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    • 2. 发明授权
    • Printer system having a plurality of light sources of different
wavelengths
    • 具有多个不同波长的光源的打印机系统
    • US06031561A
    • 2000-02-29
    • US25273
    • 1998-02-18
    • Badhri NarayanJohn D. GriffithMichael E. Harrigan
    • Badhri NarayanJohn D. GriffithMichael E. Harrigan
    • B41J2/47G02B26/10G02B26/12H04N1/50
    • B41J2/471G02B26/10G02B26/124H04N1/502
    • A printer system for producing color prints includes: (a) three light sources, each generating a light beam of different wavelengths; (b) three modulators, each of the modulators modulating intensity of each of the light beams by image data, to provide three modulated light beams; (c) a beam combiner combining the three modulated light beams into a single light beam; (d) a single set of beam shaping optics shaping this single light beam into a shaped light beam having different vergences and waist locations in the page and line directions, the vergences and the waist locations being substantially the same in each of the three wavelengths; (e) a light deflector deflecting the shaped light beam to provide a deflected beam, and performing a scanning function; (f) an f-.theta. lens focusing the deflected light beam onto an associated image surface.
    • 用于产生彩色印刷品的打印机系统包括:(a)三个光源,每个产生不同波长的光束; (b)三个调制器,每个调制器通过图像数据调制每个光束的强度,以提供三个调制的光束; (c)将三个调制光束组合成单个光束的光束组合器; (d)一组光束整形光学器件将该单个光束成形为在页面和线方向上具有不同聚光度和腰部位置的成形光束,所述光束和腰部位置在三个波长中的每一个中基本相同; (e)光偏转器,偏转成形光束以提供偏转光束,并执行扫描功能; (f)将偏转的光束聚焦到相关联的图像表面上的f-θ透镜。
    • 3. 发明授权
    • Laser printer using multiple sets of lasers with multiple wavelengths
    • 激光打印机使用多组波长的激光器
    • US6064417A
    • 2000-05-16
    • US52592
    • 1998-03-31
    • Michael E. HarriganBadhri Narayan
    • Michael E. HarriganBadhri Narayan
    • B41J2/525B41J2/44B41J2/47G02B3/00
    • B41J2/46B41J2/473
    • A color printer for imaging on an image plane includes: (a) a plurality of light sources, each of the light sources being adapted to provide a spatially coherent, composite beam of light, each of the composite beams including a plurality of spectral components; (b) a single beam shaping optics accepting the composite beams, the beam shaping optics having optical elements adapted to shape said composite beams by a different amount in a scan direction and a cross scan direction, so as to form for each of the composite beams (i) a first beam waist in the cross scan direction of the composite beam and (ii) a second waist in the scan section of the composite beam, the first and second beam waists being spaced from one another; (c) a deflector adapted to move said plurality of composite beams across the image plane, the deflector being located closer to the first beam waists than to the second beam waists; and (d) scan optics located between the deflector and the image plane, the scan optics being adapted to (i) geometrically conjugate said deflector to the photosensitive medium in the cross scan direction of each composite light beam for each of the spectral components, and (ii) re-image the first and second waists onto the image plane.
    • 用于在图像平面上成像的彩色打印机包括:(a)多个光源,每个光源适于提供空间相干的复合光束,每个复合光束包括多个光谱分量; (b)接受复合光束的单个光束整形光学元件,所述光束整形光学器件具有适于在扫描方向和横扫描方向上将不同量的所述复合光束成形的光学元件,以便为每个复合光束形成 (i)在复合梁的十字扫描方向上的第一束腰和(ii)复合梁的扫描部分中的第二腰部,第一和第二梁腰彼此间隔开; (c)偏转器,适于使所述多个复合光束跨越所述像面移动,所述偏转器位于比所述第二光束腰更靠近所述第一光束腰部; 扫描光学器件适于(i)在每个光谱分量的每个复合光束的交叉扫描方向上几何地将所述偏转器与所述光敏介质共轭;以及(d)扫描位于所述偏转器和所述图像平面之间的光学元件, (ii)将第一和第二腰部重新成像到图像平面上。
    • 5. 发明授权
    • Dual format dual resolution scanner with off-axis beams
    • 具有离轴光束的双格式双分辨率扫描仪
    • US5861977A
    • 1999-01-19
    • US806303
    • 1997-02-26
    • Michael E. HarriganBadhri Narayan
    • Michael E. HarriganBadhri Narayan
    • B41J2/47G02B5/09G02B26/12H04N1/04H04N1/113G02B26/08
    • H04N1/0405B41J2/471G02B26/12G02B5/09H04N1/0402H04N1/0423H04N1/0452H04N1/1135
    • A laser scanner (10) has a light source (12), which produces a light beam (32) which is incident on a polygon tower (14) comprised of a first polygon (30) having a first diameter and first number of facets, and a second polygon (20) having a second diameter and second number of facets. The polygon tower (14) rotates about an axis common to both the first (30) and second (20) polygon and the first polygon. The point at which the light beam is incident on the polygon tower is shifted in a direction approximately parallel to the axis of the polygon tower so that the incident light is directed at either the first polygon or the second polygon. In one embodiment a reflected light beam from one of the polygons is off center from an optical axis of a scan lens (16). Moving the point at which the light beam is incident on the polygon tower (14) from the first polygon (30) to the second polygon (20), changes the format size, and resolution without moving or refocusing the scan lens, and without moving the polygon tower (14) or the imaging medium.
    • 激光扫描器(10)具有光源(12),其产生入射在具有第一直径和第一数目面的第一多边形(30)的多边形塔(14)上的光束(32) 以及具有第二直径和第二数量小面的第二多边形(20)。 多边形塔(14)围绕第一(30)和第二(20)多边形和第一多边形共同的轴旋转。 光束入射到多边形塔上的点在大致平行于多边形塔的轴线的方向上偏移,使得入射光指向第一多边形或第二多边形。 在一个实施例中,来自多边形之一的反射光束偏离扫描透镜(16)的光轴的中心。 将光束入射到多边形塔(14)上的点从第一多边形(30)移动到第二多边形(20),改变格式尺寸和分辨率而不移动或重新聚焦扫描透镜,并且不移动 多边形塔(14)或成像介质。
    • 6. 发明授权
    • Replaceable laser and modulator unit
    • 可更换的激光和调制器单元
    • US6069752A
    • 2000-05-30
    • US250803
    • 1999-02-17
    • Michael E. HarriganDouglass L. BlandingBradley S. JadrichBadhri Narayan
    • Michael E. HarriganDouglass L. BlandingBradley S. JadrichBadhri Narayan
    • B41J2/44G02B7/08G02F1/11G02B7/02
    • G02B7/08
    • A replaceable modular opto-mechanical unit includes a light source in the form of, for example, a laser assembly; an optical modulator assembly which modulates light from the light source; and a lens located in a light path between the light source and the optical modulator assembly. The lens focuses the light from said light source toward a center of the optical modulator assembly. The unit further includes a base adapted to removably support the light source, the optical modulator assembly and the lens in an optically aligned manner. The base is further adapted to be removably attached onto a receiving structure of a printer, such that an attachment of the base having the optically aligned light source, optical modulator assembly, and lens supported thereon, permits light from the optical modulator assembly to be focussed onto an optical element of the printer.
    • 可替换的模块化光机械单元包括例如激光组件形式的光源; 调制来自光源的光的光调制器组件; 以及位于光源和光调制器组件之间的光路中的透镜。 透镜将来自所述光源的光聚焦到光调制器组件的中心。 该单元还包括适于以光学对准的方式可移除地支撑光源,光学调制器组件和透镜的基座。 基座还适于可移除地附接到打印机的接收结构上,使得具有光学对准的光源,光调制器组件和支撑在其上的透镜的基座的附接允许来自光调制器组件的光被聚焦 到打印机的光学元件上。
    • 7. 发明授权
    • Dual format pre-objective scanner
    • 双格式预先目标扫描器
    • US5867298A
    • 1999-02-02
    • US771367
    • 1996-12-16
    • Michael E. HarriganBadhri NarayanDrew D. Summers
    • Michael E. HarriganBadhri NarayanDrew D. Summers
    • B41J2/47G02B5/09G02B26/12H04N1/04H04N1/113G02B26/08
    • G02B26/12B41J2/471G02B5/09H04N1/0402H04N1/1135
    • A dual format pre-objective scanner (10), for use in a laser printer, having an incident beam (22) from input optics (12) incident on a polygon tower (14) comprised of a first polygon (20) having a first diameter and first number of facets and a second polygon (30) having a second diameter and second number of facets, rotating about an axis (42) common to both first and second polygon. The polygon tower (14) is moved in a vertical direction so that the incident light is directed in a plane approximately perpendicular to the axis rotation of the first and second polygon, at either the first polygon (20) or the second polygon (30). The polygon tower (14) is also moved in a lateral direction approximately perpendicular to the axis (42) of rotation of the polygon tower (14). To change size and formats, the polygon tower (14) is moved simultaneously both vertically and laterally so that incident beams on the facets of the first polygon (20) become incident on the facets of the second polygon (30) at approximately the same distance from a scan lens (16).
    • 一种用于激光打印机的双格式预物镜扫描器(10),其具有入射在多边形塔(14)上的入射光束(22),入射光束(22)由多边形塔(14)组成,所述多边形塔(14)包括第一多边形 直径和第一数目的小平面以及具有第二直径和第二数量小面的第二多边形(30),围绕第一和第二多边形的共同轴线旋转。 多边形塔(14)沿垂直方向移动,使得入射光在与第一多边形(20)或第二多边形(30)的任一侧的大致垂直于第一和第二多边形的轴线旋转的平面中定向, 。 多边形塔架(14)也沿大致垂直于多边形塔架(14)的旋转轴线(42)的横向移动。 为了改变尺寸和格式,多边形塔(14)同时垂直和横向移动,使得第一多边形(20)的小面上的入射光束以大致相同的距离入射到第二多边形(30)的小平面上 从扫描透镜(16)。
    • 9. 发明授权
    • Media holder having communication capabilities
    • 媒体持有者具有通信能力
    • US07009494B2
    • 2006-03-07
    • US10718898
    • 2003-11-21
    • Roger S. KerrTimothy J. TredwellBadhri NarayanEric J. DonaldsonSarat K. Mohapatra
    • Roger S. KerrTimothy J. TredwellBadhri NarayanEric J. DonaldsonSarat K. Mohapatra
    • H04Q5/22
    • G08B13/2462G07C9/00071
    • A holder for holding at least one image bearing medium, with each at least one image bearing medium having a radio frequency transponder associated therewith, the holder having a holding body to receive and hold at least one image bearing medium an antenna and a radio frequency communication circuit operable to sense a first electromagnetic signal transmitted by the remote reader, generate a second electromagnetic signal in the holding body with the second electromagnetic signal adapted to cause the radio frequency transponders associated with said at least one medium held by the holding body to respond with electromagnetic signals that can be used to identify the mediums within the holding body, wherein the radio frequency communication circuit further transmits electromagnetic signals that can be used to identify the mediums within the holding body to the remote reader.
    • 用于保持至少一个图像承载介质的保持器,每个至少一个图像承载介质具有与其相关联的射频应答器,所述保持器具有保持体,用于接收和保持至少一个图像承载介质天线和射频通信 电路,其可操作以感测由所述远程读取器发送的第一电磁信号,在所述保持体中产生第二电磁信号,所述第二电磁信号适于使与所述至少一个由所述保持体保持的所述至少一个介质相关联的射频应答器响应于 可用于识别保持体内的介质的电磁信号,其中,射频通信电路进一步发送可用于将保持体内的介质识别到远程读取器的电磁信号。