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| Number | Title | Issue Date |
| 7367729 | Printer within a computer keyboard A printer is disposed within a housing of a keyboard. The keyboard housing has an upper side bearing a plurality of keypads arranged to interact with a keyboard circuit board located within the housing. A print media entry slot formed through a first side of the hou... | 05/06/2008 |
| 7028613 | Method of seamless printing on clothing and articles made therefrom A method of printing design seamlessly on clothing, and clothing obtained thereby are provided. The method includes steps of placing a cylindrical cover around a print cylinder, placing a print medium, on which a design is printed, around the cylindrical cover, plac... | 04/18/2006 |
| 7024130 | Rotating body, cooling apparatus that cools a rotating body, and image forming apparatus that uses a rotating body and a cooling apparatus A cooling apparatus cools a rotating body in an image forming apparatus. The cooling apparatus includes a hollow cylindrical rotating body rotating about a longitudinal axis, a cooling section, and a drive source. The cooling section is located outside of the rotati... | 04/04/2006 |
| 6976423 | Seamless printing device A printing device for seamless printing on a cloth is provided. A design is transferred from a print medium to the cloth. The device includes a print cylinder and a heater heating the print cylinder. The print medium is wrapped around the print cylinder, and the clo... | 12/20/2005 |
| 6919912 | Method of registering the position of a ribbon moving at a constant angular velocity and detecting the amount of the ribbon used in a photo printer A method of registering the position of a ribbon by moving the ribbon with a constant angular velocity and detecting the amount of ribbon used in a photo printer. The ribbon includes dye regions each having several dye frames, and black bar regions each prior to a d... | 07/19/2005 |
| 6203222 | Printer head device and printer image processing system having the same A head for a printer and an image processing system is provided in which light emitted from light emitting elements formed on a substrate of the head does not leak from pinholes of a non-corresponding light emitting elements and does not interfere with li... | 03/20/2001 |
| 6174095 | Printer for large format printing A single pass printer, having a printing width (PW) is provided or printing a toner image on a substrate, the substrate having a width (WS) and a length (LS), wherein, i) a number n, equal to or larger than 2, of printing engines, each containing a toner ... | 01/16/2001 |
| 6074112 | Printer for large format printing A single pass printer, having a printing width (PW) is provided for printing a toner image on a substrate, the substrate having a width (WS) and a length (LS), wherein, i) a number n, equal to or larger than 2, of printing engines, each containing a toner... | 06/13/2000 |
| 5788382 | Imaging drum An imaging drum assembly is disclosed and which includes an inner substantially cylindrically shaped sleeve, the inner sleeve having an outwardly facing surface, and an inwardly facing surface, and wherein the inwardly facing surface has a plurality of sp... | 08/04/1998 |
| 5325113 | Resistive sheet thermal transfer printer A resistive sheet thermal transfer printer includes a printing head having m (m is an integer) recording electrodes and a common electrode both-in contact with a resistance layer of an ink sheet, the m recording electrodes being arranged in a line, and be... | 06/28/1994 |
| 5048983 | Electrographic typewriter An electrophotographic typewriter comprises a housing on which are mounted an alphanumeric keyboard, a flat-plane display unit, a paper feed tray and a paper output tray. A paper feed path is routed through an electrographic print unit, located in the hou... | 09/17/1991 |
| 5005993 | Electrothermal printer with a resistive ink ribbon and differing resistance current return paths In an electrothermal printer with a resistive ink ribbon, ink ribbon is fed in a predetermined direction and is contacted with a recording electrode and first and second return electrode which are located upstream and downstream of the predetermined direc... | 04/09/1991 |
| 4925121 | Sensing amount of medium and medium roll malfunction in a printer An optical detector senses the teeth on a wheel rotating with an unwinding roll of medium in a printer and provides a signal which is used to count the sensed teeth to measure the rotation of the roll. When a predetermined proportion of a rotation is comp... | 05/15/1990 |
| 4810111 | Resistive ribbon thermal transfer printing apparatus A resistive ribbon thermal transfer printing apparatus produces two kinds of electric pulses for selectively energizing recording electrodes of a printing head according to a data to be printed. A first electric pulse (normal pulse) is applied to a record... | 03/07/1989 |
| 4798483 | Electrothermal printing apparatus with electrodes usable as current supply or return In an electrothermal printing apparatus, conventionally, the printing head is provided with a plurality of printing electrodes and a single common return path forming element (GND) to selectively and locally heat ink on the ink ribbon. To reduce power los... | 01/17/1989 |
| 4776715 | Head rotating mechanism for a printer A recording head of a current application type serial printer is provided with two independent recording electrode groups on both sides of its tip. The angle of contact of the recording head with a platen of the printer is switched between a forward print... | 10/11/1988 |
| 4775252 | Thermal printhead actuator responsive to carriage drive and including a four bar linkage and spring A thermal printhead, which is pivotally mounted on a carrier, is moved into and out of its printing position by a four bar linkage, which is responsive to the direction in which the carrier is being advanced, rendering a spring, which urges the thermal pr... | 10/04/1988 |
| 4775578 | Colored ink ribbon of electrothermal transfer type for thermal printers The invention provides an electrothermal hot-melt type thermal transfer ink ribbon having a multi-layered structure used in thermal printers having a multi-stylus electrode head. Different from conventional ink ribbons of such a type composed of an electr... | 10/04/1988 |
| 4758847 | Electrothermal printer An electrothermal printer having a print head provided with a plurality of wire electrodes, an ink ribbon, and a heating ribbon separate from the ink ribbon. The heating ribbon is in the form of a layer of material which is a poor conductor of electricity... | 07/19/1988 |
| 4740092 | Printhead shifting for wear distribution Wear on the elements (5) of a printhead (3) is spread by shifting the region of use of the printhead line by line. Font (13) provides information as to whether any character in a line employs the upper three pels or the bottom three pels of a line. For ea... | 04/26/1988 |
| 4577983 | Color-on-demand ribbon printing This printing apparatus and technique incorporates a color transfer station to impart a desired color to a fusible ink layer on a ribbon. The color transfer station is located between a supply reel providing the ribbon for printing, and the location where... | 03/25/1986 |
| 4557616 | Resistive ribbon thermal transfer printing system and process A technique and structure for resistive ribbon thermal transfer printing including a separate resistive ribbon and transfer ribbon therefor is illustrated. The resistive ribbon is used only for the generation of heat and is placed in contact with a separa... | 12/10/1985 |
| 4545693 | Drive for thermal printing lift-off correction Ribbon (22) in thermal printing has an outer layer which adheres to printed characters at intermediate temperatures, lower than printing temperatures. The printhead (7) has a column of electrodes (9) which sweep across the character area. Lift-off is acco... | 10/08/1985 |
| 4460676 | Non-impact single and multi-ply printing method and apparatus Method and apparatus are described for non-impact printing of single and multi-ply business form assemblies, utilizing an electromagnetic radiation reactant chemical mixture which is selectively coated in one or more plies of the assemblies causing the pl... | 07/17/1984 |
| 4408908 | Ribbon feed system for a matrix printer A ribbon feed system for a matrix printer utilizes metering rollers located on the printhead carrier to maintain a substantially zero ribbon velocity relative to the receiving medium with an on-carrier ribbon feed. By coordinating roller rotation with car... | 10/11/1983 |
| 4396308 | Ribbon guiding for thermal lift-off correction In thermal printing the guide (29) positionable toward the platen (3) on a pivoted arm (50) during lift-off correction allows a bond for correction to set before the ribbon (22) is pulled away. The ribbon (22) has an outer layer which adheres to printed c... | 08/02/1983 |
| 4390297 | Method and apparatus for correction of non-impact printing A method and apparatus for correction of non-impact printed material which is formed by depositing a thermoplastic marking material on the print sheet. The method and apparatus uses a correction tape or ribbon comprising a substrate which carries a pressu... | 06/28/1983 |
| 4384797 | Single laminated element for thermal printing and lift-off correction, control therefor, and process A ribbon (22) in thermal printing has an outer layer (50) which adheres to printed characters at somewhat elevated temperatures but is non-tacky at room temperatures. The embodiment has an active layer of an ethylene vinyl acetate copolymer, an acrylic po... | 05/24/1983 |
| 4359748 | Device and method of non impact printing A device for non impact printing of alpha-numeric characters on a sheet of normal paper, wherein an electrically conducting carrier is covered with an inking substance which is transferred to the paper by means of electrical pulses. The inked carrier is m... | 11/16/1982 |
| 4350449 | Resistive ribbon printing apparatus and method A printing apparatus and method employs a print head comprising a plurality of aligned printing electrodes. The print head is movable relative to a ribbon comprising a resistive layer, a conductive layer, and a layer of thermally transferrable ink to prov... | 09/21/1982 |
| 4345845 | Drive circuit for thermal printer An electrode drive configuration for a resistive ribbon thermal printer utilizes as a feedback a monitored signal representative of an internal ribbon voltage at the print point. A monitoring contact is preferably located on the opposite side of the print... | 08/24/1982 |
| 4329071 | Current collector for resistive ribbon printers For an electro-thermal printer of the kind that uses a ribbon having a central conducting layer that is covered on one surface by a resistive layer that receives electrical printing currents and on the other surface by a thermally transferrable ink layer,... | 05/11/1982 |
| 4329075 | Printhead assembly for typewriters or the like A printhead assembly for a typewriter of the kind that swipes a printhead along a ribbon in producing marks on a receiving medium, is mounted to pivot and includes a ribbon guide that serves to wrap the ribbon around the trailing side (for a forward print... | 05/11/1982 |
| 4326812 | Non impact printer The printer comprises electrodes arrayed in circumferential rings and rows parallel to the axis of a cylinder. This axis corresponds to the vertical direction of characters printed on a sheet of paper. The print cylinder is moved in the direction of a lin... | 04/27/1982 |
| 4321606 | Magnetic type printing process and multicopy magnetic printing machine A magnetic printing process and multicopy magnetic printing machine employing this process is disclosed. The machine comprises a magnetizable carrier 2, magnetic recording transducers 8, an applicator 10 for coating a developer product onto the carrier, a... | 03/23/1982 |
| 4236834 | Electrothermal printing apparatus Electrothermal printing apparatus includes a thin, planar, endless ribbon of electrically resistive material having a thin conductive layer on an outside surface thereof and a row of spaced-apart, conductive styli individually selectively coupleable to th... | 12/02/1980 |
| 4195937 | Electroresistive printing apparatus An electroresistive printing or writing system in which a long lasting balanced erosion rate electrode head is transported in relation to a front surface conducting writing receiver media held in a defined path between a resilient flat platen and a path r... | 04/01/1980 |
| 4195936 | Rotary printer and rotor structure This invention provides improved means for automatically retracting the styli away from the paper when the rotational speed of the rotor drops below a predetermined minimum level. Improved means also are provided for stably holding and accurately position... | 04/01/1980 |
| 4064982 | Printing ribbon An improved printing ribbon for use between a writing electrode and a permeable counterelectrode across which a pulse of predetermined magnitude and duration is applied. The material of the ribbon is such that it experiences multiple electric breakdowns c... | 12/27/1977 |
| 4056182 | Stylus actuator A printing stylus actuator comprising a stylus associated with an eccentric shaft which is actuated to move the stylus into and out of contact with a print medium. The eccentric shaft has its center of mass close to its axis of rotation so that when the s... | 11/01/1977 |
