WO2003104894A1 - Dispositif de pose numerique pour tireuse photographique couleur - Google Patents

Dispositif de pose numerique pour tireuse photographique couleur Download PDF

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Publication number
WO2003104894A1
WO2003104894A1 PCT/CN2002/000450 CN0200450W WO03104894A1 WO 2003104894 A1 WO2003104894 A1 WO 2003104894A1 CN 0200450 W CN0200450 W CN 0200450W WO 03104894 A1 WO03104894 A1 WO 03104894A1
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WO
WIPO (PCT)
Prior art keywords
color
digital
silicon
imaging chip
light source
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Application number
PCT/CN2002/000450
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English (en)
French (fr)
Inventor
Ruping Zhu
Zongshen Zhu
Yunxiang Chen
Aiping Yang
Yi Zhu
Original Assignee
Shanghai Liebold Technology Ltd. Co.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Shanghai Liebold Technology Ltd. Co. filed Critical Shanghai Liebold Technology Ltd. Co.
Priority to AU2002313164A priority Critical patent/AU2002313164A1/en
Publication of WO2003104894A1 publication Critical patent/WO2003104894A1/zh
Priority to US10/999,368 priority patent/US7359035B2/en

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/54—Lamp housings; Illuminating means
    • G03B27/545—Lamp housings; Illuminating means for enlargers
    • G03B27/547—Lamp housings; Illuminating means for enlargers colour mixing heads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]

Definitions

  • the invention relates to a digital exposure device for a color amplifier.
  • the traditional color printing equipment is: put the color negative film in the film holder, the light provided by the light source and the light mixing tube passes through the color negative film, the image of the color negative film passes through the magnifying objective lens and is imaged on the color photo paper. Due to the different color components on the color negative film, the color filter coupler is corrected to give different exposures to the color paper coupler, resulting in a latent image.
  • the automatic processing mechanism will print a certain number of photos and automatically send them to the processing system.
  • the mechanism and the developing chemical liquid in the developing chemical tank, the fixing chemical liquid in the fixing chemical tank, and the stable chemical liquid in the stabilizing chemical tank fully function to complete the process of development, fixing, and stabilization.
  • the photo is dried and automatically cropped to obtain a vivid color photo.
  • Digital amplifiers for color amplifiers replace color amplifiers.
  • the negative clip is fixed to the color amplifier in the same way as the negative clip, so that the color amplifier has two functions: film printing and digital printing.
  • the digital image is corrected and edited by a PC, displayed by a silicon microcrystalline imaging chip, and projected on a color photographic paper through a color expander to obtain digital color photos, which makes the original color expansion equipment more applicable.
  • the color amplifier digital exposure device includes: a printing lamp 11, a color filter 12, a mixing tube 13, an exposure member 14, and a shutter 15.
  • the exposure member 14 includes: a polarization beam splitter prism 141, a second objective lens 142, and a silicon-based microcrystal imaging device.
  • the light source 145 includes a halogen lamp 1451, a heat-insulating glass 1452, a color-reducing glass 1453, a light mixing tube 1454, a second color filter 1455, and a condenser 1456.
  • the printing lamp irradiates the light mixing tube through the heat-insulating glass and the color-reducing temperature glass to make the light uniform; the second color filter generates three colors of red, green, and blue, respectively; the condenser expands the light spot, so that the three-color light is uniformly irradiated to the polarization
  • the red, green, and blue three-color images generated by the silicon-based microcrystalline imaging chip are reflected by a polarizing spectroscopic prism.
  • the magnifying objective lens enlarges the image; the first, second, and third reflectors reflect the image and form the image at the negative position, which is the same size as the conventional 135 color film.
  • the magnifying objective enlarges the image, and finally a digital color photograph is synthesized on the color photo paper 16. Due to the digital exposure device of the color expander, the negative clip of the color expander is replaced by the digital exposure device, so that the position of the digital image displayed by the silicon-based microcrystalline imaging chip is equal to the color negative, and is treated as a color negative.
  • the image source of the color expander was expanded from original color negatives to digital images such as magnetic disks, optical discs, digital cameras, etc.
  • the other functions of the color expander were used to make the equipment used for film expansion and digital expansion at the same time.
  • the transition to digital trends is driving the development of digital imaging.
  • the optical axis of the second objective and the magnifying lens of the magnifying lens is not easy to adjust, and it is particularly difficult to adjust on-site at the color expanding store.
  • the second objective lens of the color amplifier digital exposure device and the objective lens group of the color amplifier magnifying lens have a large number of lenses. Due to the absorption of light by the lens and the reflector, the light energy emitted by the printing lamp is relatively large. The color amplifier digital exposure device The exposure time is increased, and the output speed of the exposure device is affected.
  • the object of the present invention is to provide a digital amplifier for digital amplifiers in order to overcome the shortcomings of digital printers for digital amplifiers. More conducive to mass production.
  • a color amplifier digital exposure device includes: a lamp, a color filter, a light mixing tube, an exposure component, and a shutter; and the feature is that the exposure component includes a polarization beam splitter prism, a condenser lens, and silicon.
  • the silicon-based microcrystalline imaging chip is located in the negative position of a conventional color amplifier, the top of the silicon-based microcrystalline imaging chip is a polarization beam splitting prism, and the outer side of the polarization beam splitting prism is close to the condenser lens The outside of the condenser lens is a light source, and the digital magnification objective lens is located above the polarization beam splitting prism; the optical axis of the silicon-based microcrystalline imaging chip, the polarization beam splitting prism, and the digital magnification objective lens and the optical axis of the printing lamp, color filter, and light mixing tube coincide.
  • the light source is a light source composed of light emitting diodes and is disposed outside the condenser lens.
  • the light source is composed of a second shutter, a condenser lens, a color-reducing glass, a three-color color wheel, a second light mixing tube, an ultraviolet-proof glass, a heat-insulating glass, and a plain lamp. It is arranged outside the condenser, and its optical axis perpendicularly intersects with the optical axis composed of a silicon-based microcrystalline imaging chip, a polarization beam splitting prism, a digital magnifying objective, a lamp, a color filter, and a light mixing tube.
  • the volume of the second light mixing tube is smaller than the volume of the light mixing tube.
  • FIG. 1 is a schematic structural diagram of an exposure device of a color enlarger of the prior art.
  • FIG. 2 is a schematic structural diagram of a first embodiment of an exposure device of a color expander according to the present invention.
  • FIG. 3 is a schematic structural diagram of a second embodiment of an exposure apparatus of a color expander according to the present invention.
  • Color exposure amplifier digital exposure device including: printing lamp 21, color filter 22, light mixing tube 23, exposure component 24, shutter 25; the exposure component 4 includes a polarization beam splitter prism 241, a condenser lens 242, and a silicon-based microcrystalline imaging chip 243, a digital magnifying objective lens 244 and a light source 245; the silicon-based microcrystalline imaging chip 243 is in the negative position of a conventional color amplifier, and is connected to the computer 28 through the serial port of the control board 27. Above the silicon-based microcrystalline imaging chip 243 is a polarization beam splitting prism 241, the outside of the polarization beam splitting prism 241 is closely attached to the condenser lens 242, and the light source 245 is outside the condenser lens 242.
  • the light source 245 of the present invention is composed of three red, green, and blue LED light emitting diodes interlaced, and can emit three colors of red, green, and blue, respectively, and is disposed outside the condenser 242.
  • the digital magnification objective lens 244 is located above the polarization beam splitting prism 241; the optical axis of the three silicon-based microcrystalline imaging chip 243, the polarization beam splitting prism 241, and the digital magnification objective lens 244 and the light of the lamp 21, the color filter 22, and the light mixing tube 23 The axes coincide.
  • the LED light source lights up the LED red light emitting diode at the same time; when the image is exposed, the LED red light emitting diode is turned off. The same is true for images with green and blue pigments. In this way, it can replace the role of halogen lamps, three-color color wheel, and shutter in the entire exposure device.
  • the advantage of using the LED light source is that it can avoid the misoperation of the shutter and the three-color color wheel in mechanical movement, so that the exposed image is stable and the image quality is reliable.
  • the exposure device of the color amplifying machine of the present invention includes: a printing lamp 31, a color filter 32, a light mixing tube 33, an exposure member 34, and a shutter 35;
  • the exposure member 34 includes a polarization beam splitter prism 341, a condenser lens 342, Silicon-based microcrystalline imaging chip 343, digital magnifying objective lens 344, and light source 345;
  • the silicon-based microcrystalline imaging chip 343 is in the negative position of a conventional color amplifier, and it communicates with the computer 38 through the serial port of the control board 37 connection.
  • the silicon-based microcrystalline imaging chip 343 is a polarizing beam splitter prism 341, the outer side of the polarizing beam splitter prism 341 is closely attached to the condenser lens 342, and the outer side of the condenser lens 342 is a light source 345.
  • the light source 345 is composed of a second shutter 3451, a condenser lens 3452, a color reduction glass 3453, a three-color color wheel 3454, a second light mixing tube 3455, an ultraviolet-proof glass 3456, a heat-insulating glass 3457, and a halogen lamp 3458, which are arranged in order.
  • the condenser On the outside of the condenser, its optical axis perpendicularly intersects with the optical axis composed of the silicon-based microcrystalline imaging chip 343, the polarization beam splitting prism 341, the digital magnifying objective lens 344, the lamp 31, the color filter 32, and the light mixing tube 33.
  • the working principle of this embodiment is as follows: a color-reducing glass is added to an independent light source combination, so that the color temperature of the light source is more suitable for imaging a silicon-based microcrystalline imaging chip on a color photographic paper 39.
  • the size of the light mixing tube is smaller than that of color expansion equipment, which can greatly reduce the area of the color filter, reduce the inertia of the start and stop of the color filter, and make the light source more uniform.
  • the red, green, and blue primary color filters Using the additive color imaging principle, make the photo image more vivid.
  • the size of the light mixing tube is small and the transmitted light spot is small, a condenser is added to the system to expand the light spot to the area required for the silicon-based microcrystalline imaging chip to illuminate, so that the light source energy is fully utilized.
  • the second shutter controls the exposure time and prevents stray light.
  • the second light source is reflected by the 45-degree bevel of the polarization beam splitter prism and becomes polarized light, which is irradiated onto the silicon-based microcrystalline imaging chip.
  • the microcrystals in the image portion of the silicon-based microcrystalline imaging chip are subjected to voltage and become parallel to the silicon-based microcrystalline.
  • the S-polarized light enters the plane of the silicon-based microcrystalline imaging chip vertically, and the microcrystals parallel to the plane reflect the S-polarized light vertically to become P-polarized light, and the P-polarized light enters the polarization beam splitting prism, Detected by a polarization beam splitting prism, the light reflected by the microcrystals parallel to the plane of the silicon-based microcrystalline imaging chip is transmitted through the prism, and the light reflected by the irregular crystal is cut off due to different polarization directions, thereby obtaining a high-definition picture
  • the high-contrast image is imaged by an objective lens.
  • the objective lens exposes the silicon-based microcrystalline imaging chip image on color photographic paper. Since the silicon-based microcrystalline imaging chip is a monochrome device, the present invention is exposed three times by red, green, and blue. Can get an exposure digital photo.
  • the present invention adopts the above structure, the first, second, and third reflectors and the second objective lens of the original digital exposure device are eliminated, which greatly simplifies the entire structure, increases effective light energy, and improves assembly processability.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Projection-Type Copiers In General (AREA)
  • Liquid Crystal (AREA)

Description

彩扩机数码曝光装置 技术领域
本发明涉及彩扩机数码曝光装置。
背景技术
传统的彩色扩印设备是： 将彩色负片放入片夹， 由光源及混光筒提供的 光线透过彩色负片， 彩色负片的图像经过放大物镜， 成像于彩色相纸。 由于 彩色负片上的颜色成分不同， 经滤色片的校正， 使彩色相纸成色剂得到不同 的曝光量， 产生一幅幅潜影， 自动冲洗机构将扩印到一定数量的照片， 自动 送入冲洗机构与显影药槽内的显影药液、 定影药槽内的定影药液、 稳定药槽 内的稳定药液充分作用、 完成显影、 定影、 稳定的工艺。 照片经烘干、 自动 裁切得到一幅鲜艳的彩色照片。
上述由彩色负片扩印照片的工艺过程， 已有较长的历史。 在我国有数万 台的此类设备分布在城市乡村， 近年来随着数字技术的发展， 用彩色胶卷摄 影的方式， 由于其自身的成本高、 不能即时观看拍摄效果等缺点， 正逐渐被 数码照相所代替。
已有的彩扩机数码曝光装置， 如图一， 彩扩机数码曝光装置替换彩扩机. 的负片夹， 与负片夹同样的固定方式固定在彩扩机上， 使彩扩机具有胶片扩 印和数码扩印两种功能， 数字图像经 PC机的修正、 编辑， 通过硅微晶成像芯 片显示， 并经彩扩机投影到彩色相纸上曝光， 获得数码彩色照片， 使原有彩 扩设备适用性更强。
该彩扩机数码曝光装置， 包括： 印灯 11、 滤色片 12、 混光筒 13、 曝光部 件 14、 快门 15 ; 曝光部件 14包括： 偏振分光棱镜 141、 第二物镜 142、 硅基微 晶成像芯片 143、 放大物镜 144、 光源 145、 第一反光镜 146、 第二反光镜 147、 第三反光镜 148、 第二快门 149。 光源 145包括： 卤素灯 1451、 隔热玻璃 1452、 降色温玻璃 1453、 混光筒 1454、 第二滤色片 1455、 聚光镜 1456。 印灯将光通 过隔热玻璃、 降色温玻璃照射到混光筒， 使光均匀； 通过第二滤色片分别产 生红、 绿、 兰三色光； 聚光镜将光斑扩大， 使三色光均匀照射在偏振分光棱 镜上； 通过偏振分光棱镜将硅基微晶成像芯片产生的红、 绿、 兰三色图像反 射出， 放大物镜将图像放大； 第一、 第二、 第三反射镜将图像反射， 成像于 负片位置， 大小与传统的 135彩色胶卷相同。 放大物镜将该图像放大， 最后在 彩色相纸 16上合成数码彩色照片。 由于该彩扩机数码曝光装置， 用数码曝光 装置替代彩扩机的负片夹， 使硅基微晶成像芯片显示的数字图像的位置与彩 色负片等距， 视同于一张彩色负片， 利用这一原理， 使彩扩机的影像来源由 原来只能是彩色负片， 扩大到磁盘、 光碟、 数码相机等的数码影像， 利用彩 扩机的其他功能， 使该设备同时使用于胶卷扩印和数码扩印， 顺应胶卷逐步 过渡到数码的潮流， 推动数码影像的发展。 但该设备由于反光镜太多， 第二 物境与彩扩机放大物镜的光轴不易调整， 特别到彩扩店现场调整较为困难。 并且该彩扩机数码曝光装置的第二物镜和彩扩机放大物镜组成的物镜组镜片 较多， 由于镜片和反光镜对光的吸收， 印灯发出的光能量损失较大， 该彩扩 机数码曝光装置的曝光时间增大， 曝光装置的出片速度受到影响。
发明内容
本发明的目的是为了克服现有彩扩机数码曝光装置的缺点而提供的一种 彩扩机数码曝光装置， 提高了原来彩扩机数码曝光装置的光能量， 提高了工 艺性， 使彩扩机数码曝光装置更有利于量产。
本发明的目的是这样实现的： 彩扩机数码曝光装置， 包括： 印灯、 滤色 片、 混光筒、 曝光部件、 快门； 其特点是， 所述的曝光部件包括偏振分光棱 镜、 聚光镜、 硅基微晶成像芯片、 数码放大物镜和光源； 所述的硅基微晶成 像芯片处于传统彩扩机的负片位置， 硅基微晶成像芯片的上面是偏振分光棱 镜， 偏振分光棱镜的外侧紧贴聚光镜， 聚光镜的外侧是光源， 数码放大物镜 位于偏振分光棱镜的上方； 硅基微晶成像芯片、 偏振分光棱镜、 数码放大物 镜三者的光轴与印灯、 滤色片、 混光筒的光轴重合。
上述彩扩机数码曝光装置， 其中， 所述的光源是由发光二极管组成的光 源， 设在聚光镜外侧。
上述彩扩机数码曝光装置， 其中， 所述的光源由第二快门、 聚光镜、 降 色温玻璃、 三色色轮、 第二混光筒、 防紫外玻璃、 隔热玻璃、 以及 ¾素灯构 成， 并顺序排列在聚光镜外侧， 其光轴与由硅基微晶成像芯片、 偏振分光棱 镜、 数码放大物镜、 印灯、 滤色片、 混光筒组成的光轴垂直相交。 上述彩扩机数码曝光装置， 其中， 所述的第二混光筒体积小于混光筒的 体积。
附图概述
本发明的具体结构由下列的实施例及其附图进一步给出。
图一是已有技术的彩扩机曝光装置结构示意图。
图二是本发明彩扩机曝光装置第一实施例的结构示意图。
图三是本发明彩扩机曝光装置第二实施例的结构示意图。
本发明的最佳实施方式
请参阅图 2。 彩扩机数码曝光装置， 包括： 印灯 21、 滤色片 22、 混光筒 23、 曝光部件 24、 快门 25 ; 所述的曝光部件 4包括偏振分光棱镜 241、 聚光镜 242、 硅基微晶成像芯片 243、 数码放大物镜 244和光源 245 ; 硅基微晶成像芯 片 243处于传统彩扩机的负片位置， 其通过控制板 27的串口与计算机 28连接。 硅基微晶成像芯片 243的上方是偏振分光棱镜 241， 偏振分光棱镜 241的外侧紧 贴聚光镜 242， 聚光镜 242的外侧是光源 245。 本发明光源 245是由红、 绿、 蓝 三种 LED发光二极管交织组成， 它可分别发出红、 绿、 蓝三色光， 设在聚光镜 242的外侧。 数码放大物镜 244位于偏振分光棱镜 241的上方； 硅基微晶成像芯 片 243、 偏振分光棱镜 241、 数码放大物镜 244三者的光轴与印灯 21、 滤色片 22、 混光筒 23的光轴重合。
所有的零部件都通过与其对应设置的固定座固定在机壳内。
本发明工作时： 当硅基微晶成像芯片显示一幅红色色素的图像时， LED光 源同时点亮 LED红色发光二极管； 当这幅图像曝光结束时， LED红色发光二极 管熄灭了。 同样， 绿色、 蓝色色素的图像亦是如此。 这样， 就可替代卤素 灯、 三色色轮、 快门在整套曝光装置里的作用。
釆用 LED光源的优点在于， 它可以避免快门、 三色色轮在机械运动中的误 操作， 使得曝光图像稳定、 画质可靠。
请参阅图 3, 本发明彩扩机曝光装置， 包括： 印灯 31、 滤色片 32、 混光筒 33、 曝光部件 34、 快门 35 ; 所述的曝光部件 34包括偏振分光棱镜 341、 聚光镜 342、 硅基微晶成像芯片 343、 数码放大物镜 344和光源 345 ; 所述的硅基微晶 成像芯片 343处于传统彩扩机的负片位置， 其通过控制板 37的串口与计算机 38 连接。 硅基微晶成像芯片 343的上方是偏振分光棱镜 341， 偏振分光棱镜 341的 外侧紧贴聚光镜 342， 聚光镜 342的外侧是光源 345。 所述的光源 345由第二快 门 3451、 聚光镜 3452、 降色温玻璃 3453、 三色色轮 3454、 第二混光筒 3455、 防紫外玻璃 3456、 隔热玻璃 3457、 以及卤素灯 3458构成， 并顺序排列在聚光 镜外侧， 其光轴与由硅基微晶成像芯片 343、 偏振分光棱镜 341、 数码放大物 镜 344、 印灯 31、 滤色片 32、 混光筒 33组成的光轴垂直相交。
所有的零部件都通过与其对应设置的固定座固定在机壳内。
该实施例的工作原理是： 独立的光源组合加入了降色温玻璃， 使光源色温 更适用于硅基微晶成像芯片图像在彩色相纸 39上成像。 混光筒尺寸小于彩扩 设备的混光筒， 使滤色片面积可大大缩小， 减小了滤色片启动、 停止的惯 量， 并使光源更加均勾， 红、 绿、 兰三原色的滤色片， 利用加色法成像原 理， 使照片图像更鲜艳。 由于混光筒尺寸小， 透射光斑小， 系统加入了聚光 镜， 将光斑扩大硅基微晶成像芯片照射所需面积， 使光源能量充分利用。 第 二快门起控制曝光时间、 防止杂光的作用。
第二光源经偏振分光棱镜的 45度斜面反射， 成为了偏振光， 照射到硅基微 晶成像芯片上， 硅基微晶成像芯片图像部分的微晶体受电压作用， 成为平行 与硅基微晶成像芯片平面的规则晶体， S偏振光垂直进入硅基微晶成像芯片平 面， 平行与平面的微晶体， 将 S偏振光垂直反射出， 成为 P偏振光， P偏振光进 入偏振分光棱镜， 经偏振分光棱镜检偏， 使平行与硅基微晶成像芯片平面的 微晶体反射的光线透过棱镜， 而无规则的晶体反射光线由于偏振方向不同， 被截止， 从而得到一幅高清晰度、 高对比的图像， 由物镜成像， 物镜将硅基 微晶成像芯片图像在彩色相纸上曝光， 由于硅基微晶成像芯片是单色器件， 因此本发明经红、 绿、 兰三次曝光， 能得到一幅曝光数码照片。
工业应用性
由于本发明采用了以上结构， 去掉了原数码曝光装置的第一、 第二、 第 三反光镜， 第二物镜， 使整个结构大大简化， 有效光能增加， 装配工艺性提 高。

Claims

权 利 要 求
1、 彩扩机数码曝光装置， 包括： 印灯、 滤色片、 混光筒、 曝光部件、 快 门； 其特征在于， 所述的曝光部件包括偏振分光棱镜、 聚光镜、 硅基微晶成 像芯片、 数码放大物镜和光源； 所述的硅基微晶成像芯片处于传统彩扩机的 负片位置， 硅基微晶成像芯片的上面是偏振分光棱镜， 偏振分光棱镜的外侧 紧贴聚光镜， 聚光镜的外侧是光源， 数码放大物镜位于偏振分光棱镜的上 方； 硅基微晶成像芯片、 偏振分光棱镜、 数码放大物镜三者的光轴与印灯、 滤色片、 混光筒的光轴重合。
2、 根据权利要求 1所述的彩扩机数码曝光装置， 其特征在于， 所述的光源是 由发光二极管组成的光源， 设聚光镜外侧。
3、 根据权利要求 1所述的彩扩机数码曝光装置， 其特征在于， 所述的光源由 第二快门、 聚光镜、 降色温玻璃、 三色色轮、 第二混光筒、 防紫外玻璃、 隔 热玻璃、 以及卤素灯构成， 并顺序排列在聚光镜外侧， 其光轴与由硅基微晶 成像芯片、 偏振分光棱镜、 数码放大物镜、 印灯、 滤色片、 混光筒组成的光 轴垂直相交。
4、 根据权利要求 3所述的彩扩机数码曝光装置， 其特征在于， 所述的第二混 光筒体积小于混光筒的体积。
PCT/CN2002/000450 2002-06-05 2002-06-28 Dispositif de pose numerique pour tireuse photographique couleur WO2003104894A1 (fr)

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AU2002313164A AU2002313164A1 (en) 2002-06-05 2002-06-28 A digital exposure apparatus for a color enlarging photoprinter
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CN02217941U CN2546916Y (zh) 2002-06-05 2002-06-05 彩扩机数码曝光装置
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US20050157277A1 (en) 2005-07-21

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