"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 6543353 | Method for monitoring a strip of fabric The tension in a moving web of material is measuring using a measuring roller or cylinder. This tension is repeatedly compared to a threshold value. If the measured value deviates from the threshold value beyond a certain amount, this is used as an indica... | 04/08/2003 |
| 5228789 | Inked ribbon device for line printers An adaptation of an inked ribbon cassette to printers of higher printing speed is achieved where a supply spool is used as inked ribbon storage. Furthermore, the problem of an environmentally proper disposal of used inked ribbon cassettes is solved. At le... | 07/20/1993 |
| 5181465 | Ribbon guide system for a line printer A printer apparatus has a frame member supporting an endless revolving type band in alignment with a row of print hammers with a gap therebetween. Ribbon spools with ribbon wound thereon are rotatably supported in spool housings at either end and on oppos... | 01/26/1993 |
| 4963043 | Printer A pivotally journalled ink ribbon cassette and an ink ribbon fork are coupled to the carriage of a printing head and arranged so as to be displaceable transversely to the line direction, in a simple manner such that both a multi-color and a single-color m... | 10/16/1990 |
| 4880323 | High-symbol density printer cartridge having a flexible exit arm, gear shield and support spacers A shuttle matrix printer cartridge has a housing for storing the ribbon, an exit arm, an entrance arm spaced from the exit arm and a drive mechanism for removing ribbon from the storage chamber through the exit arm into position for printing between a pri... | 11/14/1989 |
| 4826334 | Endless loop ribbon cassette with ordered storage An endless loop ribbon cassette wherein the storage of a ribbon in a ribbon cassette is effected by a belt assembly which causes the ribbon to move along a generally linear path substantially corresponding to one dimension of a storage cavity. This effect... | 05/02/1989 |
| 4801215 | Ramp ribbon cartridge A ramp ribbon cartridge adapted for ramp mounting of a ribbon in a printer device which comprises a cartridge housing having a first end and a second end, a ribbon stored in and extending from the cartridge housing and on which a printing head makes a pri... | 01/31/1989 |
| 4661003 | Bidirectional color printing apparatus A color printer for effecting impression of images on a paper bidirectionally along a print line, using plural bi-color ribbons or a single multi-color ribbon, so as to provide plural color portions of different colors. The printer comprises plural print ... | 04/28/1987 |
| 4589789 | Ribbon storage and transport mechanism Inked ribbon storage and transport mechanism for electronic printers for economical ribbon positioning and inversion.... | 05/20/1986 |
| 4572683 | Structure for mounting an ink ribbon cassette on a printer carriage A combination of a printing head supporting carriage in a printer, and an ink ribbon cassette adapted for mounting on the carriage at an angle thereto and having a recess in which a printing head can be positioned. The cassette has at least one positionin... | 02/25/1986 |
| 4543001 | Serial printer with dot matrix type print head A dot matrix type serial printer wherein a print medium is printed with indicia such as letters, characters, symbols, or the like by selectively driving a number of print elements while moving a print head having the print elements in a direction of a pri... | 09/24/1985 |
| 4493572 | Long-life inked-ribbon cassette A long-life inking cassette is provided wherein an inkable ribbon is pumped into a ribbon storage zone by a pair of textured nip rollers. The ribbon is drawn from storage, rotated 180°, re-inked, and passed at an angle and under tension past a print head... | 01/15/1985 |
| 4484825 | Transport system for a dot matrix printing mechanism A transport system for a dot matrix printing mechanism including an improved overall design for the transport system and improved designs for individual elements of the system and combinations of elements. The overall design of the present invention uses ... | 11/27/1984 |
| 4452136 | Printer subsystem with dual cooperating microprocessors A printer subsystem is interconnected with a host system from which it receives command and data information and to which it provides status information. The printer subsystem has two microprocessors, one of which communicates with the host system for tra... | 06/05/1984 |
| 4426168 | Serial impact printer for multicolor printing A serial impact printer capable of performing multicolor printing at high speed. In this printer an inked ribbon divided into multiple colored bands each along the longitudinal direction thereof is arranged to extend and move in a direction intersecting t... | 01/17/1984 |
| 4397574 | Reloadable ribbon cassette A ribbon cassette is fastened on one side of a printer and is operator reloadable. The endless ribbon is loaded in coil form and is driven from the cassette in a path past the printing station of the printer and back into the cassette where it assumes a r... | 08/09/1983 |
| 4350451 | Slidably positionable cartridge having skewed ribbon feed An inked ribbon winding device and an inked ribbon cartridge for use in a printing apparatus. A dispensing and a takeup spool, located closely together and at different elevations in the cartridge, establish a skewed angle of the ribbon traversing the ext... | 09/21/1982 |
| 4297043 | Impact printer inclined ribbon scanner A high-speed printer, such as a daisy wheel printer, utilizes a carriage which transports a printing font, such as a daisy wheel, laterally along a print line adjacent a paper-supporting platen. An ink ribbon is supported on the machine frame rather than ... | 10/27/1981 |
| 4257282 | Transport system for a dot matrix printing mechanism A transport system for a dot matrix printing mechanism including an improved overall design for the transport system and improved designs for individual elements of the system and combinations of elements. The overall design of the present invention uses ... | 03/24/1981 |
| 4231290 | Multiple head marking device A multiple imprint transfer tape marking device, which will imprint a multiplicity of imprint surfaces, substantially simultaneously. The imprint marking device includes a plurality of laterally aligned, individually powered marker heads which are adjustably p... | 11/04/1980 |
| 4209261 | Ribbon cassette for oblique ribbon feeding An operator changeable and disposable ribbon cassette of molded plastic serves as a protective guard and as a part of the cabinetry on a printer and has a built-in tear-off edge for paper. The ribbon, ribbon guides and ribbon drive rollers are angled at t... | 06/24/1980 |
| 4165191 | Web feed, web cutting and ribbon feed means for a stationery mosaic printer This invention is concerned with a mosaic printer, for example, of the needle print head type which comprises a stationary print head and means for feeding an article, for example a web of paper to be printed, in a direction orthogonal to a row of print d... | 08/21/1979 |
| 4114750 | Printer system having local control for dynamically alterable printing A printer system having local control for dynamically positioning a print head relative to a print medium utilizing positioning and print data signal inputs, including a control unit for receiving and storing data inputs, the control unit including circui... | 09/19/1978 |
| 4110050 | Print ribbon handler A print ribbon handler for an impact type printer maintains the ribbon at a constant slant angle from the horizontal. A ribbon guide surface having threaded grooves is provided to guide the ribbon up and down at a constant vertical rate of change with res... | 08/29/1978 |
| 4011934 | Ink ribbon and pivotable high speed printing device movable from printing to non-printing position An ink ribbon arrangement for a high speed printer, wherein the printer has a printing device which is movable in a given direction with respect to a recording medium. The ink ribbon comprises a pair of spools, and ribbon guides for guiding the ribbon bet... | 03/15/1977 |
| 3989132 | Ribbon storage and transport mechanism The object of the invention is to provide a means of circulating inked ribbon into and out of a cartridge where it has been stored as a compact mass of ribbon folds. Means must be provided to prevent this mass of ribbon from jamming the exit port and form... | 11/02/1976 |