Abstract: A first wavelength converter of a wavelength-conversion device includes: an optical amplifier amplifying an incident light beam; a first dispersion flat fiber spreading the wavelength spectrum width of the amplified beam; and a first wavelength filter transmitting a predetermined wavelength bandwidth of the first fiber output beam. A center wavelength of the first wavelength converted beam is shifted by ??1 from that of the incident light beam. A second wavelength converter of the device does not include an optical amplifier and includes: a second dispersion flat fiber spreading the wavelength spectrum width of the first wavelength converted beam; and a second wavelength filter transmitting a predetermined wavelength bandwidth of the second fiber output beam. A center wavelength of the second wavelength converted beam is shifted by ??2 from that of the first wavelength converted beam. The ??1 and ??2 satisfy ??1+??2=??, ??1×??2<0, and |??1|<|??2|.

Abstract: A data providing system in which program deliverers store programs and deliver the stored programs to requesting subscriber terminals has a program allocation control unit that allocates new programs or qualified programs to multiple program deliverers, then selectively deletes the programs from the program deliverers. This allocation scheme assures that even newly added programs can be transmitted efficiently to the subscriber terminals.

Abstract: A flexible card with display function includes a first card body, a second card body and a flexible thin electronic system disposed between the first card body and the second card body. The flexible thin electronic system includes a flexible display, a display circuit, a communication interface and a smart card IC. The display circuit is connected to the flexible display, and the communication interface is connected to the display circuit via the smart card IC. The smart card IC performs a security authentication, and communicates with the smart card IC and the display circuit after the security authentication succeeds.

Abstract: A communication terminal apparatus is provided capable of preventing a misunderstanding that the external attachment telephone is hooked up, so that the external attachment telephone can be correctly shifted to a receiving mode. In the apparatus, a ring signal detecting section detects a ring signal sent by a line exchange machine from a line; and a hookup detecting section monitors a line voltage of the line and detects a hookup of an external attachment telephone. In the hookup detecting section, a line voltage detecting section detects the line voltage on the line; a reference voltage outputting section outputs a reference voltage; a threshold value voltage switching section switches to a threshold value voltage representing a first voltage level or switches to a threshold value voltage representing a second voltage level; and a voltage comparing section compares the reference voltage with the line voltage when the ring signal is detected.

Abstract: A data processing apparatus including a register bank, a shadow register and an arithmetic operation unit. The register bank includes a number of registers respectively for storing a number of operands wherein the registers are n-bit registers, and n is a nature number. The shadow register stores a first backup operand for making a backup of a first operand, which is stored in a first one of the registers in response to first control signal. The arithmetic operation unit performs at least an arithmetic operation on the operands to obtain operational data, and stores the operational data in the first register in response to an arithmetic operation command.

Abstract: The acceleration sensor according to the present invention includes a sensor chip having a movable portion operating in response to a change in a physical quantity and a silicon chip arranged to be opposed to a first side of the sensor chip and bonded to the sensor chip, while the sensor chip is provided with a penetrating portion penetrating the sensor chip in the thickness direction so that the first side is visually recognizable from a second side of the sensor chip, and the silicon chip is provided with an alignment mark on a portion opposed to the penetrating portion.

Abstract: Provided is an antenna for a base station and a repeater capable of electrically or mechanically controlling the individual operation of an element antenna constituting an array antenna or a sub-array antenna so as to adaptively cope with the change in the communication environment, and having an economic and high performance transmitting and receiving function, and a method of controlling a mode of the antenna. The multi-mode antenna includes a radiation portion having one or more array antenna and capable of selectively changing an antenna effective opening surface and changing a resistance direction of an antenna beam pattern, an active channel portion connected to the array antennas and including switches, transmission and receiving channels, and a signal combiner and splitter, and a modem and control portion connected to the active channel portion and having a control portion and a modem.

Abstract: A semiconductor integrated circuit having an internal circuit group, which includes at least one internal circuit, includes a plurality of process monitoring circuits, each of which is disposed at a different location in the internal circuit group, each of the process monitoring circuits, which is operated in response to a power supply voltage, detecting monitoring data in the area where one of the process monitoring circuits is disposed, and a power supply voltage generating circuit generating the power supply voltage corresponding to the monitoring data, and supplying the power supply voltage to the internal circuit group.

Abstract: A code division multiplex signal transmitter includes an operational circuit, a modulator unit and a multiplexer. The operational circuit adds up input transmission data on channels to produce resultant added data and modulates pieces of bit transmission data which are indicative of the values of the respective bits of the added data, when expressed in binary form, the pieces of bit transmission data being equal in number to the M bit positions of the added data expressed in binary form. The modulator unit includes modulators corresponding in number to the M bit positions of the added data in the binary form. A k-th modulator, where k is an integer of 1 to M, inclusive, modulates a k-th piece of bit transmission data to produce a k-th bit modulated signal whose amplitude level is 2k-1. The multiplexer multiplexes first to M-th bit modulated signals to produce a code division multiplex signal.

Abstract: Provided is a filtering device including a filter part having a plurality of filters stacked to filter contaminants in fluid, and a sample part disposed on an outer plane of the filter part and having a plurality of samples corresponding to the filters, respectively. Therefore, a filter exchange period can be accurately determined by measuring properties of the filter varied during filtering of contaminants, and indiscriminate exchange of the filters can be prevented to reduce maintenance cost.

Abstract: A remote control device and a remote control method thereof are provided. The remote control method is adapted to a remote control device, which includes a sensing unit for generating remote controlling signals while shaking the remote control device. The remote control method includes the following steps. Firstly, a series of sensing signal is provided by the sensing unit. Next, a series of reference value is generated according to the series of sensing signal. Then, when to start/stop to store the series sensing signal is determined according to the series of reference value. Afterwards, the series of sensing signal is recognized for generating the remote controlling signal. Finally, the remote controlling signal is transmitted.

Abstract: An automatic gain control apparatus can prevent jumps in the gain coefficient when the gain coefficient is altered, due to a sharp change in the level of the received signal before and after the alteration. The apparatus includes a mean square circuit for processing the received signal, a gain coefficient generating circuit for generating a gain coefficient, a decision circuit for deciding whether the received level of the received signal has changed, and a control circuit for, when a change in the received level of the received signal is detected, determining a number of mean square values and a generating interval. The apparatus further includes a gain coefficient linear smoother for altering the gain coefficient over an interval, and a multiplier for multiplying the received signal by the gain coefficient obtained from the gain coefficient linear smoother.

Abstract: Provided are a resistive memory device and a method of fabricating the same. The resistive memory device comprises an electron channel layer formed by means of a swelling process and an annealing process. Thus, conductive nanoparticles are uniformly dispersed in the electron channel layer to improve reliability of the resistive memory device. According to the method, an electron channel layer is formed by means of a printing process, a swelling process, and an annealing process. Thus, fabrication time is reduced.

Abstract: A surface treating method for treating a tooth surface and a surface treating device thereof are provided. First, a working gas is filled into a tube. Next, a voltage is provided to the working gas for exciting the working gas into plasma. After that, the plasma is discharged through an opening of the tube for contacting the tooth surface.

Abstract: A subscriber terminal connected to a central-office unit in an optical communication network includes a variable optical attenuator for attenuating an optical signal received from the central-office unit; an optical-electric converter for converting the optical signal received via the attenuator to a corresponding electric signal; a clock extractor for extracting a clock from the electric signal and producing a clock extraction information signal representing whether or not the clock is extracted stably; and a terminal controller. The controller includes a clock extraction decider for determining whether or not the extractor stably extracts the clock on the basis of the information signal, a receiving level adjuster for setting an attenuation value to a value between a minimum and a maximum value, and an attenuation controller for setting the attenuation amount for the attenuator to the set attenuation value.

Abstract: An apparatus for catching an insect sitting on a contact surface. The apparatus includes a casing, a light source disposed in the casing for dazzling and immobilizing the insect on the contact surface, and a catch tube disposed in the casing and movable relative to the casing. The apparatus further includes a catch container disposed adjacent to the catch tube and a slider to lift the insect off the contact surface. The slider is movable relative to the casing.

Abstract: There is provided a propagation delay time adjustment method for adjusting the propagation delay time occurring within a reception circuit for each channel of a center node device configuring a 1-to-N communications system in which communication is performed between the center node device and N (N being an integer of 2 or more) individual edge node devices using a Synchronous Code Division Multiplexing method, the center node device comprising a main control section, and each of the edge node devices comprising an auxiliary control section that controls the propagation delay time in cooperation with the main control section, the transmission delay time adjustment method comprising: transmission permission signal transmitting; transmission controlling; reception phase controlling; reception validity determining; optimum reception phase determining; and reception phase setting in which the main control section sets the optimum reception phase as the reception phase for the reception circuit.