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| Number | Title | Issue Date |
| 7028580 | Rotational cable shortening device A rotational cable shortening system for shortening the effective length of a cable by bending a section of the cable. The shortening system comprises a rotatable bridged channel through which the cable is threaded. Upon rotation of the bridged channel, the cable is... | 04/18/2006 |
| 7016642 | Image forming apparatus and image formation control method A frame image (210) with 5-mm wide margins is formed on a paper sheet on the basis of the leading end and widthwise end positions of the paper sheet (107) detected by a contact image sensor (CIS) (204) in an adjustment mode. After that, this pap... | 03/21/2006 |
| 7007949 | Multiple supply film transport mechanism Apparatus for changing the direction of transport of a sheet by about 75° to about 90° comprising: a first flat guide for contacting the leading edge of a sheet transported along a path to change its direction of transport by an acute angle; a second flat or conca... | 03/07/2006 |
| 6952290 | Sensing of original size An original size sensing method for an apparatus which includes a photoelectric converter for reading an image of an original placed on a platen, and a light source for irradiating the original with light, determines the presence/absence of incidence of ambient ligh... | 10/04/2005 |
| 6934504 | Image forming apparatus and image formation control method A frame image (210) with 5-mm wide margins is formed on a paper sheet on the basis of the leading end and widthwise end positions of the paper sheet (107) detected by a contact image sensor (CIS) (204) in an adjustment mode. After that, this pap... | 08/23/2005 |
| 6748187 | Image forming apparatus with conveyance and exposure control The image forming apparatus has exposing device, conveying device, and sheet detecting device for detecting the sheet conveyed by the conveying device, which is disposed between the transferring portion and the conveying device, and control device for judging whethe... | 06/08/2004 |
| 5319432 | Sheet delivery mechanism A sheet delivery mechanism includes a pair of delivery rollers which deliver a sheet along a sheet delivery passage of a sheet treatment apparatus for predeterminately treating the sheet, a sheet halting member for halting the sheet, and a pinching force ... | 06/07/1994 |
| 5298958 | Image forming apparatus Disclosed is an image forming apparatus such as a laser printer, a copying machine, or the like, for forming an image onto recording paper. The image forming apparatus includes a photoreceptor for rotationally displacing, at a fixed speed, a toner image f... | 03/29/1994 |
| 4952977 | Method of operating an electrophotographic copying apparatus wherein original documents are replaced during preliminary scannning, and apparatus for carrying out the method An electrophotographic copying apparatus is equipped with an automatic document feeder and an optical system for exposing a document by scanning. The automatic document feeder feeds and places the first original document on a platen glass table where the ... | 08/28/1990 |
| 4939554 | Sheet conveyance apparatus An electrophotographic copying apparatus has increased speed in recording sheet conveyance where the conveying path from the sheet feed cassette to the photosensitive member is relatively long. The sheet conveyance apparatus is constructed to equalize the... | 07/03/1990 |
| 4879578 | Paper feeding device and a paper guiding device in a copying apparatus A copying paper feeding device comprises a first and a second paper loading sections to be loaded with a stack of copying paper sheets, a first and a second paper delivery mechanism disposed respectively in the first and second paper loading sections, a f... | 11/07/1989 |
| 4827283 | Lighting control method and a lighting control apparatus of a light source in an image forming apparatus A lighting control method and an apparatus thereof which determine during the returning motion of the light source, whether the next paper is fed to the registration roller, and if it is determined that the paper is fed, the light source is caused to turn... | 05/02/1989 |
| 4816867 | Electrophotographic copying machine An electrophotographic copying machine comprising a document supporting glass plate for supporting an original document thereon, an optical system for scanning the document on the document supporting glass plate, a photoreceptor drum for recording the ima... | 03/28/1989 |
| 4783682 | Copy paper delivery timing control device Disclosed is a copy paper delivery-timing control device which includes the following: a home position sensor that detects the home position of the original scanner; a pulse-generator for generating a specific number of pulses corresponding to the travell... | 11/08/1988 |
| 4714941 | Copying apparatus having a controlled scanning speed according to a copying magnification An improved copying apparatus for copying by shifting images by a desired distance, and also for copying the central portion of a copy paper sheet according to copying factors such as the copy paper sheet sizes, original document sizes and copying magnifi... | 12/22/1987 |
| 4708456 | Method and apparatus for feeding and conveying copying papers in a copying machine A copying paper is deflected at least twice in the conveying process thereof from a paper feeding means to a photoreceptor which is disposed in the lower reaches of the conveying direction, whereby the positional state of the top edge of the copying paper... | 11/24/1987 |
| 4707126 | Method of positioning original image to be copied and apparatus for performing the same A composite copy of an image or images from a single or plural original sheets is formed by regulating the position or positions of the images from the original sheets on the copy sheet in a copy paper feeding direction and a direction orthogonal thereto.... | 11/17/1987 |
| 4595278 | Image forming apparatus A copying machine has a document table on which a document is to be placed, an exposure lamp for exposing the document placed on the document table, a scanning circuit for reciprocating the exposure lamp with respect to the document so as to optically sca... | 06/17/1986 |
| 4589759 | Reproducing apparatus with optic scanning module An electrostatographic reproducing apparatus of the two cycle variety wherein a photoconductive belt is arranged to move in a recirculating path, includes a transparent viewing platen together with an optical scanning module positioned between the viewing... | 05/20/1986 |
| 4571067 | Detecting device for optical scanning system position suitable for electrophotographic copying machine An electrophotographic copying machine comprises a device for detecting the position of a moving optical scanning system. The moving optical scanning system may be a copy object plate or a part of lenses and mirrors forming the optical scanning system. Th... | 02/18/1986 |
| 4563082 | Copying machine with automatic document feeder There is disclosed a copying machine with an automatic document feeder in which an original is held on a holding drum and a copy sheet is fed to a photosensitive drum in synchronism with the rotation of the holding drum. The copying machine with an automatic d... | 01/07/1986 |
| 4545676 | Controlling apparatus for paper-feeding drive operated by driving system of optics unit for exposure A photocopying machine having an optical system for scanning a document to be copied, including a reciprocating portion capable of forward movement for scanning and reverse movement for recovery, which movements are produced by corresponding forward and r... | 10/08/1985 |
| 4538903 | Multiple magnification mode copying apparatus A multiple magnification mode copying apparatus includes a full and half-rate scanning mirror system, the scanning system including a cable and a pulley arrangement for driving a full rate mirror carriage in a predetermined direction at a predetermined sp... | 09/03/1985 |
| 4461564 | Electrophotographic copying apparatus with variable magnification The disclosure is directed to an electrophotographic copying apparatus with variable magnification which is arranged to accurately register or align a leading edge of an electrostatic latent image with a leading edge of a copy paper sheet even when variou... | 07/24/1984 |
| 4456369 | Copying machine with automatic document feeder There is disclosed a copying machine with an automatic document feeder in which an original is held on a holding drum and a copy sheet is fed to a photosensitive drum in synchronism with the rotation of the holding drum. The copying machine with an automatic d... | 06/26/1984 |
| 4421402 | Electrophotographic device A copying apparatus has an original document base which reciprocates along a scanning path for slit exposure of an original. The image of the original is formed on a photosensitive drum and is then transferred onto a copy sheet. Copy sheets are fed in res... | 12/20/1983 |
| 4415263 | Electrophotographic copier apparatus Electrophotographic plain paper copier apparatus of a highly compact nature in which the copier is modular in construction and has a removable magazine to hold the paper supply in an arcuate disposition. A substantial number of the components and parts of... | 11/15/1983 |
| 4372668 | Sheet registration actuation Reproducing apparatus with a stationary optical system, a reciprocating platen to transport a document across the stationary optical system, a copy sheet feeding apparatus and a copy sheet registration apparatus to feed a copy sheet in synchronism with th... | 02/08/1983 |
| 4371255 | Electrophotographic copying method and apparatus of reciprocal original scanning type The surface of a photoconductor is moved in a predetermined direction and the original is scanned reciprocally by the relative movement of an optical system relative to the original. The photoconductor is exposed not only at the forward original scanning,... | 02/01/1983 |
| 4304486 | Automatic bias and registration control system for electrophotographic copier In an optical imaging system for an electrophotographic copier, a photodetector intercepts a portion of unfocused light being reflected toward the photoconductive surface. An electronic circuit generates a biasing voltage for the copier development electr... | 12/08/1981 |
| 4217052 | Method for effecting registration for a copying apparatus In copying apparatus having a magnification ratio varying device, wherein a photosensitive member in motion is exposed to an optical image of an original by slit exposing to form an electrostatic latent image thereon and the original scanning velocity is ... | 08/12/1980 |
| 4129377 | Variable magnification copying apparatus A variable magnification copying apparatus includes optical scanning means for scanning an image original at a variable velocity in accordance with a copying magnification desired, a photosensitive drum movable at a predetermined velocity from an exposure... | 12/12/1978 |
| 4124289 | Electrophotographic copying apparatus A transfer type electrophotographic copying apparatus of scanning system compact in size and efficient in copying operation and maintenance which is equipped with an improved copying sequence control arrangement through which an exposure lamp for an origi... | 11/07/1978 |
| 4026647 | Copy sheet feed device A device comprising detection means disposed in a predetermined position on the path of movement of an original scanning system in an electrophotographic copying apparatus for detecting the movement of the original scanning system and producing a signal t... | 05/31/1977 |
| 4009957 | Copy paper feed system As a scanning element of an electrophotographic copying machine begins to move, a feed roller moves a sheet of copy paper into the bite of register rollers which are held stationary. This movement of the copy paper is accomplished in a period of time whic... | 03/01/1977 |
