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1. 发明授权

US07006270B2 Optical scanning device, image forming apparatus, and optical scanning method 有权
公开(公告)号：US07006270B2
公开(公告)日：2006-02-28
申请号：US11030124
申请日：2005-01-07
申请人： Seizo Suzuki , Kenichi Takanashi
发明人： Seizo Suzuki , Kenichi Takanashi
IPC分类号： G02B26/08
CPC分类号： H01L23/051 , B41J2/471 , G02B26/125 , H01L23/36 , H01L25/072 , H01L2924/0002 , H04N1/1135 , H04N2201/02495 , H01L2924/00
摘要： An optical scanning device condenses a beam deflected by a light deflector, by a scanning and imaging lens toward a surface to be scanned to form a beam spot thereon, and scans the surface to be scanned by the beam spot. At least one lens of the scanning and imaging lens is configured so that a lens body thereof is held by a holding frame, wherein a rib surface at an end in a longitudinal direction of the holding frame is inclined so that a ghost light generated as a result of the deflected beam being reflected by the end in the longitudinal direction of the holding frame is changed in light path in a sub-scan direction.

2. 发明授权

US06400391B1 Optical scanning lens, optical scanning device and image forming apparatus 有权
标题翻译：光学扫描透镜，光学扫描装置和图像形成装置
公开(公告)号：US06400391B1
公开(公告)日：2002-06-04
申请号：US09588342
申请日：2000-06-06
申请人： Hiroyuki Suhara , Satoru Itoh , Tatsuya Ito , Takeshi Ueda , Yoshinori Hayashi , Magane Aoki , Kenichi Takanashi , Takao Yamaguchi , Taira Kouchiwa , Koji Hirakura , Seizo Suzuki
发明人： Hiroyuki Suhara , Satoru Itoh , Tatsuya Ito , Takeshi Ueda , Yoshinori Hayashi , Magane Aoki , Kenichi Takanashi , Takao Yamaguchi , Taira Kouchiwa , Koji Hirakura , Seizo Suzuki
IPC分类号： B41J2700
CPC分类号： B41J2/471 , G02B3/0087 , G02B13/0005 , G02B26/125 , Y10S359/90
摘要： An optical scanning lens is used in a scanning and image forming optical system which gathers a light flux deflected by a light deflector in the vicinity of a surface to be scanned. The lens is formed by plastic molding of polyolefin resin, and the following condition is satisfied: 0
摘要翻译：在扫描和成像光学系统中使用光学扫描透镜，其收集由光导偏转器在待扫描表面附近偏转的光束。该透镜通过聚烯烃树脂的塑性成型形成，满足以下条件：0 <| DELTAn（x）-min [DELTAn（x）] | <34×10-5，其中DELTAn（x）表示折射率分布在透镜中存在于透镜中通过的范围内，并且最小[DELTAn（x）]表示DELTAn（x）的最小值。

3. 发明授权

US06233081B1 Optical scanning device, image forming apparatus and optical scanning method 有权
标题翻译：光学扫描装置，成像装置和光学扫描方法
公开(公告)号：US06233081B1
公开(公告)日：2001-05-15
申请号：US09469955
申请日：1999-12-21
申请人： Seizo Suzuki , Taira Kouchiwa , Kenichi Takanashi
发明人： Seizo Suzuki , Taira Kouchiwa , Kenichi Takanashi
IPC分类号： G02B2608
CPC分类号： G02B26/124 , G02B27/58
摘要： An optical scanning device includes a light source, a coupling lens, an optical deflector, an aperture and a scanning image-forming optical system. The central wavelength of the light flux emitted by the light source is less than about 680 nm, and NAO, &kgr;, &bgr;0 satisfy &bgr;0/(NAO•&kgr;)
摘要翻译：光学扫描装置包括光源，耦合透镜，光偏转器，光圈和扫描图像形成光学系统。由光源发射的光束的中心波长小于约680nm，NAO，κ，β0满足β0/（NAO.kappa）<100，NAO满足0.18

4. 发明申请

US20050128615A1 Optical scanning lens, optical scanning device and image forming apparatus 失效
标题翻译：光学扫描透镜，光学扫描装置和图像形成装置
公开(公告)号：US20050128615A1
公开(公告)日：2005-06-16
申请号：US11050724
申请日：2005-02-07
申请人： Hiroyuki Suhara , Satoru Itoh , Tatsuya Ito , Takeshi Ueda , Yoshinori Hayashi , Magane Aoki , Kenichi Takanashi , Takao Yamaguchi , Taira Kouchiwa , Koji Hirakura , Seizo Suzuki
发明人： Hiroyuki Suhara , Satoru Itoh , Tatsuya Ito , Takeshi Ueda , Yoshinori Hayashi , Magane Aoki , Kenichi Takanashi , Takao Yamaguchi , Taira Kouchiwa , Koji Hirakura , Seizo Suzuki
IPC分类号： G02B26/10 , B41J2/47 , C08L23/00 , G02B1/04 , G02B3/00 , G02B13/00 , G02B26/12 , G02B26/08
CPC分类号： B41J2/471 , G02B3/0087 , G02B13/0005 , G02B26/125 , Y10S359/90
摘要： An optical scanning lens is used in a scanning and image forming optical system which gathers a light flux deflected by a light deflector in the vicinity of a surface to be scanned. The lens is formed by plastic molding of polyolefin resin, and the following condition is satisfied: 0
摘要翻译：在扫描和成像光学系统中使用光学扫描透镜，其收集由光导偏转器在待扫描表面附近偏转的光束。透镜通过聚烯烃树脂的塑性成型形成，满足以下条件：0 <| Deltan（x）-min [Deltan（x）] | <34×10 -5，其中Deltan（x ）表示在透镜中存在于透镜内部的范围内的折射率分布，并且min [Deltan（x）]表示Deltan（x）的最小值。

5. 发明授权

US06862123B2 Optical scanning device, image forming apparatus, and optical scanning method 有权
标题翻译：光学扫描装置，成像装置和光学扫描方法
公开(公告)号：US06862123B2
公开(公告)日：2005-03-01
申请号：US10608210
申请日：2003-06-30
申请人： Seizo Suzuki , Kenichi Takanashi
发明人： Seizo Suzuki , Kenichi Takanashi
IPC分类号： B41J2/44 , B41J2/47 , G02B26/10 , G02B26/12 , H01L23/051 , H01L23/36 , H01L25/07 , H04N1/113 , G02B26/08
CPC分类号： H01L23/051 , B41J2/471 , G02B26/125 , H01L23/36 , H01L25/072 , H01L2924/0002 , H04N1/1135 , H04N2201/02495 , H01L2924/00
摘要： An optical scanning device condenses a beam deflected by a light deflector, by a scanning and imaging lens toward a surface to be scanned to form a beam spot thereon, and scans the surface to be scanned by the beam spot. At least one lens of the scanning and imaging lens is configured so that a lens body thereof is held by a holding frame, wherein a rib surface at an end in a longitudinal direction of the holding frame is inclined so that a ghost light generated as a result of the deflected beam being reflected by the end in the longitudinal direction of the holding frame is changed in light path in a sub-scan direction.
摘要翻译：光学扫描装置将由光偏转器偏转的光束，通过扫描和成像透镜朝向待扫描的表面凝结，在其上形成光斑，并扫描由光点扫描的表面。扫描和成像透镜的至少一个透镜被构造成使得其透镜体由保持框架保持，其中在保持框架的纵向方向上的端部处的肋表面倾斜，使得产生的重影为沿着保持框架的纵向方向的端部反射的偏转光束的结果在副扫描方向上的光路中改变。

6. 发明授权

US06833940B2 Method and apparatus for optical scanning capable of performing a high speed and high pixel density scanning 有权
标题翻译：能进行高速高像素密度扫描的光学扫描方法和装置
公开(公告)号：US06833940B2
公开(公告)日：2004-12-21
申请号：US10278878
申请日：2002-10-24
申请人： Seizo Suzuki , Kenichi Takanashi
发明人： Seizo Suzuki , Kenichi Takanashi
IPC分类号： G02B2608
CPC分类号： G02B26/12
摘要： An optical scanning apparatus using an underfilled or overfilled optical system includes a number M of light sources, first, second, and third optical scanning lens systems, and a rotary polygon mirror. The number M of light sources emit a laser light beam. The first optical scanning lens system performs a coupling process to the laser light beam. The second optical scanning lens system collects light of the laser light beam in an approximately linear state extended in a main scanning direction. The rotary polygon mirror has a number N of deflective reflection surfaces for deflecting the laser light beam. The third optical scanning lens system gathers the laser light beam from the rotary polygon mirror to form a beam spot on an imaging surface. In this optical scanning apparatus, the predetermined number M satisfies a condition: 3×Rp/Rmax≧M≧Rp/Rmax, wherein Rp and Rmax are defined as: Rp≡(Dpi/25.4)×(260×Ppm)/N, and Rmax≡(5.4×106)×√{N16/(A4×t)}, respectively.
摘要翻译：使用未填充或过满的光学系统的光学扫描装置包括M个光源，第一，第二和第三光学扫描透镜系统和旋转多面镜。光源的数量M发射激光束。第一光学扫描透镜系统对激光束进行耦合处理。第二光学扫描透镜系统以沿主扫描方向延伸的近似线性状态收集激光束的光。旋转多面镜具有N个用于偏转激光束的偏转反射面。第三光学扫描透镜系统从旋转多面镜收集激光束以在成像表面上形成束斑。在这种光学扫描装置中，预定数量M满足条件：3×Rp / Rmax> = M> = Rp / Rmax，其中Rp和Rmax被定义为：Rp =（Dpi / 25.4）×（260xPpm）/ N，Rmax =（5.4×10 6）×√{N 16 /（A 4×xt）}。

7. 发明授权

US06744545B2 Optical scanning lens, optical scanning device and image forming apparatus 有权
标题翻译：光学扫描透镜，光学扫描装置和图像形成装置
公开(公告)号：US06744545B2
公开(公告)日：2004-06-01
申请号：US10143013
申请日：2002-05-13
申请人： Hiroyuki Suhara , Satoru Itoh , Tatsuya Ito , Takeshi Ueda , Yoshinori Hayashi , Magane Aoki , Kenichi Takanashi , Takao Yamaguchi , Taira Kouchiwa , Koji Hirakura , Seizo Suzuki
发明人： Hiroyuki Suhara , Satoru Itoh , Tatsuya Ito , Takeshi Ueda , Yoshinori Hayashi , Magane Aoki , Kenichi Takanashi , Takao Yamaguchi , Taira Kouchiwa , Koji Hirakura , Seizo Suzuki
IPC分类号： G02B2608
CPC分类号： B41J2/471 , G02B3/0087 , G02B13/0005 , G02B26/125 , Y10S359/90
摘要： An optical scanning lens is used in a scanning and image forming optical system which gathers a light flux deflected by a light deflector in the vicinity of a surface to be scanned. The lens is formed by plastic molding of polyolefin resin, and the following condition is satisfied: 0
摘要翻译：在扫描和成像光学系统中使用光学扫描透镜，其收集由光导偏转器在待扫描表面附近偏转的光束。透镜通过聚烯烃树脂的塑性成型形成，满足以下条件：其中Deltan（x）表示折射率为0的折射率，其中，Δt（x）-min [Deltan（x）] | <34×10 < 在透镜中存在的透镜内部的折射率分布在透镜中通过的范围内，并且min [Deltan（x）]表示Deltan（x）的最小值。

8. 发明授权

US07072127B2 Optical scanning lens, optical scanning device and image forming apparatus 失效
标题翻译：光学扫描透镜，光学扫描装置和图像形成装置
公开(公告)号：US07072127B2
公开(公告)日：2006-07-04
申请号：US11050724
申请日：2005-02-07
申请人： Hiroyuki Suhara , Satoru Itoh , Tatsuya Ito , Takeshi Ueda , Yoshinori Hayashi , Magane Aoki , Kenichi Takanashi , Takao Yamaguchi , Taira Kouchiwa , Koji Hirakura , Seizo Suzuki
发明人： Hiroyuki Suhara , Satoru Itoh , Tatsuya Ito , Takeshi Ueda , Yoshinori Hayashi , Magane Aoki , Kenichi Takanashi , Takao Yamaguchi , Taira Kouchiwa , Koji Hirakura , Seizo Suzuki
IPC分类号： G02B9/00
CPC分类号： B41J2/471 , G02B3/0087 , G02B13/0005 , G02B26/125 , Y10S359/90
摘要： An optical scanning lens is used in a scanning and image forming optical system which gathers a light flux deflected by a light deflector in the vicinity of a surface to be scanned. The lens is formed by plastic molding of polyolefin resin, and the following condition is satisfied: 0
摘要翻译：在扫描和成像光学系统中使用光学扫描透镜，其收集由光导偏转器在待扫描表面附近偏转的光束。透镜通过聚烯烃树脂的塑性成型形成，满足以下条件：0 <| Deltan（x）-min [Deltan（x）] | <34×10 -5，其中Deltan（x ）表示在透镜中存在于透镜内部的范围内的折射率分布，并且min [Deltan（x）]表示Deltan（x）的最小值。

9. 发明申请

US20050122557A1 Optical scanning device, image forming apparatus, and optical scanning method 有权
公开(公告)号：US20050122557A1
公开(公告)日：2005-06-09
申请号：US11030124
申请日：2005-01-07
申请人： Seizo Suzuki , Kenichi Takanashi
发明人： Seizo Suzuki , Kenichi Takanashi
IPC分类号： B41J2/44 , B41J2/47 , G02B26/10 , G02B26/12 , H01L23/051 , H01L23/36 , H01L25/07 , H04N1/113 , G02B26/08
CPC分类号： H01L23/051 , B41J2/471 , G02B26/125 , H01L23/36 , H01L25/072 , H01L2924/0002 , H04N1/1135 , H04N2201/02495 , H01L2924/00
摘要： An optical scanning device condenses a beam deflected by a light deflector, by a scanning and imaging lens toward a surface to be scanned to form a beam spot thereon, and scans the surface to be scanned by the beam spot. At least one lens of the scanning and imaging lens is configured so that a lens body thereof is held by a holding frame, wherein a rib surface at an end in a longitudinal direction of the holding frame is inclined so that a ghost light generated as a result of the deflected beam being reflected by the end in the longitudinal direction of the holding frame is changed in light path in a sub-scan direction.

10. 发明授权

US06870652B2 Optical scanning lens, optical scanning device and image forming apparatus 有权
标题翻译：光学扫描透镜，光学扫描装置和图像形成装置
公开(公告)号：US06870652B2
公开(公告)日：2005-03-22
申请号：US10820733
申请日：2004-04-09
申请人： Hiroyuki Suhara , Satoru Itoh , Tatsuya Ito , Takeshi Ueda , Yoshinori Hayashi , Magane Aoki , Kenichi Takanashi , Takao Yamaguchi , Taira Kouchiwa , Koji Hirakura , Seizo Suzuki
发明人： Hiroyuki Suhara , Satoru Itoh , Tatsuya Ito , Takeshi Ueda , Yoshinori Hayashi , Magane Aoki , Kenichi Takanashi , Takao Yamaguchi , Taira Kouchiwa , Koji Hirakura , Seizo Suzuki
IPC分类号： G02B26/10 , B41J2/47 , C08L23/00 , G02B1/04 , G02B3/00 , G02B13/00 , G02B26/12 , G02B26/08
CPC分类号： B41J2/471 , G02B3/0087 , G02B13/0005 , G02B26/125 , Y10S359/90
摘要： An optical scanning lens which is used in a scanning and age forming optical system which gathers a light flux deflected by a light deflector in the vicinity of a surface to be scanned. The lens is formed by plastic molding of polyolefin resin, and the following condition is satisfied: 0
摘要翻译：一种光学扫描透镜，用于扫描和成像光学系统中，该光学系统将由光偏转器偏转的光束聚集在待扫描表面附近。透镜通过聚烯烃树脂的塑性成型形成，满足以下条件：其中Deltan（x）表示折射率为0的折射率，其中，Δt（x）-min [Deltan（x）] | <34×10 < 在透镜中存在的透镜内部的折射率分布在透镜中通过的范围内，并且min [Deltan（x）]表示Deltan（x）的最小值。

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