...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8186675 | Systems and methods for controlling substrate flatness in printing devices using vacuum and/or the flow of air Systems and methods are provided for controlling substrate flatness for sensor measurements in printing device using vacuum and/or the flow or air. A source of low pressure, such as a vacuum, may be provided. A printed sheet of media may be transported between upper... | 05/29/2012 |
| 8172227 | Sheet detecting device and image forming apparatus A sheet detecting device includes a rotation unit having an abutment surface, a positioning unit configured to position the rotation unit in a standby position where the leading edge of the conveyed sheet abuts the abutment surface, and a detecting unit configured t... | 05/08/2012 |
| 8152167 | Printing apparatus having optical sensor unit A printing apparatus has a sensor unit which optically detects, at a measurement position, a surface of a sheet, for measuring a moving state of the sheet. The sensor unit measures the moving state of the sheet when the sheet is located at the measurement position, ... | 04/10/2012 |
| 8136812 | Sheet stacker and finisher furnished with the same Affords sheet stacking device that, in stacking sheets onto a loading tray, enables stacking of the sheets always in the correct posture regardless of the nature of the sheets' surface material. The sheet stacking device includes a tray unit located downstream of a ... | 03/20/2012 |
| 8020862 | Sheet conveyance device, image forming apparatus and image reading apparatus A sheet conveyance device according to an aspect of the invention includes a guide member and a flexible guide assist member. The guide member constitutes a conveyance path for guiding a conveyed sheet. The guide assist member is provided in the guide member, the gu... | 09/20/2011 |
| 8011657 | Sheet transport device and image forming apparatus employing the same A sheet transport device comprises a sheet feeding path through which a sheet is transported, first and second elements which are located face to face with a particular point in the sheet feeding path and have first and second surfaces, respectively, constituting pa... | 09/06/2011 |
| 7871074 | Paper carrying apparatus and image forming apparatus having the same The paper carrying apparatus includes a first paper carrying mechanism (first carrying mechanism), a second paper carrying mechanism (second carrying mechanism) provided on the downstream of the first carrying mechanism in a carrying direction, an electric motor tha... | 01/18/2011 |
| 7871073 | Sheet conveying device, and image forming apparatus including same A sheet conveying device, that can be included in an image forming apparatus, includes a drive source, a drive roller driven by the drive source, a driven roller to press against the drive roller and rotate with the drive roller, an angular velocity detector to dete... | 01/18/2011 |
| 7753371 | Media jam and bent corner detector This invention relates to a media jam and media bent corner detector, comprising: a carriage; a transducer operatively connected to or adjacent to the carriage; and a piezoelectric film beam operatively connected to the transducer such that a portion of the beam sub... | 07/13/2010 |
| 7690651 | Image forming apparatus and remaining sheet detection method thereof An image forming apparatus is provided that detects a sheet remaining between a transfer unit and fixing unit using a loop sensor. The loop sensor is configured to detect a loop of a sheet conveyed between the transfer unit and the fixing unit. The image forming app... | 04/06/2010 |
| 7686302 | Feeder device for feeding media sheets A feeder device for feeding media sheets along a feed path, including: (a) an accommodator for accommodating the media sheets; (b) a feed mechanism including (b-1) a roller that is to be held in contact with the media sheets accommodated in the accommodator a... | 03/30/2010 |
| 7654525 | Reflective sheet detector A reflective sheet detector includes first and second guide plates constituting a sheet travelling path, an emitter, a receiver and a reflecting portion. The emitter is disposed on a first side of the sheet travelling path and close to a first input opening of the f... | 02/02/2010 |
| 7644921 | Image forming apparatus An image forming apparatus in accordance with the present invention can include a conveying device capable of conveying a recording medium, a support shaft which capable of being movably supported between a medium sensing position near a conveyance path along which ... | 01/12/2010 |
| 7607661 | Control device, conveyance control device, conveyance system and image forming system The control device includes a target setter that sets the target travel distance of the driving object in every predetermined period when the driving object is moved, and an operation amount determiner that determines whether or not the operation amount calculated b... | 10/27/2009 |
| 7600753 | Recording apparatus and medium transporting method A recording apparatus includes a first transporting device, a second transporting device, and a recording device which performs recording on the medium transported by the first and second transporting devices. The recording apparatus includes: a controller which det... | 10/13/2009 |
| 7503561 | Methods and devices for detecting the absence of a media sheet within an image forming device The present application is directed to methods and devices for determining the absence of media sheets within an image forming device. In one embodiment, a support section configured to hold a stack of media sheets is positioned in an input area of the image forming... | 03/17/2009 |
| 7448622 | Paper feeding control method for automatic document feeder A method for an automatic document feeder which can control the feeding of a following sheet such that the following sheet can be delayed for a predetermined time when the interval between sheets is shortened, thereby maintaining a constant interval between the shee... | 11/11/2008 |
| 7431291 | Delivery processing apparatus and image forming apparatus The present invention relates to a delivery processing apparatus comprising an alignment stage, an aligning means having an alignment member operable to align a sheet on the alignment stage and to escape to a home position during a non-alignment period, a conveying ... | 10/07/2008 |
| 7416180 | Paper sheet separation and transfer apparatus A paper sheet separation and transfer apparatus has a take-out roller which takes out stacked paper sheets onto a transfer path, a first separation unit, and a second separation unit. When the front end of a first paper sheet in the transfer direction reaches a nip ... | 08/26/2008 |
| 7410167 | Recording medium feeding method and image recording apparatus A method for feeding a recording medium includes the steps of: feeding the recording medium along a sheet-feeding path by a unit feeding amount, detecting an entrance of a rear end of the recording medium into a jumping alarm area, dividing the unit feeding amount i... | 08/12/2008 |
| 7404558 | Sheet supplying device and sheet processing device using detecting lever A sheet supplying device has a sheet delivering roller for delivering sheets one by one; a feeding roller for feeding the sheet delivered by the sheet delivering roller; a pinch roller urged by the feeding roller to be rotated by the feeding roller; a detecting leve... | 07/29/2008 |
| 7401779 | Sheet feeding apparatus A sheet detecting apparatus provided with a light emitter and a light receiver for receiving light emitted from the light emitter through a sheet conveying path, wherein the light receiver detects any change in a quantity of light from the light emitter caused by a ... | 07/22/2008 |
| 7396175 | Sheet carrier and image forming device A sheet carrier, includes an upstream side sheet carriage part; a downstream side sheet carriage part; an overlapping detection part which is provided between the upstream side sheet carriage part and the downstream side sheet carriage part and is configured to dete... | 07/08/2008 |
| 7392980 | Sheet feed device and image forming apparatus A sheet feed device includes: a conveyor roller that rotates in a first direction; a separation roller rotatable in a second, reverse to the first direction, that nips a sheet with the conveyor roller; a sheet detector provided at a detecting position to detect a nu... | 07/01/2008 |
| 7391043 | Self calibrating media edge sensor Various edge detection arrangements are disclosed, including an edge detection method and arrangement that utilizes outputs of commonly illuminated reference and edge sensors as the inputs for a comparator. The reference sensor is configured to have a wide field of ... | 06/24/2008 |
| 7384042 | Image forming device including mechanism to lock cover When a cover body at a closing position is pulled up with respect to a main body, then a lock lever attached to the cover body abuts against a hook body of the main body, regulating a rattle of the cover body with respect to the main body. When a user lifts up a mul... | 06/10/2008 |
| 7380788 | Sheet transporting device, sheet transporting method, and image recording device having the sheet transporting device To provide a sheet transporting device which can control sheet transport also with respect to plural kinds of tab sheets different from each other in terms of a tab position in a vertical direction with respect to a transporting direction without increasing the cost... | 06/03/2008 |
| 7370862 | Apparatus for detecting double-feed of paper Disclosed are an apparatus and method for detecting double-feed of paper to prevent banking accidents or jam in a paper handling machine for handling paper, sheets of currency note are not separated by a sheet separating means and thus plural sheets are double fed. ... | 05/13/2008 |
| 7367732 | Method and apparatus for controlling the sheet feeding speed in a printer In order to adjust a position of a cut sheet when the cut sheet begins to be sent to a printing positions a leading edge of the cut sheet is fed towards a pair of sending rollers for sending the cut sheet to a printing position, wherein the sending rollers are held ... | 05/06/2008 |
| 7364251 | Inkjet recording apparatus and recording medium movement control method An inkjet recording apparatus including: a recording head; a recording medium moving section; a position information detecting section synchronized with a movement of the recording medium moving section; a mark recording section for recording a mark on the recording... | 04/29/2008 |
| 7364157 | Compact backnote dispensing device with banknote length sensor A compact banknote dispensing device including a storage section for storing one or more banknotes, a discharging unit driven by a first motor for discharging banknotes one-by-one at a first speed, and a transporting unit driven by a second motor for receiving the d... | 04/29/2008 |
| 7362891 | Automated document processing system using full image scanning A document processing system comprises an input receptacle for receiving documents. A transport mechanism receives the documents from the input receptacle and transports the documents past an image scanner and a discrimination unit. An output receptacle receives the... | 04/22/2008 |
| 7357303 | Bill handling apparatus When using an inexpensive deposit box in a provided bill handling apparatus, bills that can be deposited are increased irrespective of a limit in the number of bills that can be stacked in the deposit box. In a bill handling apparatus including a bill deposit/withdr... | 04/15/2008 |
| 7357387 | Sheet feed device for feeding cut sheets while interposing shortened interval between successive fed two sheets A sheet is firstly fed only by a sheet feed roller and then relayed to a transportation roller. When the transportation roller starts conveying the sheet, a motor coupled to the sheet feed roller is deenergized so that the sheet feed roller is not rotated by the pow... | 04/15/2008 |
| 7349566 | Image processing network An image processing network for processing image files and coupled to an outside data communication network comprising a plurality of remote image capture units, the units scanning documents and creating a plurality of image files of said documents; the image proces... | 03/25/2008 |
| 7338042 | Sheet supplying apparatus The uppermost original of a bundle of originals placed on a stacking tray is photographed by an area sensor, and on the basis of chroma saturation information of image information thus obtained, whether the original to be separated is a color original is discriminat... | 03/04/2008 |
| 7339654 | Sheet conveying apparatus and image reading apparatus A sheet conveying apparatus is provided including a sheet feed tray on which sheets of a plurality of sizes are placed. A conveying unit conveys a sheet on the sheet feed tray to a predetermined processing position. A sheet position detector has a plurality of light... | 03/04/2008 |
| 7328898 | Image forming apparatus including timing determination unit, and corresponding sheet feeding method An image forming apparatus including a drive unit that drives a drive control unit that supplies a first drive current to the drive unit so as to acceleratingly drive an intermediate feeding roller, and supplies a current that is smaller than the first drive current... | 02/12/2008 |
| 7320464 | Original reading device with controller An original reading device includes a registration roller located upstream of an original reading position in an original transport path for adjusting the timing of feeding an original to the original reading position. There is at least one original feed roller for ... | 01/22/2008 |
| 7300055 | Image forming apparatus The object is to provide an image forming apparatus in which the copy sheet can be transferred with stable velocity and high accuracy even if there is variation in diameter due to machining tolerance. A pair of roller for feeding copy sheet pinching the sheet betwee... | 11/27/2007 |