...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7547017 | Sheet feed device A sheet feed device of this invention includes a sheet feed tray, a sheet feed unit which feeds a sheet placed on the sheet feed tray, a detection sensor which detects the presence/absence of a sheet on the sheet feed tray, and a sensor mounting member which mounts ... | 06/16/2009 |
| 7392743 | Thickness detecting apparatus There are provided a thickness detecting apparatus which can restrain erroneous detection even though a sheet or the like overlaps with only a part of a rotary body, and, which can enhance the degree of accuracy of detection, comprising a cylindrical displaceable ro... | 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 |
| 7319842 | Pivotal sheet conveying apparatus for skew correction and image forming apparatus To provide a sheet conveying apparatus capable of enhancing an accuracy of correcting a skew of a sheet, and of preventing position shift of a sheet. The present invention provides a sheet conveying apparatus for conveying a sheet by a sheet conveying unit disposed ... | 01/15/2008 |
| 7270325 | Sheet feeding apparatus, image reading apparatus, and method of detecting double feed A sheet feeding apparatus includes first and second transport devices disposed at a transport guide with a distance in between for nipping and transporting a sheet, and a double feed detection device disposed between the first transport device and the second transpo... | 09/18/2007 |
| 7128314 | Banknote dispensing device A 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 discharge... | 10/31/2006 |
| 7017903 | Sheet conveying apparatus There is provided a sheet conveying apparatus which is capable of easily distinguishing between a sheet bundle containing abnormal sheets, such as multi-fed sheets, and a normal sheet bundle. When it is determined that there is no abnormality in the conveyance of sh... | 03/28/2006 |
| 6955351 | Paper feeding device and sheet carrying device A paper feeding device comprises a document tray for loading the document, a document-detecting sensor for detecting the document loaded in the document tray and a MYLAR® made of a sheet-shaped resilience material. A part of the MYLAR® is in contact with the docum... | 10/18/2005 |
| 6913259 | Apparatus for detection of multiple documents in a document transport An apparatus for detection of multiple documents (10) in a document transport system comprises a transmitter (15), located on a first side of a document feed path (40), and emits a signal through the document feed path. A reflector (52), ... | 07/05/2005 |
| 6672587 | Multiple-sheet monitoring device In a multiple-sheet monitoring device for sheet-processing machines, provision is made to arrange a number of sensing elements spaced apart from one another over the format width of the sheets to be conveyed or the sheet stream to be conveyed, and in this... | 01/06/2004 |
| 6651980 | Sheet conveying apparatus with correction device to compensate for sheet interval variation A sheet conveying apparatus permits keeping predetermined sheet intervals, even when sheet conveyance is temporarily discontinued and then resumed, after resumption of conveyance. The sheet conveying apparatus has a first roller which feeds sheets at pred... | 11/25/2003 |
| 6283471 | Method and device for controlling sheet feed to a sheet-processing machine A method of controlling sheet feed to a sheet-processing machine, wherein sheets are separated from a pile, conveyed onto a table, brought individually into contact with alignment lays for leading edges of the sheets, and conveyed onward therefrom individ... | 09/04/2001 |
| 6247695 | Multiple zone stack height sensor for high capacity feeder A stack height assembly consisting of two transmissive sensors and two flags, the stack height of a feeder module can be set to three different levels depending on the weight of the media. This "optimization" of the stack height to address the media's fai... | 06/19/2001 |
| 6224053 | Method and device for verifying the correct transport of sheet material employing a mechanical touch sensor A dispensing device employs a mechanical touch sensor. The mechanical touch sensor includes a touching level with a magnet that generates a magnetic field and a Hall generator that interacts with the magnetic field to generate an output corresponding to a... | 05/01/2001 |
| 6089566 | Sheet supply and transfer device for printers presumable of sheet size for pinch rollers In the device for automatically controlling the position of a pair of pinch rollers for pressing opposite side edge portions of a sheet delivered from a printing portion of a printer at a surface thereof bearing a print image according to a detection of t... | 07/18/2000 |
| 5938192 | Sheet accommodating apparatus and sheet binding apparatus A sheet accommodating apparatus includes sheet accommodating means for accommodating one by one sheets fed thereto; aligning means for aligning the sheets; sheet interval detecting means for detecting interval time or distance between adjacent sheets; and... | 08/17/1999 |
| 5931462 | Method of sheet rotation and a sheet stacker with a sheet rotator To produce a desired sheet orientation between upstream and downstream positions of a sheet path along which sheets travel successively in a predetermined sheet travel direction, each sheet is driven uniformly along the path with an intermediate phase in ... | 08/03/1999 |
| 5918877 | Cut sheet feeding device having a function of detecting a skew of the sheet to be fed A cut sheet feeding device having a function of detecting a skew of the sheet to be fed is incorporated in an image reader, a printing apparatus, etc. The cut sheet feeding device is capable of surely detecting the skew of a document without an operator v... | 07/06/1999 |
| 5662321 | Automatic document feeder with skew control The disclosed document feeder apparatus includes a document drive that comprises only a single line of feed rollers with a simple skew adjustment system. This drive is shown incorporated in a cassette-loaded automatic document feeder ("ADF") that is attac... | 09/02/1997 |
| 5533721 | Supply/conveyance mechanism for sheets of paper A sheet supply/conveyance mechanism for sheets includes a hopper for accommodating a stack of plural sheets, a conveyer for picking up the sheets from the hopper and conveying the sheets in an advancing direction along a path, two detectors for optically ... | 07/09/1996 |
| 5507481 | Automated teller machine passbook transport mechanism A passbook transport and handling apparatus (10) for transporting a passbook between a customer using an automated banking machine and a printer (12) located inside the banking machine includes first belt flights (32) movable on first pulleys (22). The tr... | 04/16/1996 |
| 5407191 | Device for conveying sheets one by one Endless drive belts are provided in a spaced-apart relation to each other such that one endless driven belt is set in contact with one of these drive belts and the other endless driven belt is set in contact with the other drive belt. The one drive belt i... | 04/18/1995 |
| 5390908 | Device and method for detecting and gripping sheets A measurement device for detecting the presence of a sheet is disclosed. A paper sheet processing machine has front lays with stop surfaces at which the leading edges of paper sheets are aligned. The paper sheets are accelerated by pre-grippers to a speed... | 02/21/1995 |
| 5174562 | Paper sheet handling apparatus Two thickness detectors (5) each for outputting an electric signal representing the thickness of a paper sheet (B) passing thereby are arranged side by side in the width direction of a paper sheet conveyance path (3). Parameters such as paper sheet thickn... | 12/29/1992 |
| 5094442 | Translating electronic registration system Position registration of sheets in a feed path is achieved without guides or gates. Laterally separated drive rolls are speed controlled to correct for skew mispositioning. Lateral registration is achieved by translation of the drive rolls transversely to... | 03/10/1992 |
| 5076566 | Self-calibrating system for detecting media movement by using capacitors as sensors A sheet movement detection system for apparatus having a sheet feed path includes a first capacitor sensor including a first pair of parallel plate members located in opposing relation on opposite sides of the feed path plane at an upstream position and s... | 12/31/1991 |
| 5035415 | System for detecting the accurate positioning of sheets along a feed path by using capacitors as sensors An improved sheet-position detection system for apparatus having a sheet feed path and a use location(s). The position detection system includes a first capacitive sensor including a first pair of parallel plate members located in opposing relation on opp... | 07/30/1991 |
| 4971304 | Apparatus and method for combined deskewing and side registering A method and apparatus for an improved active sheet registration system which provides deskewing and registration of sheets along a paper path in X, Y and .THETA. directions. Sheet drivers are independently controllable to selectively provide differential... | 11/20/1990 |
| 4944505 | Sheet length detector with skew compensation A sheet length detector with skew compensation for use in apparatus for batching and counting currency, food stamps or the like. Sheets are advanced past a pair of sheet sensors which are disposed at transversely spaced locations on the feed path on eithe... | 07/31/1990 |
| 4738442 | Device for monitoring sheet transport in a feeder of a printing machine A device for monitoring sheet transport at sheet feeders for printing machines includes at least one photo-sensor disposed above at each side, respectively, of the sheet feeder, apparatus for providing adjustable positioning of said photo-sensors in space... | 04/19/1988 |
| 4736940 | Apparatus for aligning an opening of a sack Apparatus for aligning a sack disposed at the leading end of a series of shingled sacks, which have been unwound from a roll of shingled sacks and which have openings at their leading ends. The sack is aligned by transversely spaced gripping rollers that ... | 04/12/1988 |
| 4734868 | Precision paper transport system A novel closed loop direct position feedback control method and recording apparatus for producing on a recording medium a plurality of successive print lines or otherwise component images. An appendant demarcation device provide for the proper abutting an... | 03/29/1988 |
| 4630813 | Method of and device for detecting displacement of paper sheets A displacement detection device which detects the displacement of a paper sheet in transit in a paper sheet sorter that picks up and transports the paper sheet such as the bank-notes. The displacement detection device includes photo sensors which detect t... | 12/23/1986 |
| 4602778 | Copying machine equipped with a correction apparatus for draft A copying machine which takes copies of a draft sheet by slit exposure while it is being conveyed. This copying machine includes a draft correction apparatus. This draft correction apparatus is provided with holding bars attached to a copying machine body... | 07/29/1986 |
| 4462588 | Apparatus for regulating the cutting plane of a strip A strip conveyor transports a strip by the edge thereof with a guide clip, the ends of which are coupled to chains of the conveyor. Sensors are arranged at a position where the clip becomes disengaged from the conveyor, and upon both ends of the clips rea... | 07/31/1984 |