The camera bellows of the rotating-mirror framing camera as claimed in claim 3, wherein in a planar coordinate system, a plane of which is perpendicular to a rotating axis of the rotating mirror and an x axis of which is in a direction of introducing the secondary image, a trace equation of the second Pascal spiral line where the principal points of the relay lenses are located is: xH=(qH+x0)cos 2φ+y0 sin 2φ+(x0+2r cosφ)yH=(qH+x0)sin 2φ−y0 cos 2φ+(y0+2r sinφ)where (x0, y0) is a rotating center coordinate of the rotating mirror; (−qH, 0) is a coordinate of a design point of the relay lenses, the design point is a principal point of one of the relay lenses determined by the secondary image directly passing through the relay lenses such that the final image is focused at the design point without the rotating mirror; (xH, yH) are coordinates of the principal points of the relay lenses; r is a half thickness of the rotating mirror; and φ is a real-time angle of the rotating mirror against an initial position in a direction perpendicular to the x axis. 5. The camera bellows of the rotating-mirror framing camera as claimed in claim 3, wherein when the rotating mirror rotates, the secondary image is mirrored at a reflective point of the rotating mirror to one of the relay lenses of the relay lens array, and an optical axis of said relay lenses is set as passing through said reflective point thereof. 6. The camera bellows of the rotating-mirror framing camera as claimed in claim 1, wherein the image recording surface is disposed on a cylindrical surface aligned with a third Pascal spiral line. 7. The camera bellows of the rotating-mirror framing camera as claimed in claim 6, wherein in a planar coordinate system, a plane of which is perpendicular to a rotating axis of the rotating mirror and an x axis of which is in a direction of introducing the secondary image, a trace equation of the third Pascal spiral line is: xf=(qf+x0)cos 2φ+y0 sin 2φ+(x0+2r cosφ)yf=(qf+x0)sin 2φ−y0 cos 2φ+(y0+2r sinφ)where (x0, y0) is a rotating center coordinate of the rotating mirror; (−qf, 0) is a center coordinate of a design point of the final image and selected from an optical system without the rotating mirror; (xf , yf) is a center coordinate of the image recording surface; r is a half thickness of the rotating mirror; and φ is a real-time angle of the rotating mirror against an initial position in a direction perpendicular to the x axis. 8. The camera bellows of the rotating mirror framing camera as claimed in claim 7, wherein principal points of the relay lenses of the relay lens array are each disposed on a cylindrical surface aligned with a second Pascal spiral line. 9. The camera bellows of the rotating-mirror framing camera as claimed in claim 8, wherein in a planar coordinate system, the plane of which is perpendicular to a rotating axis of the rotating mirror and the x axis of which is in a direction of introducing the secondary image, a trace equation of the second Pascal spiral line where the principal points of the relay lenses are located is: xH=(qH+x0)cos 2φ+y0 sin 2φ+(x0+2r cosφ)yH=(qH+x0)sin 2φ−y0 sin 2φ+(y0+2r sinφ)where (x0, y0) is a rotating center coordinate of the rotating mirror; (−qH, 0) is a coordinate of a design point of the relay lenses, the design point is a principal point of one of the relay lenses determined by the secondary image directly passing through the relay lenses such that the final image is focused at the design point without the rotating mirror; (xH, yH) are coordinates of the principal points of the relay lenses; r is a half thickness of the rotating mirror; and φ is a real-time angle of the rotating mirror against an initial location in a direction perpendicular to the x axis. 10. The camera bellows of the rotating-mirror framing camera as claimed in claim 8, wherein when the rotating mirror rotates, the secondary image is mirrored at a reflective point of the rotating mirror to one of the relay lenses of the relay lens array, and an optical axis of said relay lenses is set as passing through said reflective point thereof. 11. The camera bellows of the rotating mirror framing camera as claimed in claim 6, wherein principal points of the relay lenses of the relay lens array are all disposed on a cylindrical surface aligned with a second Pascal spiral line. 12. The camera bellows of the rotating-mirror framing camera as claimed in claim 11, wherein in a planar coordinate system, a plane of which is perpendicular to a rotating axis of the rotating mirror and an x axis of which is in a direction of introducing the secondary image, a trace equation of the second Pascal spiral line where the principal points of the relay lenses are located is: xH=(qH+x0)cos 2φ+y0 sin 2φ+(x0+2r cosφ)yH=(qH+x0)sin 2φ−y0 cos 2φ+(y0+2r sinφ)where (x0, y0) is a rotating center coordinate of the rotating mirror; (−qH, 0) is a coordinate of a design point of the relay lenses, the design point is a principal point of one of the relay lenses determined by the secondary image directly passing through the relay lenses such that the final image is focused at the design point without the rotating mirror; (xH, yH) are coordinates of the principal points of the relay lenses; r is a half thickness of the rotating mirror; and φ is a real-time angle of the rotating mirror against an initial location in a direction perpendicular to the x axis. 13. The camera bellows of the rotating-mirror framing camera as claimed in claim 11, wherein when the rotating mirror rotates, the secondary image is mirrored at a reflective point of the rotating mirror to one of the relay lenses of the relay lens array, and an optical axis of said relay lenses is set as passing through said reflective point thereof. 14. The camera bellows of the rotating-mirror framing camera as claimed in claim 1, wherein in a planar coordinate system a plane of which is perpendicular to a rotating axis of the rotating mirror and an x axis of which is in a direction of introducing the secondary image, a trace equation of the second Pascal spiral line where the principal points of the relay lenses are located is: xH=(qH+x0)cos 2φ+y0 sin 2φ+(x0+2r cosφ)yH=(qH+x0)sin 2φ−y0 cos 2φ+(y0+2r sinφ)wherein (x0 , y0) is a rotating center coordinate of the rotating mirror; (−qH, 0) is a coordinate of a design point of the relay lenses, the design point is a principal point of one of the relay lenses determined by the secondary image directly passing through the relay lenses such that a final image is focused at a design point without the rotating mirror; (xH, yH) are coordinates of the principal points of the relay lenses; r is a half thickness of the rotating mirror; and φ is a real-time angle of the rotating mirror against an initial position in a direction perpendicular to the x axis. 15. The camera bellows of the rotating-mirror framing camera as claimed in claim 1, wherein when the rotating mirror rotates, the secondary image is reflected at a reflective point of the rotating mirror to one of the relay lenses of the relay lens array, and an optical axis of said relay lenses is set as passing through said reflective point thereof. 16. The camera bellows of the rotating-mirror framing camera as claimed in claim 15, wherein the exit-pupil diaphragm array is located on an exit-pupil diaphragm piece, and wherein the exit-pupil diaphragm piece is mounted on an inner surface of the row of lens mounts. 17. The camera bellows of the rotating-mirror framing camera as claimed in claim 1, wherein the rotating mirror is disposed in a vacuum transparent glass spherical cover, and wherein the vacuum transparent glass spherical cover is disposed in the box.
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