摘要:
To improve accuracy of determining the average brightness level and maximum and minimum levels of the brightness signals for the entire screen.There are included a differential operation circuit that detects and differentiates rise or breaking edges in horizontal and vertical synchronous signals of an input image signal, thereby outputting horizontal and vertical differential signals synchronized with the horizontal and vertical synchronous signals, respectively; a sample window circuit that detects the beginning and ending positions of horizontal and vertical intervals to produce sample window signals established in any desired vertical and horizontal positions on the screen in accordance with the horizontal and vertical differential signals; and a brightness signal output circuit that outputs sampled brightness signals when the sample window circuit is operative.
摘要:
A filling foam composition contains a polymer, 4,4′-oxybis(benzenesulfonylhydrazide), an amine compound (except urea compound) having a melting point of 40° C. or more, and an organic peroxide, and the amine compound is mixed in an amount of 5 parts by weight or more per 100 parts by weight of the 4,4′-oxybis(benzenesulfonylhydrazide).
摘要:
A device for removing an image recording material is provided, which takes up little space and is used with printing plates and interleaf sheets set alternately in a cassette. An interleaf sheet and a printing plate are taken out simultaneously. In the midst of being conveyed along a conveying path leading to an exposure section, only the interleaf sheet is sucked by a fan or drawn-in between a roller pair so as to be peeled off from the printing plate. The peeled-off interleaf sheet is discarded, and the printing plate is conveyed reliably to the exposure section.
摘要:
A printing plate is held at one point thereof by a holding portion provided at a surface plate. When pushed by a pushing portion, the printing plate is only rotationally displaced. Thus, an angular error is substantially eliminated and displacement of the printing plate is small. Then, the pushing portion positions the printing plate in a direction perpendicular to a direction in which the surface plate can be moved. Then, movement of the surface plate positions the printing plate in the direction in which the surface plate can be moved.
摘要:
An apparatus for feeding printing plate precursors is provided with a detecting sensor for detecting a position of a separation plate mounted on a cassette accommodating printing plate precursors, and a plate surface detecting sensor for detecting an uppermost plate of printing plate precursors stacked in the cassette. A relative position of the separation plate with respect to suction nozzles of a suction frame of the apparatus for feeding plates is controlled constant.
摘要:
A sheet feeding method for plate-shaped members is disclosed. In a sucker unit, suction nozzles are move down from respective original positions toward a bottom plate of a cassette at a fixed speed, and time t1 until the bottom plate is detected by a contact sensor, and an amount by which the suction nozzles move, &Dgr;y, until the suction nozzles suction adhere to the bottom plate after the bottom plate is detected by the contact sensor are measured. Subsequently, separation positions of the suction nozzles with respect to the original positions are set based on an interval between the bottom plate of the cassette and separation plates, and an interval required by the photopolymer plate being bent between the suction nozzles and the separation plates at an appropriate curvature. Based on the result of the setting, the photopolymer plate is reliably taken out from the cassette.
摘要:
A suction transport device capable of reducing manufacturing cost due to reduction of the number of suction mechanisms by which one of photopolymer plates accommodated in a magazine is taken out is attained. Also separability when the printing plate is taken out is improved, thus improving reliability of the suction transport device. Since, among suckers and suction fans, those located at positions corresponding to the widthwise direction ends of the printing plates are movable in the widthwise direction, and separating plates are movable in the same direction. When one of the printing plates of a different size is to be taken out, the leading end corner portions of the printing plate can always be curved at a fixed curvature, and separability is improved. Further, there is no need to increase the number of suckers thus decreasing cost.
摘要:
A printing plate discharging method and a printing plate discharging device can quickly and reliably discharge a printing plate from a surface plate, which printing plate has been placed in a state wherein one end portion of the printing plate projects from the surface plate, without making an exposed face of the printing plate dirty or scratched. At a discharging mechanism section of an automatic exposure device, a temporary support arm corresponds with the one end portion of the printing plate, which end portion projects from on the surface plate. The temporary support arm is raised higher than the surface plate by a moving stage moving and a roller thereby abutting against a projecting portion of the temporary support arm. Thus, the temporary support arm lifts up the one end portion of the printing plate. In this state, a plate discharging hook engages the one end portion of the printing plate (a lifted portion) and pushes the printing plate toward another end portion of the surface plate. Thus, the printing plate can be discharged from the surface plate.
摘要:
A differential amplifier achieving a high throughput rate with reduced power consumption includes a differential circuit, output circuit, a constant current source transistor, a drive transistor, and a switching circuit. A difference voltage relative to a difference between voltages applied to non-inverting and inverting inputs of the differential circuit is applied to the switching circuit. The switching circuit supplies a drive signal to the drive transistor to enable the drive transistor when the difference voltage is below a predetermined threshold voltage, and to disable the drive transistor when the difference voltage is above the predetermined threshold voltage.
摘要:
A biochemical analysis apparatus for applying a liquid sample onto a long test film, incubating the sample-applied film portion by an incubator, and measuring the degree of color formation at the sample-applied portion comprises a cutter provided upstream from the position of sample application for cutting the long test film to a length necessary for a single step of sample application, and a cut-film conveyor for conveying the sample-applied and cut portion of the long test film into the incubator, whereby the long test film is utilized efficiently and processing thereof is facilitated.