Abstract: An axially focusable objective lens is retained in a neutral position in the axial focusing direction by means of at leaast one magnetic member disposed inside or near the ends of magnetic gaps formed by yokes and magnets. The magnetic member is mounted on the periphery of a retaining tube which carries the objective lens and is positioned in the magnetic gaps which exhibit a non-uniform magnetic field distribution so that the magnetic member is subjected to a force acting in a direction in which the potential energy becomes stable. This force is utilized as a magnetic spring in the axial focusing direction. The magnetic spring requires no additional space thereby enabling a reduction in the size of the actuator and achieving excellent temperature characteristics.

Abstract: A bio-sensor is mounted in a container and comprised of a receptor for selectively reacting with a specific biochemical substance in a sample liquid held in the container to bind thereon the specific biochemical substance and a resonator integrated with the receptor for detecting the amount of the specific biochemical substance bound to the receptor in terms of a resonant frequency shift of the resonator. A measuring circuit is connected to the sensor for measuring the resonant frequency shift of the resonator within the container; a switching valve operates during the reaction of the receptor with the specific biochemical substance to charge a sample liquid into the container to contact the sample liquid with the receptor to thereby effect the reaction and operates during the measurement of the resonant frequency shift to replace the sample liquid by a buffer liquid in the container to immerse the sensor in the buffer liquid to thereby prevent a fluctuation of the resonant frequency shift.

Abstract: A colored article, e.g., a multicolored filter for a display device, comprises a first electroconductive layer with a low resistance formed on a substrate. A second electroconductive layer resistant to electrolytic corrosion and comprised, e.g., of SnO.sub.2, Sb.sub.2 O.sub.3, ZnO, CdO, Ga.sub.2 O.sub.3, Au, Ag, Ni, Al and Si, is formed directly on the first layer. A color layer is formed on the second layer by electrodeposition to impart a desired color tone to the article.

Abstract: A color member, for example, a multicolor filter for a display device, and a method for manufacturing the same. An electroconductive layer having a desired pattern is formed on a substrate. A colored layer containing a polymer and a coloring matter is formed on the electroconductive layer by electrodeposition. The polymer and the coloring matter contained in the colored layer are chemically bonded to each other.

Abstract: A recording apparatus receives a video signal containing a horizontal sync signal and a data signal comprised of a given number of image bit data arranged within each horizontal scanning period, and stores the number of image bit data in synchronization with the horizontal sync signal. A voltage-controlled oscillator produces in synchronization with the horizontal sync signal a frequency signal having a frequency higher than that of the sync signal. A divider frequency-divides the frequency signal by a given factor to produce a number of sampling pulses corresponding to the given number of image bit data. A data sampling circuit receives the data signal for sampling therefrom the number of image bit data in response to the corresponding sampling pulses to thereby write the image bit data into memory. Another divider frequency-divides the frequency signal by the product of the given factor and the given number to produce a feedback signal.

Abstract: A liquid crystal optical device is comprised of a pair of substrates having respective inner major surfaces spaced apart from one another and a liquid crystal layer composed of liquid crystal molecules and interposed between the spaced inner major surfaces. An electrode layer is disposed on at least one of the inner major surfaces. An organic filter layer colored in a given color tone is electrodeposited on the electrode layer. An organic alignment layer is disposed on the filter layer in contact with the liquid crystal layer for aligning the liquid crystal molecules. An organic protective layer is interposed between the alignment layer and filter layer for adhesively securing the alignment layer to the filter layer to protect the alignment layer from stress applied thereto relative to the filter layer.

Abstract: A hard copy system regulatively processes a video signal with a settable regulatory parameter to produce regulated picture information which is reproducible as a hard copy. A multiplexer receives a plurality of video signals having different signal forms to selectively apply one of the video signals to the hard copy system. A memory stores a plurality of different regulatory parameters assigned to the respective video signals and determined according to the different signal forms thereof so as to optimize the regulative processing thereof. A controller operates when a selected video signal is processed for retrieving from the memory a regulatory parameter assigned to the selected video signal to set the retrieved regulatory parameter to thereby enable the hard copy system to produce optimally regulated picture information.

Abstract: A starting material composed of calcium carbonate is dissolved in a nitrate aqueous solution containing alkali nitrate under application of heat and pressure. The starting material is hydrothermally synthesized within the nitrate aqueous solution to effect the rapid growth of calcium carbonate single crystal.

Abstract: Art to make the electronic devices immune against the static electricity, so that the circuits are not erroneously operated or broken down by the electric field, by the electromagnetic waves or by the flow of electric charge. In an electronic device which is not grounded, the capacity between an active side 2 and an input line 4 is selected to be smaller than the capacity between a pull side 3 and the input line 4 relying upon the layout of IC pads, relying upon the layout of circuit board patterns, or relying upon the capacitors, and a metal housing is not connected to the active side 2. The electronic device exhibits perfect immunity against the flow of electric charge into the circuit network caused by the discharge of static electricity, against the noise caused by the electromagnetic waves having high energy, and against the electric field where the electric discharge is not taking place, i.e., the electronic device exhibits immunity against all of the phenomena of static electricity.

Abstract: A robot control system has a robot hand movable along a plane according to position data determined in terms of an absolute coordinate system related to the plane for acting on a workpiece which is arbitrarily positioned on the plane and which is provided with a linear reference pattern. The robot hand is swept along a predetermined locus on the plane according to programmed position data to determine the position of the workpiece. A detector mounted on the hand moves relative to the plane together with the hand for detecting the linear reference pattern whenever the hand crosses the linear reference pattern during the sweep movement of the hand to produce a corresponding detection signal.

Abstract: The present invention deals with a quartz-type gas pressure gauge which utilizes resonance of a quartz vibrator that changes depending upon the pressure, wherein the quartz vibrator is of the type of tuning fork obtained from a Z-plate of quartz crystal that is cut at an angle of greater than 1.degree.50' with respect to the Y-axis, in order to prevent the occurrence of erroneous measurement that will be caused by the change of ambient temperature particularly in low pressure regions.

Abstract: A driving apparatus for effecting linear movement of an industrial robot comprises a slide member axially slidably disposed within a frame, a ball nut secured to the slide member and a ball screw threaded through the ball nut and rotationally driven relative to the ball nut to effect linear movement of the ball nut along the ball screw accompanied by linear movement of the slide shaft. A bracket is adjustably mounted on the frame for rotatably supporting the shaft of the ball screw. The bracket can be displaced relative to the frame in the transverse direction of the slide member to align the axis of the ball screw with the axis of the slide member during assembly of the apparatus. A thrust bearing is disposed between the shaft of the ball screw and the bracket to absorb radial displacement and strain of the ball screw shaft.

Abstract: An apparatus for mass-analyzing ions contained in plasma. A first vacuum chamber is maintained in a relatively low vacuum state and has a first aperture disposed adjacent to a plasma source for admitting therethrough the plasma into the first vacuum chamber. A second vacuum chamber is maintained in a relatively medium vacuum state and has a second aperture communicating between the first and second vacuum chambers. An ion extracting electrode is disposed in the second vacuum chamber for extracting ions contained in the plasma through the second aperture to form an ion stream composed of the extracted ions. A third vacuum chamber is maintained in a relatively high vacuum state and has a third aperture communicating between the second and third vacuum chambers.

Abstract: Two Hall effect devices are series-connected to form a magnetic sensor. Each of the Hall effect devices has a pair of Hall terminals for developing a Hall voltage when exposed to an external magnetic field. A comparator compares the potentials of two selected Hall terminals of the different Hall devices with each other to produce a compared signal. A switching element is connected to one of the Hall devices to control the potential of the Hall terminals to equalize the potentials of the two selected Hall terminals in response to the compared signal. Two non-selected Hall terminals develop positive and negative Hall voltages, respectively, relative to the selected Hall terminals so that the magnetic sensor produces a totalized Hall voltage of the two Hall effect devices.

Abstract: An automated drawing system has an automatic drawing machine which receives input data from a central control unit for making a drawing on a roll of drawing paper in accordance with the input data. At the time of making the drawing, the automatic drawing machine also encodes the drawing paper with a bar code pattern representative of the lengthwise and widthwise size of the drawing. The drawing paper is then advanced to a paper cutter system which includes a bar code reader for reading and decoding the bar code pattern and for producing therefrom control signals indicative of the desired lengthwise and widthwise size of the drawing. These control signals are fed to a Y-axis or widthwise cutter and an X-axis or lengthwise cutter which accordingly cut the drawing paper in lengthwise and widthwise directions to obtain a cut piece of drawing paper containing thereon the drawing and having a size determined by the bar code pattern.

Abstract: A matrices elements memory is constituted by random access memories, and its addresses are divided into a high address and a low address. The high address specifies areas holding matrix elements, and the low addresses of the matrix elements are designated sequentially bit-by-bit, starting from the least significant bit, so as to enable serial reading. A calculation unit consists of pairs of serial multiplicators which are either used in a cascade connection or independently as independent multiplicators, in order to correspond to the data length of a multiplicand.

Abstract: A support mechanism for a cylindrical coordinate type industrial robot comprising a stationary upstanding tubular outer member and a displaceable inner member supported within the outer member to undergo axial displacement in upward and downward directions and angular displacement in clockwise and counterclockwise directions. The supporting mechanism includes a bearing interposed between the inner and outer members, the bearing including a retaining member rollably retaining thereon a plurality of rollable elements. An elastic balancing and restoring device for applying elastic biasing forces in opposite axial directions to the upper and lower ends of the retainer member is operative in the event the retainer member fails to maintain proportionate displacement with the inner member to temporarily increase the magnitude of the force difference between the oppositely directed elastic biasing forces in a direction effective to restore the proportionate displacement.

Abstract: A coolant preservation container having vacuum space in a peripheral portion of the interior thereof for making a container member adiabatic and a partition for dividing the container member into a plurality of chamber. Each chamber has ports from and via which a coolant is taken out from and returned to the chamber. These ports are suited to circulate a coolant contained in the chamber on external cooling trap.

Abstract: An interface circuit of video signal hard copy apparatus for optimizing a phase of a sampling clock to an image signal. A delayed signal of a video sync signal is employed for a reference input signal of a sampling clock generation circuit. The delay quantity of the video sync signal is arbitrarily set by a control circuit. The delay quantity corresponding to the point of change of sampled data is detected by a CPU circuit according to the sequential comparison with some of the sampled data of an image signal in the plural delay quantities. A stable sampling can be attained even for a high frequency video signal exceeding 100 MHz by setting the optimum delay quantity according to the detected delay quantity.

Abstract: A sampling clock phase correction circuit of video signal to keep stably a phase of a sampling clock to an image signal. A delayed signal of a video sync signal is employed for a reference signal of a sampling clock generation circuit. The delay quantity of the video sync signal is controlled to sample stably the video image signal according to the comparison and discrimination of a phase relation between a sampling clock signal and a video sync signal by a phase detection circuit and a CPU circuit. A precise phase correction where a characteristic change of circuit elements by a temperature drift or the like is compensated can be attained even for a high frequency video signal exceeding 100 MHz.