Abstract: A secondary-battery maximum-capacity measuring apparatus, includes: a current dependency processing unit configured to convert an inter-terminal voltage and an open cell voltage of a secondary battery into values without depending on a load current based on an amount of change in relative value of a voltage during a time period when a constant current is drawn from the secondary battery; and an error calculation unit configured to compute errors of the inter-terminal voltage and the open cell voltage of the secondary battery, the inter-terminal voltage and the open cell voltage being converted by the current dependency processing unit.

Abstract: A recording apparatus includes a recording head, a carriage having an opening on which the recording head is mounted in a state that the liquid ejection surface of the recording head faces the opening, the carriage being configured to reciprocate, a ground member that is mounted on the carriage so as to ground the recording head, and a sensor unit that is mounted on the carriage so as to perform sensing by using reciprocation of the carriage and has a ground mechanism which is connected to the ground member, wherein the ground member is disposed at a position in contact with the recording head mounted on the opening.

Abstract: A secondary-battery maximum-capacity measuring apparatus, includes: a current dependency processing unit configured to convert an inter-terminal voltage and an open cell voltage of a secondary battery into values without depending on a load current based on an amount of change in relative value of a voltage during a time period when a constant current is drawn from the secondary battery; and an error calculation unit configured to compute errors of the inter-terminal voltage and the open cell voltage of the secondary battery, the inter-terminal voltage and the open cell voltage being converted by the current dependency processing unit.

Abstract: A recording apparatus includes a recording head, a carriage having an opening on which the recording head is mounted in a state that the liquid ejection surface of the recording head faces the opening, the carriage being configured to reciprocate, a ground member that is mounted on the carriage so as to ground the recording head, and a sensor unit that is mounted on the carriage so as to perform sensing by using reciprocation of the carriage and has a ground mechanism which is connected to the ground member, wherein the ground member is disposed at a position in contact with the recording head mounted on the opening.

Abstract: There is provided a battery characteristic evaluator configured to identify a circuit constant of an equivalent circuit model based on a current-voltage characteristic of a battery. The battery characteristic evaluator includes: a current waveform divider configured to divide a certain current waveform into a plurality of step functions with a plurality of infinitesimal time intervals and output the step functions; and a circuit constant optimizing unit configured to calculate the optimized circuit constant of the equivalent circuit model, based on the step functions, a measured voltage value, and equivalent circuit model data.

Abstract: A switch circuit includes: a first input and output terminal; a first inductor connected with the first input and output terminal; a capacitor connected with the first inductor; a second input and output terminal connected with the capacitor; a first MEMS switch connected with one end of the capacitor; a second MEMS switch connected with the other end of the capacitor; and a second inductor connected between the first MEMS switch and the second MEMS switch, and satisfies a relationship of f=1/(2??CL1)=1/(2??CL2), where L1 is an inductance of the first inductor, L2 is an inductance of the second inductor, C is a capacitance of the capacitor, and f is a use frequency.

Abstract: A liquid ejection apparatus including a carriage 8 that moves a head capable of ejecting liquid back and forth in a first direction D1 and a second direction D2 opposite to the first direction D1, a linear scaler 9 that is provided along the first direction D1 and the second direction D2, for recognizing the position of the carriage 8, and a mist guide 21 that is provided so as to be extended from the carriage 8 so as to face the linear scaler 9. The mist guide 21 includes the first slope surface 21b forming the acute slope angle R2 with respect to the first direction D1 and the second slope surface 21a forming the acute slope angle R1 with respect to the second direction D2.

Abstract: A switch circuit includes: a first input and output terminal; a first inductor connected with the first input and output terminal; a capacitor connected with the first inductor; a second input and output terminal connected with the capacitor; a first MEMS switch connected with one end of the capacitor; a second MEMS switch connected with the other end of the capacitor; and a second inductor connected between the first MEMS switch and the second MEMS switch, and satisfies a relationship of f=1/(2??CL1)=1/(2??CL2), where L1 is an inductance of the first inductor, L2 is an inductance of the second inductor, C is a capacitance of the capacitor, and f is a use frequency.

Abstract: A resistor 8 for dividing a voltage applied to an anti-parallel diode pair 5 for mixing a DC pulsed signal and a local oscillation signal LO is disposed in pulse modulation circuitry. Therefore, the ratio of the output power of an RF pulsed signal outputted to an RF pulse output terminal 7 at the time of the ON state and the output power at the time of the OFF state can be increased.

Abstract: High-frequency ceramics containing SiO2, Al2O3, MgO, ZnO and B2O3 as constituent components, said ceramics comprising: 30 to 50% by weight of a crystal phase containing ZnO and Al2O3; 5 to 15% by weight of a crystal phase containing SiO2 and MgO; and 40 to 60% by weight of an amorphous phase comprising substantially SiO2 or SiO2 and B2O3; wherein the content of the SiO2 crystal phase is suppressed to be not larger than 6% by weight. The ceramics has a dielectric loss at 60 GHz of not larger than 15×10−4, exhibiting excellent high-frequency characteristics, and is very useful as an insulating substrate for the wiring boards that deal with high-frequency signals.

Abstract: High-frequency ceramics containing SiO2, Al2O3, MgO, ZnO and B2O3 as constituent components, said ceramics comprising: 30 to 50% by weight of a crystal phase containing ZnO and Al2O3; 5 to 15% by weight of a crystal phase containing SiO2 and MgO; and 40 to 60% by weight of an amorphous phase comprising substantially SiO2 or SiO2 and B2O3; wherein the content of the SiO2 crystal phase is suppressed to be not larger than 6% by weight. The ceramics has a dielectric loss at 60 GHz of not larger than 15×10−4, exhibiting excellent high-frequency characteristics, and is very useful as an insulating substrate for the wiring boards that deal with high-frequency signals.

Abstract: In a power steering apparatus provided with a damper valve, a second valve apparatus of the damper valve is provided with a valve plate in contact with and apart from a partition member so as to open and close a through flow passage provided in the partition member, and a fluid storing recess portion is provided in a contact area between the partition member and the valve plate.

Abstract: A tie rod mounting structure in a center take-off type power steering apparatus comprises the following: respective inner ends of a pair of right and left tie rods are swingably connected to a leg portion of a T-shaped connection member, both arm portions of the T-shaped connection member are respectively connected to a rack shaft by a bolt extending through a guide shoe sliding within a notch groove formed along a lengthwise direction of a gear box housing, and the respective inner ends of the pair of right and left tie rods laterally move in accordance with a lateral motion of the rack shaft while being guided by the guide shoe.

Abstract: A center take-off type hydraulic power steering apparatus structured such that respective inner ends of a pair of right and left tie rods are provided so as to be positioned at a substantially center portion of a vehicle body. One end of a rack shaft commonly serving as a power piston rod passes through a power cylinder so as to protrude in a direction of a wheel house and a dust boot is put over between one end of the rack shaft and one end of the power cylinder housing, wherein a boot guard shutting a side opposing to the wheel house of the dust boot is mounted to one end of the rack shaft.

Abstract: In a power steering apparatus provided with a damper valve, the damper valve holds a partition member between a cap and the housing.

Abstract: A seal structure of a tie rod mounting portion in a center take-off type power steering apparatus structured such that respective inner ends of a pair of right and left tie rods are swingably connected to a leg portion of a T-shaped connection member. Both arm portions of the connection member are respectively connected to a rack shaft by a bolt passing through a guide shoe sliding within a notch groove formed along a lengthwise direction of a gear box housing, the respective inner ends of a pair of right and left tie rods laterally move in accordance with a lateral motion of the rack shaft while being guided by the guide shoe, a center portion of a dust boot is gripped between the guide shoe and both of the arm portions of the connection member by being passed through by the bolts.

Abstract: A center take-off type power steering apparatus having a gear housing and a power cylinder positioned regarding a rotation direction of the power cylinder about a common center axis of the both by a pin forcibly fitted into one of the gear housing and the power cylinder, the gear housing and the power cylinder being fixed regarding the axial direction of the power cylinder by causing a stopper ring provided at one of the gear housing and the power cylinder and a lock nut screwed to the other thereof to abut on each other.

Abstract: A damper valve for a hydraulic power steering device is disposed in a hydraulic oil circuit connecting an oil passage changing-over valve in a gear box and left and right oil chambers of a power cylinder. It is provided with a piston valve which is opened by through-flow of hydraulic oil returned back to the oil passage changing-over valve from either one of the left and right chambers of the power cylinder, and a check valve which is disposed in a valve body of the piston valve and which allows only hydraulic oil supplied from the oil passage changing-over valve to either one of the left and right chambers of the power cylinder to flow through the check valve. The piston valve is structured such that a throttle oil passage is formed by through flow of the returned hydraulic oil having an oil pressure of a predetermined value or less, and a fully opened oil passage is formed by through flow of the returned hydraulic oil having an oil pressure of more than the predetermined value.

Abstract: A hydraulic pressure control valve includes a valve body having a slide bore with a circular cross-section, an inlet port opened in an inner surface of the slide bore, a control pressure port and an outlet port at axially spaced-apart distances in this sequence; a valve spool axially slidably fitted in the valve body; and a first variable orifice and a second variable orifice both formed between the valve body and the valve spool. The first variable orifice controls the degree of communication between the inlet port and the control pressure port, and the second variable orifice controls the degree of communication between the control pressure port and the outlet port. In this hydraulic pressure control valve, the valve spool has smaller diameter portions coaxially formed therein to define annular oil passages between the inner surface of the slide bore and the valve spool and each smaller diameter portion has an outer diameter set uniformly over the axially entire length thereof.

Abstract: A hydraulic pressure control valve comprises a valve body having a slide bore of a circular cross-section and an inlet port and an outlet port opened into an inner surface of the slide bore at axially spaced apart points, and a valve spool slidably received in the valve body for axially sliding movement and defining, by cooperation with the valve body, a variable orifice for controlling the degree of communication between the inlet and outlet ports. In the hydraulic pressure control valve, a smaller diameter portion defining an annular oil passage between an inner surface of the slide bore is provided on the valve spool coaxially with the slide bore to define the variable orifice, and has an outside diameter set constant over axially entire length. This facilitates the dimensional control of the variable orifice, so that the variation in property of the variable orifice for every hydraulic pressure control valve may be easily suppressed.