415 results about "Photographic paper" patented technology

An audio data recording/reproduction system including an independent, portable camera for respectively recording still image data on a silver salt region of a film and audio data on a magnetic recording region of the film. A silver salt film developing/printing device is provided for developing the still image data recorded in the silver salt region of the film, and for printing the developed still image data on a front surface of a photographic paper as visible data. A conversion device is provided for reproducing the audio data recorded in the magnetic recording region of the film, and for converting the reproduced audio data into an optically readable code. And a recording device is provided for printing the optically readable code produced by the conversion device on a rear surface or a blank section of the front surface of the photographic paper.

A photographic print includes a sheet, such as a sheet of photographic paper, having a front face and a back face, and one or more images printed on the front face of the sheet. The photographic print includes meta data in a human invisible format attached to the sheet of photographic paper, the meta data including information related to the photographic print. The meta data may be encoded digital data stored on magnetic material such as a sheet of magnetic material that is attached to the photographic print. The meta data may also be printed on substantially transparent optical material in a format that is invisible to the human eye. The meta data may also be a magnetic material or optical material that is mixed with the ink used to print the one or more images on the photographic print. The meta data attached to the photographic prints may be read using a meta data scanner capable of reading the meta data and displaying the meta data in a visual or audio format.

The present invention provides an ink set comprising at least three color inks, which are yellow ink whose hue angle H°, as defined in the CIELAB color space on a recording medium (PM photographic paper; same below), is in a range of about 80° to about 110°, magenta ink whose hue angle H° is in a range of about 330° to about 360°, and cyan ink whose hue angle H° is in a range of about 230° to about 260°, and further comprising ink (A) and/or ink (B) described below. With the present ink set, it is possible to provide a highly reliable ink set that can be used in inkjet recording and can produce printed matter having a wide color reproduction range, high color saturation, good graininess, and an adequate glossy look.

The present invention refers to a method of producing a coated paper or paperboard, but excluding photographic papers, comprising the steps of: (a) forming a free flowing curtain comprising at least one layer, whereby the composition forming at least one layer of the free flowing curtain has a high shear viscosity of at least about 50 mPa.s, and (b) contacting the curtain with a continuous web substrate of basepaper and paperboard.

There is provided a method of reducing block noise, mosquito noise and other image noises in an image by a filtering process using a smoothing filter, which block noise, mosquito noise and other image noises being caused at the time of decoding encoded, compressed image data on a block-by-block basis. The method includes changing the extent or intensity of the image noise reduction in the filtering process in a continuous or stepwise manner according to an output size or expansion rate of an image to be outputted to printer paper, photographic paper or other output media, thereby allowing the extent or intensity of the image noise reduction to be increased as the output size or expansion rate of the image increases. This method is capable of allowing the extent of the image noise reduction applied to image data to be perceived in a similar fashion, irrespective of the output size.

The present invention refers in one embodiment to a method of manufacturing multilayer coated papers and paperboards, but excluding photographic papers and pressure sensitive copying papers, that are especially suitable for printing, packaging and labeling purposes, in which at least two curtain layers selected from aqueous emulsions or suspensions are formed into a composite, free-falling curtain and a continuous web of basepaper or baseboard is coated with the composite curtain, and paper or paperboard thereby obtainable.

The invention discloses a device for measuring a damage threshold under the combined action of a three-wavelength pulse laser and a debugging method. The measuring device is used for separating the three-wavelength pulse laser, singly controlling energy and gathering light beams. And then a light beam coupling system which is matched with an optical distance of a light split system is used for ensuring the time synchronization of the three-wavelength. The method comprises the following steps: primarily aligning by utilizing an alignment laser, two light-transmitting diaphragms and a three-wavelength light beam; utilizing an on-line microscope to monitor the damage information of each wavelength laser to the sensitive photographic paper and calculating the central coordinates of the damagepoints generated on a measured sample by different wavelengths, by comparing and analyzing the images before and after being radiated with lasers; and referring the central coordinates, and successively adjusting the light spot information of each wavelength till superposing the three-wavelength light spot centers.

The high luster painted photographic paper for ink jet printing is formed through painting two layers of coating fluid containing ink absorbing pigment and passing through metal mirror casting jar. The upper layer of the coating fluid consists of inorganic pigment 90-100weight portions, PVA 3-5weight portions, polymer emulsion 5-30weight portions, assistant 3.5-6weight portions, and deionized water 580-780 weight portions. The high luster painted photographic paper is applied in printing photos with water soluble dye ink and water soluble pigment ink, and has reliable printing performance and capacity of obtaining printed photos with bright colors.

The invention discloses a coating fluid for preparing inkjet high-gloss waterproof printing paper, which comprises the following components in parts by weight: 10-40 parts of ink powder adsorbent, 30-55 parts of adhesive, 0.05-0.15 part of whitener, 0.05-0.15 part of dispersing agent, 2-5 parts of defoaming agent, 1-3 parts of neutralizer and 140-200 parts of distilled water. The adhesive is a cationic water-based polyurethane emulsion. The invention also discloses a printing paper for preparing the coating fluid and a preparation method thereof. The coating fluid has the advantages of no toxicity, no odor, favorable bonding property and favorable water resistance; the coating has favorable weather resistance and can bear sunlight irradiation for a long time; the coating has the advantages of high internal-structure strength and favorable adhesion for the substrate; and the coating printing surface has favorable scratch resistance. The printing paper prepared from the coating fluid has the advantages of ultrahigh drying rate after ink absorption, bright color, high color reduction degree, no piling phenomenon and favorable waterproof effect; and the output image has clear and sharp picture.

An exposed film package for preserving one strip of exposed photographic film includes a film sheath, which has plural pockets. Plural film pieces are formed by cutting the one strip of the exposed film, and contained respectively in the pockets in the film sheath. An index photograph is constituted of photographic paper, on which positive images of frames from the one strip of the exposed film are printed. The photographic paper has a size substantially equal to the film pieces. The positive images are formed in reducing a size of the frames, and grouped in association with the film pieces. Groups of the positive images are arranged in consideration of an order of exposure of the frames. The index photograph is contained in one of the pockets in association with the film pieces constituting the one strip.

The present invention provides one kind of method to increase the printed color density and grey of the hot printing head. The hot printing head includes several heaters arranged linearly in the equal interval to heat the color ribbon, so that the color dye on the color ribbon can form one linear pattern on the photographic paper and the number of the heaters is the number of the printed points in the linear pattern. The color density and grey of each printed point depends on the time for the corresponding heater to heat the color ribbon and the time is determined by one time pulse sequence, which includes one integral number part and one tail number part corresponding to the grey.

The invention relates to an ammonia sensor, in particular to a flexible sensor capable of detecting ammonia at normal temperature and a preparation method thereof. The flexible sensor provided by the invention employs photographic paper as a substrate, and has the characteristics of being capable of optionally folding, cutting and bending; an nano-silver layer dual-electrode-type electrode and an SWNT-PABS functional layer are prepared through painting on the protective film surface, including the photosensitive emulsion layer, of the photographic paper by the inkjet printing method; as the PABS has the characteristic of being very sensitive to ammonia, ammonia can be detected at normal temperature; the detection concentration can be as low as 1 ppm, so that the flexible sensor has the characteristic of sensitivity; the flexible sensor can keep good stability after being used for four months; and the preparation method of the flexible sensor is simple in process, can be miniature in size, and is easy to integrate.

A digital printer prints an image to photographic paper according to image data. A speech data input unit inputs speech data associated with the image data for representing speech. The speech data is subjected to tone conversion. An image forming unit prints the tone-converted speech data to the photographic paper in association with the image.

A three-colored light emitting diode multi-light source, lighting device used in digital display system, LED substrate , collimating support, mixed light tube and fosted glass, micro display panel, zooming projection lens and photographic paper are orderly installed on the same optical axial, is fixed on LED substrate in square matrix and has the same distance to each other, square matrix lens is embed in the collimating support under the LED substrate in square matrix and each light emitting diode has the corresponding axial of square matrix lens on its focus to reduce the angle of divergence, decreasing the optical energy loss. The light beam projection port of mixed light tube has frosted glass embedded with the angle of 45deg.C for increasing evenness of optical fiel, and there is a zooming projection lens placed among the micro display panel and photographic paper. The advantages are long service life and colorful vivdness.

A process which comprises forming an image on a substrate, and developing the image with toner, and wherein the substrate contains a coating of a polyester and there is enabled images of high uniform gloss.

The present invention provides a transfer paper for electrophotography which can be printed by electrophotographic printers, facsimile, copiers and on-demand printers, has excellent toner fixability and is excellent in gloss of printed images, and can produce images close to those formed on photographic papers in gloss of white paper and gloss of printed image portions. The present invention relates to a transfer paper for electrophotography comprising a base paper and at least one coating layer provided thereon, characterized in that the uppermost coating layer contains not less than 5 parts by mass of an organic hollow pigment in 100 parts by mass of pigment.

The invention provides a system and method for quickly testing and analyzing the deposition and drift performances of pesticide. The system and the method are capable of quickly, accurately, economically and effectively analyzing the deposition and drift characteristics of fog drops. The system comprises white photographic paper and a scanner, wherein the white photographic paper is used for receiving the fog drops; the output of the scanner is connected with a computer. The method comprises the following steps: spraying a pigmented medium from a spraying nozzle; receiving the fog drops, which are sprayed from the spraying nozzle, through the white photographic paper, and depositing the fog drops (i) on the photographic paper to form color spots; scanning the photographic paper through the scanner to obtain a scanning image, and calculating to obtain the actual area (Ti) of each color spot in a scanning region, wherein i is equal to 1,..., N; calculating the actual diameter of each fog drop according to a formula that di is equal to 1.06Ti<0.455>, and calculating the volume (Vi) of each fog drop; reflecting the size of the fog drops which are deposited on the photographic paper according to the corresponding diameter (Dv50) of each fog drop when a cumulative distribution function of the volume of the fog drops is 50 percent; and reflecting the coverage rate of the medium on the photographic paper according to the area of each color spot in the scanning region and/or the area of the scanning region.

The invention discloses high-gloss and waterproof photographic paper. The high-gloss and waterproof photographic paper comprises an ink-absorbing layer, a lustering layer, raw paper and a back coating. A preparation method of the high-gloss and waterproof photographic paper comprises a preparation method of ink-absorbing coating liquid, a preparation process of lustering coating liquid, a preparation process of back-coating coating liquid and a preparation process of the high-gloss and waterproof photographic paper. According to the high-gloss photographic paper produced by the method, the glossiness can reach above 80 percent and is far more than that of photographic paper with the glossiness being 40 to 60 percent in the market; meanwhile, the high-gloss photographic paper has scratch resistance and the surface hardness of the photographic paper reaches level 7; the back side is coated with polymer emulsion, so the isolating effect and the anti-curl effect are achieved; and the surface tension of the back side is less than 25 dynes, so water cannot be spread on the surface. The flatness reaches the level of coated paper. The ink-absorbing drying rate is high, the effect that the paper is dry once being discharged out of a machine is achieved, and the drying rate is greatly increased compared with the drying rate, that the coated photographic paper is dry 2 minutes later when being discharged out of the machine, of the coated photographic paper.

A card reader loads thumbnail image data from a memory card. Plural thumbnail images are arranged in a matrix, and displayed as an index image on an image selection screen. The thumbnail image to be printed is selected on the image selection screen. The card reader loads principal image data corresponding to the selected thumbnail image and its accompanying information from the memory card. An image processor applies various image processing, such as gradation correction, over the principal image data. A principal image is printed on a front surface of a photographic paper and the index image is printed on a rear surface of the same.