Patent application number | Description | Published |
20090189705 | Crystal oscillator for surface mounting - A crystal oscillator includes an oscillator circuit, a main body, a first switching circuit, a second switching circuit, and a voltage detecting circuit. The oscillator circuit includes an IC chip including an output circuit and a function circuit. The crystal element includes a first excitation electrode and a second excitation electrode. The main body houses the oscillator circuit and the crystal element and includes a power supply terminal, a ground terminal, an output terminal, and a function terminal. The output terminal is electrically connected to the output circuit and the first excitation electrode via the first switching circuit. The function terminal is electrically connected to the function circuit and the second excitation electrode via the second switching circuit. The first switching circuit and the second switching circuit are operated on the basis of a switching signal from the voltage detecting circuit connected to the power supply terminal. | 07-30-2009 |
20090261912 | Crystal device for surface mounting - A surface-mounted device includes a ceramic case, which has a concave portion formed by a bottom wall layer, a frame wall intermediate layer and a frame wall upper layer, and which houses at least a crystal element inside the concave portion. The ceramic case includes: arc-formed notched parts at outer circumference four corners thereof; and mounting terminals, which are extended to notched parts in the bottom wall layer among the notched parts, on an outer bottom face thereof. A radius of curvature of the notched parts in the frame wall intermediate layer is made identical to or greater than a radius of curvature of the notched parts in the bottom wall layer, and a radius of curvature of the notched parts in the frame wall upper layer is less than the radii of curvature of the notched parts in the bottom wall layer and the frame wall intermediate layer. | 10-22-2009 |
20090261913 | Crystal device for surface mounting - A crystal device for surface mounting, in which a metal cover is jointed to the metal ring by seam welding, satisfies relationships A | 10-22-2009 |
20090261915 | Crystal Device for Surface Mounting - There is provided a crystal device in which an area inside a ceramic case is made larger to increase the design freedom of a crystal unit (crystal element). | 10-22-2009 |
20140361842 | DUAL-MODE CRYSTAL OSCILLATOR - A dual-mode crystal oscillator includes a single AT-cut quartz crystal piece, a package, and an integrated circuit. The integrated circuit includes an oscillation circuit configured to cause the AT-cut quartz crystal piece to oscillate at a frequency in the MHz band, a dividing circuit configured to divide the frequency in the MHz band to generate a frequency of 32.768 kHz, a selection circuit configured to select one of a pause state where the frequency in the MHz band is not output and an active state where the frequency in the MHz band is output. The mounting surface includes three electrodes arranged in a direction along the long side and two electrodes arranged in a direction along the short side. The electrode to output the frequency of 32.768 kHz and the electrode to output the frequency in the MHz band are arranged not adjacent to one another. | 12-11-2014 |
Patent application number | Description | Published |
20100257845 | EXHAUST PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE - An exhaust purification device for an internal combustion engine is provided that can promote the reduction of NOx in a NOx purification catalyst from immediately after startup of the internal combustion engine. The exhaust purification device includes: a fuel reformer that is provided separately from exhaust plumbing | 10-14-2010 |
20100275581 | EXHAUST EMISSION CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - Provided is an exhaust emission control device for an internal combustion engine capable of preventing NOx purification performance from degrading according to the operating condition. The exhaust emission control device comprises an NOx purification catalyst for adsorbing or occluding NOx in exhaust emissions and reducing the NOx, which is provided in an exhaust pipe ( | 11-04-2010 |
20100275584 | EXHAUST GAS PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE - An exhaust gas purification device for an internal combustion engine, in which a catalyst installed in an exhaust passage is quickly heated to the activation temperature of the catalyst. The exhaust gas purification device has a NOx purification catalyst ( | 11-04-2010 |
20100282189 | EXHAUST GAS CLEANER - Provided is an exhaust gas cleaner by which nitrogen oxides contained in an exhaust gas can be efficiently removed in a wide temperature range from a low temperature. The exhaust gas cleaner ( | 11-11-2010 |
20100287917 | EXHAUST PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE - An exhaust purification device for an internal combustion engine can achieve high NOx purifying performance independent of operating conditions of the engine. The exhaust purification device has a NOx purification catalyst ( | 11-18-2010 |
20100316532 | FUEL REFORMING DEVICE - Provided is a fuel reforming device, which can produce and supply a reformed gas in quick response to a demand for the reformed gas and which is so inexpensive as can be suitably mounted on a vehicle. The fuel reforming device feeds a material to a reforming catalyst and produces the reformed gas under a pressure higher than the atmospheric pressure. The fuel reforming device comprises a material supply means for supplying the material to the reforming catalyst, a reforming means having the reforming catalyst, for reforming the material supplied from the material supply means, to produce the reformed gas, and a run control means for controlling the run of the fuel reforming device. The run control means includes a stop mode, in which the drive of the material supply means is stopped to stop the production of the reformed gas, a reform mode, in which the material supply means is driven to produce the reformed gas, and a standby mode, in which the material supply means is driven and in which the temperature of the reforming catalyst is held within a predetermined range while producing the reformed gas as little as possible, so that the standby mode can shift instantly to the reform mode. | 12-16-2010 |
20120204547 | EXHAUST GAS PURIFICATION CATALYST AND EXHAUST GAS PURIFICATION APPARATUS USING SAME - Disclosed are: an exhaust gas purification catalyst which is capable of achieving a higher NOx removal ratio in comparison to conventional exhaust gas purification catalysts; and an exhaust gas purification apparatus which uses the exhaust gas purification catalyst. An exhaust gas purification catalyst comprises: a first catalyst layer that contains Pt and has NOx capturing ability; a second catalyst layer that contains a zeolite that has HC capturing ability; and an intermediate layer that is provided between the first catalyst layer and the second catalyst layer and has NOx reducing ability. The intermediate layer contains, as a main component, at least one oxide selected from the group consisting of CeO | 08-16-2012 |