PROBLEM TO BE SOLVED: To provide a piezoelectric device which can be excellently sealed while reducing its height and ensuring an area of mounting a piezoelectric resonation element, and to provide a manufacturing method thereof.

SOLUTION: This piezoelectric device has a piezoelectric resonation element mounted to a rectangular integrated circuit element for oscillation via a mounting pad; ...

PROBLEM TO BE SOLVED: To execute AD conversion in which frequency characteristics are successful and waveform distortion is hard to occur.

SOLUTION: This AD converter 100 has: a track hold circuit 12; a constant voltage source 14; a threshold voltage selection circuit 16; a first comparator CMP1 to a seventh comparator CMP7; an encoder 22 and a reference voltage output circuit 24. The track...

PROBLEM TO BE SOLVED: To provide a capacitive load driving circuit that assures an even output voltage frequency characteristic in a driving frequency band and enables low loss driving, when a capacitive load is driven with a D-class power amplifier.

SOLUTION: An LC low-pass filter 15 is provided on the output side of an output stage 14 of a D-class power amplifier, and an output of the LC ...

PROBLEM TO BE SOLVED: To provide an electric motor that improves assembling workability while surely preventing the dispersion of input conductors to a stator and their contacts to other members, and improving the reliability and durability of a device.

SOLUTION: This electric motor comprises a stator, in which a plurality of bobbins, where coil portions wound with conductors are formed, ar...

PROBLEM TO BE SOLVED: To provide a converter device that reduces the electromagnetic interference (EMI) with an optimum circuit structure at the input side of a PWM rectifier.

SOLUTION: This converter device, provided with the PWM rectifier 4 and a first AC rector 3a at the input side of the PWM rectifier 4, converts electric power from AC to DC. In this device, a common mode transformer 2 ...

PROBLEM TO BE SOLVED: To perform treatment of a transient wire by effectively utilizing the space on one axial end side of a stator.

SOLUTION: After salient poles 18a-18r are divided into two opposing sets for each phase and coil winding sets 100, 200, 300 are wound around the salient poles for each phase of one set, jumper wires 102, 202, 302 are laid along the upper-stage transient line p...

PROBLEM TO BE SOLVED: To provide a travel vehicle whose brake pedal can be stepped down to return a speed change lever from a high speed side to a low speed neutral side in both the forward and backward directions and which can improve speed-reducing accuracy and safety in both the forward and backward directions with a simple structure.

SOLUTION: This travel vehicle is characterized by hav...

PROBLEM TO BE SOLVED: To provide a method for searching a compound for controlling inflammations and allergies induced by neuromedin U.

SOLUTION: The method for identifying a compound having anti-inflammatory action and anti-allergic action comprises (1) a process for bringing neuromedin U into contact with mastocytes in the presence or absence of a test compound, (2) a process for assaying...

PROBLEM TO BE SOLVED: To solve the problem that a conventional interdental brush having a pointed filament tuft has a flat filament tip since the filaments having a flat tip are bundled into a pointed form, or has a sharp filament tip since the whole filament tuft is cut or ground, a tapered portion formed by cutting or grinding is approximately 0.5 mm, so that the gums have possibility of bein...

PROBLEM TO BE SOLVED: To provide a method of X-ray tomography allowing an operator to obtain projection data necessary for reconstruction of an image while confirming the electro-cardiograph information and confirming the value of the electric current in an X-ray tube.

SOLUTION: The method of X-ray tomography 200 for forming a tomographic image of a subject with radiation from a radiation s...

PROBLEM TO BE SOLVED: To make it difficult that players can previously recognize whether the display mode during the variable display of identifying information such as display symbols by a plurality of display means will present the specified one or not before the result of the variable display is derived and displayed.

SOLUTION: When the judgment of offering the jackpot is made with the s...

PROBLEM TO BE SOLVED: To reduce disadvantage of a player when playing and settling by giving a priority to a process of dispensing fractional game media even if something abnormal such as a temporary ball clogging occurs during the dispensing process, in a case where a recording medium has a negotiable value of a basic dispensing unit or more.

SOLUTION: When a card processing unit 50 receiv...

PROBLEM TO BE SOLVED: To provide a small-sized and low-cost Roman shade of a drum-wound type, which is capable of achieving a front/rear or left/right double curtain type.

SOLUTION: In a head rail 1, first and second winding shafts 2 and 3 respectively having drums 4 and 5 are supported turnably. One end sides of first and second control cords 6 and 7 are respectively connected to the drums...

PROBLEM TO BE SOLVED: To provide a wood branch/leaf crushing machine capable of definitely reducing a crushing sound that leaks outside.

SOLUTION: In the wood branch/leaf crushing machine, a shooter 60 that discharges crushed pieces is provided at a crushing machine body 5 that crushes injected wood branch/leaves, and an acoustic material 63 is affixed to an internal surface of the shooter ...

PROBLEM TO BE SOLVED: To provide a dampening water removing device for enabling to remove an excess dampening water by efficiently utilizing air and an offset printing method for enabling to obtain a high quality stable printed material by employing the dampening water removing device without using the temperature controlling device in a printing press roller.

SOLUTION: An offset printing p...

PROBLEM TO BE SOLVED: To provide a press of paper web which is simply, quickly and economically engaged in a printing unit.

SOLUTION: An engaging system 69 for engaging the paper web 3 is provided to the press 1. The engaging system 69 has a bar 70 for towing the paper web 3, which can be practically elongated over all length of blanket cylinders 22A, 22B inside a frame 28, and at least one...

PROBLEM TO BE SOLVED: To provide a lightweight tire 2 which is superior in driveability and obtained at low cost.

SOLUTION: The tire 2 has a fiber-reinforced layer 20. The fiber-reinforced layer 20 overlies a main body 32 of a carcass 10. A part of the fiber-reinforced layer 20 overlies an apex 28. The fiber-reinforced layer 20 is composed of a cross-linked rubber composition. The rubber co...

PROBLEM TO BE SOLVED: To provide a speed change controller for a vehicular automatic transmission realizing speed change in a short time while securing a torque down amount necessary for speed change.

SOLUTION: Since an inertia phase end period determining means 94 is provided for determining whether it is an inertia phase end period of speed change or not, a restoration control means 90 is...

PROBLEM TO BE SOLVED: To provide a pneumatic tire simultaneously satisfying on-ice gripping performance and on-ice steering stability.

SOLUTION: This pneumatic tire is provided with a side wall part constituted of two layers or more including at least inner layer and outer layer. The outer layer forms the surface of the side wall, and the inner layer has an exposed part to the surface of th...