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1. 发明授权

US10418779B2 Laser driving control apparatus, drying apparatus, image forming apparatus, computer readable medium storing laser driving control program, and computer readable medium storing drying program 有权
公开(公告)号：US10418779B2
公开(公告)日：2019-09-17
申请号：US15964312
申请日：2018-04-27
申请人： FUJI XEROX CO., LTD.
发明人： Chikaho Ikeda , Shigeyuki Sakaki , Akira Sakamoto
IPC分类号： H01S5/042 , B41J11/00
摘要： A laser driving control apparatus includes: a driver that constant-voltage drives a laser light source that radiates laser light by supplying a pulse signal in which a plurality of pulses, each pulse width thereof being changeable, is generated at a predetermined cycle; and a controller that performs control to change the pulse width of each of the plurality of pulses so that a first change amount of the pulse width when a present-time pulse width is changed to a preceding pulse width prior to reaching a pulse width at which a target light quantity is obtained stably is larger than a second change amount of the pulse width when the present-time pulse width is changed to a target pulse width corresponding to a driving current at an ON time of the laser light source in a steady state in which the target light quantity is obtained stably.

2. 发明授权

US09987861B2 Drying device, computer readable medium storing drying program, drying method and image forming apparatus 有权
公开(公告)号：US09987861B2
公开(公告)日：2018-06-05
申请号：US15351501
申请日：2016-11-15
申请人： FUJI XEROX CO., LTD.
发明人： Chikaho Ikeda , Jun Isozaki , Yukari Motosugi , Akira Sakamoto
IPC分类号： B41J11/00 , B41M5/00
CPC分类号： B41J11/002 , B41M5/0017 , B41M7/0081 , B41M7/009
摘要： A drying device includes: a plurality of laser elements that emit laser beams with controllable intensity and respectively emit the laser beams such that the emitted laser beams partially overlap one another; and a controller that controls the intensity of the laser beams emitted from the plurality of laser elements so as to obtain intensity corresponding to drying intensity set as intensity for drying liquid droplets in a case where at least a part of an image region formed by the liquid droplets ejected in accordance with image information is included in an irradiation region of the laser beams emitted from the plurality of laser elements.

3. 发明授权

US09873265B2 Irradiation device and image forming apparatus 有权
公开(公告)号：US09873265B2
公开(公告)日：2018-01-23
申请号：US15346811
申请日：2016-11-09
申请人： FUJI XEROX CO., LTD.
发明人： Takehiro Niitsu , Jun Isozaki , Hiroyuki Tsukuni , Akira Sakamoto
IPC分类号： B41J29/12 , B41J11/00 , B41M7/00
CPC分类号： B41J11/002 , B41J29/12 , B41M7/00
摘要： An irradiation device includes: an irradiation unit that irradiates a target with light; at least one component that is arranged in an advancing direction of light reflected by the target; and a light blocking unit that is arranged between the target and the at least one component in the advancing direction and blocks the reflected light.

4. 发明申请

US20180001668A1 DROPLET EJECTION DEVICE 有权
公开(公告)号：US20180001668A1
公开(公告)日：2018-01-04
申请号：US15368819
申请日：2016-12-05
申请人： FUJI XEROX CO., LTD.
发明人： Jun Isozaki , Akira Sakamoto , Takehiro Niitsu , Hiroyuki Tsukuni , Yukari Motosugi
IPC分类号： B41J11/00
CPC分类号： B41J11/002 , B41J29/377
摘要： A droplet ejection device includes: a droplet ejection head that ejects a droplet to a recording medium; an irradiating portion that evaporates moisture of the droplet landed on the recording medium by irradiating the recording medium with infrared laser beam; and a light shielding member that includes an upper light shielding member provided on a perimeter of the irradiating portion and a lower light shielding member provided on a position facing the irradiating portion and the upper light shielding portion while placing the recording medium therebetween, in which the upper light shielding portion and the lower light shielding portion are in contact with each other at an outside of the recording medium in the width direction so that the light shielding member shields the infrared laser beam at least in the width direction of the recording medium.

5. 发明申请

US20180001666A1 DROPLETS DRYING DEVICE AND IMAGE FORMING APPARATUS 有权
公开(公告)号：US20180001666A1
公开(公告)日：2018-01-04
申请号：US15338533
申请日：2016-10-31
申请人： FUJI XEROX CO., LTD.
发明人： Takeshi Zengo , Akira Sakamoto , Toshinobu Hamazaki , Jun Isozaki , Hiroyuki Tsukuni
IPC分类号： B41J11/00 , B41M5/00
CPC分类号： B41J11/002 , B41J29/17 , B41M5/0011
摘要： A droplets drying device includes: a drying mechanism having a plurality of light sources that are arranged in a width direction of a recording medium, and dry droplets ejected onto the recording medium by emitting light toward the droplets; a moving mechanism that moves the drying mechanism in the width direction; a light shield member that is opposed to at least part of the drying mechanism being moved by the moving mechanism, and interrupts light emitted from the light sources disposed in the part, opposed to the light shield member, of the drying mechanism; and a measuring member that is disposed in a light shield region where the light shield member interrupts incoming light, and receives light emitted from each of the light sources and measures a light quantity of the light source as the measuring member is moved relative to the drying mechanism in the width direction.

6. 发明授权

US09340042B1 Drying device, printing apparatus and computer readable medium 有权
标题翻译：干燥装置，打印装置和计算机可读介质
公开(公告)号：US09340042B1
公开(公告)日：2016-05-17
申请号：US14683216
申请日：2015-04-10
申请人： FUJI XEROX CO., LTD.
发明人： Takeshi Zengo , Takuma Ishihara , Akira Sakamoto , Yukari Motosugi , Jun Isozaki
IPC分类号： B41J2/01 , B41J11/00
CPC分类号： B41J11/002
摘要： A drying device includes: an irradiation unit that irradiates, with laser light, a printing medium onto which ink droplets have been ejected from a droplets ejecting unit; and a control unit that controls the irradiation unit so that a temperature of ink on the printing medium becomes an ink target temperature that is determined using a thermal deformation temperature of the printing medium as a reference in case the thermal deformation temperature of the printing medium is lower than or equal to an ink drying temperature, and becomes an ink target temperature that is determined using the ink drying temperature as a reference in case the thermal deformation temperature of the printing medium is higher than the ink drying temperature.
摘要翻译：干燥装置包括：照射单元，其用激光照射从液滴喷射单元喷射了墨滴的打印介质; 以及控制单元，其控制所述照射单元，使得所述打印介质上的墨水的温度变为使用所述打印介质的热变形温度作为基准确定的墨水目标温度，其中所述打印介质的热变形温度为低于或等于油墨干燥温度，并且成为在打印介质的热变形温度高于油墨干燥温度的情况下以油墨干燥温度为基准确定的油墨目标温度。

7. 发明申请

US20160059583A1 DRYING DEVICE AND IMAGE FORMING APPARATUS 有权
标题翻译：干燥装置和图像形成装置
公开(公告)号：US20160059583A1
公开(公告)日：2016-03-03
申请号：US14605060
申请日：2015-01-26
申请人： FUJI XEROX CO., LTD.
发明人： Takehiro Niitsu , Jun Isozaki , Yasuhiro Ogasawara , Hiroyuki Tsukuni , Akira Sakamoto , Naoki Morita
IPC分类号： B41J11/00
CPC分类号： B41J11/002 , H01L23/5286 , H01L23/5386 , H01L2224/48091 , H01L2224/73265 , H01S5/183 , H01S5/423 , H01L2924/00014
摘要： There is provided a drying device including a plurality of surface-emitting laser elements each having a plurality of laser elements and arranged along a feeding direction of a recording medium. First power supplying pads are respectively provided at both ends of an electrode on a laser illumination surface of each surface-emitting laser element in a width direction of the recording medium and a second power supplying pad is provided at one end of the electrode on a backside of each surface-emitting laser element in the feeding direction. The respective lust power supplying pads of the surface-emitting laser element arranged at an upstream-side in the feeding direction and the second power supplying pad of the surface-emitting laser element arranged at a downstream-side in the feeding direction are connected to each other by wires.
摘要翻译：提供了一种干燥装置，其包括多个表面发射激光元件，每个表面发射激光元件具有多个激光元件并且沿着记录介质的馈送方向布置。第一供电焊盘分别设置在记录介质的宽度方向上的每个表面发射激光元件的激光照射表面上的电极的两端，并且在背面的一端设置第二供电焊盘每个表面发射激光元件在馈送方向上。布置在馈送方向上游侧的表面发射激光器元件的各个欲光供电焊盘和布置在馈送方向下游侧的表面发射激光器元件的第二供电焊盘连接到每个其他电线。

8. 发明授权

US09186916B1 Drying device, image forming apparatus, and computer readable medium storing program 有权
标题翻译：干燥装置，图像形成装置和计算机可读介质存储程序
公开(公告)号：US09186916B1
公开(公告)日：2015-11-17
申请号：US14690626
申请日：2015-04-20
申请人： FUJI XEROX CO., LTD.
发明人： Takuma Ishihara , Yukari Motosugi , Takeshi Zengo , Jun Isozaki , Akira Sakamoto
IPC分类号： B41J2/01 , B41J11/00 , B41M7/00
CPC分类号： B41J11/002 , B41M7/0045 , B41M7/0054 , B41M7/0081 , B41M7/009
摘要： A drying device includes: a drying unit in which a plurality of laser light sources are arranged two-dimensionally and that dries ink placed on a recording medium by ejecting ink droplets from an ejecting unit by irradiating the ink with laser light; a measuring unit that measures a temperature characteristic, in a conveying direction of the recording medium, of the ink placed on the recording medium; a generation unit that generates, based on the temperature characteristic, a laser light irradiation profile with which the ink temperature will be raised by irradiation with laser light to become higher than or equal to a flex temperature at which the ink temperature starts to flex and then kept in a range being higher than or equal to the flex temperature and lower than a boiling temperature or the ink; and a control unit that controls the drying unit using the irradiation profile.
摘要翻译：干燥装置包括：干燥单元，其中多个激光源被二维布置，并且通过用激光照射墨水从喷射单元喷射墨滴来干燥放置在记录介质上的墨; 测量单元，其测量在记录介质上放置的油墨在记录介质的输送方向上的温度特性; 产生单元，其基于温度特性产生激光照射分布，通过用激光照射墨水温度将升高到高于或等于油墨温度开始弯曲的柔性温度，然后保持在高于或等于柔性温度并低于沸点温度或油墨的范围内; 以及控制单元，其使用照射轮廓来控制干燥单元。

9. 发明申请

US20190308422A1 DRYING DEVICE, NON-TRANSITORY COMPUTER READABLE MEDIUM FOR DRYING AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20190308422A1
公开(公告)日：2019-10-10
申请号：US16149217
申请日：2018-10-02
申请人： FUJI XEROX CO., LTD.
发明人： Shigeyuki Sakaki , Chikaho Ikeda , Akira Sakamoto
IPC分类号： B41J11/00
摘要： There is provided a drying device. Laser elements control energies of laser beams to be radiated, and radiates laser beams onto predetermined regions of an image, respectively, A controller controls average irradiation energy of laser beams by calculating printing rates for plural types of divided patterns with respect to the regions of the image, and calculating energy required to dry, for each divided pattern, based on the printing rates calculated for individual divided patterns, and selecting energy to be adopted according to a purpose, from the energy calculated for the individual divided patterns.

10. 发明授权

US09895905B2 Droplet ejection apparatus 有权
公开(公告)号：US09895905B2
公开(公告)日：2018-02-20
申请号：US15333252
申请日：2016-10-25
申请人： FUJI XEROX CO., LTD.
发明人： Jun Isozaki , Akira Sakamoto , Hiroyuki Tsukuni , Tomozumi Uesaka
IPC分类号： B41J2/01 , B41J11/00 , B41J29/377
CPC分类号： B41J11/002 , B41J2/01 , B41J29/377
摘要： A droplet ejection apparatus includes: a droplet ejection head; an irradiation part that irradiates a recording medium with infrared laser light for evaporating a water content of a droplet landed on the recording medium; a supply part that includes a rectifying part disposed along a conveyance direction of the recording medium and causes the rectifying part to supply, above the recording medium, air flowing toward a downstream side in the conveyance direction of the recording medium; and a vent part that vents at least a part of air flown above the recording medium toward the downstream side in the conveyance direction of the recording medium.

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