Quotables
"Without question, the greatest invention in the history of mankind is beer. Oh, I grant you that the wheel was also a fine invention, but the wheel does not go nearly as well with pizza."
Dave Barry
PatentStorm News
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 |
| 4853712 | Sheet feed system for conpact printer A sheet feed and transport system for a compact printer features an idler gear which is coupled to rotate with the drive train from the platen motor to the platen and which is selectively movable into engagement with a sheet feed roller's drive gear.... | 08/01/1989 |
| 4853713 | Compact printer having improved sheet cassette An improved sheet supply cassette for a compact printer of the kind having a housing, a sheet feed assembly for moving a sheet from a sheet supply region to, and through, a print zone and a device for printing on sheet media at the print zone. The sheet s... | 08/01/1989 |
| 4847635 | Large copy sheet feeding system A feed system for large copy sheets to feed such sheets through a copying machine, such as a white print, blue print or other copying machine, a computer printing machine, a pen plotter of other vector plotter, or raster plotter, or a printing machine. A ... | 07/11/1989 |
| 4841307 | Fluid jet applicator apparatus Fluid jet printing apparatus having a fluid jet printhead and a pair of substrate positioning rolls for moving the substrate between a position below the printhead for printing on the substrate and a position removed from the printhead enabling access to ... | 06/20/1989 |
| 4839674 | Recorder-medium registration system In a recorder, at least one set of marks spaced by a predetermined distance in a feed direction of a record paper are recorded on the record paper, the marks are detected by a detector while the record paper is fed, a time interval between detections of t... | 06/13/1989 |
| 4821049 | Substrate transport apparatus, especially for mail handling A substrate transport apparatus includes a registration member and an apparatus for compliantly urging a substrate against the registration member such that the effects of thickness variations of and between each substrate transported past the registratio... | 04/11/1989 |
| 4811038 | Ink jet printing system and drum therefore An ink jet printing system has a low aspect ratio cylindrical drum adapted to support a sheet of material to be printed by a computer controlled printing head of a plurality of pigmented inks. The drum is preferably of approximately the same diameter as i... | 03/07/1989 |
| 4783669 | Compact printer with cassette-drawer sheet feeder A sheet supply station for a compact printer of the type having a housing, a feed/transport member which is rotatably mounted within a forward portion of the housing and is adapted to sequentially move sheets from a supply location at the bottom of the ho... | 11/08/1988 |
| 4769652 | Method and apparatus for handling sheet materials An ink jet printer with a continuous supply of sheet material from a spool contained within an imaging drum. The sheet material is withdrawn from the interior of the drum by a pair of rollers carried by the drum and removably connected to an external driv... | 09/06/1988 |
| 4761665 | High speed print/cartridge printer/feeder A high-speed ink jet printing apparatus adapted for use with a plurality of insertable print/cartridges and having a platen for transporting successive line portions of a print medium through a linear print zone, includes a carriage with a plurality of ne... | 08/02/1988 |
| 4761664 | Print media handling system for compact printer with traversing, multiple print head carriage Printer apparatus of the kind having: (i) print/cartridges for printing on successive line sectors of print media that are advanced into and out of the print zone; (ii) a platen means including a feed/transport periphery that is movable around an endless ... | 08/02/1988 |
| 4751527 | Ink-jet typeprinter having means to prevent image degradation In a printer (10) in which a plurality of holes to be filled with ink are formed in an ink film (108), selectively heating ink generates bubbles from the holes and ejects ink due to the pressure of bubbles, thus printing an image on a sheet. The printer i... | 06/14/1988 |
| 4739346 | Drive system and method for ink jet printer For requirements where constant velocity is important and positional error must be small and non-cumulative, a bipolar or unipolar, two-phase, permanent magnet stepper motor is driven by sawtooth currents in such manner as to produce a rotating magnetic f... | 04/19/1988 |
| 4737804 | Copying apparatus A copying apparatus is provided with image reading device for reading image information on an original as image element signals, indicating device for indicating the area of the original to be masked in the scanning area of the original by the image readi... | 04/12/1988 |
| 4729557 | Sheet feed device A sheet feed device applicable to a recorder such as an ink jet printer or a thermal printer has feed rollers mounted on the same shaft in a spaced relationship and platen blocks mounted in spaces between the feed rollers. A sheet fed along the feed rolle... | 03/08/1988 |
| 4727437 | Recording apparatus with recording medium length sensors A recording apparatus includes recording means for recording information on a continuous recording medium at a recording position; means for supplying the recording medium to the recording position and delivering it from the recording position; first dete... | 02/23/1988 |
| 4721968 | Ink jet transparency-mode recorder A process for recording an image by depositing droplets of a recording liquid onto a light-transmitting recording material is provided which comprises depositing at least two droplets of a recording liquid of the same color per image element onto the reco... | 01/26/1988 |
| 4707712 | Method and apparatus for transporting and tensioning sheet materials in an ink jet printer An ink jet printer in which a roll of paper is stored within an imaging drum and feeds through a longitudinal opening in the drum to the outside, passes around the drum, where it is held in place during the imaging process, and then ejected from the drum ... | 11/17/1987 |
| 4707704 | Control system and method for handling sheet materials An ink jet printer with a roll of paper stored within an imaging drum. The paper through a longitudinal opening in the drum to the outside, passes around the drum, where it is held in place during the imaging process, and then ejected from the drum to the... | 11/17/1987 |
| 4680596 | Method and apparatus for controlling ink-jet color printing heads Method and apparatus are provided for controlling a group of ink-jet printing heads to selectively apply (or not apply) dots of one color and of substantially fixed size in random dot pattern arrangements to dot positions of a plurality of pixel areas loc... | 07/14/1987 |
| 4668960 | Recording apparatus with dual-purpose guide A recording apparatus comprises recording means for effecting recording on one surface of a recording medium, means for feeding the recording medium, a housing for containing the recording means and the feeding means therein, and means provided at a posit... | 05/26/1987 |
| 4651173 | Continuous-form recorder having decrumpling means for removing creases in the form A recorder for recording on a continuous form, perforated, recording sheet includes a first roller disposed upstream of the recording position for feeding the continuous form to the recording position, press roller means for pressing the continuous form a... | 03/17/1987 |
| 4644372 | Ink jet printer A printer which utilizes a charge controlled ink jet head is disclosed. A platen and its surrounding parts will be marred if the ink jet head is operated when there is no paper around the platen. Thus, the detection of a paper is of importance, and accord... | 02/17/1987 |
| 4622561 | Image forming method for dot matrix printer An image forming method for a color dot matrix printer prevents image quality from being deteriorated at the boundary between two nearby image areas which are developed by consecutive main scans. A paper is fed in a subscan direction by an amount which is... | 11/11/1986 |
| 4591281 | Sheet-feed mechanism for rotary print head A sheet-feed mechanism (10) for a rotary print head (12) includes a track (16) that defines a paper path in the form of a partial circular annulus. Belts (40 and 42) carry tabs (36, 38, 72, and 74) that support the lower end of a paper sheet, and movement... | 05/27/1986 |
| 4581618 | Recorder having paper feed mechanism A recorder comprises first drive means for feeding a record paper to a stand-by position, second drive means for feeding the record paper from the stand-by position to a record position, and transport means for retracting a retainer which retains the reco... | 04/08/1986 |
| 4547786 | Ink jet printing system An ink jet printing system suited to the making of large scale graphics, such as outdoor billboards, includes an endless carrier for moving a plurality of rigid flat panels, onto which a graphic is to be printed in sections, repetitively past an ink jet p... | 10/15/1985 |
| 4538161 | Apparatus for addressing newspapers, journals and other printed products A conveying device directs printed products past a stationarily arranged ink jet printer. A control system initiates a printing operation by the printer each time a printed product passes through the effective printing zone or region of the printer. The c... | 08/27/1985 |
| 4496257 | Transport roller for a record carrier in a printer A transport roller for a record carrier in a printer, for example, an ink jet printer, is composed of at least two laterally adjoining, hollow, cylindrical roller sections. Each roller section is connected to its hub by means of at least one carrier porti... | 01/29/1985 |
| 4475128 | Image recording apparatus An image recording apparatus capable of recording images on both faces of a recording sheet by a combination of image reading devices for reading both faces of the original in reciprocating scanning motion and recording devices for image recording on both... | 10/02/1984 |
| 4463361 | Ink jet recording apparatus with vacuum platen A recording apparatus includes a stationary suction member having a number of openings disposed opposite to recording device. Through the openings a suction force is applied to a recording paper to keep the paper in close contact with the stationary sucti... | 07/31/1984 |
| 4453841 | Duplex printing system and method therefor A print system for duplex printing a plurality of document page images on a plurality of copy sheets includes means for storing print control information which defines the document images. An ink jet printer prints the page images on copy sheets as they a... | 06/12/1984 |
| 4447817 | Constant velocity copy sheet transport with ink jet printing A constant velocity transport (CVT) is disclosed for use with a marking apparatus such as an ink jet printing system. The transport utilizes vacuum hold-down plenums to convey sheets to and away from the printing zone of the marking apparatus and a sheet-... | 05/08/1984 |
| 4442439 | Ink jet printing apparatus An electrostatic type ink jet printing apparatus, wherein a charger activated by a direct current source is disposed close to the surface of the recording paper conveying drum or belt in order to charge the surface of the drum or belt inversely to the pol... | 04/10/1984 |
| 4435718 | Ink drop printing system An ink drop printing system for use as part of a duplicator. Sheets which are to be printed by the printing system are fed from one or another of two separate paper supplies and delivered along downwardly converging delivery paths toward a common receptio... | 03/06/1984 |
| 4401991 | Variable resolution, single array, interlace ink jet printer Multiple-resolution, interlace, ink-jet printing is accomplished pseudo a single array with multiple nozzles by assuming a psuedo pel (picture element) spacing k' between the nozzles. The ratio between the old resolution and the new resolution is k'/k whe... | 08/30/1983 |
| 4370665 | Paper transport for a printer test unit A paper transport simulates movement of a plurality of documents past the print station of a ink jet printer. The transport includes an arrangement for transporting a continuous paper web past the print station and a tachometer drive roller for contacting... | 01/25/1983 |
| 4275968 | System for controlling and sequencing a printer Printer having a sheet feed and drum transport assembly and an array transport assembly, these assemblies having critical operating parameters whose profile is measured during a nonprinting cycle executed for that purpose. These critical operating paramet... | 06/30/1981 |
| 4268841 | Image recording method and apparatus therefor A recording medium is directed onto a cyclically moving support cylinder and information is recorded on the recording medium as it is sucked onto the support cylinder, whereafter upon termination of the recording, the suction force is controlled to permit... | 05/19/1981 |
| 4249187 | Ink jet printer with deflected nozzles The inventive ink jet printing system is driven from a repertoire data storage medium such as perforated tape or cards, magnetic tape or cards, or the like, on which the stored data may be changed, updated, increased or decreased, or deleted in whole or i... | 02/03/1981 |
