| Patent Number |
Title Of Patent |
Date Issued |
| 5454013 |
Amplitude modulation method and broadcasting apparatus for carrying out the method |
September 26, 1995 |
| An amplitude modulation system. An input analog signal indicating audio, etc., is converted into a digital form and the low-order bits of the resultant digital signal are converted into analog form. The resultant analog signal is used to control a gain of an analog controlled amplifier. |
| 5279885 |
Ink-jet recording sheet |
January 18, 1994 |
| This invention relates to a recording sheet for an ink jet printer comprising fibrous base material and a back-coating layer formed on the back surface of the base material, which characterized by that the base material contains a cationic polymer size (a), and the back-coating layer |
| 5180624 |
Ink jet recording paper |
January 19, 1993 |
| This invention concerns an ink jet recording paper characterized by comprising a base layer that contains an internal size, and an ink-receptive layer that is made out of a material having good affinity for inks, wherein the ink-receptive layer is superposed on either one or both sid |
| 5165973 |
Ink jet recording sheet |
November 24, 1992 |
| An ink jet recording sheet providing an image by the use of an aqueous ink containing a water-soluble dye comprises a substrate having thereon a specific ink receptive layer. This ink jet recording sheet has excellent properties under maintaining the paper-like figure and feeling of an |
| 4830911 |
Recording sheet for ink jet printers |
May 16, 1989 |
| This invention relates to a recording sheet for ink jet printers which gives an image by the use of an aqueous ink containing a water-soluble dye, coated or impregnated with either of or a mixture of two kinds of water-soluble polymers: one whose polymeric unit is alkylquaternaryammo |
| 4650714 |
Ink jet recording sheet |
March 17, 1987 |
| An ink jet recording sheet for overhead projection or blue copy comprising on a transparent or translucent support an ink-absorbing layer which is made by coating an organic solvent which contains a denatured polyethylene oxide being soluble in the organic solvent and having a water abso |
| 4567114 |
Thermal dye-transfer type recording sheet |
January 28, 1986 |
| A recording sheet for thermal dye-transfer type recording method, having a coating layer which is placed on a substrate, is contacted with a coloring material layer containing sublimable dye and on which the dye is transferred by heating. The coating layer includes as a pigment preci |
| 4490435 |
Thermal dye-transfer type recording sheet |
December 25, 1984 |
| A recording sheet for thermal dye-transfer type recording having a coating layer which is placed on a substrate, which is contacted with a coloring material layer containing sublimable dye and on which the sublimable dye is transferred by heating, wherein the coating layer includes an |
| 4490434 |
Thermal dye-transfer type recording sheet |
December 25, 1984 |
| A recording sheet for thermal-dye transfer type recording having a coating layer which is placed on a substrate which is contacted with a coloring material layer containing sublimable dye and on which the dye is transferred by heating, wherein the coating layer includes both particular |
| 4478910 |
Ink jet recording paper |
October 23, 1984 |
| Ink jet recording paper comprising on a base sheet with a specific sizing degree a coating layer comprising a water-soluble polymeric binder and particular fine silica particles, wherein the sheet provides a superior aptitude for high speed recording with excellent optical density and |
| 4474859 |
Thermal dye-transfer type recording sheet |
October 2, 1984 |
| Thermal dye-transfer type recording sheet, having a coating layer which is placed on a base sheet, is contacted with a coloring material layer being solid or semisolid state at room temperature and on which a coloring material is transferred selectively by heating, wherein said coating l |
