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公开(公告)号：JP2001031314A
公开(公告)日：2001-02-06
申请号：JP20915499
申请日：1999-07-23
Applicant: CANON KK
Inventor： KATO HITOSHI , SATO TSUTOMU
Abstract: PROBLEM TO BE SOLVED: To permit quick elevating action and stacking of a sheaf of sheets in large quantities and to suppress power consumption by providing a means for holding a sheet stacking means movably in a vertical direction, a means for suppressing power consumption and a means for controlling continuation in holding the stacking means. SOLUTION: A stacking motor is provided for holding a sheet stacking tray movably in a vertical direction, and a CPU circuit part 150 is provided for controlling the whole image forming device and energy-saving processing for minimizing power consumption to control continuation in holding the stacking tray by the stacking motor during the execution of energy-saving processing and to control adjustment of torque of the stacking motor on the basis of the detected result of a paper detecting sensor. A finisher control part 501 is further provided for adjusting a control current according to the phase exciting pattern of the stacking motor. This constitution permits quick elevating action and suppresses power consumption of the device.
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公开(公告)号：JP2000295410A
公开(公告)日：2000-10-20
申请号：JP2000007562
申请日：2000-01-17
Applicant: CANON KK
Inventor： SATO TSUTOMU , MORIYAMA TAKESHI , YAGINUMA MASATOSHI , OKAMOTO KIYOSHI , MURATA MITSUSHIGE , MIYAKE NORIFUMI , FUKATSU YASUO , YAMAUCHI MANABU
Abstract: PROBLEM TO BE SOLVED: To prevent problems when performing post-processing for the bundle of sheets mixing a sheet from an inserter and a sheet from a printer part. SOLUTION: A copy device 1000 has an inserter 900 for inserting a sheet different from ordinary recording paper to the leading page, the final page or the middle page of a sheet on which images are formed by a printer part 300. In the control part of this copy device, processing is performed for aligning the direction of images on the sheet loaded in the tray of the inserter 900 and the direction of images inputted from an image reader part 200, the processed images are formed on the sheet and the sheet from the inserter 900 and the sheet, on which images are formed by the printer part 300, are loaded in a processing tray inside a finisher 500.
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公开(公告)号：JP2000211807A
公开(公告)日：2000-08-02
申请号：JP941599
申请日：1999-01-18
Applicant: CANON KK
Inventor： SATO TSUTOMU , MORIYAMA TAKESHI , YAGINUMA MASATOSHI , OKAMOTO KIYOSHI , MURATA MITSUSHIGE , MIYAKE NORIFUMI , FUKATSU YASUO , YAMAUCHI MANABU
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device capable of enhancing the productivity when a post-processing is to be conducted while transcribing material and special sheets of paper are put together without impairing the grade of printing on the special sheet and the durability in transporting the transcribing material. SOLUTION: A special sheet of paper from an inserter 900 is inserted to ordinary sheets of paper on which image are formed, and these sheets with special one(s) inserted are folded into two and bound into a book in such an arrangement that it is possible to spread and turn over page by page. When this book-making process is to be executed, composition of image to be formed on the sheets and rearrangement are performed so that the sheets to be bound lie in the correct sequence of pages. The special sheet(s) inserted are put in standby temporarily in a non-sort path 521 using a finisher 500 and then the ordinary sheets are introduced into an accommodation guide 820 and accommodated, and thereafter, the special sheet(s) in standby are introduced into the accommodation guide 820 and accommodated.
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公开(公告)号：JP2000177921A
公开(公告)日：2000-06-27
申请号：JP37529798
申请日：1998-12-15
Applicant: CANON KK
Inventor： MIYAKE NORIFUMI , MORIYAMA TAKESHI , YAGINUMA MASATOSHI , OKAMOTO KIYOSHI , MURATA MITSUSHIGE , FUKATSU YASUO , SATO TSUTOMU
Abstract: PROBLEM TO BE SOLVED: To provide a posterior treatment device which can optimize the treatment according to the changes in time required for moving to the binding position of a binding means. SOLUTION: In a two position stipple binding mode, the time from when the last paper sheet constitutes a bundle on a treatment tray to the time when the top paper sheet is piled on the next bundle on the treatment tray is changed according to the interval value between the set binding positions. In the case where time T1 is fixedly set for the interval time mentioned above (a), and in the case where the distance between binding positions A1 and A2 (b), time Td becomes wasteful. Then, wasteful time Td is omitted by setting the time from when the last paper sheet is placed on the treatment tray to the time when the first paper sheet for the next bundle is placed on the treatment tray to T2 (c).
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公开(公告)号：JP2000025982A
公开(公告)日：2000-01-25
申请号：JP19785898
申请日：1998-07-13
Applicant: CANON KK
Inventor： YAMAZAKI KATSUYA , MATSUMOTO YUZO , SATO TSUTOMU , FUJII TAKAYUKI
Abstract: PROBLEM TO BE SOLVED: To prevent an image forming device from stopping temporarily during image forming operation by estimating the sheet number of documents placed on a document placement means from the traveling amount of a document conveyance means obtained by a traveling amount measuring means. SOLUTION: A traveling amount measuring means 352 of a document conveyance means measures the traveling amount from the home position of a sheet feeding roller. An estimating member 353 estimates the rough sheet number of documents placed on a document tray from the volume thickness of the documents on the tray. The number of the sheets capable of being delivered to a sorter which sorts and loads the sheets automatically or a sheet processor which binds and stacks a plurality of sheets is searched by a searching means 362 which is at a limit value of the sheet processor, and is compared with that of the sheets to be copied. If the total number of the sheets exceeds the number of the sheets which the sorter is capable of storing, a warning message is indicated on the display part 361 of a copying machine body when copying operation is designated for the number of sheets capable of being stored in the sorter or the sheet processor which binds and loads a plurality of sheets.
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Patent Agency Ranking
公开(公告)号：JPH11346294A
公开(公告)日：1999-12-14
申请号：JP16442298
申请日：1998-05-29
Applicant: CANON KK
Inventor： FUJII TAKAYUKI , SATO TSUTOMU , MATSUMOTO YUZO , YAMAZAKI KATSUYA
Abstract: PROBLEM TO BE SOLVED: To prevent an output image and an original image from being made incoincident when plural reading positions are present in a reading-through mode by deciding an image reading position according to the detected size of a sheet, and transmitting the position to a sheet carrying means. SOLUTION: This device is provided with a reading position deciding means for deciding an image reading position according to the size of a sheet detected by a size detecting means and a transmitting means for transmitting the decided image reading position to a sheet carrying means. A reader part in this image reading device, for example, a copying machine reads an image recorded in an original placed on a platen at the reading position of the copying machine main body. The original reading positions on the platen are three parts, R1-R3, and the R2 is the reading position in a both side original mode, the R2 is the reading position of a half-size original in one side original mode, and the R3 is the reading position when large size and half-size originals in one side original mode are vertically carried.
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公开(公告)号：JPH11334973A
公开(公告)日：1999-12-07
申请号：JP13900998
申请日：1998-05-20
Applicant: CANON KK
Inventor： SATO TSUTOMU , YAGINUMA MASATOSHI , FUKATSU YASUO , MIYAKE NORIFUMI
Abstract: PROBLEM TO BE SOLVED: To improve the bundle processing speed of a bundle of sheets and attain the stability of bundle delivery in a sheet processing device combining a processing tray conducting the alignment and binding of sheets and a stack tray receiving and storing a bundle of processed sheets for each bundle. SOLUTION: This device is provided with a processing tray means 129 which receives delivered sheets, an aligning means 140 aligning a bundle of sheets on the processing tray means 129, a binding means binding the bundle of sheets aligned by the aligning means 140, and a conveyance means 150 conveying the bundle of sheets bound by the binding means onto a stack tray means 200. Starting the conveying operation of the conveyance means 150 is controlled by a conveying operation control means during aligning operation by the aligning means 140 or binding operation by the binding means.
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公开(公告)号：JPH11334933A
公开(公告)日：1999-12-07
申请号：JP16442198
申请日：1998-05-29
Applicant: CANON KK
Inventor： FUJII TAKAYUKI , SATO TSUTOMU , MATSUMOTO YUZO , YAMAZAKI KATSUYA
Abstract: PROBLEM TO BE SOLVED: To prevent an error in detecting a document size in a manual insertion carrier path by detecting the carrier distance of a sheet reaching a reference position, by comparing the detection distance with a practical distance, and judging whether there is some abnormality on the way to carrying or not. SOLUTION: When a manual insertion paper feeding is implemented, a document is carried inside a sheet path A by rotating a manual insertion paper feed roller 13 by a paper discharge motor 104, and then a manual insertion register sensor 34 judges whether the tip of the document passes the detection position of the sensor 34 or not. When the passing is detected, a manual insertion loop counter is started, and when the passing of the rear end of the document is detected, the counter is made to stop and the size is checked. That is to say, the carrier distance is detected based on the count value of the counter, the abnormality/normality of the document sliding on the way to carrying is judged by comparing the carrier distance with the practical distance, and when being judged abnormal, the length detected by a size detection means is set to invalid.
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公开(公告)号：JPH11263463A
公开(公告)日：1999-09-28
申请号：JP6903598
申请日：1998-03-18
Applicant: CANON KK
Inventor： SEKIYA TAKESHI , CHIYOUHOU SATORU , SATO TSUTOMU , SUGITA SHIGERU
Abstract: PROBLEM TO BE SOLVED: To save electric power and to reduce sound of a device on the sheet carrier device having an air separation means for lower separation. SOLUTION: A sheet on the lowest level is drawn out by sucking it on a suction belt 14 by a suction fan 19 by handling a sheet bundle placed on a copy tray 4 by blowing air on it by a separation fan 31. The sheet to be carried are counted by a sheet number counting means and the number of the sheets on the copy tray 4 is detected by a sheet number detection means. In the case when the number of the sheets on the copy tray 4 is one, the separation fan 31 is stopped for electric power saving and reduction of noise of a device.
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公开(公告)号：JPH11218969A
公开(公告)日：1999-08-10
申请号：JP2364998
申请日：1998-02-04
Applicant: CANON KK
Inventor： SEKIYA TAKESHI , CHIYOUHOU SATORU , SATO TSUTOMU , SUGITA SHIGERU
Abstract: PROBLEM TO BE SOLVED: To make separating means in accordance with the environment possible to work by making one of plural separating means of sheet transporting means possible to be selected by the user, among the plural separating means of a sheet transporting device. SOLUTION: In the sheet transporting device provided with plural transporting routes, first separating means 6 and 38, and the second separating means 14, 19 and 31, any one of the separating means is operated, by separate/selecting means by the selection of user. Moreover, when abnormality is present in one of the separating means, the sheet is made possible to be transported by making other separating means workable. In such a manner, the device is made possible to be operated in accordance with environments. Furthermore, even when one of the separating means is abnormal, the sheet transportation is made possible by another separating means, without stopping a system.
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