公开(公告)号：EP1353237B1

公开(公告)日：2014-03-12

申请号：EP03008361.2

申请日：2003-04-10

申请人： CANON KABUSHIKI KAISHA

发明人： Maruyama, Shoji ,  Akita, Masanori

IPC分类号： G03G15/00

CPC分类号： G03G15/5029 ,  G03G2215/00616 ,  G03G2215/00751

公开(公告)号：EP2393278A1

公开(公告)日：2011-12-07

申请号：EP11178822.0

申请日：2010-05-05

申请人： CANON KABUSHIKI KAISHA

发明人： ISHIDA, Tsutomu ,  EBIHARA, Shunichi ,  MATSUI, Norio ,  KOYAMA, Shoichi

IPC分类号： H04N5/225 ,  B41J11/00 ,  G03G15/00 ,  G06F3/12 ,  H04N1/00

CPC分类号： B41J2/47 ,  B41J11/009 ,  G03G15/5029 ,  G03G2215/00616 ,  G03G2215/00751 ,  H04N5/2256

摘要： An effective image area can be properly corrected in accordance with the quantity of light from an irradiation unit (41) by selecting, as the effective image area, pixels having light quantities more than or equal to a threshold value that allows accurate acquisition of a surface image of a recording medium (P), on the basis of a light quantity distribution of the light from the irradiation unit (41). This reduces the influence of mounting accuracy of the irradiation unit (41), and allows the recording medium (P) to be identified accurately.

摘要翻译： 通过选择具有大于或等于阈值的光量的像素作为有效图像区域，可以根据来自照射单元（41）的光量适当地校正有效图像区域，所述阈值允许精确地获取表面 基于来自照射单元（41）的光的光量分布，记录介质（P）的图像。 这减少了照射单元（41）的安装精度的影响，并且允许准确地识别记录介质（P）。

公开(公告)号：EP1870358A1

公开(公告)日：2007-12-26

申请号：EP07109745.5

申请日：2007-06-06

申请人： Ricoh Company, Ltd.

发明人： Tsuchiya, Kiyomi ,  Furuya, Nobuyuki ,  Sano, Yoshihiko ,  Muneyasu, Takayuki ,  Uchida, Takeshi

IPC分类号： B65H9/06 ,  B65H9/16 ,  G03G15/00

CPC分类号： B65H9/16 ,  B65H9/004 ,  B65H9/06 ,  B65H9/20 ,  B65H2801/09 ,  G03G15/6564 ,  G03G15/6567 ,  G03G2215/00561 ,  G03G2215/00616 ,  G03G2215/00721

摘要： A paper conveying apparatus (50) includes a gate member (13), resist rollers (14), a detector (16), and a moving member (19). The gate member (13) closes a paper conveyance path to position a leading edge of paper (8). The resist rollers (14) are provided near the gate member on an upstream. side in a paper conveyance direction and timely convey the paper downstream of the gate member in the paper conveyance direction. The detector (16) is provided near the gate member on a downstream side in the paper conveyance direction and detects misalignment at an edge portion of the paper in a paper width direction perpendicular to the paper conveyance direction. The moving member (19) moves the resist rollers in the paper width direction by changing a drive mode and a relation speed of a motor (33) according to a paper misalignment amount (d) detected by the detector. The motor causes the resist rollers to move.

摘要翻译： 纸张传送装置（50）包括门构件（13），阻挡辊（14），检测器（16）和移动构件（19）。 门构件（13）封闭纸张传送路径以定位纸张的前缘（8）。 阻挡辊（14）设置在上游侧的门构件附近。 在纸张传送方向上并且在纸张输送方向上及时地将纸张下游输送到门部件。 检测器（16）在纸传送方向的下游侧设置在门构件附近，并且检测纸沿着与纸传送方向垂直的纸张宽度方向上的边缘部分处的未对准。 通过根据由检测器检测到的纸张不对准量（d）改变驱动模式和电动机（33）的关系速度，移动构件（19）沿纸宽度方向移动阻挡辊。 电机使阻力辊移动。

公开(公告)号：EP0911699B1

公开(公告)日：2005-02-02

申请号：EP98118426.0

申请日：1998-09-29

申请人： Hewlett-Packard Company, A Delaware Corporation

发明人： Guillory, Douglas M. ,  Lloyd, Michael B. ,  Lawton, Robert J.

IPC分类号： G03G15/00 ,  B41J29/00 ,  G06K15/12 ,  B41J11/00

CPC分类号： G03G15/5029 ,  B41J11/009 ,  B41J29/46 ,  G01N21/57 ,  G03G2215/00616

公开(公告)号：EP1081558A1

公开(公告)日：2001-03-07

申请号：EP00118142.9

申请日：2000-08-29

申请人： Ricoh Company, Ltd.

发明人： Sato, Toshiya

IPC分类号： G03G15/00

CPC分类号： G03G15/5062 ,  G03G2215/00067 ,  G03G2215/00611 ,  G03G2215/00616 ,  G03G2221/18

摘要： An image forming apparatus of the present invention includes an apparatus body to which a conveying unit is removably mounted. A belt is used to convey a paper sheet. A sensor includes a light emitting portion for emitting light toward the belt and a photosensitive portion to which the light from the belt is incident. One of the light emitting portion and photosensitive portion is mounted on the conveying unit while the other is mounted on the apparatus body. A positioning device causes, in interlocked relation to the mounting operation of the conveying unit to the apparatus body, the optical portion mounted on the apparatus body to move in accordance with the position and/or the configuration of the conveying unit and be positioned relative to the belt. Therefore, only the conveying unit and optical portion should be positioned relative to each other.

摘要翻译： 本发明的图像形成设备包括设备主体，传送单元可拆卸地安装到设备主体。 皮带用于输送纸张。 传感器包括用于向带发射光的发光部分和来自带的光入射到其上的感光部分。 发光部分和感光部分中的一个安装在输送单元上，而另一个安装在设备主体上。 定位装置以与输送单元到装置本体的安装操作联动的关系使安装在装置本体上的光学部分根据输送单元的位置和/或构造移动，并相对于 皮带。 因此，只有传送单元和光学部分应该相对于彼此定位。

公开(公告)号：EP0763784A3

公开(公告)日：1997-06-04

申请号：EP96306667.5

申请日：1996-09-13

申请人： SEIKO EPSON CORPORATION

发明人： Yamaguchi, Naoto ,  Ishida, Hiroshi ,  Kumazaki, Masayuki ,  Yamaguchi, Kazuhiko ,  Uchiyama, Yukihiro

IPC分类号： G03G15/00

CPC分类号： G03G15/65 ,  B65H7/14 ,  B65H2511/514 ,  B65H2513/41 ,  B65H2513/50 ,  B65H2513/514 ,  B65H2515/60 ,  B65H2515/702 ,  B65H2553/414 ,  B65H2557/23 ,  B65H2557/24 ,  B65H2701/1311 ,  B65H2701/1313 ,  G03G2215/00616 ,  G03G2215/00721 ,  B65H2220/03 ,  B65H2220/02 ,  B65H2220/01

摘要： A sheet end detector 10, made from a light-emitting element 11 and a light-receiving element 12, detecting changes in the amount of light associated with movement of a recording paper; a standard value calculation means 24, detecting an amount of difference (Vm - Vp) between said sheet end detector 10 platen voltage Vp resulting from light reflected from a sheet guide and said sheet end detector 10 paper saturation voltage Vm resulting from light reflected from a recording paper, and calculating a standard value Vs= [(Vm - Vp) x C] + Vm by multiplying by a constant coefficient C greater than 0 and less than 1; and a comparing means 25, comparing said standard value and a signal from said sheet end detector 10 and recognizing a point in time when said signal corresponds to said standard level as being indicative of the presence of a leading edge or trailing edge of a recording paper, are provided. The amount of paper feeding necessary for platen voltage Vp to reach standard value Vsa, Vsb is a constant value Nt - Ns irrespective of paper characteristics. As standard value Vs is a constant value, the point in time when this amount of light is reached is the point in time when the end portion of a recording paper has reached a constant sheet end detector relative position Nt, Nb.

公开(公告)号：EP0524727A1

公开(公告)日：1993-01-27

申请号：EP92305753.3

申请日：1992-06-23

申请人： XEROX CORPORATION

发明人： van Dusen, John G.

IPC分类号： G03G7/00 ,  G03G15/00

CPC分类号： G03G15/6591 ,  G03G7/00 ,  G03G7/002 ,  G03G2215/00371 ,  G03G2215/00497 ,  G03G2215/00523 ,  G03G2215/00603 ,  G03G2215/00611 ,  G03G2215/00616 ,  G03G2215/00721 ,  H04N1/00681 ,  H04N1/00705 ,  H04N1/00734

摘要： An imaging apparatus equipped with a path for moving receiver sheets through the apparatus, has infrared sensors (18a, 18b, 18c) situated along said path. If a substantially transparent receiver sheet (15), having coated on at least a portion thereof an infrared absorbing material contained in a polymeric binder, passes along the path, the infrared sensors detect the presence of the infrared absorbing material on the substantially transparent receiver sheet. This process enables the use of substantially transparent receiver sheets in imaging apparatuses employing optical sensors or detectors for locating and/or positioning receiver sheets in the apparatus without the need for opaque strips on the transparencies or separate opaque sheets attached to the transparencies.

摘要翻译： 装备有用于通过装置移动接收片的路径的成像装置具有沿所述路径设置的红外传感器（18a，18b，18c）。 如果基本上透明的接收片（15）在其至少一部分上涂覆有聚合物粘合剂中所含的红外线吸收材料，则沿着路径通过，红外传感器检测红外线吸收材料在基本上透明的接收片上的存在 。 该过程使得能够在使用光学传感器或检测器的成像设备中使用基本上透明的接收片，以将接收片定位和/或定位在设备中，而不需要在透明胶片上的不透明条带或附接到透明胶片的单独的不透明片材。

公开(公告)号：EP0363153A2

公开(公告)日：1990-04-11

申请号：EP89310109.7

申请日：1989-10-03

申请人： XEROX CORPORATION

发明人： Sampath, Barbara A. ,  Schenk, Richard C.

IPC分类号： B65H7/06

CPC分类号： G03G15/6588 ,  B65H7/06 ,  B65H7/14 ,  B65H2511/164 ,  B65H2511/20 ,  B65H2511/51 ,  B65H2511/514 ,  B65H2511/515 ,  B65H2515/60 ,  B65H2553/412 ,  B65H2701/1311 ,  B65H2701/1313 ,  G03G2215/00421 ,  G03G2215/00438 ,  G03G2215/00523 ,  G03G2215/00611 ,  G03G2215/00616 ,  G03G2215/007 ,  G03G2215/00721 ,  B65H2220/03 ,  B65H2220/01

摘要： An apparatus which determines the location of an edge of an advancing sheet and discriminates between the edge and a hole in the sheet. After the leading edge of the sheet is detected by a sensor (108) and the sheet has moved a first predetermined distance, the absence or presence of the sheet is sensed for a second predetermined distance. If the sheet is not detected as it moves the second predetermined distance, the control logic (114) indicates that the trailing edge has been detected. In the event the sheet is sensed, the control logic indicates that a hole has been detected and the process is repeated to locate the trailing edge.

摘要翻译： 确定前进片材的边缘的位置并鉴别片材中的边缘和孔之间的装置。 在通过传感器（108）检测到纸张的前缘之后，纸张已经移动了第一预定距离时，纸张的不存在或不存在被感测到第二预定距离。 如果在移动第二预定距离时没有检测到纸张，则控制逻辑（114）指示已经检测到后沿。 在感测纸张的情况下，控制逻辑指示已经检测到孔并重复该过程以定位后缘。

公开(公告)号：EP0191591A3

公开(公告)日：1987-02-04

申请号：EP86300756

申请日：1986-02-05

申请人： XEROX CORPORATION

发明人： Jedlicka, Josef Emanuel

IPC分类号： G03G15/00 ,  G03B27/62 ,  B65H07/14

CPC分类号： G03G15/65 ,  B65H43/08 ,  G03G2215/00371 ,  G03G2215/00611 ,  G03G2215/00616 ,  G03G2215/00721

摘要： This invention relates to a sheet sensor comprising a light source (62) coupled to an optical waveguide (60) arranged to direct light at the path of the sheet (54). At least a second waveguide is arranged to receive light after transmission through, or reflection from, the light. A transducer converts the received light into an electrical signal which indicates the presence or the absence of a sheet in the path. Both the light source and the «transmission» waveguide are secured to each other and to a common substrate (64).

公开(公告)号：EP2843475A1

公开(公告)日：2015-03-04

申请号：EP14179380.2

申请日：2014-07-31

申请人： Ricoh Company Ltd.

发明人： Adachi, Kazuhiko ,  Oba, Yoshihiro ,  Ishii, Toshihiro ,  Hoshi, Fumikazu ,  Chubachi, Sunao ,  Misaka, Yoshihiro

IPC分类号： G03G15/00

CPC分类号： G01N21/21 ,  G01B11/06 ,  G01G9/00 ,  G01N21/4738 ,  G01N21/59 ,  G01N2201/06113 ,  G01N2201/062 ,  G01N2201/0691 ,  G01N2201/105 ,  G03G15/5029 ,  G03G2215/00616 ,  G03G2215/00738 ,  G03G2215/00742

摘要： A sensor apparatus (100, 200, 300, 2245) includes an irradiation system (11, 12) with a light source (11) configured to emit linearly polarized light of a first polarization direction onto a sheet-like object (M), in a direction oblique to a direction orthogonal to a surface of the object (M), a first photodetector (15) arranged on an optical path of light that is emitted from the irradiation system (11, 12) and then is reflected at the object (M) by regular reflection, a first optical element (14), arranged on an optical path of light reflected by diffuse reflection from an incidence plane of the object (M), configured to transmit linearly polarized light of a second polarization direction that is orthogonal to the first polarization direction, a second photodetector (13) configured to receive light passed through the first optical element (14), and a detection unit (13t) configured to detect at least one of basis weight and thickness of the object (M).

摘要翻译： 一种传感器装置（100,200,300,2245）包括：具有光源（11）的照射系统（11,12），所述光源被配置为将第一偏振方向的线性偏振光发射到片状物体（M）上; （M）的与表面正交的方向倾斜的方向;第一光电检测器（15），布置在从所述照射系统（11,12）发射的光的光路上，然后在所述物体（M） 所述第一光学元件被布置在由来自所述物体的入射平面的漫反射反射的光的光学路径上，所述第一光学元件被配置为透射具有正交的第二偏振方向的线性偏振光， （14）的光的第二光检测器（13）以及检测单元（13t），所述检测单元（13t）被配置为检测所述物体（M）的基重和厚度中的至少一个， 。