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1. 发明授权

US5901256A Laser beam scanning device and apparatus provided with a laser beam scanning device 失效
标题翻译：具有激光束扫描装置的激光束扫描装置和装置
公开(公告)号：US5901256A
公开(公告)日：1999-05-04
申请号：US568758
申请日：1995-12-07
申请人： Hiromu Nakamura , Satoru Ono
发明人： Hiromu Nakamura , Satoru Ono
IPC分类号： B41J2/44 , G02B26/12 , G06K7/10 , G06K7/00 , G02B26/08
CPC分类号： G02B26/126 , G06K7/10702
摘要： A laser beam scanning device which has an improved cylindrical mirror in an optical path from a laser source unit to a polygonal mirror. The cylindrical mirror has a finite radius of curvature only in a sub scanning direction, and the radius of curvature in the sub scanning direction varies in a main scanning direction such that the closer to a laser beam incident side, the larger and the closer to a laser beam emergent side, the smaller. The laser beam reflected by the cylindrical mirror is converged on a line substantially parallel to each reflective facet of the polygonal mirror.
摘要翻译：一种激光束扫描装置，其具有从激光源单元到多面镜的光路中的改进的圆柱形反射镜。圆柱形反射镜仅在副扫描方向上具有有限的曲率半径，并且副扫描方向上的曲率半径在主扫描方向上变化，使得更靠近激光束入射侧，越大越接近激光束紧急侧，较小。由圆柱形反射镜反射的激光束会聚在基本上平行于多面镜的每个反射小面的线上。

2. 发明授权

US5294945A Laser beam optical scanning system and laser printing provided with the laser beam optical scanning system 失效
标题翻译：激光束光学扫描系统和激光打印提供激光束光学扫描系统
公开(公告)号：US5294945A
公开(公告)日：1994-03-15
申请号：US66504
申请日：1993-05-24
申请人： Kunihiko Omura , Akiyoshi Hamada , Satoru Ono , Hiromu Nakamura
发明人： Kunihiko Omura , Akiyoshi Hamada , Satoru Ono , Hiromu Nakamura
IPC分类号： B41J2/44 , B41J2/47 , G02B26/10 , H04N1/053 , H04N1/113 , H04N1/12 , H04N1/23 , B41J2/435 , H04N1/21
CPC分类号： H04N1/053 , B41J2/471 , H04N1/1135 , H04N1/12 , H04N2201/0471
摘要： A laser source unit in which a laser diode is located at a focal point of a Fresnel lens using refraction and diffraction. The laser diode emits a laser beam in accordance with a control signal generated by a driving circuit. The laser diode is driven such that defocus on an image surface caused by a rise in the temperature of the laser diode can be kept in a tolerable degree.
摘要翻译：激光源单元，其中激光二极管使用折射和衍射位于菲涅尔透镜的焦点处。激光二极管根据由驱动电路产生的控制信号发射激光束。激光二极管被驱动，使得由激光二极管的温度升高引起的图像上的散焦可以保持在可容许的程度。

3. 发明授权

US5828480A Image forming light scanning apparatus 失效
公开(公告)号：US5828480A
公开(公告)日：1998-10-27
申请号：US949921
申请日：1997-10-14
申请人： Hiromu Nakamura , Satoru Ono
发明人： Hiromu Nakamura , Satoru Ono
IPC分类号： G02B13/00 , G02B26/12 , G02B26/08 , G02B3/00
CPC分类号： G02B26/125 , G02B13/0005
摘要： A scanning apparatus has a luminous flux deflector and a single f.theta. lens. The deflector deflects a convergent luminous flux on a scanned surface at a uniform angular velocity. The f.theta. lens is arranged between the deflector and the scanned surface. The f.theta. lens is bi-convex in a main scanning direction and is made of a material having a refractive index of at most 1.6. One surface of the f.theta. lens in a main scanning direction is so curved that a radius of curvature in the main scanning direction decreases as an angle of view in the main scanning direction increases.

4. 发明授权

US5477373A Laser beam optical scanning device 失效
标题翻译：激光束光学扫描装置
公开(公告)号：US5477373A
公开(公告)日：1995-12-19
申请号：US149613
申请日：1993-11-09
申请人： Hiromu Nakamura , Satoru Ono
发明人： Hiromu Nakamura , Satoru Ono
IPC分类号： B41J2/44 , B41J2/47 , G02B26/10 , G02B26/12 , G02B26/08
CPC分类号： B41J2/471 , G02B26/126
摘要： A laser beam optical scanning device including a housing, a light source for emitting a unidirectional laser beam, polygonal mirror for deflection scanning a laser beam emitted from the light source within a single plane, and optical members for directing the deflected scanning laser beam on the surface of a photosensitive member through a beam emission aperture of the housing. A transparent member is provided at the beam emission aperture of the housing so as to satisfy the following equation: ##EQU1## where X:distance (mm) from transparent member to surface of photosensitive member,.lambda.:laser beam wavelength (mm),D.sub.0 :beam diameter (mm) at center intensity 1/e.sup.2 on surface of photosensitive member.
摘要翻译：一种激光束光学扫描装置，包括壳体，用于发射单向激光束的光源，用于偏转扫描在单个平面内从光源发射的激光束的多面镜，以及用于将偏转的扫描激光束引导到感光构件的表面通过壳体的射束孔径。透明构件设置在壳体的光束发射孔径处，以满足以下等式：感光构件的构件到表面，λ：激光束波长（mm），D0：中心强度1 / e2处的光束直径（mm）感光部件的表面。

5. 发明授权

US5926306A Image forming light scanning apparatus 失效
标题翻译：成像光扫描装置
公开(公告)号：US5926306A
公开(公告)日：1999-07-20
申请号：US948852
申请日：1997-10-10
申请人： Hiromu Nakamura , Toshio Naiki , Etsuko Shibata , Satoru Ono
发明人： Hiromu Nakamura , Toshio Naiki , Etsuko Shibata , Satoru Ono
IPC分类号： G02B13/00 , G02B26/12 , G02B26/08
CPC分类号： G02B26/125 , G02B13/0005
摘要： A scanning apparatus has a luminous flux deflector and a single f.theta. lens. The deflector deflects a convergent luminous flux on a scanned surface at a uniform angular velocity. The f.theta. lens is arranged between the deflector and the scanned surface. The f.theta. lens is bi-convex in a main scanning direction and is made of a material having a refractive index of at most 1.6. One surface of the f.theta. lens in a main scanning direction is so curved that a radius of curvature in the main scanning direction A decreases as an angle of view in the main scanning direction increases.
摘要翻译：扫描装置具有光束偏转器和单个θθ透镜。偏转器以均匀的角速度偏转扫描表面上的会聚光束。 fθ透镜布置在偏转器和扫描表面之间。 fθ透镜在主扫描方向上是双凸的，并且由折射率至多为1.6的材料制成。 fθ透镜在主扫描方向上的一个表面是如此弯曲的，使得主扫描方向A上的曲率半径随主扫描方向的视角增加而减小。

6. 发明授权

US5721631A Image forming light scanning apparatus 失效
公开(公告)号：US5721631A
公开(公告)日：1998-02-24
申请号：US620103
申请日：1996-03-21
申请人： Hiromu Nakamura , Toshio Naiki , Etsuko Shibata , Satoru Ono
发明人： Hiromu Nakamura , Toshio Naiki , Etsuko Shibata , Satoru Ono
IPC分类号： G02B13/00 , G02B26/12 , G02B26/08
CPC分类号： G02B26/125 , G02B13/0005
摘要： A scanning apparatus has a luminous flux deflector and a single f.theta. lens. The deflector deflects a convergent luminous flux on a scanned surface at a uniform angular velocity. The f.theta. lens is arranged between the deflector and the scanned surface. The f.theta. lens is bi-convex in a main scanning direction and is made of a material having a refractive index of at most 1.6. One surface of the f.theta. lens in a main scanning direction is so curved that a radius of curvature in the main scanning direction decreases as an angle of view in the main scanning direction increases.

7. 发明授权

US5671079A Scanning lens system 失效
标题翻译：扫描镜头系统
公开(公告)号：US5671079A
公开(公告)日：1997-09-23
申请号：US514268
申请日：1995-08-11
申请人： Yasushi Nagasaka , Hiromu Nakamura , Satoru Ono
发明人： Yasushi Nagasaka , Hiromu Nakamura , Satoru Ono
IPC分类号： G02B26/10 , G02B13/00 , G02B13/18 , G02B26/12 , G02B27/00 , G02B26/08
CPC分类号： G02B26/125 , G02B27/0031
摘要： A scanning lens system forms into an image a deflected beam having its object point in the main scanning direction located at a finite distance to scan a scanned surface. The fourth surface is parallelly decentered in the main scanning direction relative to the optical axis passing the center of a main scanning direction scanning width on the scanned surface. The third and fourth surfaces are rotatively decentered relative to the optical axis about an axis parallel to the sub scanning direction.
摘要翻译：扫描透镜系统在图像中形成偏转光束，该偏转光束的主要扫描方向上的物点位于有限距离处，以扫描扫描的表面。第四表面相对于通过扫描表面上的主扫描方向扫描宽度的中心的光轴在主扫描方向上平行偏心。第三和第四表面围绕平行于副扫描方向的轴线相对于光轴旋转偏心。

8. 发明授权

US5563729A Image forming light scanning apparatus 失效
标题翻译：成像光扫描装置
公开(公告)号：US5563729A
公开(公告)日：1996-10-08
申请号：US296020
申请日：1994-08-25
申请人： Hiromu Nakamura , Toshio Naiki , Etsuko Shibata , Satoru Ono
发明人： Hiromu Nakamura , Toshio Naiki , Etsuko Shibata , Satoru Ono
IPC分类号： G02B13/00 , G02B26/12 , G02B26/08
CPC分类号： G02B26/125 , G02B13/0005
摘要： A scanning apparatus has a luminous flux deflector and a single f.theta. lens. The deflector deflects a convergent luminous flux on a scanned surface at a uniform angular velocity. The f.theta. lens is arranged between the deflector and the scanned surface. The f.theta. lens is bi-convex in a main scanning direction and is made of a material having a refractive index of at most 1.6. One surface of the f.theta. lens in a main scanning direction is so curved that a radius of curvature in the main scanning direction decreases as an angle of view in the main scanning direction increases.
摘要翻译：扫描装置具有光束偏转器和单个θθ透镜。偏转器以均匀的角速度偏转扫描表面上的会聚光束。 fθ透镜布置在偏转器和扫描表面之间。 fθ透镜在主扫描方向上是双凸的，并且由折射率至多为1.6的材料制成。 fθ透镜在主扫描方向上的一个表面是如此弯曲的，使得主扫描方向上的曲率半径随主扫描方向的视角而增大。

9. 发明授权

US5530579A Laser beam optical scanning device 失效
标题翻译：激光束光学扫描装置
公开(公告)号：US5530579A
公开(公告)日：1996-06-25
申请号：US147723
申请日：1993-11-04
申请人： Hiromu Nakamura , Satoru Ono , Akiyoshi Hamada
发明人： Hiromu Nakamura , Satoru Ono , Akiyoshi Hamada
IPC分类号： G02B26/10 , G02B26/12 , G02B27/00 , G02B26/08
CPC分类号： G02B26/125 , G02B27/0031
摘要： A laser beam optical scanning device which has a laser diode, a collimator lens, a cylindrical lens, a polygonal scanner and an f .theta. lens. The polygonal scanner is made of resin, and when the polygonal scanner is driven to rotate, the reflective facets of the polygonal scanner are distorted to be concave or convex because of a centrifugal force. If the reflective facets are distorted to be concave with rotation of the polygonal scanner, the image surface shifts along the optical axis toward the polygonal scanner. Therefore, in this case, the elements of the optical scanning device are positioned such that the image surface is located behind a light receiving surface while the polygonal scanner is stationary and is located nearer to the light receiving surface while the polygonal scanner is rotating.
摘要翻译：一种具有激光二极管，准直透镜，柱面透镜，多边形扫描仪和fθ透镜的激光束光学扫描装置。多边形扫描器由树脂制成，并且当多边形扫描器被驱动旋转时，由于离心力，多边形扫描仪的反射小面变形为凹形或凸形。如果反射小面通过多边形扫描器的旋转而变形成凹入，则图像表面沿着光轴向多边形扫描器移动。因此，在这种情况下，光扫描装置的元件被定位成使得图像表面位于光接收表面的后面，而多边形扫描器是静止的并且在多边形扫描器旋转的同时位于更靠近受光面的位置。

10. 发明授权

US5521763A Optical device 失效
标题翻译：光学装置
公开(公告)号：US5521763A
公开(公告)日：1996-05-28
申请号：US396876
申请日：1995-03-01
申请人： Satoru Ono , Hiromu Nakamura , Jun Kohsaka
发明人： Satoru Ono , Hiromu Nakamura , Jun Kohsaka
IPC分类号： G02B1/04 , B41J2/44 , G02B7/00 , G02B7/02 , G02B26/10 , G02B26/12 , G03G15/04 , G02B26/08
CPC分类号： G02B7/008 , G02B26/126 , G02B7/028
摘要： An optical device having an optical element, a base plate which has a mount surface for setting the optical element, a first holding member composed of at least a hole and a projection so as to permit the optical element mounted on the base plate to move longitudinally and a second holding member composed of a hole and a projection so as to restrain the optical element from moving in a direction orthogonal to an optical axis.
摘要翻译：具有光学元件的光学元件，具有用于设置光学元件的安装面的基板，至少由孔和突起构成的第一保持部件，以使安装在基板上的光学元件纵向移动以及由孔和突起组成的第二保持构件，以便限制光学元件沿与光轴正交的方向移动。

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