Abstract: An angular velocity sensor includes a stem and a vibrator that is supported by the stem. The vibrator is inclined to a mounting surface of the stem. The angle of inclination of the vibrator to the mounting surface is adjustable. For this reason, the angular velocity sensor also includes a holding member that holds the vibrator. This holding member is elastically deformable. A single material may be folded to shape the holding member.

Abstract: A tuning-fork type vibration gyro enables to suppress pyroelectric noise caused by temperature change and to obtain sensor output having high signal-to-noise ratio. The tuning-fork type vibration gyro includes a tuning-fork type vibration body having two arms mutually disposed in parallel and a base for commonly supporting one end of the each arm, wherein a longitudinal direction of the two arms is defined as a z-axis and a perpendicular direction thereto is defined as an x-axis; driving electrodes respectively formed on the two arms for generating vibration of the two arms in a direction parallel to the x-axis; detecting electrodes respectively formed on the two arms for detecting electromotive force generated when the tuning-fork type vibration body is rotated around the z-axis; and dummy electrodes formed on the two arms in respective areas different from the driving electrodes and the detecting electrodes.

Abstract: A tuning-fork vibration gyro including a ferroelectric tuning-fork vibration body generating a plurality of sensor signals and a sensor circuit to which the sensor signals generated by the tuning-fork vibration body are input. The sensor circuit includes a differential amplifier having two input terminals between which the sensor signals are input, and a capacitor being connected between the two input terminals of the differential amplifier.

Abstract: An angular velocity sensor includes a stem and a vibrator that is supported by the stem. The vibrator is inclined to a mounting surface of the stem. The angle of inclination of the vibrator to the mounting surface is adjustable. For this reason, the angular velocity sensor also includes a holding member that holds the vibrator. This holding member is elastically deformable. A single material may be folded to shape the holding member.

Abstract: A tuning-fork type vibration gyro enables to suppress pyroelectric noise caused by temperature change and to obtain sensor output having high signal-to-noise ratio. The tuning-fork type vibration gyro includes a tuning-fork type vibration body having two arms mutually disposed in parallel and a base for commonly supporting one end of the each arm, wherein a longitudinal direction of the two arms is defined as a z-axis and a perpendicular direction thereto is defined as an x-axis; driving electrodes respectively formed on the two arms for generating vibration of the two arms in a direction parallel to the x-axis; detecting electrodes respectively formed on the two arms for detecting electromotive force generated when the tuning-fork type vibration body is rotated around the z-axis; and dummy electrodes formed on the two arms in respective areas different from the driving electrodes and the detecting electrodes.

Abstract: A tuning-fork type vibration gyro enables to suppress pyroelectric noise caused by temperature change and to obtain sensor output having high signal-to-noise ratio. The tuning-fork type vibration gyro includes a tuning-fork type vibration body having two arms mutually disposed in parallel and a base for commonly supporting one end of the each arm, wherein a longitudinal direction of the two arms is defined as a z-axis and a perpendicular direction thereto is defined as an x-axis; driving electrodes respectively formed on the two arms for generating vibration of the two arms in a direction parallel to the x-axis; detecting electrodes respectively formed on the two arms for detecting electromotive force generated when the tuning-fork type vibration body is rotated around the z-axis; and dummy electrodes formed on the two arms in respective areas different from the driving electrodes and the detecting electrodes.

Abstract: Disclosed is a nickel positive electrode for alkaline storage batteries with superb utilization of nickel hydroxide in an atmosphere from room temperature to high temperature. The positive electrode comprises a nickel hydroxide particle or a nickel hydroxide particle with one or more elements other than Ni incorporated therein, a coating layer which comprises a compound of cobalt having a mean valence over 2 and which coats the nickel hydroxide particle, and a compound of at least one element selected from the group consisting of Ca, Sr, Ba, Cu, Ag, Cd, Y, Yb, Ce, Sm, Gd and Er.

Abstract: A tuning-fork type vibration gyro enables to suppress pyroelectric noise caused by temperature change and to obtain sensor output having high signal-to-noise ratio. The tuning-fork type vibration gyro includes a tuning-fork type vibration body having two arms mutually disposed in parallel and a base for commonly supporting one end of the each arm, wherein a longitudinal direction of the two arms is defined as a z-axis and a perpendicular direction thereto is defined as an x-axis; driving electrodes respectively formed on the two arms for generating vibration of the two arms in a direction parallel to the x-axis; detecting electrodes respectively formed on the two arms for detecting electromotive force generated when the tuning-fork type vibration body is rotated around the z-axis; and dummy electrodes formed on the two arms in respective areas different from the driving electrodes and the detecting electrodes.

Abstract: The Reed-Solomon error-correcting circuit in accordance with a first invention is constructed so as to perform parallel operation by two-step pipelined processing in a syndrome generating circuit and an error-correcting circuit. The error-correcting circuit operates in synchronization with a clock with a period of 1/N the period of the received symbol clock, where N≧1, and N is an integer. Further, an error-locator-polynomial/error-evaluator-polynomial calculating circuit in the error-correcting circuit has a memory in which the syndrome is input and a Galois-field operations circuit that is connected to the memory. By these means, the Reed-Solomon error-correcting circuit in the present invention performs high-speed processing with small-scale hardware. Further, in an Euclid's algorithm that obtains an error-locator-polynomial, by performing Galois-field operations, from the syndrome equation S(z)=sk−1zk−1+sk−2zk−2+ . . .

Abstract: A reed switch unit 44 for detecting a liquid level in a reservoir 30 of a master cylinder which comprises a reed switch 11 including a contact part 14 which is sealingly contained in a glass tube 16, and lead portions 18, 18 which axially extend from opposite ends of the glass tube 16, and a unit body 45 provided with terminals 50 for respectively supporting the lead portions 18, 18 so as to be electrically connectable thereby to fix the reed switch 11. The lead portions 18 and the terminals 50 are connected with each other by means of a resistance welding. Accordingly, it is possible to provide a reed switch unit which is improved in quality as well as enhanced in productivity, by mounting a reed switch on a unit body without conducing soldering.

Abstract: Disclosed is a nickel positive electrode for alkaline storage batteries with superb utilization of nickel hydroxide in an atmosphere from room temperature to high temperature. The positive electrode comprises a nickel hydroxide particle or a nickel hydroxide particle with one or more elements other than Ni incorporated therein, a coating layer which comprises a compound of cobalt having a mean valence over 2 and which coats the nickel hydroxide particle, and a compound of at least one element selected from the group consisting of Ca, Sr, Ba, Cu, Ag, Cd, Y, Yb, Ce, Sm, Gd and Er.

Abstract: Disclosed is a nickel positive electrode for alkaline storage batteries with superb utilization of nickel hydroxide in an atmosphere from room temperature to high temperature. The positive electrode comprises a nickel hydroxide particle or a nickel hydroxide particle with one or more elements other than Ni incorporated therein, a coating layer which comprises a compound of cobalt having a mean valence over 2 and which coats the nickel hydroxide particle, and a compound of at least one element selected from the group consisting of Ca, Sr, Ba, Cu, Ag, Cd, Y, Yb, Ce, Sm, Gd and Er.

Abstract: In a brake hydraulic controller for controlling a hydraulic pressure from a master cylinder operative to a wheel brake, the controller includes a base, a normally open electromagnetic valve for connecting the master cylinder and the wheel brake, a reservoir, a normally closed electromagnetic valve for connecting the wheel brake and the reservoir, a return pump for returning hydraulic fluid received from the reservoir to the master cylinder, a damper, and a cover for covering the normally open and closed electromagnetic valves, the reservoir, and the damper with a surface of the cover. The cover includes a seal groove and a sealing member fitted to the seal groove for elastically contacting the surface. The brake hydraulic controller can minimize the number of parts required for waterproofing and reduce the number of manhours required for assembling.

Abstract: An apparatus for testing the thermal shock fracture strength of ceramics. The apparatus includes supporting means for supporting a ceramic test piece shaped as a rectangular parallelepiped at a first side surface thereof, force-detecting means for restraining a predetermined location of a second side surface of the ceramic test piece, the second side surface facing the first side surface, the force-detecting means and the supporting means restraining any deformation of the ceramic test piece when the second side surface of the ceramic test piece is heated, the force-detecting means being adapted to detect a force acting on the force-detecting means from the ceramic test piece, which tends to be deformed, but which deformation is restrained, means for moving the supporting means to press the ceramic test piece against the force-detecting means, and a heat-emissive element, which is an electric heater, for covering and heating the second side surface to cause a thermal shock in the ceramic test piece.

Abstract: A syndrome calculation unit 101 forming a first pipeline stage, a Euclidean algorithm arithmetic operation/error value calculation unit 102 and a Chien search unit 103 together forming a second pipeline stage, and an error correction unit 105 forming a third pipeline stage are provided. The unit 102 implements, by iterative use of a single inverse element calculator, a single Galois multiplier, and a single Galois adder, the Euclidean algorithm arithmetic operation of finding an error locator polynomial .sigma.(z) and an error evaluator polynomial .omega.(z) from a syndrome polynomial S(z) and the calculation of finding an error value e.sub.u by dividing an error evaluation value .omega.(.alpha..sup.-ju) by an error locator polynomial differential value .sigma.'(.alpha..sup.-ju).

Abstract: A positive electrode active material and a positive electrode for an alkaline storage battery are disclosed which exhibit high charge efficiency at a high temperature. The positive electrode active material comprises particles formed by agglomeration of crystals of nickel hydroxide active material, at least the surface layer of the particles containing a solid solution nickel hydroxide with manganese incorporated therein. The solid solution is present as crystals growing on the crystal surface of said nickel hydroxide active material and/or crystals independent of crystals of the nickel hydroxide active material. The content of manganese in the solid solution is at least one mole percent on the whole metal ions in the solid solution and not higher than 10 mole percent on the combined total amount of the metal ions in the nickel hydroxide active material and the solid solution.

Abstract: The present invention provides a high performance composite hydroxide active material which facilitates charging at high temperatures. It comprises a solid solution nickel hydroxide material having additive elements incorporated therein. The additive elements comprise at least one element selected from group A consisting of Fe, Cr, V, Ti, Y, La, Ce, Al, and Pb, and at least one element selected from group B consisting of Mn and Co.

Abstract: A nickel positive electrode for an alkaline storage battery having an improved utilization is disclosed. It comprises a nickel hydroxide powder and a cobalt hydroxide powder, wherein the cobalt hydroxide powder has a specific surface area of 10 m.sup.2 /g or larger and a particle diameter of one-half or less of that of the nickel hydroxide powder. A nickel-metal hydroxide storage battery having this nickel positive electrode is also disclosed.

Abstract: In a hydraulic apparatus providing a base with a discharge passage coupler to a circumferential portion of an annular discharge passage and to a damper chamber, a hydraulic device is connected via an orifice to the discharge passage without arranging the annular discharge passage between the damper chamber and the orifices, so that the damper chamber and the orifices cooperate together to exert an effective attenuating action thereon so as to suppress the transfer of pressure pulsation thereto effectively.

Abstract: A signal vector sequence corresponding to one block which is inputted in continuous n symbol sections is held in a vector sequence holding portion 11. A virtual information generating portion 12 and a coding portion 13 successively generate, with respect to N paths which can exist in the one block, corresponding virtual code vector sequences. A metric calculating portion 14 receives the signal vector sequence held in the vector sequence holding portion 11 and each of the virtual code vector sequences applied from the coding portion 13 to calculate respective metrics of the N paths. A metric comparing portion 16 and a metric holding portion 15 judge a maximum likelihood path having the minimum metric on the basis of the respective metrics calculated by the metric operating portion 14.