Patent application number | Description | Published |
20080198912 | Equalizing Filter Circuit - In an equalizing filter circuit having an input terminal | 08-21-2008 |
20080218836 | INTERFEROMETER AND DEMODULATOR - An interferometer of the present invention includes: a splitting element which splits an incident light beam into a first split beam and a second split beam; and a first phase compensator which is positioned in an optical path of the first split beam, and which compensates a phase difference occurring between the first split beam and the second split beam upon splitting of the incident light beam by said splitting element. | 09-11-2008 |
20090027683 | INTERFEROMETER, DEMODULATOR, AND SPLITTING ELEMENT - An interferometer of the invention includes: a first splitting element which includes a first transparent medium and a first splitting film formed on the first transparent medium, and which splits incident light into a first split beam and a second split beam, the first split beam being the incident light reflected by the first splitting element and the second split beam being the incident light transmitted through the first splitting element; and a second splitting element which includes a second transparent medium and a second splitting film formed on the second transparent medium, and which causes interference between the first split beam and the second split beam passed through different optical paths, the second splitting element being positioned such that a positional relationship between the second transparent medium and the second splitting film with respect to a direction of incidence on the second splitting element of the first split beam is opposite to a positional relationship between the first transparent medium and the first splitting film with respect to a direction of incidence of the incident light on the first splitting element. | 01-29-2009 |
20090231043 | DISTRIBUTED AMPLIFIER AND INTEGRATED CIRCUIT - A plurality of transistors operate as amplification elements. An input side coupling circuit comprises a plurality of distributed constant lines connected in series, one terminal of which is an input terminal and the other terminal of which is a bias input terminal. Each of the connection nodes between these distributed constant lines is connected to each of the inputs of the transistors. An output side coupling circuit comprises a plurality of distributed constant lines connected in series, one terminal of which is an output terminal and the other terminal of which is a bias input terminal. Each of the connection nodes between these distributed constant lines is connected to each of the outputs of the transistors. A termination circuit is provided at the input side coupling circuit or the output side coupling circuit. The termination circuit comprises: a first resistor connected between the bias input terminal and a power supply; and a second resistor connected between this bias input terminal and the ground voltage. The resistance value of the first resistor is equal to or less than that of the second resistor. | 09-17-2009 |
20090232712 | ORGANIC SYNTHESIZER - To provide an organic synthesizer that can conduct a pressure reaction and an atmospheric reaction in one organic synthesizer and can realize attachment of reaction vessels to the organic synthesizer and detachment of the reaction vessels from the organic synthesizer without applying any load to gas supply/discharge pipes. | 09-17-2009 |
20100116969 | SIGNAL AMPLIFIER FOR OPTICAL RECEIVER CIRCUIT - A signal amplifier connected to a photodetector that converts a received optical signal to a current signal includes: a preamplifier converting the current signal to voltage and supplying the resultant voltage signal; a main amplifier amplifying the voltage signal supplied from the preamplifier and in which at least the input stage is made up from a differential circuit; two or more follower circuits provided between the preamplifier and the main amplifier and supplied with the voltage signal; resistors of equal resistance provided for each follower circuit on the paths between the output of the preamplifier and each input of the main amplifier; and a capacitor having one end connected to one of the resistors and the other end connected to ground. A low-pass filter for detecting the average potential of the voltage signal is configured by the capacitor and the resistor that is connected to the capacitor. | 05-13-2010 |
20100284703 | LIGHT RECEIVING CIRCUIT AND SIGNAL PROCESSING METHOD - A light receiving circuit includes: a 1-bit delay interferometer; two photodiodes; and a demodulating circuit for converting current signals of the photodiodes into voltages to thereby demodulate signals that have been modulated by return-to-zero differential phase shift keying, the demodulating circuit including a differential transimpedance amplifier, in which the differential transimpedance amplifier includes a level adjusting circuit that has a function of adjusting levels of a positive phase signal and a negative phase signal of two feedback closed loops. | 11-11-2010 |
20110027144 | ORGANIC SYNTHESIZER - To provide an organic synthesizer that can conduct a pressure reaction and an atmospheric reaction in one organic synthesizer and can realize attachment of reaction vessels to the organic synthesizer and detachment of the reaction vessels from the organic synthesizer without applying any load to gas supply/discharge pipes. | 02-03-2011 |
20120219278 | IMAGE PICKUP APPARATUS - An image pickup apparatus which changes focal point adjustment by a focal point adjusting unit in accordance with the panning state detected by a panning detecting unit and a focal point state detected by a focal point detecting unit. | 08-30-2012 |
20130028596 | OPTICAL RECEIVER, OPTICAL RECEPTION DEVICE, AND CORRECTION METHOD FOR OPTICAL RECEIVED INTENSITY - In the optical receiver available for the RZ-DPSK modulation system, the difference in the received intensity due to the difference in the intensity or optical path of the optical signal cannot be corrected automatically, therefore, an optical receiver according to an exemplary aspect of the invention includes a first photodiode receiving a normal phase optical signal from a first output of a 1-bit delayed interferometer and outputting a positive signal; a second photodiode receiving a reversed phase optical signal from a second output of the 1-bit delayed interferometer and outputting a complementary signal; a differential transimpedance amplifier inputting the positive signal and the complementary signal and including a closed feedback loop for each input of the positive signal and the complementary signal; a level adjustment unit adjusting a signal level in the closed feedback loop; a photoelectric current detection unit detecting a photoelectric current generated in each of the first photodiode and the second photodiode; and wherein the level adjustment unit adjusts the signal level on the basis of an output of the photoelectric current detection unit. | 01-31-2013 |
20130058065 | DOCKING STATION FOR TELEVISION RECEIVER, STAND, AND ELECTRONIC DEVICE - According to one embodiment, a docking station for a television receiver includes a support, a first connector, and a protruding portion. The support is configured to be attachably and detachably connected to a television receiver comprising a housing in which a display device is housed, and to support the housing. The first connector is configured to be electrically connected to a second connector of the television receiver. The protruding portion is configured to protrude from the support to support the support, and to enable an angle of a display screen of the display device to be set variably. | 03-07-2013 |
20130107136 | STAND AND ELECTRONIC EQUIPMENT | 05-02-2013 |
20130162890 | FOCUS ADJUSTMENT APPARATUS - In a focus detection apparatus, a sensor includes a first mode for outputting via the signal line when respective stored charges corresponding to the first and the second AF areas have reached the predetermined charge amount, and a second mode for outputting via the signal line when respective stored charges corresponding to the first or the second AF areas have reached the predetermined charge amount. | 06-27-2013 |
20130182172 | IMAGE PICKUP APPARATUS AND CONTROL METHOD THEREOF - A focus detecting device that addresses unstableness in frame rate by performing optimal focus detection depending on a frame rate setting, an AF frame selection setting, and a shooting speed priority/focus priority setting is provided. | 07-18-2013 |
20130294784 | OPTICAL SIGNAL PROCESSING DEVICE AND OPTICAL SIGNAL PROCESSING METHOD - An optical hybrid ( | 11-07-2013 |
20130336665 | OPTICAL RECEIVER AND OPTICAL RECEPTION METHOD - An optical receiver includes: an interference unit generating a first interference light signal (ILS1) and a second interference light signal (ILS2) with an approximately inverse phase to that of the first interference light signal, by causing a received light signal to interfere with local oscillator light; a first interference light subtraction unit generating a first interference light subtraction signal (ILSS1) representing the difference between signals obtained by photoelectric conversion of ILS1 and a local oscillator light proportional signal having light intensity based on the light intensity of the local oscillator light; a second interference light subtraction unit generating a second interference light subtraction signal (ILSS2) representing the difference between a signal obtained by photoelectric conversion of ILS2 and the signal obtained by photoelectric conversion of the local oscillator light proportional signal; and a difference output unit outputting a signal representing the difference between ILSS1 and ILSS2. | 12-19-2013 |
20140028400 | SEMICONDUCTOR INTEGRATED CIRCUIT - In an integrated circuit having a feedback amplifier circuit composed of the feedback which feedbacks a part of the output signal to the input side in the first stage, a semiconductor integrated circuit of the present invention can suppress the occurrence of the data signal distortion and the gain peaking of the frequency characteristic generated by inter-stage wiring between the first stage and the latter stage. | 01-30-2014 |
20140032006 | MINE POWER MANAGEMENT SYSTEM - A mine power management system includes: a first power line provided at an ascent and configured to exchange electric power with an ascending vehicle traveling on the ascent; a second power line provided at a descent and configured to exchange electric power with a descending vehicle traveling on the descent; and a power supply and storage apparatus configured to exchange electric power at least between the first power line and the second power line. | 01-30-2014 |
20140153915 | IMAGE PICKUP APPARATUS - An image pickup apparatus which changes focal point adjustment by a focal point adjusting unit in accordance with the panning state detected by a panning detecting unit and a focal point state detected by a focal point detecting unit. | 06-05-2014 |
20140365165 | GRADIENT INFORMATION ACQUISITION METHOD, STORAGE MEDIUM, GRADIENT INFORMATION ACQUISITION DEVICE AND PROGRAM - Disclosed is a gradient information acquisition method comprising: a speed measured value acquisition step in which a measured value of the speed of a rail vehicle is acquired; a speed calculation step in which a calculated value of the speed of said vehicle is found using an equation of movement including a parameter indicating the gradient of the path of travel of said rail vehicle; a parameter value acquisition step in which a parameter value is found of a function indicating said gradient, for which parameter the difference of said measured value of the speed and said calculated value of the speed is a minimum; and a gradient information acquisition step of finding the gradient of said path of travel, based on the parameter value of the function indicating said gradient that was acquired in said parameter value acquisition step. | 12-11-2014 |