| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 430019000 | ERASABLE IMAGING | 12 |
| 20080311489 | INKLESS REIMAGEABLE PRINTING PAPER AND METHOD - An image forming medium includes a substrate and an imaging layer coated on or impregnated into a substrate, where the imaging layer is formed of an imaging composition that includes a solvent or a polymeric binder, and a photochromic material selected from substituted fulgides and substituted dithienylethenes, dissolved or dispersed in the solvent or polymeric binder, and where the imaging composition exhibits a reversible homogeneous-heterogeneous transition between a colorless state, an intermediate colorless or colored erasable state, and a final colored stable state, the photochromic material converting from the colorless state to the colored stable state upon irradiation with light of a first wavelength and converting from the colored stable state to the colorless state upon exposure to heat and light. | 12-18-2008 |
| 20080311490 | INKLESS REIMAGEABLE PRINTING PAPER AND METHOD - An image forming medium includes a substrate and an imaging layer coated on or impregnated into said substrate, where the imaging layer includes a photochromic material dispersed in an ionomer, optionally with an additional polymeric binder, and where the photochromic material exhibits a reversible transition between a colorless state and a colored state in response to heat and optional light. | 12-18-2008 |
| 20080311491 | INKLESS REIMAGEABLE PRINTING PAPER AND METHOD - An image forming medium includes a substrate, and an imaging layer coated on or impregnated into the substrate, wherein the imaging layer includes a photochromic ploymer, optionally dispersed in a polymeric binder or a phase change binder, the photochromic polymer including a polymer having at least one photochromic unit grafted therein, wherein the imaging layer exhibits a reversible transition between a colorless state and a colored state in response to heat and light and wherein the imaging layer does not exhibit a transition from the colored state to colorless state when heated in the absence of light. | 12-18-2008 |
| 20080311492 | INKLESS REIMAGEABLE PRINTING PAPER AND METHOD - An image forming medium includes a substrate and an imaging layer coated on or impregnated into the substrate, where the imaging layer includes a photobase generator and a coupling agent. In the image forming medium, irradiation of the imaging layer cause the photobase generator to generate a base that reacts with the coupling agent to produce an image. | 12-18-2008 |
| 20080311493 | INKLESS REIMAGEABLE PRINTING PAPER AND METHOD - An image forming medium includes a substrate and an imaging layer coated on or inpregnated into said substrate, where the imaging layer includes a photochromic material and an optional intermolecular hydrogen bond stabilizer, dispersed in a polymeric binder, where the photochromic material reversibly forms intramolecular hydrogen bonds or reversibly forms intermolecular hydrogen bonds with the intermolecular hydrogen bond stabilizer, and thereby exhibits a reversible transition between a colorless state and a colored state in response to heat and light. | 12-18-2008 |
| 20080311494 | INKLESS REIMAGEABLE PRINTING PAPER AND METHOD - An image forming medium includes a paper substrate and an imaging layer coated on or impregnated into a paper substrate, where the imaging layer is formed of an imaging composition that includes an alkoxy substituted diarylethene photochromic material dissolved or dispersed in a solvent or polymeric binder, and where the imaging composition exhibits a reversible transition between a colorless and a colored state. | 12-18-2008 |
| 20080311495 | PHOTOCHROMIC MATERIAL, INKLESS REIMAGEABLE PRINTING PAPER, AND METHODS - An image forming medium includes a substrate and an imaging layer coated on or impregnated into said substrate, where the imaging layer includes as a photochromic material a spiropyran compound having a conjugated pathway, dispersed in a polymeric binder, wherein the photochromic material exhibits a reversible transition between a colorless state and a colored state in response to heat and light. | 12-18-2008 |
| 20100233597 | METHOD FOR SCHEDULING TRANSIENT DOCUMENT ERASE CYCLE - A method of handling documents which can be imaged and erased comprises entry of a scheduled time which a device such as a multipurpose imager and eraser has a low probability of being used. At the scheduled time, erasure of transient documents to be erased is initiated. A transient document to be erased is transported from a first transient document storage area to an erasure area where it is erased, then transported to a second, erased transient document storage area. Upon receipt of a user interrupt during the scheduled erasure, any partially erased transient document is returned to the first transient document storage area for later erasure. The method thus allows for more efficient use of equipment resources, for example in an office environment. | 09-16-2010 |
| 20100323286 | IMAGE ERASING APPARATUS AND METHOD OF CARRYING RECORDING MEDIUM IN IMAGE ERASING APPARATUS - An image erasing apparatus includes a recording medium height sensor sensing the height of recording mediums stacked on a discharge tray, a discharge tray lifting and lowering mechanism lifting and lowering the discharge tray, a shifting mechanism shifting and discharging the recording mediums, and a controller controlling a discharging operation so that the height of recording mediums on the discharge tray is equal to a desired height on the basis of the output of the recording medium height sensor. | 12-23-2010 |
| 20100323287 | IMAGE ERASING APPARATUS AND IMAGE ERASING METHOD - An image erasing apparatus includes a stacking tray stacking the recording medium, a heater heating the recording medium to a temperature equal to or higher than the temperature at which developer on the recording medium is erased, a detector disposed downstream in a recording medium carrying direction from the heater to detect an image on the recording medium, a recording medium carrying mechanism picking up the recording medium, from the stacking tray sheet by sheet and carrying the picked-up recording medium, a storage box storing the image-erased recording medium by size, a lateral aligning mechanism disposed in the storage box so as to align the recording medium in the lateral direction, and a controller controlling the alignment operation of the lateral aligning mechanism. | 12-23-2010 |
| 20110294052 | METHOD FOR ERASING IMAGE - According to one embodiment, a method for erasing an image includes erasing an image formed using a toner containing at least a binder resin, an electron donating color developable agent, and an electron accepting color developing agent by heating for 10 seconds or less. A color difference ΔE between a region where the image is erased and a paper is 5 or less. | 12-01-2011 |
| 20140099574 | IMAGE PROCESSING METHOD, AND IMAGE PROCESSOR - The present invention provides an image processing method which includes any one of recording an image on a thermally reversible recording medium that can reversibly change any one of its transparency and color tone depending on temperature by irradiating and heating the thermally reversible recording medium with a laser beam, and erasing the image recorded on the thermally reversible recording medium by heating the thermally reversible recording medium, wherein in any one of the image recording and the image erasing, the thermally reversible recording medium is located at a position farther than a focal position of the laser beam, and at least any one of the image recording and the image erasing is performed. | 04-10-2014 |
