In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7337936 | Continuous paper transporting mechanism and printing apparatus having the same A printing apparatus having a mechanism for transporting continuous paper includes: a frictionally transporting section for frictionally transporting the continuous paper; a paper braking section provided on an upstream side of the frictionally transporting section;... | 03/04/2008 |
| 7284922 | Label printer A label printer has an on-board peeling mechanism that easily replaces label paper and removing paper jams with limited space for opening and closing the printer. The label printer has a printing mechanism for printing labels while conveying label paper having a plu... | 10/23/2007 |
| 7223033 | Pinch control in a printer A pinch control apparatus in a printer for controlling a pinch force exerted on a medium which is being fed into a printing zone is provided. The pinch control apparatus includes a camshaft rotatably mounted across a width of the medium, at least one cam attached to... | 05/29/2007 |
| 7220071 | Apparatus and method for handling linerless label tape An apparatus for printing on a continuous web of linerless tape defined by a print side for subsequent application to an article. In one embodiment, the apparatus includes a support for a continuous web of linerless tape; an undriven platen roller located downstream... | 05/22/2007 |
| 7217049 | Supplying media to a wallpaper printer The invention provides a method of supplying a media web to a wallpaper printer. The method involves opening a reusable case and placing into the case a core onto which has been located a supply roll of blank wallpaper media. The core is supported for rotation withi... | 05/15/2007 |
| 7168654 | Media cartridge for wallpaper printer A media cartridge is constructed as a case in which a roll of blank media may be deployed for supplying a wallpaper printer. The case has two halves, hinged together. An area between the two halves, when they are closed, defines a media supply slot. The case has int... | 01/30/2007 |
| 7024995 | Continuous media printer with downstream drying A continuous media printer has a printer mechanism that prints on one or both surface of continuous print media. A media conveyor conveys media past the printer mechanism and includes rollers downstream of the printer mechanism. The rollers are located at a sufficie... | 04/11/2006 |
| 7014604 | Paper machine roll cover A paper machine roll cover surface layer has a mixture of an elastomeric material and HDPE particles. The HDPE particles have surface modification to improve roll cover performance. ... | 03/21/2006 |
| 6918865 | Roll cover A paper machine roll cover surface layer has a mixture of an elastomeric material and between about 10 phr and about 24 phr UHMWPE particles. ... | 07/19/2005 |
| 6712463 | Recording apparatus A recording apparatus has a sheet conveyor and platen provided with plural extrusions for supporting the sheet material in the recording area, the plural extrusions being arranged perpendicular to the conveying direction of the sheet material at designated intervals... | 03/30/2004 |
| 6695503 | Print media feed system for an imaging apparatus A print media feed system for advancing a sheet of print media having a leading edge and a trailing edge in a sheet feed direction through a print zone in an imaging apparatus includes a rotating support positioned downstream of an exit roller in relation... | 02/24/2004 |
| 6676315 | Printing and delivery device for label tags In a device for printing and delivering semi-rigid tag-type labels (5) to packaging and sealing machines a feed means has a finger (13) translationally moved to and fro, which during the working stroke grasps behind a shoulder of the respective label and ... | 01/13/2004 |
| 6652173 | Ticket dispensing mechanism A ticket dispensing mechanism (40) includes a drive (42) receiving sheet material (24) from a supply (22). The drive advances the sheet material. A printer (48) prints ticket information on the sheet material as it is advanced by the drive thereby to form... | 11/25/2003 |
| 6505981 | Printer with label separator Setting plain paper in a printer which can print on plain paper and a label paper is facilitated using a printer capable of printing a recording medium including a base sheet and at least one label sheet detachably adhered thereon. The printer includes a ... | 01/14/2003 |
| 6474886 | Color printer and method of feeding paper by tension rollers In the present invention, the recording paper is conveyed by a feed roller to plural recording portions sequentially, and each recording portion successively prints each specific color on the recording paper while applying tension to the paper. The tensio... | 11/05/2002 |
| 6471351 | Ink jet recording apparatus and recording method therefor An ink jet recording apparatus, which records a image on a recording medium using a recording head provided with a plurality of ink discharge ports, includes a rotative platen having a plurality of supporting pieces arranged at predetermined intervals; a ... | 10/29/2002 |
| 6454476 | Apparatus and method for picking and feeding print media sheets An apparatus and method for picking and feeding a single sheet from a stack. A pick roller and a retard roller are held together in a pick assembly, and positioned so that the pick roller is in contact with the top surface of the top sheet and adjacent a ... | 09/24/2002 |
| 6340254 | Image forming apparatus with an impelling roller to be pressed against a platen roller An image forming apparatus of the present invention is provided with a platen roller, a head capable of being pressed against the platen roller and forming an image onto a recording medium, a first impelling member impelling so as to press the head agains... | 01/22/2002 |
| 6293669 | Ink jet recording apparatus An ink jet recording apparatus which performs recording on a recording medium using an ink jet recording head comprises an ink jet recording area where ink jet recording is performed, a conveyance route where the recording medium is conveyed in the ink je... | 09/25/2001 |
| 6238113 | Media feed apparatus for imaging system A media supply cassette is disclosed for use in an imaging system for processing a web of imageable media. The media supply cassette includes a first roller and a second roller for providing a nip through which the media exits the supply cassette through ... | 05/29/2001 |
| 6155728 | Printer A type printer in which deterioration of a platen is prevented by distributing positions of impacts on the platen by a printing head over the whole region of peripheral surface of a cylindrical platen. The drive shafts of a paper feed roller, platen, and ... | 12/05/2000 |
| 6126343 | Printing medium feeding apparatus using a specialized conveyor belt to control the printing medium tensioning A printing medium feeding apparatus comprises a conveying belt, on which a roll-shaped printing medium is placed with the lower surface of the roll being in contact therewith to unwind the outer periphery of the roll. With the arrangement, setup of the ro... | 10/03/2000 |
| 5649776 | Paper discharge apparatus A paper discharge apparatus ensures guiding of paper to be discharged to smoothly perform a paper discharging operation. The paper discharge apparatus ensures guiding of the paper toward paper discharge means when the paper to be discharged to a discharge... | 07/22/1997 |
| 5459504 | Thermal printer The heat transfer ribbon can be held by a heat transfer ribbon feed roller and a heat transfer ribbon pinch roller and can be fed in the direction opposite to the normal feeding direction for printing and also effectively used even if there appears a larg... | 10/17/1995 |
| 5255989 | Printer device with a thermal print head Printer device with a thermal print head (70), the print line (71) of which is resiliently pressed against a transport roller (45), which, driven by a motor, transports material to be imprinted (50, 51). Profiled guides (42, 46) form a first feed track fo... | 10/26/1993 |
| 5218380 | Platen drag mechanism for thermal printers A continuous tone themal printing apparatus of the type having a printing station and a receiver paper drive station. The drive station repeatedly advances receiver paper back and forth through the printing station in conjunction with the advance of succe... | 06/08/1993 |
| 5197812 | High accuracy vacuum belt and pinch roller media transport mechanism A media transport mechanism including a high accuracy vacuum belt used in conjunction with a pinch roller assembly. The media transport mechanism includes a vacuum belt supportably wrapped around two sprocket assemblies and a plenum and disposed in facing... | 03/30/1993 |
| 5174669 | Label separating device in label printer According to the present invention, there is used a conveyance roller for the conveyance of a pasteboard with labels; a separating member is disposed on a downstream side from a pasteboard conveyance path with respect to a printing head which holds the pa... | 12/29/1992 |
| 5158380 | Apparatus for the transport of paper in printers Apparatus for the selectably alternative feeding of single sheets and of endless webs of paper in a printer includes a guide roll (7), and first and second groups (8, 9) of friction rollers concurrently movable between first and second positions to define... | 10/27/1992 |
| 5153736 | Toggling sheet transport and registration system A scanner has a frame assembly containing a carriage movably mounted in the frame assembly for scanning movement in a scanning path in a first direction along the length of the frame assembly from a home position to an end of scan position, the frame asse... | 10/06/1992 |
| 5138341 | Plotter with drive rollers having variable radial contact surfaces A plotter wherein, while a sheet is being moved on a recording surface, figures, characters etc. are automatically depicted on the surface of the sheet, or the contours of figures, characters etc. are automatically cut in the surface of the sheet. In the ... | 08/11/1992 |
| 5129749 | Line printer with pinch roller release The line printer is provided with a pinch roller for feeding a spring medium sheet by capstan drive. The pinch roller is pressed by an integrated pressing mechanism comprised of a spring holder, a pressing spring member disposed in the holder and a bearin... | 07/14/1992 |
| 5110227 | Color printer A color printer according to the present invention includes a clutch means, an urging member and a positional alignment mechanism. The clutch means is used for engaging and disengaging a driving force used to move a paper holder means. The urging member (... | 05/05/1992 |
| 5080514 | Pin-feed apparatus for recording systems The present invention provides a pin-feed apparatus suitable for use in a recording system, including pin-wheels adapted to operatively engage perforations on a sheet to be carried through the recording system, at least one of the pin-wheels being adjusta... | 01/14/1992 |
| 5062722 | Thermal printer with reciprocal paper feed control A thermal printer comprises a pair of fixed frames for rotatably supporting a platen which is rotated by a motor and a head unit rotatably supported by the fixed frames through a pair of movable frames and for supporting a thermal head. A pair of pinch ro... | 11/05/1991 |
| 5049900 | Knurled roller film transport and realted method An apparatus is provided for scanning a photographic film or the like with a laser beam. The apparatus includes a roll source or cassette of film to be supplied and used and a take-up cassette to receive the exposed film in the form of a roll. Between the... | 09/17/1991 |
| 4999649 | Sheet conveying device for recording apparatus The device includes a record paper conveying device which rotates around a record paper carrier body to convey a paper sheet around the carrier body by gripping the leading edge of the paper sheet. In this arrangement, the carrier body, against which a re... | 03/12/1991 |
| 4971467 | Printer In a printer for printing information onto a recording medium, rotation of a platen in a normal direction causes the recording medium to be transported in a normal-feed direction. Rotation of the platen in a reverse direction causes the recording medium t... | 11/20/1990 |
| 4968164 | Printing assembly, adapted for reduction of its operational sound level A printing assembly which is adapted for printing on a print medium in a m of a sheet or tape includes a printing cylinder on which is wound and urged the print medium during a printing operation. A printing device prints on the print medium and urges it... | 11/06/1990 |
| 4894668 | Recorder having means for supporting the entire width of a continuous recording medium A recorder comprises a recording device housing for housing recording device for making a record on a continuous record medium at a record position, and a device for supporting the weight of the record medium over its entire width upstream of a pinch posi... | 01/16/1990 |