Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 7357480 | System for independent translational motion on two axes using one motor A system for independent translational motion on two axes using one motor is described. In one configuration, a modified dual Scotch Yoke using slots resembling the letter J is utilized to drive both the maintenance station and ink jet head of a mailing machine.... | 04/15/2008 |
| 7331726 | Armature, wire dot printer head and wire dot printer In order to obtain joining force endurable for high-speed printing and realize an enhancement in magnetic characteristic, a plate-like arm for supporting a printing wire is laminated with a magnetic circuit forming member that is composed by laminating plural plates... | 02/19/2008 |
| 7329059 | Wire dot printer head and wire dot printer A wire dot printer head of the present invention has an armature that has an arm supporting a printing wire and pivotably provided at the position opposite to the core, and a coil spring that one end comes in contact with the arm for urging the armature in the direc... | 02/12/2008 |
| 7325987 | Printing method using quill-jet A system for depositing a material is described. The system uses at least one cantilever, and more typically a plurality of cantilever to transfer small amounts of material from a source of material to a substrate surface. One application for the system is a printin... | 02/05/2008 |
| 7314323 | Wire dot printer head and wire dot printer A wire dot printer head which has an armature spacer having plural notches accommodating support shafts of plural armatures respectively supporting a printing wire, and an abrasion preventive member provided between the armature spacer and a yoke holding the support... | 01/01/2008 |
| 7048455 | Wire dot printer head with abrasion having magnetic permeability and hardness surface In order to realize a stable rocking operation of the armature for performing high-speed printing, between the armature spacer for accommodating and holding the support shaft of the armature which supports the printing wires, and the yoke for holding the support sha... | 05/23/2006 |
| 7015624 | Non-uniform thickness electroactive device An electroactive device comprises at least two layers of material, wherein at least one layer is an electroactive material and wherein at least one layer is of non-uniform thickness. The device can be produced in various sizes, ranging from large structural actuator... | 03/21/2006 |
| 7008126 | Wire dot printer head and wire dot printer In the wire dot printer head and wire dot printer of the present invention, a plurality of armatures are rockably mounted in positions corresponding to a plurality of cores. On the end face on the core side of a wire, a plurality of receiving members are provided. A... | 03/07/2006 |
| 6934502 | Image formation apparatus An image formation apparatus includes a console that has a display consisting of a liquid crystal display, a start key, and ten keys. The console is integrated on the front side of a platen that is mounted on a main body of the image formation apparatus. The upper s... | 08/23/2005 |
| 6821035 | Line printer with staggered magnetics An impact printer with a hammerbank having print hammers retained by a permanent magnet for impacting a print ribbon, and a mechanical driver for moving the hammerbank across print media. First and second coils for each hammer are wrapped around first and second pol... | 11/23/2004 |
| 6805503 | Wire dot printer head and wire dot printer A wire dot printer head of the present invention is provided with an abrasion preventive member in a yoke. The abrasion preventive member encloses the outer periphery of the armature support shafts. The yoke, together with an armature spacer having a plurality of cu... | 10/19/2004 |
| 6759012 | Pin holder for a microarraying apparatus A pin holder for a microarraying apparatus comprising at least one group of bodies of circular cross-section packed together to form a network of pathways in gaps between the bodies; and an array of pins slidably arranged in the pathways. The pins are held in parall... | 07/06/2004 |
| 6695496 | Dot printer A dot printer not using any type, nor requiring any ink ribbon has an ink roller 1, a platen 2 having an outer surface coated with ink by contacting the ink roller 1, and a printing head 3 facing the platen 2 in an appropriately spaced apart relation ther... | 02/24/2004 |
| 6682233 | Supporting structure of an armature of a wire dot printer head In a wire dot printer head of the present invention, an armature is formed by coupling a magnetic circuit formation member having a supported piece with one end inserted into a cavity formed on a surface of a yoke to an arm coupled to a wire. The supporte... | 01/27/2004 |
| 6561707 | Needle printing head A needle printing head comprising a support (11) able to axially guide a plurality of printing needles (15), each of which has one end attached to a mobile armature (16) of a corresponding actuation electromagnet (17) having a ferromagnetic core (18) prov... | 05/13/2003 |
| 5846004 | Impact print head A construction of dot matrix print head is disclosed in which a plurality of body elements, each carrying print wire actuators, are arranged in stacked formation. The body elements and the arrangement of actuators is identical so that by offsetting the bo... | 12/08/1998 |
| 5841954 | Dot printers with width compression capabilities A printer for printing font and/or barcode character bars comprised of a plurality of rows in a direction of printing movement perpendicular to the character bars which are in turn comprised of a plurality of close adjacent dots to improve print quality a... | 11/24/1998 |
| 5726521 | Electromechanical actuator used in wire-dot printing head An electromechanical actuator has a stack composed of electromechanical elements, and an inactive element intervening in the stack to divide it into two sections. In a wire-dot printing head using the actuator, the stack sections are successively energize... | 03/10/1998 |
| 5560721 | Shuttle printer with shifting wire guides A shuttle printer has a flexible arm made of a resilient member, to which tip guides are fixed. Print wires driven by a plurality of piezoelectric actuators are supported by the flexible arm. Midway guides are provided to support and guide the intermediat... | 10/01/1996 |
| 5433538 | Wire guide in a wire dot print head A wire dot print head having long thin print wires capable of axially advancing and withdrawing with respect to a print surface, and a wire driving device connected to the proximal end of each of the print wires so as to drive the print wire to advance an... | 07/18/1995 |
| 5399032 | Print head having replaceable print elements for wire dot-matrix printer A print head for a wire dot-matrix printer includes an element base, and a plurality of print elements engaged with and supported by the element base. Each of the print elements includes a print wire, an actuator moving the print wire, and a base supporti... | 03/21/1995 |
| 5375935 | Printing head having backstop structure A printing head comprising a plurality of armatures which are arranged radially and which are swingable before and behind, an armature stopper having armature abutting portions of cantilever type provided in projection toward a center in a radial directio... | 12/27/1994 |
| 5370467 | Print head for dot matrix printer A print head for a dot matrix printer has a yoke having a plurality of cores, a plurality of armatures, each corresponding to the core, a plurality of knife edges is formed on the yoke, and a receiving corner is formed on the armature which engages the kn... | 12/06/1994 |
| 5365839 | Shuttle printer A shuttle printer having a print shuttle unit capable of reciprocating with a print head mounted thereon, and a balance shuttle unit capable of reciprocating to generate counterforce to momentum of the print shuttle unit. The shuttle printer includes a de... | 11/22/1994 |
| 5349903 | Printing head in wire-dot printer A printing head provided in a wire-dot printer includes a plurality of first wire pins arranged in accordance with a predetermined rule, ends of the first wire pins facing a printing plane, a first driving mechanism for reciprocating the first wire pins i... | 09/27/1994 |
| 5344243 | Head wire and manufacturing process thereof A head wire for use in a high-speed impact dot matrix printer head, having an elongated body, made of a high speed steel wire material or titanium alloy wire material. One end of the body is connectable to an armature of the printed head and a second end ... | 09/06/1994 |
| 5326180 | Arranging structure of print wire driving units utilized in a dot impact print head An arranging structure of print wire driving units in print head utilized in a shuttle printer is disclosed. In such structure, a plurality of head units U each of which comprises the row R1 and the row R2 of the print wire driving units 10a, 10b, are arr... | 07/05/1994 |
| 5322379 | Impact dot print head and printer including same A printer including an impact dot print head for driving a plurality of print wires mounted on the cantilevered end of print levers is provided. The print head includes a stopper positioned to be impacted by a print lever returning from a print position t... | 06/21/1994 |
| 5320441 | Wire-dot printer in which printing modes can be changed over from one to another Printing wires are able to be changed over from one to another by the movement of a printing head alone, thereby eliminating the need for a solenoid and simplifying the arrangement. The printing quality is improved by uniformly guiding the printing wires ... | 06/14/1994 |
| 5312194 | Printing head for printer A printing head for a printer comprises a plurality of armatures arranged radially, a drive section including a plurality of drive units which support outer ends of the respective armatures to swing the same, respectively, a plurality of needles engaged r... | 05/17/1994 |
| 5310271 | Solenoid actuator A print head has a solenoid driving means which employs a filler mixed with a lubricating oil to fix an exciting coil to the core. The filler prevents the layer winding from being shorted due to corrosion of the exciting coil and prevents mechanical abras... | 05/10/1994 |
| 5302035 | Method of driving wire-dot print head To suppress a secondary bound of a print wire of a dot matrix printer which may occur after a single dot or continuous dots are printed and also to prevent both density variation of printed characters and printing ghost from occurring, a braking pulse is ... | 04/12/1994 |
| 5292201 | Printing head of wire-dot impact printer A printing head including a plurality of impact printing wires constituting a dot matrix and a plurality of actuators for respectively and selectively driving the printing wires. Each actuator is constituted of a movable member to which the printing wire ... | 03/08/1994 |
| 5290113 | Wire dot printing head A spring charge type wire dot printing head includes front cores 35 and rear cores 36 that are disposed in circles. The front and rear cores are used in pairs, and either one of these paired cores is wound with a coil 39 or 40. Since the inductance of the... | 03/01/1994 |
| 5281037 | Wire dot print head and method for manufacturing same An improved wire dot print head for increased integrated density is provided. The wire dot print head includes a frame. A plurality of drive coils are mounted within the frame. A lever for driving print wires has a print wire mounted at one end and its ot... | 01/25/1994 |
| 5269610 | Armature design in a wire matrix printing head An impact wire-dot printing head comprising a frame (4, 15, 32); impact dot printing mechanisms, each comprising an armature (1) having an outer end pivotably supported by the frame means, an electric magnet for attracting the armature (1) an impact dot-w... | 12/14/1993 |
| 5261753 | Print head for dot matrix printers A print head for use in dot matrix printers for producing characters and symbols formed from dots. The print head is composed of a plurality of stylus actuator assemblies arranged one after the other in two interlocking rows and with all the styli level w... | 11/16/1993 |
| 5257868 | Printer head for printer In a printing head for a printer, forward end surfaces of respective outer and inner peripheral walls of a solenoid base and forward end faces of a plurality of respective core sections arranged between the inner and outer peripheral walls along a periphe... | 11/02/1993 |
| 5255988 | Printing head for use in wire impact dot printers having head cooling means A printing head for use in a wire impact dot printer comprising a cylindrical heat radiating member, core block and nose frame. The core block is inserted into the heat radiating member and hermetically joined thereto by a heat conductive resin material. ... | 10/26/1993 |
| 5228386 | Print hammer assembly for dot line printer In a print hammer assembly for a dot line printer, print pins are attached to the tip ends of print hammers alternately displaced toward left and right by a predetermined distance from a vertical center of the print hammer, wherein comb portions of a fron... | 07/20/1993 |
