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公开(公告)号：DE68915084D1
公开(公告)日：1994-06-09
申请号：DE68915084
申请日：1989-08-30
Applicant: CANON KK
Inventor： TADA TATSUYA , YAMAMOTO YASUYOSHI
IPC: G03G15/08
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公开(公告)号：DE3615958C2
公开(公告)日：1997-11-06
申请号：DE3615958
申请日：1986-05-12
Applicant: CANON KK
Inventor： KASAMURA TOSHIROU , OZAWA TAKASHI , YAMAMOTO YASUYOSHI , OHASHI MASASHI , KIMURA AKIYOSHI , SASAKI NOBUKAZU , KOIKE MICHIRO , KUBOTA ATSUSHI , SHIRATORI TATSUYA , KUSUMOTO TOSHIHIKO
Abstract: An image forming apparatus such as a copying apparatus and a laser beam printer, is capable of forming a superimposed image or duplex image on one sheet. The sheet which has been once subjected to the image forming operation and which is going to be subjected to another image forming operation is reintroduced into the image forming station selectively through a flow-through sheet passage or through an intermediate tray on which the transfer sheets are once stacked. A displaceable flapper is provided to direct the sheet selectively to the flow-through passage or to the intermediate tray.
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公开(公告)号：DE3611965C2
公开(公告)日：1995-06-01
申请号：DE3611965
申请日：1986-04-09
Applicant: CANON KK
Inventor： KOIKE MICHIRO , OZAWA TAKASHI , YAMAMOTO YASUYOSHI , OHASHI MASAHI , KIMURA AKIYOSHI , SASAKI NOBUKAZU , KASAMURA TOSHIROU , KUBOTA ATSUSHI , SHIRATORI TATSUYA , KUSUMOTO TOSHIHIKO
Abstract: An image forming apparatus includes an image forming station for conveying a sheet material along a lateral reference position and for forming an image on the sheet material; refeeding device for refeeding to the image forming station the sheet material on which the image has been formed in the image forming station; means, provided in the sheet refeeding means, for shifting the sheet material in the lateral direction from the lateral reference position by a predetermined amount, wherein the amount of the shift is predetermined on the basis of a change in a lateral dimension of the sheet material resulting from an image forming operation in the image station.
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公开(公告)号：GB2180794B
公开(公告)日：1990-07-04
申请号：GB8618570
申请日：1986-07-30
Applicant: CANON KK
Inventor： OZAWA TAKASHI , YAMAMOTO YASUYOSHI , OHASHI MASASHI , KIMURA AKIYOSHI , SASAKI NOBUKAZU , KASAMURA TOSHIROU , KUBOTA ATSUSHI , SHIRATORI TATSUYA , KUSUMOTO TOSHIHIKO , KOIKE MICHIRO , TANABE KEN , TANAKA HIDETOSHI
IPC: G03G15/00 , G03G15/01 , G03G15/041 , G03G15/36 , G03G21/00
Abstract: An image forming apparatus capable of effecting plural image forming operations on one transfer sheet includes an image transfer device for transferring an image on the transfer sheet, an image magnification changing mechanism for changing the magnification of the image to be transferred onto the transfer sheet, and a control device for controlling the magnification changing mechanism in accordance with deformation of the transfer sheet caused by an image forming operation on the transfer sheet, after a first image is formed on the transfer sheet and before a second image is formed on the same transfer sheet, whereby those images are correctly registered.
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公开(公告)号：GB2180794A
公开(公告)日：1987-04-08
申请号：GB8618570
申请日：1986-07-30
Applicant: CANON KK
Inventor： OZAWA TAKASHI , YAMAMOTO YASUYOSHI , OHASHI MASASHI , KIMURA AKIYOSHI , SASAKI NOBUKAZU , KASAMURA TOSHIROU , KUBOTA ATSUSHI , SHIRATORI TATSUYA , KUSUMOTO TOSHIHIKO , KOIKE MICHIRO , TANABE KEN , TANAKA HIDETOSHI
IPC: G03G15/00 , G03G15/01 , G03G15/041 , G03G15/36 , G03G21/00
Abstract: An image forming apparatus capable of effecting plural image forming operations on one transfer sheet includes an image transfer device for transferring an image on the transfer sheet, an image magnification changing mechanism for changing the magnification of the image to be transferred onto the transfer sheet, and a control device for controlling the magnification changing mechanism in accordance with deformation of the transfer sheet caused by an image forming operation on the transfer sheet, after a first image is formed on the transfer sheet and before a second image is formed on the same transfer sheet, whereby those images are correctly registered.
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Patent Agency Ranking
公开(公告)号：DE3626819A1
公开(公告)日：1987-02-19
申请号：DE3626819
申请日：1986-08-08
Applicant: CANON KK
Inventor： OZAWA TAKASHI , YAMAMOTO YASUYOSHI , OHASHI MASASHI , KIMURA AKIYOSHI , SASAKI NOBUKAZU , KASAMURA TOSHIROU , KUBOTA ATSUSHI , SHIRATORI TATSUYA , KUSUMOTO TOSHIHIKO , KOIKE MICHIRO , TANABE KEN , TANAKA HIDETOSHI
Abstract: An image forming apparatus capable of effecting plural image forming operations on one transfer sheet includes an image transfer device for transferring an image on the transfer sheet, an image magnification changing mechanism for changing the magnification of the image to be transferred onto the transfer sheet, and a control device for controlling the magnification changing mechanism in accordance with deformation of the transfer sheet caused by an image forming operation on the transfer sheet, after a first image is formed on the transfer sheet and before a second image is formed on the same transfer sheet, whereby those images are correctly registered.
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公开(公告)号：DE3731466C2
公开(公告)日：2001-12-06
申请号：DE3731466
申请日：1987-09-18
Applicant: CANON KK
Inventor： SASAKI NOBUKAZU , KASAMURA TOSHIROU , OHASHI MASASHI , OKUDA NAOKI , KUSUMOTO TOSHIHIKO , MAEDA YASUNORI , OZAWA TAKASHI , YAMAMOTO YASUYOSHI , KUBOTA ATSUSHI , KIMURA AKIYOSHI , MASUDA MAKOTO
Abstract: An image forming apparatus includes sheet accommodating cassette for accommodating sheets, a device for forming images on the sheets, a first sheet conveying passage for conveying the sheet to the image forming device from the sheet accommodating cassette, a conveyor for accommodating a bundle of sheets having been subjected to an image forming operation by the image forming means at first sides thereof in a form in which leading edges of the sheets are gradually deviated in a sheet advancement direction, and for conveying the bundle as a whole, a feeder, disposed downstream of the conveyor with respect to the sheet advancement direction, for feeding one by one the sheets of the bundle from the sheet closest to the feeder, a second sheet conveying passage merging into the first passage for refeeding to the image forming device the sheets fed by the feeder, and a confining device for confining the sheets of the bundle other than the sheet being fed by the feeder.
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公开(公告)号：DE3731466A1
公开(公告)日：1988-04-28
申请号：DE3731466
申请日：1987-09-18
Applicant: CANON KK
Inventor： SASAKI NOBUKAZU , KASAMURA TOSHIROU , OHASHI MASASHI , OKUDA NAOKI , KUSUMOTO TOSHIHIKO , MAEDA YASUNORI , OZAWA TAKASHI , YAMAMOTO YASUYOSHI , KUBOTA ATSUSHI , KIMURA AKIYOSHI , MASUDA MAKOTO
Abstract: An image forming apparatus includes sheet accommodating cassette for accommodating sheets, a device for forming images on the sheets, a first sheet conveying passage for conveying the sheet to the image forming device from the sheet accommodating cassette, a conveyor for accommodating a bundle of sheets having been subjected to an image forming operation by the image forming means at first sides thereof in a form in which leading edges of the sheets are gradually deviated in a sheet advancement direction, and for conveying the bundle as a whole, a feeder, disposed downstream of the conveyor with respect to the sheet advancement direction, for feeding one by one the sheets of the bundle from the sheet closest to the feeder, a second sheet conveying passage merging into the first passage for refeeding to the image forming device the sheets fed by the feeder, and a confining device for confining the sheets of the bundle other than the sheet being fed by the feeder.
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公开(公告)号：FR2586114A1
公开(公告)日：1987-02-13
申请号：FR8611523
申请日：1986-08-08
Applicant: CANON KK
Inventor： OZAWA TAKASHI , YAMAMOTO YASUYOSHI , OHASHI MASASHI , KIMURA AKIYOSHI , SASAKI NOBUKAZU , KASAMURA TOSHIROU , KUBOTA ATSUCHI , SHIRATORI TATSUYA , KUSUMOTO TOSHIHIKO , KOIKE MICHIRO , TANABE KEN , TANAKA HIDETOSHI
Abstract: An image forming apparatus capable of effecting plural image forming operations on one transfer sheet includes an image transfer device for transferring an image on the transfer sheet, an image magnification changing mechanism for changing the magnification of the image to be transferred onto the transfer sheet, and a control device for controlling the magnification changing mechanism in accordance with deformation of the transfer sheet caused by an image forming operation on the transfer sheet, after a first image is formed on the transfer sheet and before a second image is formed on the same transfer sheet, whereby those images are correctly registered.
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公开(公告)号：DE3611965A1
公开(公告)日：1986-10-16
申请号：DE3611965
申请日：1986-04-09
Applicant: CANON KK
Inventor： KOIKE MICHIRO , OZAWA TAKASHI , YAMAMOTO YASUYOSHI , OHASHI MASAHI , KIMURA AKIYOSHI , SASAKI NOBUKAZU , KASAMURA TOSHIROU , KUBOTA ATSUSHI , SHIRATORI TATSUYA , KUSUMOTO TOSHIHIKO
Abstract: An image forming apparatus includes an image forming station for conveying a sheet material along a lateral reference position and for forming an image on the sheet material; refeeding device for refeeding to the image forming station the sheet material on which the image has been formed in the image forming station; means, provided in the sheet refeeding means, for shifting the sheet material in the lateral direction from the lateral reference position by a predetermined amount, wherein the amount of the shift is predetermined on the basis of a change in a lateral dimension of the sheet material resulting from an image forming operation in the image station.
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