Patent application number | Description | Published |
20080238402 | CONTROL UNIT - A control unit includes an input terminal and an output terminal for a signal to be controlled, a control input terminal and a control output terminal for a control signal, variable capacitors connected in a bridge configuration between the input terminal and control input terminal, between the input terminal and control output terminal, between the control input terminal and output terminal, and between the control output terminal and output terminal, capacitances thereof being changed by the control signal, and a differential signal-controlled power source in which the control signal is applied across the control input terminal and control output terminal in a differential mode with a pair of signals having the same absolute value and mutually opposing polarities. Voltage or current of the signal to be controlled is controlled by the control signal changing the capacitances of the variable capacitors in the bridge configuration. | 10-02-2008 |
20090146498 | POWER CONTROL APPARATUS AND ELECTRONIC APPLIANCE EQUIPPED WITH POWER CONTROL APPARATUS - A power control apparatus includes an input terminal and an output terminal for an AC signal; a DC removing capacitor connected between the input terminal and the output terminal; and a variable capacitor that is connected between the input terminal and the output terminal and whose capacitance can be changed by a control signal. One of a current and a voltage of the AC signal is controlled by changing the capacitance of the variable capacitor using the control signal, and dielectrics that form a serially connected row of capacitors composed of the DC removing capacitor and the variable capacitor are configured so as to be integrally laminated, and the control signal is applied across a dielectric that forms the variable capacitor and the AC signal is applied across the dielectrics that form the row of capacitors. | 06-11-2009 |
20090200790 | AUTHENTICITY PROOF LABEL AND METHOD OF PREVENTING UNAUTHORIZED USE OF AUTHENTICITY PROOF LABEL - An authenticity proof label is provided and includes an adhesive layer, a hologram layer provided on the adhesive layer, a protective layer provided on the hologram layer, and a cut provided from a side of the protective layer in such a manner as to at least reach the hologram layer, the cut dividing a surface area of the protective layer into at least two segments. | 08-13-2009 |
20090231648 | HOLOGRAM SUBSTRATE, METHOD FOR PRODUCING SAME, AND ELECTRONIC DEVICE - A hologram substrate includes a hologram section arranged on a surface of the hologram substrate, the hologram section having an uneven pattern configured to form a holographic image, in which the uneven pattern is a depth-modulated pattern and has smooth boundaries between projections and depressions. | 09-17-2009 |
20090257167 | VARIABLE CAPACITOR AND ELECTRONIC DEVICE - Disclosed is a variable capacitor that includes signal electrodes configured to sandwich a dielectric layer so as to generate a signal electric field, and control electrodes configured to sandwich the dielectric layer so as to generate a control electric field in a direction intersecting with the signal electric field generated between the signal electrodes. | 10-15-2009 |
20100056098 | CONTACTLESS RECEIVER, RESONANT CIRCUIT, AND VARIABLE CAPACITANCE ELEMENT - A contactless receiver is provided with a receiving section and a rectification section. The receiving section has a resonant circuit including a resonant capacitor having a variable capacitance element formed with a ferroelectric material, a capacitance of the variable capacitance element changing according to a received voltage at a predetermined frequency, and a resonance coil connected to the resonant capacitor. The rectification section converts an alternating current voltage output from the receiving section into a direct current voltage. | 03-04-2010 |
20100069507 | Porous Carbon Materials and Production Process Thereof, and Adsorbents, Masks, Adsorbing Sheets and Carriers - By a process for producing a porous carbon material from a plant-derived material as a raw material, said process including carbonizing the plant-derived material at 800° C. to 1,400° C. and then applying a treatment with an acid or alkali, a porous carbon material having a value of specific surface area of at least 10 m | 03-18-2010 |
20100259864 | VARACTOR ELEMENT AND ELECTRONIC DEVICE - A varactor element, includes: a dielectric layer; a pair of signal electrodes, each disposed on one face of the dielectric layer and facing each other; and a pair of control electrodes, each disposed on another face of the dielectric layer and facing each other parallel to a direction intersecting a direction of the pair of signal electrodes facing each other. | 10-14-2010 |
20100321857 | VARIABLE CAPACITOR, CONTROL METHOD THEREOF, ELECTRONIC DEVICE AND COMMUNICATION MOBILE DEVICE - The present invention provides a variable capacitor and a control method thereof capable of responding to applications of electronic apparatus including various electronic devices and communication mobile devices. The electronic device and the communication mobile device including the variable capacitor are provided. | 12-23-2010 |
20100328839 | VARIABLE-CAPACITANCE ELEMENT, METHOD FOR ADJUSTING VARIABLE-CAPACITANCE ELEMENT, VARIABLE-CAPACITANCE DEVICE AND ELECTRONIC APPARATUS - A variable-capacitance element the capacitance value of which can be freely set to a desired value corresponding to a write voltage, and, once set, is maintained also after the write voltage is removed. The invention also provides a method for adjusting a variable-capacitance element, a variable-capacitance device and an electronic apparatus. | 12-30-2010 |
20110037536 | CAPACITANCE ELEMENT AND RESONANCE CIRCUIT - A capacitance element includes a first electrode, a second electrode, a third electrode, a fourth electrode, a first dielectric portion, a second dielectric portion, and a third dielectric portion. To the first electrode, a signal having a first polarity is applied. To the second electrode, a signal having a second polarity is applied. The second polarity is opposite to the first polarity. To the third electrode, the signal having the second polarity is applied. The third electrode is disposed on a position opposed to the second electrode. To the fourth electrode, the signal having the first polarity is applied. The first dielectric portion is provided between the first electrode and the second electrode. The second dielectric portion is provided between the second electrode and the third electrode. The third dielectric portion is provided between the third electrode and the fourth electrode. | 02-17-2011 |
20110132422 | THERMOELECTRIC GENERATOR, THERMOELECTRIC GENERATION METHOD, ELECTRICAL SIGNAL DETECTING DEVICE, AND ELECTRICAL SIGNAL DETECTING METHOD - A thermoelectric generation method using a thermoelectric generator includes: placing a thermoelectric generator in a temperature-changing atmosphere; drawing to outside a current that is generated due to a temperature difference between first and second support members when the temperature of the second support member is higher than that of the first support member, and that flows from a second thermoelectric conversion member to a first thermoelectric conversion member, using first and second output sections as a positive terminal and a negative terminal, respectively; and drawing to outside a current that is generated due to a temperature difference between the first and second support members when the temperature of the first support member is higher than that of the second support member, and that flows from a fourth thermoelectric conversion member to a third thermoelectric conversion member, using third and fourth output sections as a positive terminal and a negative terminal, respectively. | 06-09-2011 |
20110134582 | VARIABLE CAPACITANCE DEVICE - A variable capacitance device including: a device body having a plurality of dielectric layers formed by a dielectric material changing in capacitance according to a control signal applied externally and laminated in a predetermined direction and an internal electrode section including at least one internal electrode formed in each of both surfaces of each dielectric layer, three or more capacitors being formed by the plurality of dielectric layers and the internal electrode section, and the three or more capacitors being connected in series with each other; and at least three control terminals supplied with the control signal, and respectively arranged for at least three internal electrodes forming at least two capacitors of the three or more capacitors. | 06-09-2011 |
20110163827 | CAPACITANCE DEVICE AND RESONANCE CIRCUIT - To suppress changes in capacitance due to displacement between electrodes opposing each other across a dielectric layer, thereby allowing stable manufacturing of a capacitance device having a desired capacitance. | 07-07-2011 |
20120062338 | ELECTROSTATIC CAPACITANCE ELEMENT, METHOD OF MANUFACTURING ELECTROSTATIC CAPACITANCE ELEMENT, AND RESONANCE CIRCUIT - An electrostatic capacitance element includes: a dielectric layer; and a pair of electrodes or a plurality of pairs of electrodes having one electrode formed on one surface of the dielectric layer and the other electrode formed on the other surface of the dielectric layer by interposing the dielectric layer therebetween. The one electrode and the other electrode are arranged such that longitudinal directions of the electrodes intersect with each other. In addition, the one electrode and/or the other electrode have at least two electrode widths. In a case where the one electrode is formed to be relatively shifted with respect to the other electrode, an area of the electrodes overlapping in a thickness direction of the dielectric layer by interposing the dielectric layer can be changed in a continuous manner or a stepwise manner. | 03-15-2012 |
20120112855 | CAPACITANCE ELEMENT AND RESONANCE CIRCUIT - To provide a capacitative device capable of accurately securing a capacitance value, a variable capacitative device capable of sufficiently securing a capacity variability rate, and a resonance circuit that uses the capacitative devices. A capacitative device according to the present invention includes a capacitative device body constituted of a dielectric layer and at least a pair of capacitative device electrodes that sandwich the dielectric layer and cause a desired electric field in the dielectric layer; and stress adjustment portions to adjust a stress caused in the dielectric layer of the capacitative device body. | 05-10-2012 |
20120252391 | COMMUNICATIONS DEVICE, RESONANT CIRCUIT, AND METHOD OF APPLYING CONTROL VOLTAGE - A communications device includes a resonant antenna including a variable capacitance element having a dielectric unit formed of a ferroelectric material, and performing non-contact communications with the outside; and a control voltage generation unit generating a control voltage for controlling capacitance of the variable capacitance element, applying the generated control voltage to the dielectric unit of the variable capacitance element, and inverting an application direction of the control voltage applied to the dielectric unit at a predetermined rate. | 10-04-2012 |
20130014984 | ELECTROMAGNETIC WAVE ABSORBER, METHOD OF PRODUCING THE SAME, FLEXIBLE PRINTED WIRING BOARD AND ELECTRONIC DEVICEAANM Iida; HironoriAACI KanagawaAACO JPAAGP Iida; Hironori Kanagawa JPAANM Yamanoi; ShunAACI KanagawaAACO JPAAGP Yamanoi; Shun Kanagawa JPAANM Minatoya; MachikoAACI TokyoAACO JPAAGP Minatoya; Machiko Tokyo JPAANM Tabata; SeiichiroAACI KanagawaAACO JPAAGP Tabata; Seiichiro Kanagawa JPAANM Yamada; ShinichiroAACI KanagawaAACO JPAAGP Yamada; Shinichiro Kanagawa JPAANM Kanno; MasayoshiAACI KanagawaAACO JPAAGP Kanno; Masayoshi Kanagawa JPAANM Mitsugi; MasakazuAACI KanagawaAACO JPAAGP Mitsugi; Masakazu Kanagawa JPAANM Kato; YoshihiroAACI KanagawaAACO JPAAGP Kato; Yoshihiro Kanagawa JP - Provided is an electromagnetic wave absorber, including a base material and a porous carbon material containing, as a raw material, a plant-based material having a silicon content of 5% by mass or more, in which the porous carbon material has a specific surface area value as measured by the nitrogen BET method of 400 m | 01-17-2013 |
20130217327 | ILLUMINATION OPTICAL SYSTEM, LIGHT IRRADIATION APPARATUS FOR SPECTROMETRY, AND SPECTROMETER - Provided is a portable communication device including a receiver, a transmitter, an adjustment signal generator, an adjustment signal detector, and a control circuit unit. The transmitter transmits an adjustment signal to the receiver in order to adjust a received resonant frequency. The adjustment signal detector detects a parameter including information on a transmission state of the adjustment signal at a time of transmitting the adjustment signal. Then, the control circuit unit corrects a deviation of the received resonant frequency based on a detection result of the adjustment signal detector. | 08-22-2013 |
20140048113 | THERMOELECTRIC GENERATOR, THERMOELECTRIC GENERATION METHOD, ELECTRICAL SIGNAL DETECTING DEVICE, AND ELECTRICAL SIGNAL DETECTING METHOD - A thermoelectric generation method using a thermoelectric generator includes: placing a thermoelectric generator in a temperature-changing atmosphere; drawing to outside a current that is generated due to a temperature difference between first and second support members when the temperature of the second support member is higher than that of the first support member, and that flows from a second thermoelectric conversion member to a first thermoelectric conversion member, using first and second output sections as a positive terminal and a negative terminal, respectively; and drawing to outside a current that is generated due to a temperature difference between the first and second support members when the temperature of the first support member is higher than that of the second support member, and that flows from a fourth thermoelectric conversion member to a third thermoelectric conversion member, using third and fourth output sections as a positive terminal and a negative terminal, respectively. | 02-20-2014 |
20140247097 | CAPACITANCE DEVICE AND RESONANCE CIRCUIT - To suppress changes in capacitance due to displacement between electrodes opposing each other across a dielectric layer, thereby allowing stable manufacturing of a capacitance device having a desired capacitance. | 09-04-2014 |
20140247534 | ELECTROSTATIC CAPACITANCE ELEMENT AND RESONANCE CIRCUIT - There is provide an electrostatic capacitance element including a dielectric layer, a capacitance element body configured to include at least a pair of internal electrodes formed with the dielectric layer interposed therebetween, and an external terminal configured to be formed on a side surface of the capacitance element body and electrically connected to the internal electrode. Further, stress occurring due to a difference in a linear expansion coefficient between the dielectric layer and the internal electrode is concentrated on a center of a capacitor configured with the dielectric layer and the pair of internal electrodes between which the dielectric layer is interposed. | 09-04-2014 |