Abstract: A line of ink nozzles in an ink-jet recording head is inclined obliquely from a scanning line, and one pixel is formed by a plurality of ink droplets discharged from different ink nozzles. Thus, a high halftone recording image without stripes (banding) due to a variation of a discharged ink volume or unevenness of recording image density, can be obtained. Moreover, since there is a large degree of freedom in designing an amount of the discharged ink volume, high packing density of ink nozzles can be easily achieved.

Abstract: A recording head comprises discharge ports for discharging ink, a liquid chamber for reserving the ink to be supplied to the discharge ports, a liquid channel for connection between the discharge ports and the liquid chamber, discharge energy generating elements for generating the energy used for the discharge of ink which is provided within the liquid channel, and an ink detection element provided in the liquid chamber for detecting the presence of ink.

Abstract: A liquid jet head for recording by discharging a liquid from discharge ports comprises an elemental base board having on it elements for generating discharge energy to discharge a liquid, and a head having a discharge port member with a plurality of the discharge ports arranged therefor, which constitutes a plurality of liquid passages by being pressed to be in close contact with the surface of the elemental base board on the side where the elements for generating discharge energy are arranged. This discharge port member is provided with an extension which is extendedly present to the reverse side of the aforesaid surface, and also, provided with biasing means for pressing the discharge port member to be in close contact with the aforesaid surface by exerting a biasing force on the extension.

Abstract: An ink jet recording head includes a plurality of heat generating elements for ejecting ink using thermal energy; a conductive line commonly connected to an end of each of the heat generating elements and to another end of adjacent heat generating element; a driving circuit for selectively providing positive or negative current to the common lines, the driving circuit actuates the heat generating elements by applying a high level potential and a low level potential to adjacent lines, respectively.

Abstract: An ink jet recording head has an energy generating device line constituted by electrically connecting N (N>1) energy generating devices in series. The energy generating devices are disposed to correspond to a plurality of discharge ports for discharging ink and generate discharging energy. The energy generating device line is operated by using substantially N+1 electrodes. The method of operating an ink jet recording head comprises the steps of: successively selecting the energy generating devices of the energy generating device line; applying voltages of different levels to the two terminals of the selected energy generating device having received an image signal instructing the selected energy generating device to discharge the ink; and applying voltages of the same level to the two ends of the energy generating device which corresponds to the discharge ports which are not to discharge the ink.

Abstract: A heat transfer recording device which performs recording by heating a heat transfer medium to transfer the ink possessed by the heat transfer medium onto an image-receiving medium, thereby effecting recording on the image-receiving medium. The device having: a platen; a recording head having a plurality of heat-generating elements capable of heat generating; and a pressing member for pressing the recording head against the platen under a pressing force of 800 gf/cm to 3500 gf/cm.

Abstract: A liquid jet recording method of recording on a recording material with liquid droplets discharged trough plural scanning nozzles, in which:n/(s/p).gtoreq.2n/(s/p).times.k=g-1are satisfied,where n (n.gtoreq.2) is a number of the nozzles arranged at pitch P (.mu.m); s (.mu.m) is a distance of relative movement between the nozzles and the recording material between adjacent scans; k (k.gtoreq.1) is a maximum number of ink droplets per pixel and per scan; g (g.gtoreq.3) is a number of tone levels.

Abstract: When polyester fiber cords having elongations under loads of 0.5 g/d and 2.25 g/d within particular ranges and a heat shrinkage (177.degree. C. 30 minutes) within a particular range are used in a carcass ply of a pneumatic radial tire, the ride comfortability, tire uniformity and tire appearance can simultaneously be improved.

Abstract: There are provided a "self-correctable" thermal transfer material and a thermal transfer recording method using the transfer material. The thermal transfer material comprises a support, a first ink layer, a second ink layer and a third ink layer disposed in this order on the support, wherein the first ink layer is a substantially non-transferable layer, the second ink layer is capable of causing separation from the first ink layer on heating; and the third ink layer comprising a thermoplastic resin and a colorant. A recorded image formed by the above-mentioned transfer material can be removed through lift-off correction, by causing the transfer material to adhere to the recorded image under heating, and separating the transfer material from the recording medium without causing separation of the second ink layer.

Abstract: A heat-sensitive transfer medium comprising a support and at least two heat-transferable ink layers including a first and a second ink layer. The first ink layer has relative adhesions with the second ink layer and the support which are reverse at a higher temperature from those at a lower temperature. When the heat-sensitive transfer medium is superposed with paper, a heat energy is applied, and the transfer medium is separated from the paper; the second ink layer is selectively transferred or both the first and second ink layers are transferred to the paper depending on the length of time from the heat application until the separation of the transfer medium, whereby two color images can be formed by a single transfer medium.

Abstract: Method and apparatus for recording information on an opto-magnetic recording medium by applying an A.C. magnetic field of a constant frequency to the opto-magnetic recording medium as a recording bias magnetic field and scanning the medium by a light beam modulated with a recording signal in synchronism with the A.C. magnetic field to record the information.

Abstract: The present invention provides a heat transfer recording apparatus for recording an image on a recording medium by selectively applying thermal energy by a recording head, comprises: conveying means for conveying a transfer medium, a recording head for selectively applying the energy to the transfer medium, pressing means for changing a pressing force of the recording head, tension means for changing a conveying tension on the transfer medium, peeling angle changing means for changing an angle of the transfer medium peeled from the recording medium; and control means for changing the conveying tension on the transfer medium or/and the peeling angle in response to the change in the pressing force of the recording head.

Abstract: An image recording apparatus which includes a conveying device for conveying a transfer recording medium having a transfer recording layer whose transfer characteristics change when a first energy and a second energy different from the first energy are applied thereto. A recording section is disposed along a conveying route of the transfer recording medium conveyed by the conveying device and having a first energy applying device for applying the first energy to the transfer recording medium and a second energy applying device for applying the second energy thereto. A tension imparting device is used for imparting tension to the transfer recording medium in such a manner that the transfer recording medium is pressed against the first energy applying device. A transfer device for transferring an image formed on the transfer recording medium in the recording section to a recording medium and a conveying device for conveying the recording medium to a discharge section via the transfer device are also employed.

Abstract: A transfer recording medium comprising a transfer recording layer is provided. The transfer recording layer causes an irreversible change in transfer characteristic when provided with plural kinds of energies such as heat, light and pressure energies. Such plural energies are applied to the transfer recording layer with at least one energy applied imagewise to provided a transferable portion or latent image portion in the transfer recording layer. The transferable portion is then transferred to a medium such as plain paper. The provision of plural kinds of energies aids in realization of high quality multi-color transfer image in a compact apparatus through functional separation of image formation and transfer operations. Further, even a multi-color image can be obtained through a single transfer step.

Abstract: A transfer recording medium comprising a transfer recording layer is provided. The transfer recording layer causes an irreversible change in transfer characteristic when provided with plural kinds of energies such as heat, light and pressure energies. Such plural energies are applied to the transfer recording layer with at least one energy applied imagewise to provided a transferable portion or latent image portion in the transfer recording layer. The transferable portion is then transferred to a medium such as plain paper. The provision of plural kinds of energies aids in realization of high quality multi-color transfer image in a compact apparatus through functional separation of image formation and transfer operations. Further, even a multi-color image can be obtained through a single transfer step.

Abstract: A thermal transfer material suitable for two-color recording comprises a support and at least an adhesive layer, a first ink layer, and a second ink layer disposed in this order on the support. The adhesion strength F.sub.1 between the support and the first ink layer and the adhesion strength F.sub.2 between the first and second ink layers satisfy the relations of F.sub.1 >F.sub.2 at a higher temperature and F.sub.1 <F.sub.2 at a lower temperature. The adhesion strength F.sub.1 is in the range of 1.0-10 g/cm in the case of F.sub.1 <F.sub.2 after heating. Sharp edge cutting of the heated portion and excellent transferability thereof are ensured by the definition of the adhesion strength F.sub.1 after heating.

Abstract: An image recording apparatus for recording an image on a recording medium by using a transfer recording medium having a transfer recording layer whose transfer characteristics change on application of a plurality of kinds of energy thereto. The apparatus comprises: a conveyor for conveying the transfer recording medium; a recording section disposed along an advancing route of the transfer recording medium conveyed by the conveyor and having energy applicators for selectively applying the plurality of kinds of energy to the transfer recording medium; a transfer section for transferring an image formed on the transfer recording medium in the recording section onto the recording medium; and a contacting member disposed between the recording section and the transfer section in such a manner as to be brought into contact with the transfer recording medium. Members constituting the advancing route of the transfer recording medium are formed separably from a main body of the unit.

Abstract: A display panel is formed by arranging an active matrix base plate which is provided with a thin film transistor having a first electorde, a second electrodes as the source or drain and a third electrode as the gate, a picture element electrode connected to the first electrode, a second signal line leading from the second electrode, a third signal leading from the third electrode, and a plurality of counter electrodes disposed opposite to the picture element electrode and serving as first signal lines. The display panel is driven by applying scanning signals to two of the three types of signal lines, i.e., said first to third signal lines, and applying display signals to the remaining one type of signal line.

Abstract: A fluid ink which is substantially nonadhesive but can be imparted with an adhesiveness on application of an energy such as electrochemical energy or heat energy, is obtained by impregnating a crosslinked substance such as guar gum or polyvinyl alcohol compound with a liquid dispersion medium such as water. The fluid ink, preferably formed into a layer in advance, is supplied with a pattern of energy to be provided with an adhesive pattern, which is then transferred to a recording medium, such as plain paper, directly or by the medium of an intermediate transfer medium to form an ink pattern corresponding to the energy pattern applied.

Abstract: A thermal transfer material suitable for two-color recording comprises a support and at least a first ink layer and a second ink layer disposed in this order on the support. The adhesion strength F.sub.1 between the support and the first ink layer and the adhesive strength F.sub.2 between the first and second ink layers satisfy the relations of F.sub.1 >F.sub.2 at a higher temperature and F.sub.1 <F.sub.2 at a lower temperature. The total ink layers on the support having a tensile strength of 8-20 kg/cm.sup.2. Two color recording is effected by superposing the thermal transfer material on plain paper, applying a pattern of heat and separating the thermal transfer material from the paper while changing the time from heating until the separation, i.e., temperatures at the time of separation. Sharp edge cutting of the heated portion is ensured by the definition of the tensile strength.