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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7270493 | Printer A printer capable of printing with high quality by driving the drive motor according to information about a drive current to be applied to a drive motor of a platen roller to feed the printing medium, each of which has the information. Accordingly, the printer compr... | 09/18/2007 |
| 6938972 | Method and apparatus for increasing inkjet printing speed In an inkjet printer there is a trade off between speed and quality. Higher speed can be achieved at the expense of quality as inkjet droplets deposited are distorted in shape and or placement position if the relative velocity between the inkjet nozzles and the prin... | 09/06/2005 |
| 6179419 | Belt driven media handling system with feedback control for improving media advance accuracy A media handling system having an endless belt which carries a media sheet through a print zone achieves improved media advance accuracy by including closed loop feedback control. The position of either a drive shaft which rotates the endless belt or the ... | 01/30/2001 |
| 5702191 | Sheet feeding force control in a multiple input path sheet feeding apparatus A sheet feeding apparatus includes a conveyor for applying a conveying force to a sheet, a first guide for guiding the sheet to which the conveying force is applied from the conveyor, a second guide for guiding the sheet guided by the first guide along a ... | 12/30/1997 |
| 5423620 | Conveyance apparatus for a continuous form printed by a printing machine Conveyance apparatus for a continuous form having sprocket holes on both sides thereof provided in a high-speed printing system, comprised of a printing machine and an after-treatment machine, including: a constant-speed conveyance roller for feeding the ... | 06/13/1995 |
| 5325114 | Thermal printing postage meter system The thermal printing postage meter includes a base supporting a registration wall and a deck, and a thermal print head mounted to the registration wall above a portion of the deck to define a print station. A position sensing assembly is provided for sens... | 06/28/1994 |
| 5226742 | Electrically powered paper stacking apparatus and method for impact printers and the like Method, apparatus, system and circuitry for controlling the paper motion and accumulation at the output of a high speed impact printer or the like. The preferred embodiment includes means for providing stepped motion paper drive at the output of the print... | 07/13/1993 |
| 5204692 | Thermal transfer recording apparatus with the ink sheet conveyed, before recording, in a different direction and by a fractional amount relative to that by which the recording medium is conveyed There is disclosed a thermal transfer recording apparatus for image recording by ink transfer from an ink sheet, in which the thermal head is energized in divided manner in plural blocks, and the recording sheet and the ink sheet are so transported as to ... | 04/20/1993 |
| 5200761 | Thermal printing apparatus A thermal printer comprises a thermal head having a plurality of heating elements arranged in line in the horizontal direction, a printing data processing circuit responsive to input video signal for energizing the heating elements of the thermal head in ... | 04/06/1993 |
| 5147143 | Printer carriage homing mechanism A printer which includes a position controller for moving a printing head to a predetermined initial position by driving a stepping motor during initial processing operation, and a current controller for supplying a second current to the stepping motor to... | 09/15/1992 |
| 5105363 | Servo means for document-transport Servo methods and apparatus whereby unit-record documents are transported past a process-station according to one of several "velocity-profiles", depending upon document type and/or condition, the methods involving: using a microprocessor whereby the docu... | 04/14/1992 |
| 5099290 | Continuous paper printer with monitoring time period in which the paper feed speed is lower than when printing A continuous-paper electrophotographic printer prevents the printed paper from being either scorched or needlessly paid out during periods when printing is halted to enable receipt of a next batch of printing data. This is accomplished by reducing the pap... | 03/24/1992 |
| 5078518 | Thermal variable speed vertical and horizontal bar code printer A printing apparatus comprises a step motor for feeding paper in a paper feed direction, an interface for inputting printing data including bar code data, an image buffer for storing bit image data representing at least first and second bar codes which co... | 01/07/1992 |
| 4990930 | High speed thermal printing apparatus A continuous-tone thermal printer includes a transport mechanism for advancing a print medium past a thermal print head while continuous-tone image information is being printed, line-by-line, on the medium. To increase the rate at which thermal prints are... | 02/05/1991 |
| 4909649 | Thermal transfer recording apparatus A thermal transfer recording apparatus wherein it comprises a power transmitting device for transmitting power from a driving motor of the apparatus to a platen roller of the apparatus, which device can change rotational speed of the platen roller to rota... | 03/20/1990 |
| 4909149 | Document counter and endorser Apparatus for counting and endorsing documents in which a motor drives respective pairs of feed rollers to move documents along a feed path from an input location and along the feed path to an output location. Movement of an endorser adjacent to the feed ... | 03/20/1990 |
| 4774525 | Thermal transfer type multicolor printer A thermal transfer type multicolor printer including: a frame; a sprocket wheel, rotatably mounted to the frame, for feeding a printing paper, having feeding holes, in one of both a forward direction and a reverse direction in a selective manner, the spro... | 09/27/1988 |
| 4732501 | Method and apparatus for loading of a web into a printer A method and apparatus for loading a web into a printer is disclosed. The apparatus has a normal mode for moving the web in normal operation and a load assist mode for operating at a slower than normal rate for loading the web into the printer. The printe... | 03/22/1988 |
| 4707706 | Thermal color recording apparatus A thermal recording apparatus including a thermal head provided with a plurality of heating elements each having a predetermined value of resolution in a feed direction of a recording paper sheet, and a printer control circuit having first and second feed... | 11/17/1987 |
| 4683479 | Thermal printer A thermal printer includes a thermal head having n heating elements arranged at a preset pitch D1 in a line, a memory including a first memory area storing a plurality of high speed printing character data each column of which is composed of n-bit data an... | 07/28/1987 |
| 4667208 | Control system for a color printer In a control system for a thermal transfer color printer capable of color print, first and second sensors for detecting a printing paper are disposed before and after a platen roller for carrying the printing paper, so that when the printing paper is carr... | 05/19/1987 |
| 4558965 | Printing apparatus controlling advancement of printing paper, actuation of a hammer, and advancement of an ink ribbon A printing apparatus comprises a type wheel carrying a plurality of type elements and a platen for mounting and advancing a printing paper. A hammer can strike any one of the type elements against the printing paper and an ink ribbon is positionable betwe... | 12/17/1985 |
| 4544287 | Printing control apparatus for a label printer, method of using the apparatus, and a label used in conjunction with the apparatus Printing control apparatus includes structure for selectively preventing the operation of a thermal head comprising part of a label printer for thermosensitive labels. The thermal head can be moved away from and into contact with a label to limit its oper... | 10/01/1985 |
| 4538933 | Paper feeding apparatus in a printer A paper feeding apparatus in a printer, wherein a sheet of paper placed on a rotary support member is fed by a predetermined distance through a corresponding angle of rotation of a drive motor which is energized by a drive circuit under control of a contr... | 09/03/1985 |
| 4510506 | Recording apparatus A recording apparatus in which recording is made several times each line in a partitioning manner part after part on each recording line for which there exists picture data to be printed. The system determines whether there exists picture data to be print... | 04/09/1985 |
| 4261039 | Microprocessor controlled positioning system A microprocessor controlled printer includes a forms feed assembly, a dot matrix print assembly, a ribbon drive assembly and a number of emitter assemblies associated with the foregoing to provide positional information during operation of the printer whi... | 04/07/1981 |
| 4228396 | Electronic tachometer and combined brushless motor commutation and tachometer system An electronic tachometer utilizes a transducer, typically an optical encoder disc, connected to a movable mechanical element. The transducer produces a pair of triangular waves of fixed relative phase, each having slopes proportional to the velocity of th... | 10/14/1980 |
| 4066941 | Motor drive control arrangements A motor drive system for driving a motor according to a predetermined motor speed curve in which a predetermined count of pulses of constant time increment is utilized to produce an output signal characteristic of an increment of motor movement. In additi... | 01/03/1978 |
| 4044228 | Electronic calculator with printer There is provided an electronic calculator with a printer which is capable of feeding any desired number of lines of a recording medium by keeping the operation execution instructin key depressed, thereby to realize both improvement of operability and eli... | 08/23/1977 |
