Abstract: Two image signals representing radiation image information are acquired from opposite surfaces of a stimulable phosphor sheet, on which the radiation image information has been stored. Operation processing is performed on the two image signals in accordance with predetermined operation processing parameters, and an operation-processed image signal representing the radiation image information is obtained. A ratio between read-out sensitivities with respect to the opposite surface sides of the sheet and/or the predetermined operation processing parameters with respect to at least either one surface side of the sheet are controlled in accordance with read-out conditions employed at the time of the image signal acquisition.

Abstract: A photosensitive sheet is composed of a plastic film, a subbing layer for nonelectrolytic plating provided thereon consisting of a hydrophilic resin having swelling property and fine particles of a metal or a metallic compound, a nonelectrolytically plated layer provided on the subbing layer and the photoresist layer provided on the nonelectrolytically plated layer. A metal pattern is performed by the steps of: exposing patternwise to light the photoresist layer of the photosensitive sheet, developing the exposed photoresist layer to form a resist pattern on the nonelectrolytically plated layer; forming an electrolytically plated layer on the nonelectrolytically plated layer in the area having no resist; superposing the photosensitive sheet on a substrate; and separating the plastic film from the substrate, keeping both the resist pattern and the electrolytically plated layer on the substrate, to form a metal pattern on the substrate.

Abstract: An IC memory card has a byte rewriting type EEPROM implementing a supervisory area for storing supervisory data which should be rewritten byte by byte, and a flushing type EEPROM implementing a data area for storing picture data or similar data which are usually generated in a great amount. When an address for writing data in the supervisory area is sent from a host processor to the card, an address identifying section determines the value of the address and activates a memory controller to write the data in the supervisory area. When an address for writing picture data is sent from the host processor, the address identifying section determines the value of the address and activates another memory controller associated with the data area to thereby write the picture data in the data area.

Abstract: A movie camera and a method of photographing a still with the movie camera is provided wherein the movie camera is of a type wherein a motionless picture or still can be photographed during a movie photography operation and when the illumination falling on an object is a predetermined value or less at the start in the photography of the still during the movie photography operation, stroboscopic flashes of light are produced from a strobe device to enable still photography.

Abstract: A white balance control device for a video camera is provided to reduce an occurrence percentage and the degree of color failure, improve the quality of reproduced color and prevent flicker from occurring so that a photograph may be taken properly. A first microcomputer detects a brightness of an object and a condition of a divided light measurement judged from an open degree of an iris. The first microcomputer outputs white balance control signals Rcont and Bcont for equalizing the values of color difference signals R-Y and B-Y to reference values. A white balance control circuit changes the amplification degrees of an elementary red signal R and an elementary blue signal B. When a brightness of an object becomes higher than the previous memorized value and a mode of a divided light measurement is changed, values of white balance control signals Rcont and Bcont are changed. At the other times, the values of the white balance control signals Rcont and Bcont are fixed.

Abstract: A direct color thermal printing method records a full-color image containing black characters on a thermosensitive color recording medium having three laminated thermosensitive recording layers. Three color components of each pixel are sequentially read out from three color frame memories. If all of the three color components of a pixel correspond to the maximum densities, that pixel is determined to be printed in black, and is stored as black pixel data in a black line buffer memory. When recording the black pixels, a thermal head is driven to apply a predetermined maximum amount of head energy to the thermosensitive color recording medium, for simultaneously coloring the three thermosensitive recording layers in accordance with the black pixel data.

Abstract: A printer has a recording head with a first plurality of recording elements being disposed in a main scan direction. The recording head records the first plurality of pixels on a recording sheet at a time. Each pixel has a second plurality of sub-lines disposed in a sub scan direction, and the number of dot-recorded sub-lines changes with tonal steps. A shift register has the first plurality.times.8-bit latches for latching sequentially inputted first plurality of image data as parallel data. The M image data are sent via a latch array to a comparator array, and set to respective the first plurality.times.8-bit magnitude comparators constituting the comparator array. A counter is incremented each time a platen drum holding a recording sheet is rotated by a one sub-line amount, and the position of each sub-line within one pixel is detected. Each 8-bit magnitude comparator maintains each recording element in a conduction enabled state until a count of the counter exceeds the contents of the image data.

Abstract: A magnetic recording medium has an improved protective film covering a thin magnetic metal thin film provided on a non-magnetic support. The protective film consists of a plurality of layers formed by plasma polymerization, the base layer of which has a density of 0.7 to 1.5 g/cm.sup.3 and the surface layer of which has a density of not less than 1.2 g/cm.sup.3. This magnetic recording medium has good scratch resistance, weather resistance and abrasion resistance in addition to extremely small spacing loss. The magnetic recording medium can be produced by plasma polymerization of a wide variety of monomeric compounds.

Abstract: A magnetic recording medium comprises a non-magnetic substrate, a first magnetic film layer which is formed on the non-magnetic substrate and whose major component is cobalt, and a second magnetic film layer which is overlaid on the first magnetic film layer and whose major component is iron nitride.

Abstract: The present invention concerns a process for producing a novel polymeric thin film having high density, high hardness and high toughness on the surface of a substrate by plasma polymerization. This process comprises providing a gas containing at least one compound selected from halogenated alkanes, alkanes, hydrogen and halogens in specific combinations for plasma polymerization, the atomic ratio of halogen/hydrogen in the aforesaid gas being 0.1 to 5 and the electron temperature of the plasma in the reaction zone being 6,000.degree. K. or higher and lower than 30,000.degree. K. The polymeric thin film obtained is useful on various articles for the purpose of protection, surface hardening, rust proofing, scratch proofing, providing gas barrier, etc. In particular, it is suitable as the protective film of magnetic recording media.

Abstract: A radiation image reproducing apparatus reads a radiation image out of a first recording medium and reproduces it on a second recording medium as a visible image. Input devices of the apparatus enter input data which are associated with a method of exposing an object to a radiation and object's exposed part. In response to the input data, a processing condition determining unit determines conditions optimum for a gradation processing and a spatial frequency processing. A processor system is provided for reading the radiation image stored in the first recording medium and processing the radiation image on the basis of conditions which the processing condition determining unit determines in response to the input data associated with the radiation image.

Abstract: A developing solution for developing a light-sensitive lithographic plate having a o-quinonediazide compound-containing light-sensitive layer is disclosed. The developing solution is comprised of an aqueous solution containing alkali silicate and an alkali aqueous solution-soluble compound of a metal selected from the group consisting of Sn, Pb, Fe, Co and Ni. The developing solution provides excellent resolving power, has excellent development stability, processing capability and adaptability with respect to automatic developing machines.

Abstract: A magnetic recording medium is disclosed which is comprised of a support base having positioned thereon a magnetic layer having a ferromagnetic powder dispersed in a binder composition. The binder composition is comprised of a vinyl chloride-vinyl alcohol copolymer in an amount of 40 wt % to about 95 wt %. The copolymer contains 1 wt % to less than 8 wt % of vinyl alcohol component and 0 to 2 wt % of vinyl acetate component. By using the binder composition which includes the copolymer the resulting magnetic recording medium have excellent surface smoothness, good dispersion of ferromagnetic powder, excellent electromagnetic properties, as well as excellent running property and durability.

Abstract: A nonbinder type of magnetic recording medium is disclosed. The binder is comprised of a non-magnetic support having thereon, in sequence, a thin magnetic metal film laminated using the evaporation technique and a protecting film, with the thin magnetic metal film converted in its surface part alone to a metal oxide layer by being oxidized with oxygen plasma, to a metal nitride layer by being nitrided with nitrogen plasma or to a glow discharge-processed layer. The protecting film includes a high molecular weight compound, a higher fatty acid, a fatty acid ester or a combination thereof, laminated on the metal oxide layer, the metal nitride layer or the glow discharge-processed layer.

Abstract: A magnetic recording medium is disclosed which is comprised of a non-magnetic support having a magnetic layer provided thereon. The magnetic layer is comprised of two different types of carbon black having different particle sizes, a lubricant which is liquid at room temperature, a ferromagnetic powder all dispersed in a binder. A carbon black (1) has an average particle size smaller than 50 m.mu. and a carbon black (2) has an average particle size of larger than 120 m.mu.. The carbon black is present in a weight ratio of (1)/(2) within the range of 50/50 to 97/3. The magnetic recording medium has improved electromagnetic properties and running durability. In addition, the material provides an improved S/N ratio and an improved coefficient of friction.

Abstract: A method of replenishing a developer during the development of photosensitive plates in a conveyor-type automatic developing machine connected to a replenishing device in which the dissolution of the photosensitive layer in the non-image area of a photosensitive plate is measured with a sensor. The sensor is positioned at a certain point in the developing zone of the machine, and, when the measured dissolution reaches a certain level, the replenishing device is automatically actuated to supply a predetermined amount of replenisher to the developer.

Abstract: The photosensitive composition suitable as a posi-posi photosensitive composition for photosensitive lithographic printing plates is composed of a high molecular compound shown by following general formula I or II and an o-naphthoquinonediazide compound; ##STR1## wherein R.sub.1 is a hydrogen atom, an alkyl group having 1 to 8 carbon atoms and R.sub.2 and R.sub.3 each is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.When the photosensitive composition is used as a photosensitive layer of a photosensitive lithographic printing plate and the plate is developed by rubbing with a sponge containing a developer, the photosensitive composition at the exposed areas is completely removed leaving no patches of the composition.

Abstract: A method of color reversal treatment of an exposed silver halide photographic material is disclosed. The method involves treating the exposed material with 2 both type black-and-white developing solutions. The first solution contains a compound represented by the general formula (I):R.sub.2 --S--R.sub.1).sub.d --S--R.sub.2 (I)wherein R.sub.1 represents an alkylene group having 2 to 10 carbon atoms, which may have ether bonds, R.sub.2 represents an alkyl group having 2 to 10 carbon atoms which alkyl group may have substituents, ether bonds or ester bonds, and d represents an integer of 0 to 3. The second black-and-white developing solution is a conventional solution. By utilizing the two solutions and specifically the first solution containing the compound of general formula (I) it is possible to obtain good photographic images having a high maximum density and good color balance.

Abstract: A method of simultaneously applying multiple layers of coating liquids to a moving web with a slide hopper type coating apparatus in which the fluidity of a coating liquid for forming the lowermost of multiple layers is improved to thereby eliminate inter-layer mixing and waving. The first coating liquid which forms the lowermost of the multiple layers is prepared so that it, when run at a low shear rate, has a viscosity equal to or different by no more than .+-.10 cp from a viscosity of a second coating liquid for forming a layer next to the lowermost layer when the second coating liquid flows at a low shear rate and that the first coating liquid, when run at a high shear rate, has a viscosity lower than the viscosity of the second coating liquid when the second coating liquid flows at a high shear rate. The first and second liquids are then applied to a moving web with the slide hopper type coating apparatus.

Abstract: A magnetic recording medium having a thin magnetic film on a non-magnetic support base is disclosed. A layer of a compound which contains at least two isocyanate groups is formed in connection with the medium, and may be formed on either the surface of the metal film or the surface of the base opposite the metal film, or both. The resulting medium has excellent running properties, wear resistance and electro-to-magnetic conversion characteristics which are maintained after repeated use. The medium is formed by providing a non-magnetic support base surface and coating that surface with a thin magnetic metal film by use of a process such as vapor deposition. A solution of a compound containing at least two isocyanate groups is then applied to the medium within a solvent after which a heat treatment is carried out, thus forming the layer of compound containing the isocyanate groups.