PROBLEM TO BE SOLVED: To improve support system lineality and a distortion factor property of a passive radiator unit for improving bass reproduction property in a Kelton (phonetic) speaker system, a phase inversion speaker system, and so on, using the passive radiator unit. SOLUTION: An underplate 104, combined with a lower edge 103, is mounted on a diaphragm combined with an upper edge 101 to co...

PROBLEM TO BE SOLVED: To provide a regulation means which can regulate an A/D value using a simple and low-cost constitution, and enables easy automation of regulation work. SOLUTION: This device is provided with an analog input means which measures control data and converts them into a fixed voltage signal, an A/D converter which turns the voltage signal into a numerical value and converts it int...

PROBLEM TO BE SOLVED: To provide a yoke structure of an inner rotor-type thin and low noise fan motor, on which a coil can be mounted simply without requiring even a special coil winding machine. SOLUTION: An upper yoke 1 is formed with two upper brim parts 1b toward the center from a ring-shaped external peripheral part 1a. A lower yoke 3 is formed with two support parts 3b, directed toward the l...

PROBLEM TO BE SOLVED: To increase the 'maximum energy product' and 'residual magnetic flux density' of an excitation permanent magnet, as much as possible. SOLUTION: A plurality of excitation permanent magnets, formed into a flat tip shape, are used for utilization of magnetic substances with high performance. By storing them in a polygonal magnetic case after polarization, the excitation permanen...

PROBLEM TO BE SOLVED: To realize a synchronous motor, having high efficiency and high power factor. SOLUTION: The synchronous motor is provided with a stator generating a rotating magnetic field, and a rotor which is rotated inside the stator by a shaft while applying electromagnetic action to the stator; in the stator, a multiphase winding 2 is wound around an amorphous core 1 where amorphous ste...

PROBLEM TO BE SOLVED: To obtain a small ripple-stable output voltage from a charge-pump type boosting circuit. SOLUTION: The boosting circuit 1A is provided with primary-side capacitors C1a and C1b and switching circuits SW1 and SW2, respectively connected to the capacitors C1a and C1b. The circuit 1A is constituted to control the switching of the switching circuits SW1 and SW2 by respectively sen...

PROBLEM TO BE SOLVED: To provide a brushless motor drive control unit, that can effectively inhibit the generation of torque variation and noise due to current variation, regardless of the rotational speed of a motor, and construct a low-noise electric power steering apparatus having improved steering feeling, when applied as the drive control unit of the assist brushless motor of the electric pow...

PROBLEM TO BE SOLVED: To provide a drive apparatus of a motor-driven compressor for an automotive air conditioner, in which a small and economical switch can be used as a switch which cuts off a current supplied to a DC-DC converter for a control circuit of an inverter apparatus. SOLUTION: In a motor drive circuit 12 which has an automotive battery 11, an inverter apparatus 13 housed in an electro...

Production of galanthamine compounds (1) involves oxidizing an alpha , beta -ethylenic ketone compound (10) into a spirodienone compound (11). Production of galanthamine compounds of formula (1) involves oxidizing an alpha , beta -ethylenic ketone compound of formula (10) into a spirodienone compound of formula (11). R1 = H, and R2 = OH, or R1 + R2 = =O; R3-R5 = H, OH or 1-12C alkoxy; R6 = H,...

The system includes processors each of which can drop an optical signal contained in one channel of an incoming optical multiplex signal and add an optical signal to the multiplex signal channel thereby made available. Each processor includes an optical signal drop filter and an optical signal add filter for an individual channel of particular wavelength, and these filters are connected by an opti...

the system ensures correct balancing of final output multiplex signal after re-insertion of signals. A selection module (J) receives an upstream multiplex (M) and selectively diverts at least one channel of this multiplex towards an extraction port (C). A switching element (K) orientates this channel and directs it during certain periods towards an insertion port (D) for the re-insertion into the ...

PROBLEM TO BE SOLVED: To easily and repeatedly output audio information, etc., in a desired form from an optically readable code. SOLUTION: A recording medium 12 has a part where data including at least audio information are recorded as the optically readable code 10; and the dot code 10 includes information (repetition frequency 44B) regarding the repetition frequency at which an information repr...

PROBLEM TO BE SOLVED: To provide a data collecting method by which each control unit intensively collects and processes at least some pieces of data with which the operation of the entire plant should be monitored concerning a production plant and which is inexpensively and easily realized. SOLUTION: In this production plant, automatic manufacturing and packing machines (2) respectively have relat...

PROBLEM TO BE SOLVED: To provide a convenient remittance service which can fix a remitting amount according to a rule designated by a customer in advance and can carry out procedure for reremittance or correction on a network when the remittance according to the remittance request cannot be carried out. SOLUTION: Concerning automatic remittance request data transmitted from a user terminal 14 (S10...

PROBLEM TO BE SOLVED: To suitably control the exposure of the same advertisement information by using an audience's view history of advertisement information. SOLUTION: An advertisement selecting server sets prevention against the repetitive exposure of the same advertisement to an audience and the upper limit of an exposure frequency within a fixed advertisement exposure frequency. Or the prevent...

PROBLEM TO BE SOLVED: To suitably manage advertisement information to be inserted into contents distributed through the Internet. SOLUTION: Advertisement picture raw materials which are distributed through the Internet are put in an advertisement video group as one advertisement picture, whose distribution frequency, distribution period, etc., are managed. For example, advertisement picture raw ma...

PROBLEM TO BE SOLVED: To provide technology which obtains pieces of customer information from different fields and then manages promising information connectable with the development of new customer among them to obtain selection information on promising customers and which deploys effective advertisement to the promising customers. SOLUTION: This selection information managing method for promisin...

PROBLEM TO BE SOLVED: To provide a point data management system which is low in communication cost, stable and is capable of instantaneously cope with every point use by a customer. SOLUTION: A server installed at the headquarters and computer systems installed at respective bases are connected by two kinds of communication means of a real-time C/S system and a batch collection and distribution sy...

PROBLEM TO BE SOLVED: To provide a parking space display system in a parking lot and a monitor. SOLUTION: The system comprises a computer, a plurality of parking space display devices, a computer with a vehicle sensor interface, a data collection interface, a power supply device and a plurality of vehicle sensors. The computer is connected to a plurality of the parking space display devices that h...

PROBLEM TO BE SOLVED: To provide an impact resistance device for a removable storage device in which both of a vibration characteristic required at the time of actual use and an impact resistance characteristic at the time of carrying can be satisfied. SOLUTION: In an impact resistance device for a removable storage device holding a built-in device for storage using a buffer member 3 compressed at...