Celebrity Inventors
Actress Jamie Lee Curtis is a patented inventor - she created a diaper equipped with a premoistened baby wipe. And that's no act!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5873306 | Self-compensating tensioner A self-compensating tensioner, particularly a self-compensating tensioner for use in a folder of a web offset printing press, includes a plurality of rollers designed to tension tapes. Each roller is mounted on a tensioner arm. The tensioner arms are moun... | 02/23/1999 |
| 5797690 | Printer and method of adjusting print density A printer in which print densities of print heads can be adjusted simply and rapidly and set to have an optimum impact force, and a method of adjusting a print density are provided. Concretely, print density patterns which can be set at regular steps towa... | 08/25/1998 |
| 5649773 | Shuttle matrix line printer with print head service diagnostic and method A dot matrix line printer includes a counter that counts a number of print actions performed by each of a plurality of print actuators. The accumulated number of print actions can be compared to a reference number of print actions representative of a usef... | 07/22/1997 |
| 5466077 | Split bushing mounting of a printer carriage with pre-load A molded plastic printer carriage mountable in the printer on a slider rod uses a pair of spaced sintered bronze bushings and a spring biased preload pad intermediate the bushings which engages the slider rod to compensate for and minimize rocking of the ... | 11/14/1995 |
| 5348404 | Split bushing mounting of a printer carriage with pre-load A molded plastic printer carriage mountable in the printer on a slider rod uses a pair of spaced sintered bronze bushings and a spring biased preload pad intermediate the bushings which engages the slider rod to compensate for and minimize rocking of the ... | 09/20/1994 |
| 5332321 | Two line contact bushing mounting of a plotter carriage with pre-load A molded plastic printer carriage mountable in the printer on a pair of slider rods uses a pair of spaced front bushings and single rear bushing positioned on a line intermediate the two front bushings. The rear bushing is eccentricly spring biased in a d... | 07/26/1994 |
| 5074684 | Dot printer device having a control unit to print horizontal lines A dot printer device is disclosed, in which in order to print a horizontal ruled line, paper feed data for placing the head pin of a printing head at a predetermined position on a printing paper, dot pin data indicative of a dot pin specified on the basis... | 12/24/1991 |
| 4930101 | Microprocessor-controlled meter package for a printer In a line printer, an integrated meter package developing a clock incorporates a microprocessor receiving a line printed signal, power on voltage, and a preset ribbon exhaust count in order to compute in reference to the clock, and selectively display on ... | 05/29/1990 |
| 4894614 | Apparatus for measuring the center-to-center distance between point wires of print solenoids A center-to-center distance measuring device for measuring the exact spacing between print solenoids. The devie uses a test block having a top surface and a bottom surface which are parallel. The top surface has first and second bevel surfaces which are p... | 01/16/1990 |
| 4878072 | LED age correction means An aging correction system for an LED array in a printer, in which each LED can be energized during a variable time and in which a light sensor, with which the relative light-output of each LED can be measured and compared with earlier measured values, is... | 10/31/1989 |
| 4865475 | Printer adjusting the print hammer position for precise printing A printer, which can adjust the attached position of the print hammer without a device specifically provided for the position-adjustment, is provided with an adjustment mode in addition to a normal printing mode. In the adjustment mode, a predetermined ty... | 09/12/1989 |
| 4818129 | Method for correcting bidirectional printing alignment of a serial dot printer In a method for operating a serial dot matrix printer having a print head that is reciprocated along a first direction and stopped for performing bi-directional printing on a medium that is moved in a second direction orthogonal to the first direction, co... | 04/04/1989 |
| 4799071 | Dot printer with age compensation means A dot printer apparatus having a recording head with a plurality of recording elements such as LED's, etc. Counting means is provided to count the number of prior activations of each recording element during a past production run. In one embodiment, the r... | 01/17/1989 |
| 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 |
| 4664543 | Device for monitoring and compensating for changes in the flight time of the print hammers of impact printers A device for monitoring and compensating for changes in the flight time of the print hammers of impact printers is disclosed. The flight time of the respectively monitored hammer is calculated from the elapsed time between the moment of firing of a hammer... | 05/12/1987 |
| 4318625 | Stepper motor load tuning A method is provided for adjusting to an original predetermined value the natural frequency of the carrier load of a processor controlled stepper motor driving said carrier through a belt and pulley arrangement. The adjustment is performed by having the m... | 03/09/1982 |
| 4209260 | Wire matrix print head having reversible wire drive armatures to allow wire wear compensation A wire matrix print head having print wires subject to wear at their printing ends are biased by return springs against one side of one end of armatures, the other sides of which bear against a gap adjusting ring. The other end of each of the armatures is... | 06/24/1980 |
| 4000801 | Print wire attachment An improved means for attaching print wires in a wire matrix print head mechanism is disclosed which enables the use of brittle wire materials having long wear life, such as tungsten carbide, to be attached to a moving armature in a manner which eliminate... | 01/04/1977 |
| 3951249 | Drive for the movable portion of a printer A tape driving device in which the tape is helically wound around an axially displaceable cylinder. On rotation of the cylinder one end of the tape is taken up and the other is unwound at the same angle with respect to the cylinder. A remote guide roller ... | 04/20/1976 |
