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| Number | Title | Issue Date |
| 5757397 | Recovery mechanism and ink jet recording apparatus equipped therewith An ink jet printing apparatus has a carrier that mounts a print head for movement between a printing region and a non-printing region by rotation of a lead screw. A cap in the non-printing region has two adjacent chambers and is moved between a contact po... | 05/26/1998 |
| 5508722 | Ink jet apparatus and method for detecting ink nondischarge based on ink temperature If one page of recording is terminated, a carriage moves to a position at which a recording head is located opposite a cap. Then, the ink is discharged through nozzles of the recording head onto temperature detecting element within the cap. Temperature ch... | 04/16/1996 |
| 5485179 | Ink-jet recording apparatus and temperature control method therefor An ink-jet recording apparatus for discharging an ink droplet from a recording head to perform recording includes a heating element array for heating the recording head, a temperature sensor for measuring an ambient temperature, a timer for measuring a ti... | 01/16/1996 |
| 5479199 | Print area radiant heater for ink-jet printer An ink-jet printer having improved print quality and full color printing capability on plain paper media. A radiant print heater heats the medium at the print area to increase the ink carrier evaporation rate. The heater includes a wire heating element pl... | 12/26/1995 |
| 5451986 | Image formation device having photoconductive ink based ink sheet reconditioning A thermal transfer type image formation device employs a new regeneration method for reconditioning ink sheets employed in the thermal inking process. The ink sheet has a transparent base layer, which also serves as a dielectric layer, an ink layer and a ... | 09/19/1995 |
| 5450100 | Thermal transfer recording method and apparatus for reducing ink sheet and recording medium consumption A heat transfer recording method and apparatus for recording images onto a recording medium is realized by transferring ink contained in an ink sheet onto said recording medium. The apparatus comprises means for conveying the ink sheet in both the positiv... | 09/12/1995 |
| 5450102 | Recording apparatus with means for removing paper curl A recording apparatus has an apparatus body, a lid member openable and closable relative to the apparatus body, decurling means having a decurling member pivotably provided in the lid member and a guide member provided in the apparatus body, the decurling... | 09/12/1995 |
| 5446487 | Air evacuation system for ink-jet printer A color ink-jet printer having a heating and air evacuation system for evaporating ink carriers from the print medium after ink-jet printing. A medium advancement system advances the print medium from an input tray to the print zone. At the print zone, a ... | 08/29/1995 |
| 5436649 | Ink jet recording head having constituent members clamped together An ink jet head includes first and second members for constituting liquid passages by joining them together; and a clamp for applying a line pressure to one of the members. By using such a clamp, the pressing force can be concentrated in a line to provide... | 07/25/1995 |
| 5430471 | Liquid container, recording head using same and recording apparatus using same A liquid container includes a plurality of chambers, a liquid supply port provided in one of the chambers, an air vent provided in another one of the chambers and a continuous liquid supply material. Adjacent chambers are in fluid communication with each ... | 07/04/1995 |
| 5428384 | Heater blower system in a color ink-jet printer A color ink-jet printer having a heating blower system for evaporating ink carriers from the print medium after ink-jet printing. A preheat drive roller engages the medium and draws it to a print zone. The drive roller is heated and preheats the medium be... | 06/27/1995 |
| 5428375 | Multiple print head ink jet printer An ink jet printer for printing in a wide format includes a plurality of ink jet print heads for producing rows of regularly spaced apart ink jets. The print heads are supported and located by first and second print head carriages that are controllably mo... | 06/27/1995 |
| 5428378 | Ink jet recording device and head unit An ink jet recording device having a capability of detecting the life of an ink jet recording head. The ink jet recording device includes a size sensor for generating a paper size signal relating to a size of a printing paper; a detecting device for detec... | 06/27/1995 |
| 5422666 | Recording method in inkjet recording apparatus In a recording method for using an inkjet recording apparatus, multi-color image recording is performed by reducing a beading phenomenon generated between adjacent dots and preventing nonuniformity in density and bleeding. When the printing is performed o... | 06/06/1995 |
| 5422665 | Low-interference thermistor for a thermal ink jet printhead chip A thermal ink-jet printhead comprises a substrate having a plurality of heating elements defined thereon. A thermistor, disposed on the substrate, includes a conductor loop which does not encompass the heating elements on the substrate. The configuration ... | 06/06/1995 |
| 5420615 | Unitary body plotter pen A unitary plotter pen construction useful as a disposable plotter pen. A writing tube is provided centrally and at the front end of a unitary hard plastic body element that defines a writing tube nib; a housing for a soft plastic pressure equalization cha... | 05/30/1995 |
| 5418554 | Image recording apparatus with recording sheet and ink sheet width detection An image recording apparatus is improved by providing mounting section for mounting and conveying an ink sheet and a recording medium in good condition, discriminating devices for detecting and discriminating width sizes of the ink sheet and the recording... | 05/23/1995 |
| 5414454 | Slit nozzle tape for inkjet printhead Slits are cut in a nozzle tape and aligned with encapsulant beads on a printhead. The slits mechanically decouple portions of the tape stuck to the beads from a central portion of the tape stuck to a nozzle plate, and thereby prevent lifting of the tape o... | 05/09/1995 |
| 5412405 | Line thermal printer having power supply capacity matched to number of printing dots A line thermal printer has a line thermal head comprised of a plurality of physical blocks arranged in a line. Each physical block has a plurality of heat generation elements to which power is selectively supplied for dot printing a line. A driving circui... | 05/02/1995 |
| 5408256 | Refillable color ink jet cartridge and method for making said cartridge A refillable color ink jet cartridge and method for making same is described. The protective cap on the non-refillable Hewlett-Packard cartridge #51625A (used in printing devices such as the Hewlett-Packard Desk Writer C) and similar cartridges is removed... | 04/18/1995 |
| 5406316 | Airflow system for ink-jet printer An ink-jet printer having improved print quality and full color printing capability on plain paper media. A media advancing mechanism advances the print medium through a media path during print operations. Electrically energized heater elements heat a por... | 04/11/1995 |
| 5400067 | Foam insertion for an ink jet print head cartridge A method and apparatus for inserting a compressed foam block into a generally rectangular ink jet print head ink chamber. The foam is compressed in an insertion tool which includes a compression area and compression fingers extending therefrom. A block of... | 03/21/1995 |
| 5389957 | Ink jet head with contoured outlet surface An ink jet head includes a base member, a first member having recesses and coupled with the base member to form ink passages using the recesses and a second member integral with the first member and extending at an angle from an end of the first member, t... | 02/14/1995 |
| 5386222 | Ink jet recording system and recovery device used with same An ink jet recording system comprises an ink receiving member for receiving ink discharged from a recording head, an introducing device for directing the ink from the ink receiving member to a waste ink containing portion, and control structure, for contr... | 01/31/1995 |
| 5384587 | Multi-drop ink-jet recording method with compensation for image density non-uniformities After an ink-jet recording head with a plurality of discharging portions arranged is main-scanned in a direction perpendicular to the direction of the discharging portion arrangement to record a first image area, sub-scanning of the head is performed. Bef... | 01/24/1995 |
| 5376958 | Staggered pens in color thermal ink-jet printer A color ink jet printer including a print carriage movable along a carriage scan axis and a plurality of color producing ink jet printheads supported by the print carriage and offset relative to each other so that their nozzle arrays are non-overlapping a... | 12/27/1994 |
| 5374945 | Gray level printing using a thermal printhead A method for gray level printing using a thermal printhead which includes characterizing the paper to be printed, defining a line of a gray scale image using bitplane data sets, entering the first of the bitplane data sets into a shift register, transferr... | 12/20/1994 |
| 5371527 | Orificeless printhead for an ink jet printer An orificeless thin film printhead for an ink jet pen which comprises a substrate having a plurality of vortex activators thereon, and ink dispensing means located adjacent to the substrate for providing a thin layer of ink of a controlled thickness over ... | 12/06/1994 |
| 5371523 | Multiprint ink sheet recording apparatus A heat transfer recording apparatus for transferring the ink of an ink sheet to a recording medium to thereby effect recording of images one the recording medium has an ink sheet loading portion for loading the ink sheet therein, discriminating means for ... | 12/06/1994 |
| 5371528 | Liquid jet head with nonlinear liquid passages having a diverging portion A liquid jet head includes a heat generating element for producing a bubble to eject liquid from the head, a heat acting zone in which heat generated by the heat generating element produces a bubble in the liquid, a liquid supply passage adjacent the heat... | 12/06/1994 |
| 5369419 | Method and apparatus for marking a receiver media with specularly differentiated indicia In a thermal imaging printer system, a method and apparatus of marking the specularly reflective receiver media with indicia differing in specularity from the surface specularity of the media. In either transparent or opaque receiver media having a specul... | 11/29/1994 |
| 5369429 | Continuous ink refill system for disposable ink jet cartridges having a predetermined ink capacity A continuous ink refill system for an ink jet printer that uses disposable ink jet cartridges having a first predetermined ink capacity includes an ink reservoir that is external to a print carriage on which the disposable ink jet cartridges are mounted. ... | 11/29/1994 |
| 5367328 | Automatic ink refill system for disposable ink jet cartridges An ink refill system is provided for an ink jet printer having a print carriage that traverses across a print medium and is adapted to receive one or more ink jet cartridges. The ink refill system includes a disposable ink jet cartridge removably mountabl... | 11/22/1994 |
| 5367326 | Ink jet printer with selective nozzle priming and cleaning A pagewidth ink jet printer has a fixed, pagewidth printhead with a linear array of nozzles extending along its length and a movable cleaning and priming station adapted for movement parallel to and along the array of printhead nozzles. The cleaning and p... | 11/22/1994 |
| 5363123 | Cutter drive for a computer driven printer/plotter A cutter drive for a computer driven printer/plotter employs a cutter carriage which is separate from the printer carriage and which is attachable to and detachable from the printer carriage to be moved thereby without a separate cutter drive. Camming sur... | 11/08/1994 |
| 5359355 | Ink jet recording apparatus for recording with variable scanning speeds A recording head having a plurality of recording elements can operate in a first recording mode for recording a desired image by performing a single scan operation on a predetermined region on a recording medium, and a second recording mode for recording ... | 10/25/1994 |
| 5359356 | Collapsible jet-ink container assembly and method A collapsible ink container assembly (30) for mounting to a piercing barb assembly (62) of an jet ink printer apparatus (74). The ink container assembly (30) comprises a flexible bladder (32) having a perimetric edge portion (34) which defines a distensib... | 10/25/1994 |
| 5357269 | Electrical print head for thermal printer There is disclosed a multiple electrode print head for a thermal printer. The electrodes of the print head include metal-like conductive fibers electrically and physically isolated from each other in a relatively nonconductive matrix such as silicon. The ... | 10/18/1994 |
| 5357275 | Ink jet recording apparatus and pump mechanism for use therewith A pump mechanism of an ink jet recording apparatus comprises a pump having a suction portion for sucking from a sucked member, said pump switching between the suction and non-suction operation of the suction portion by a reciprocating motion of a piston w... | 10/18/1994 |
| 5353049 | Paper holder of video printer A paper holder assembly has an axle coaxially positionable to extend axially outwardly from axially opposite bases of a platen drum providing a circumferential outer surface disposed between the opposite bases, the axle has circumferential grooves termina... | 10/04/1994 |
