Patent application number | Description | Published |
20090052013 | THZ WAVE GENERATOR - The present invention purposes to provide a THz-wave generator capable of generating a THz-wave stably and efficiently, and particularly, to provide the THz-wave generator which is stable against a frequency shift of a laser source and which can easily vary the frequency of the THz-wave. | 02-26-2009 |
20090097795 | OPTICAL MODULATION DEVICE - Light having components of frequencies f | 04-16-2009 |
20110075149 | OPTICAL RECEIVER - Provided is an optical receiver which accurately demodulates an optical signal obtained by the differential phase shift modulation method. The optical receiver includes: an interferometer which branches the inputted optical signal into two parts and gives a one-bit phase difference to the resultant two optical signals so that the two optical signals after addition of the phase difference are made to interfere each other to output two output lights; reflection means which reflects one of the output lights from the interferometer so as to return to the interferometer; detection means which detects the return light which has been reflected by the reflection means and propagates through the interferometer in the different direction from the inputted optical signal, for output; and phase difference control means which adjusts the phase difference given by the interferometer according to the intensity of the return light detected by the detection means. | 03-31-2011 |
20110164844 | OPTICAL MODULATOR - It's an object of the invention to provide an optical modulator with high performance. The optical modulator | 07-07-2011 |
20130195394 | OPTICAL MODULATOR - The optical modulator includes optical modulation units. The plurality of optical modulation units is disposed in parallel on the same substrate. One input waveguide branches off to be connected to the Mach-Zehnder type optical waveguide of each optical modulation unit, and an entire optical waveguide is formed such that outputs from the Mach-Zehnder type optical waveguides are combined and output through one output waveguide. A modulation signal with the same intensity is applied to a modulation electrode of each optical modulation unit. In at least some of the optical modulation units, mechanical structures including the modulation electrodes of the optical modulation units are configured such that an amplitude value of an optical output modulated by the modulation signal of the optical modulation unit is ½ | 08-01-2013 |
Patent application number | Description | Published |
20100225540 | POSITIONING SYSTEM, AIR CONDITIONING SYSTEM, AND LIGHTING SYSTEM - To provide a positioning system that clearly defines a disposition of a base station for identifying a position of a radio set. While a wireless base station | 09-09-2010 |
20100293974 | AIRCONDITIONING EQUIPMENT, SIGNAL TRANSMISSION METHOD, AND SIGNAL TRANSMISSION METHOD FOR AIR CONDITIONING EQUIPMENT - An air conditioning equipment having an in-room unit connected to one end of the refrigerant pipes and an out-room unit connected to the other end of the refrigerant pipes. The air conditioning equipment includes signal coupling portions which are respectively disposed at both end parts of the refrigerant pipes. Each of the signal coupling portions couples an alternating current (AC) control signal to the refrigerant pipes and exhibits a predetermined impedance with respect to an AC electric signal. The configuration of the air conditioning equipment brings forth the advantages that the electrical insulation devices used in the prior art are dispensed with, and the signal transmissions between the in-room unit and the out-room unit can be performed by a simple apparatus configuration. | 11-25-2010 |
20100301837 | POWER MEASURING SYSTEM, MEASURING APPARATUS, LOAD TERMINAL, AND DEVICE CONTROL SYSTEM - A power measuring system, a measuring apparatus, a load terminal, and a device control system are provided, which need no special installation work to be made by any skillful professionals such as persons qualified for electrical work. A voltage sensor detects a voltage waveform of a power line in a noncontact manner, and a current sensor acquires a current waveform of the power line in a noncontact manner. A measuring portion of a load terminal operates a contact means to connect the power line and a voltage measuring terminal to measure a current flowing from the power line to a load and to calculate a voltage value from the measured current value and the load. The measuring portion of the load terminal transmits, in response to a request from a measuring apparatus, the measured current value and the calculated voltage value to the measuring apparatus via a communication means. A control portion of the measuring apparatus receives the current value and the voltage value from the load terminal via a communication means. The control portion calculates a power value based on the received current value and voltage value, as well as on the voltage waveform acquired from the voltage sensor and the current waveform acquired from the current sensor. | 12-02-2010 |
20100317287 | AIRCONDITIONING EQUIPMENT, SIGNAL TRANSMISSION METHOD, AND SIGNAL TRANSMISSION METHOD FOR AIR CONDITIONING EQUIPMENT - An air conditioning equipment having an in-room unit connected to one end of the refrigerant pipes and an out-room unit connected to the other end of the refrigerant pipes. The air conditioning equipment includes signal coupling portions which are respectively disposed at both end parts of the refrigerant pipes. Each of the signal coupling portions couples an alternating current (AC) control signal to the refrigerant pipes and exhibits a predetermined impedance with respect to an AC electric signal. The configuration of the air conditioning equipment brings forth the advantages that the electrical insulation devices used in the prior art are dispensed with, and the signal transmissions between the in-room unit and the out-room unit can be performed by a simple apparatus configuration. | 12-16-2010 |
20100317288 | AIRCONDITIONING EQUIPMENT, SIGNAL TRANSMISSION METHOD, AND SIGNAL TRANSMISSION METHOD FOR AIR CONDITIONING EQUIPMENT - An air conditioning equipment having an in-room unit connected to one end of the refrigerant pipes and an out-room unit connected to the other end of the refrigerant pipes. The air conditioning equipment includes signal coupling portions which are respectively disposed at both end parts of the refrigerant pipes. Each of the signal coupling portions couples an alternating current (AC) control signal to the refrigerant pipes and exhibits a predetermined impedance with respect to an AC electric signal. The configuration of the air conditioning equipment brings forth the advantages that the electrical insulation devices used in the prior art are dispensed with, and the signal transmissions between the in-room unit and the out-room unit can be performed by a simple apparatus configuration. | 12-16-2010 |
20110010106 | APPARATUS STATE DETECTOR, METHOD FOR DETECTING APPARATUS STATE, APPARATUS STATE DETECTION SERVER AND APPARATUS STATE DETECTION SYSTEM; LIVING PERSONS' ANOMALY DETECTOR, LIVING PERSONS' ANOMALY DETECTION SYSTEM AND METHOD FOR DETECTING LIVING PERSONS' ANOMALY, AND APPARATUS-STATE DATABASE MAINTENANCE SERVER - An apparatus state detector and its associates are provided to save time and effort for learning combinations of operation states of all apparatuses at home and commit fewer estimation errors even when an unknown apparatus starts operating. The apparatus state detector includes measuring means | 01-13-2011 |
20110043050 | ELECTRONIC EQUIPMENT AND METHOD FOR CONNECTING ELECTRONIC CIRCUIT SUBSTRATE - Wireless power supply and information communication are achieved between electronic circuit substrates in the electronic equipment, and the size of the circuitry for achieving the above is reduced. There are provided a first electronic circuit substrate, a second electronic circuit substrate, a first coil connected to the first electronic circuit substrate, and a second coil connected to the second electronic circuit substrate. Power is transmitted from the first coil to the second coil by electromagnetic induction so that the first electronic circuit substrate and the second electronic circuit substrate are electrically connected. | 02-24-2011 |
20110285212 | INPUT/OUTPUT APPARATUS AND REMOTE CONTROL APPARATUS - An input/output apparatus is provided which is capable of preventing electric shock without reinforcing the insulation of a power-supply unit and capable of connecting to a USB, a LAN, or the like. An input/output apparatus includes a power-supply circuit that uses electric power as the power supply of the present apparatus, which is generated in a resonance circuit by an induction of an AC magnetic field from the resonance circuit on the apparatus main body side, and a communication circuit that transmits and receives a signal between a resonance circuit of the present apparatus and a resonance circuit on the apparatus main body side, and capable of being insulated from the power supply of the apparatus main body by receiving electric power from the apparatus main body in a non-contact state and by communicating with the apparatus main body in a non-contact state, thereby. | 11-24-2011 |
20120032907 | POSITION INPUT APPARATUS - As for a position input apparatus that, when a user applies a pressure to an operation area, determines a pressed position where the pressure is applied, the manufacturing cost of the position input apparatus is reduced. An operation plate is a flat plate having the operation area on one surface. A plurality of pressure sensors (pressure detection devices) detect, at respectively different pressure detection positions, a detection position pressure generated by the pressure applied to the pressed position. A pressed position determination device determines the pressed position, based on a plurality of detection position pressures detected by the plurality of pressure sensors. | 02-09-2012 |
20130273936 | POSITION IDENTIFICATION APPARATUS, POSITION IDENTIFICATION METHOD, POSITION IDENTIFICATION SYSTEM, RECORDING MEDIUM, AIR CONDITIONING SYSTEM, AND LIGHTING SYSTEM - A locating apparatus comprises a first acquirer requesting multiple installed devices installed within a given space to radio-communicate with each other so as to acquire first radio communication information representing a first physical quantity obtained for each pair of the installed devices for each of the installed devices; a storage recording the first radio communication information acquired by the first acquirer for each of the installed devices; a second acquirer requesting a terminal present within the given space and the multiple installed devices to radio-communicate with each other so as to acquire second radio communication information representing a second physical quantity obtained for each pair of the terminal and installed devices; and a detector detecting the installed device from which the first physical quantity close to the second physical quantity is obtained among the multiple installed devices. | 10-17-2013 |
20130287075 | COMMUNICATION INTERFACE DEVICE - A sampler samples a receive signal received via a dedicated communication line. A data transfer rate adjuster measures a data transfer rate based on a number of start bit samples contained in the receive signal. A bit determiner makes a bit determination regarding the receive signal at the data transfer rate measured by the data transfer rate adjuster, to thereby acquire serial data contained in the receive signal. A transmitter sends, via the dedicated communication line, a transmit signal containing serial data sent by an MPU. An MPU communicator outputs to the transmitter the serial data sent by the MPU, and outputs to the MPU the serial data acquired by the bit determiner. The data transfer rate adjuster adjusts, when the transmitter sends the transmit signal multiple times at different data transfer rates, the data transfer rate based on the receive status of respective response signals thereto. | 10-31-2013 |
20130297253 | PIPING LENGTH MEASURING SYSTEM AND PIPING LENGTH CALCULATING APARATUS - A frequency characteristics measurer is disposed in the vicinity of an end of refrigerant piping, the end of which is connected to an outdoor unit, that connects the outdoor unit and an indoor unit of an air conditioner, and measures frequency characteristics of the refrigerant piping. A filter is attached at a position between the outdoor unit and a position where a terminal of the frequency characteristics measurer is connected, so as to wrap the refrigerant piping. A piping length calculator is connected to the frequency characteristics measurer via an interface cable, and acquires, via the interface cable, frequency characteristics measured by means of the frequency characteristics measurer. The piping length calculator extracts a lowest anti-resonant frequency from the acquired frequency characteristics, and calculates the length of the refrigerant piping on the basis of the extracted lowest anti-resonant frequency. | 11-07-2013 |
20130325191 | AIR CONDITIONING APPARATUS AND AIR CONDITIONING SYSTEM - A modulator modulates a voltage signal corresponding to inputted transmission data, and outputs the signal as a voltage signal between a communication wire and a shared wire. A demodulator demodulates a voltage signal based on the potential difference between the communication wire and the shared wire, and outputs the signal as a demodulated signal. A connector connects the communication wire and the shared wire to the modulator and the demodulator by means of a high voltage capacitor that withstands voltages up to a predetermined level. A controller receives, as incoming data, serial data corresponding to a voltage signal demodulated in demodulator if the serial data includes an address of its own apparatus, monitors a demodulated signal outputted from the demodulator, and outputs transmission data that includes a destination address to the modulator if the controller determines that no signal is being transmitted in the communication wire. | 12-05-2013 |