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| Number | Title | Issue Date |
| 7039348 | Method for maintaining image on image and image on paper registration A method for repositioning a mark on a belt after an image on paper registration process, which includes printing a test pattern, measuring at least one test pattern parameter, detecting a mark on a belt and detecting at least one imaging error associated therewith,... | 05/02/2006 |
| 6993275 | Image position detecting method In an electrophotographic recording device, a multicolor toner image is formed by images in each color superimposed on one another. In order to detect image misalignment, image-forming units form a color registration detection pattern, and sensors detect the pattern... | 01/31/2006 |
| 6909516 | Two dimensional surface motion sensing system using registration marks and linear array sensor A simplified system for sensing the movement and/or position on both axes of a moving surface, such as a photoreceptor belt of a xerographic printer, or a sheet transport of an ink jet printer, utilizing a linear track of small and closely spaced “Z” shaped mark... | 06/21/2005 |
| 6903758 | Method for maintaining image squareness and image on image registration A method for preserving image squareness and image on image registration in a system having a plurality of imaging stations, each imaging station having an ROS. The method includes adjusting the target skew of a reference ROS within one of the plurality of imaging s... | 06/07/2005 |
| 6404448 | Color-image forming apparatus with write start position setter A sub-scanning position of a laser beam is detected as an analog signal by a sub-scanning position detection sensor, and is then converted into a digital signal by an A/D converter. The signal is converted into a digital value (a detection result) having ... | 06/11/2002 |
| 5418556 | Method and apparatus for registering multiple images in a color xerographic system A method and apparatus is provided for registration of color images on a photoreceptor belt. Registration is accomplished by forming, in one embodiment, a chevron-shaped registration marks in non-image areas of the belt. A Raster Output Scanner (ROS) swee... | 05/23/1995 |
| 5016026 | Load recording rope thimble A thimble (10) for the eye (4) of a rope (2) is provided with a sleeve (40) which receives the pin (32) of a shackle (30) and a bar (42) which attaches this sleeve to the inside wall of the thimble. The load in this beam is measured and recorded by means ... | 05/14/1991 |
| 3950759 | Portable instrument for recording electrical load current and operating duration Self-contained portable recording instrument is particularly useful at field sites for recording the magnitude of both welding current and operating duration. A second embodiment is adapted to record the magnitude of welding current, voltage and operating... | 04/13/1976 |
