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Method and system for switching antennas during transmission time
intervals in OFDMA systems
A method and system switches antennas in an orthogonal frequency division multiplexed access (OFDMA) wireless communication system while transmitting symbols....
Remultiplexing apparatus and method based on reallocated decoding time
The remultiplexing apparatus includes a control information selector that selects a packet containing program control information from the inputted bit stream, a...
Method of assigning radio channels
A base station assigns a most appropriate carrier from wide frequency bands in response to a re-request for channel establishment received from a mobile station,...
Optical head device and optical disk apparatus
An optical head device 201 includes a light source 1, an objective lens group 13, a two-dimensional actuator 15, spherical aberration adding means 9, 10, and 16,...
A liquid crystal display according to this invention includes a liquid crystal display panel, a frame assembly accommodating the liquid crystal display panel and...
Zero-phase current detecting apparatus
In a zero-phase current detecting apparatus, a feedback loop is made up of a pulse generating unit, a current detecting unit, a peak detecting unit, an adding...
A magnet generator including a bowl-shaped flywheel which is formed of a cylindrical portion and a bottom portion on one end side of the cylindrical portion, a...
Incoming current suppression device
A control unit of an electric power supply system causes, responsive to a closing command signal, a switch corresponding to R phase to be thrown at a timing when...
Visual function disorder improving agents
The present invention provides a visual function disorder improving agent containing a compound having Rho kinase inhibitory activity, particularly ...
Matrix resin composition for fiber-reinforced plastics and process for
production of fiber-reinforced plastics
Provided are a matrix resin composition for fiber reinforced plastic, which comprises a bifunctional or trifunctional liquid diisocyanate, a bifunctional polyol...
Projection-type display apparatus
A projection-type display apparatus includes an illumination optical system (1) including a light source, a reflection-type light valve (2) having an image...
Control device for cut-off apparatus
Torque necessary for cutting band-like paper is properly distributed to both of the preceding motor and the following motor, thereby making it possible to...
Gear change control system of automatic transmission
A gear change control system of an automatic transmission, include: a shift member, including a shaft portion which is disposed in such a manner that a selection...
Heat exchanging wall, gas turbine using the same, and flying body with gas
A heat exchange wall include a base plate; a plurality of first protrusions distributedly provided on a surface of the base plate, and a plurality of second...
Installation structure of pilot nozzle of combustor
Pilot fuel injected from fuel injection ports 21 of a pilot nozzle 2 bumps against an inner wall surface of a tapered portion of an inner circumference of a cone...
Motor control apparatus for a hybrid vehicle
A motor control apparatus for a hybrid vehicle with a diesel engine provides for a reduced compulsory regeneration time period so as to achieve enhancement of...
Solar cell unit attaching apparatus
An apparatus for holding a plurality of solar cell units includes a mounting member to be fixed onto a roof, a plurality of fixtures, and a frame member having...
Communications system for position detector
A communications system for a position detector comprises a position detector for detecting the amount of movement of a table, an A/D converter connected to the...
Object segmentation using visible and infrared images
A method tracks an object. A sequence of visible images and a sequence of infrared images are acquired concurrently of a scene. A visible background image is...
Data distribution apparatus and data communications system
An RTP packet generating unit 11 packetizes data into packets, and adds identification information to the header of each of the packets, the identification...
Fundamental-wave light source and wavelength converter
A reflection element 3 disposed in an optical waveguide element 2 returns a part of light to a semiconductor laser diode element 1 so that the semiconductor...
Time-division synchronous wireless modem device
A time-division synchronous wireless modem device that includes: a modem unit which transmits and receives the communication packet; a communication state...
A radar apparatus can improve detection performance of a target, obtain high resolution without changing antenna construction, and suppress calculation load. A...
Serial-to-parallel conversion circuit and method of designing the same
The invention eliminates a race condition without restricting reception speed. The invention provides a method of designing a serial-to-parallel conversion...
Reactive power control apparatus for AC power system
A reactive power control apparatus for an AC power system includes a reactive power compensation device, a compensation capacitor device and a compensation...
There is provided a hybrid turbocharger that allows easy and quick attachment/removal of a coupling attachment boss to which an end section of a coupling is...
Wind turbine generator, active damping method thereof, and windmill tower
A wind turbine generator, an active damping method thereof, and a windmill tower in which vibrations of the wind turbine generator itself or the windmill tower...
Method of manufacturing semiconductor optical device
Method for manufacturing a semiconductor optical device includes forming an epitaxial structure containing at least an active layer which can emit light, of a...
Photocurable composition and coating composition
There are provided a photocurable composition capable of being readily cured by irradiation of ultraviolet rays and a cured product of the photocurable...
Fiber-reinforced composite material, method for manufacturing the same,
and applications thereof
The present invention relates to a fiber-reinforced composite material and a method for manufacturing the same, and also relates to a transparent multilayered...
Electrical-discharge surface-treatment method using a metallic powder or
metallic powder compound in...
An electrode for an electrical-discharge surface-treatment method is molded with a metallic powder or a metallic compound powder having an average grain diameter...
Method for manufacturing metal nanorods and uses thereof
A method for manufacturing metal nanorods includes: a step of adding a reducing agent to a metallic salt solution; a step of radiating light into the metallic...
Surface light source device
A surface light source device includes two or more point light sources that are arranged linearly, a light guide plate having an incident surface on which light...
Strut-type suspension device
A strut type suspension device which contains a strut (7) whose upper end is supported on an insulator (3) mounted on a vehicle body (1), an upper seat (5)...
Vehicular steering system
A vehicular steering system can suppress, even upon a change in a neutral position of a steering wheel, a right and left difference in the behavior of a vehicle...
Direct-injection spark-ignition internal combustion engine
In the top face of a piston (6), there is formed a cavity (30) having a bottom surface (32) which slopes downward toward an exhaust side and which includes a...
Tip tool guide apparatus and method for bringing in tip tool guide
A tip tool guide apparatus is brought into a water chamber of a steam generator of nuclear power equipment, and guides a tip tool, such as a shot peening head,...
Color conversion device and method
A color conversion device and method are provided in which six hues and inter-hue areas are corrected independently, and the conversion characteristics can be...
Control system and user interface for network of input devices
Apparatus, methods, and systems for centrally and uniformly controlling the operation of a variety of devices, such as communication, consumer electronic,...
Rotary work lifter and working machine
The invention is provided with means for detecting a situation of rotating a rotary work lifter at any time, and a determining portion for determining whether...
Method and apparatus for representing a group of images
A method of representing a group of images comprises determining the values of one or more dominant colors for the group of images and deriving a dominant color...
Method and apparatus for representing and searching for an object in an
A method representing an object appearing in still or video image for use in searching, wherein the object appears in the image with a first two-dimensional...
High efficiency encoder and video information recording/reproducing
In a high-efficiency encoder which performs motion-compensation prediction, an intra-field is set every n fields. The presence of a scene change is detected....
Communication system and communication method
In the communication system which performs the data communication by the discrete multi-tone modem scheme between a plurality of data communication units using...
A display unit includes a display mounting main body 1 secured to a ceiling to which a display is installed; the display 3 openably/closably and rotatably...
Digital/analog conversion device and display device having the same
A pulse number control circuit inputs, to a charge pump circuit, pulses of a number according to digital data constituted of weighted data bits. The charge pump...
A power amplifier includes: an amplifying transistor; a bias circuit; a first diode; a second diode; a matching attenuating circuit; a first current mirror...
Reactive-power control apparatus and reactive-power compensator using the
In a conventional reactive-power compensator using a static reactive-power compensator (SVC), there are many cases in which the SVC is operating in a state in...
Propylene resin composition and molding thereof
To provide a propylene resin composition excellent in both the electroconductivity and moldability and excellent in their balance, and a molded product thereof.A...