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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8159187 | Charging circuit for secondary battery An operational amplifier connects to a midpoint between a plurality of serially connected battery cells constituting a secondary battery to provide a charging circuit for inhibiting a charge/discharge current from flowin to the midpoint and an input/output current f... | 04/17/2012 |
| 8104661 | Heating device, reflow device, heating method, and bump forming method A solder bump is formed on a substrate by using a heating device where a lid structure blocks hot air from directly blowing against a solder composition. The heating device can reduce high-temperature oxygen molecules that come into contact with the solder compositi... | 01/31/2012 |
| 8102228 | Core securing member and its structure [PROBLEM] By simplifying a core securing structure of a reactor, miniaturization, lightweight, and low costs of the reactor are achieved. [SOLVING MEANS] The core securing member to secure a core 109 in a case 101 in the reactor wherein the core... | 01/24/2012 |
| 8091211 | Method for forming coil A reactor coil includes first and second coil elements each formed by edgewise and rectangular winding of one piece of rectangular wire rod in a manner in which the wound rectangular wire rod is stacked rectangularly and cylindrically and, at a winding terminating e... | 01/10/2012 |
| 8056212 | Coil and method of forming the coil A reactor coil 12 has a first coil element 121 formed by winding one flat type wire 17 edgewisely and rectangularly in a manner in which the wound flat type wire 17 is stacked rectangularly and cylindrically, and a second coil element ... | 11/15/2011 |
| 8042727 | Heater, reflow apparatus, and solder bump forming method and apparatus An apparatus characterized by a feature that in a stage on which a substrate or a jig holding a substrate is mounted, an opening closed when the substrate or the jig is mounted is provided and the substrate or the jig is heated by blowing hot air against the lower p... | 10/25/2011 |
| 8035469 | Stationary induction apparatus fixing structure and fixing member The present invention provides a fixing structure and a fixing member for a stationary induction apparatus, which can easily and inexpensively be assembled with a small number of constituent elements, and which are capable of reliable fixation. A fixing portion 4... | 10/11/2011 |
| 8033723 | Securing structure of sensor element having lead and securing unit thereof A securing structure for securing a measuring member having a sensor element and a lead elongated from the sensor element to a subject to be measured, the securing structure includes the measuring member including a measuring section having a covered portion in whic... | 10/11/2011 |
| 7982372 | Piezoelectric transformer having a recess to surely maintain a position of an elastic member press-fitted between an electrode and a terminal A piezoelectric transformer includes: a piezoelectric transducer on whose outer surface an electrode is formed; a case housing the piezoelectric transducer; a terminal disposed to face the electrode; an elastic member in contact with both the electrode and the termi... | 07/19/2011 |
| 7828466 | Light-emitting device A light-emitting device of a very simple configuration in which uniform LED light illumination can be obtained with a low light quantity loss, the device having a low production cost, improved emission characteristic and excellent cost efficiency and reliability. A ... | 11/09/2010 |
| 7825762 | Transformer A case 12 of a transformer 10 formed in such a manner that a transformer body 13 is accommodated in the case 12 having a rectangular-parallelepiped shape and a resin 14 is filled therein and solidified is configured such that the c... | 11/02/2010 |
| 7817426 | Heatsink for heat-producing device There is provided a heatsink for radiating heat from a heat-producing device. The heatsink includes a heatsink body; a clip that has a pair of arms and is fitted to the heatsink body along a heat radiation surface of the heat-producing device such that the heat-radi... | 10/19/2010 |
| 7809465 | Device, method and program for soldering Soldering can be performed in a state where the temperature in an object zone is stable, regardless of the heat capacity of a soldering object. A soldering device includes: a position calculation unit which calculates the position of a heated object according to ope... | 10/05/2010 |
| 7789696 | Waterproof case for electrical apparatus A drawing part of a cable 3 in a waterproof case for an electrical apparatus is sealed. On an outer circumferential part of the cable 3, a first bushing member 2a and a second bushing member 2b are formed by injection moldin... | 09/07/2010 |
| 7782168 | Reactor part A reactor part includes at least a winding and a magnetic substance core, in which the core includes a pair of winding portions around each the winding is wound, and a non-winding portion around which no winding is wound, wherein a cross-sectional area in a directio... | 08/24/2010 |
| 7682204 | Electrical apparatus and method of manufacturing the same An electrical apparatus connected to a commercial power source includes: a case made of resin and housing a functional member; blades insert-molded in the case and each having an exposed part connected to the commercial power source and a resin facing part which is ... | 03/23/2010 |
| D605114 | Piezoelectric transformer | 12/01/2009 |
| 7598655 | Piezoelectric transformer driving apparatus and piezoelectric transformer driving method A piezoelectric transformer driving apparatus and a piezoelectric transformer driving method, wherein even if there exists a variation between piezoelectric transformers, no unnecessary resonant points occur in the vicinity of a frequency used, that is, the output i... | 10/06/2009 |
| 7557687 | Magnetic core for electromagnetic apparatus and electromagnetic apparatus provided with magnetic core for electromagnetic apparatus To provide a magnetic core for an electromagnetic apparatus and an electromagnetic apparatus provided with the magnetic core capable of reducing magnetic resistance, a magnetic core for an electromagnetic apparatus, having a middle leg section, having a first outer ... | 07/07/2009 |
| D595226 | Transformer for electronic circuit | 06/30/2009 |
| 6992407 | Precision machining stage equipment A movable table for supporting a work piece is allowed to move on the same plane in arbitrary directions through a table holding mechanism. Also, a feed within the same plane is supplied to the movable table by the electromagnetic driving means. Further, the movable... | 01/31/2006 |
| 7453189 | Piezoelectric transformer There is provided with a piezoelectric transformer which does not require a marking operation, is easy to manufacture, and is capable of reducing costs. After the piezoelectric transformer is manufactured, a shape of secondary side electrodes on the outer end is mad... | 11/18/2008 |
| 7423362 | Piezoelectric transformer drive method and drive circuit A driving circuit is composed of a discontinuous rectangle wave oscillator and a lowpass filter. A discontinuous rectangle wave used herein is composed of voltages Vp, 0 and −Vp. Assuming one cycle is T, a discontinuous rectangle wave has such a configuration that... | 09/09/2008 |
| 7423888 | Voltage conversion circuit and switching power supply device A voltage conversion circuit and a switching power supply device achieving both a good response and a low loss of a power supply voltage, wherein a main voltage conversion portion (circuit block) for conversion an AC voltage to a DC voltage, an auxiliary voltage con... | 09/09/2008 |
| 7375608 | Solid electrolytic capacitor and manufacturing method thereof The multi-layer transformer 10 of the present invention comprises a composite sheet 14a comprising a center magnetic pattern 11a and peripheral magnetic pattern 12a that are formed at the center and periphery respecti... | 05/20/2008 |
| 7375609 | Multilayer laminated circuit board A multi-layer laminated circuit board 10A of the present invention is formed by laminating together a multi-layer transformer 10, a multi-layer part sheet 30 formed with a multi-layer part, and a wiring sheet 50 formed with a circuit patt... | 05/20/2008 |
| D568243 | AC-DC converter | 05/06/2008 |
| D567172 | AC-DC converter | 04/22/2008 |
| D567173 | AC-DC converter | 04/22/2008 |
| D567174 | AC-DC converter | 04/22/2008 |
| 7352106 | Piezoelectric transformer driving apparatus The present invention provides a piezoelectric transformer driving apparatus which drives a load balanced to the ground, which makes an insulating component, such as a current transformer or a photocoupler, unnecessary, and which can detect a load current. For this ... | 04/01/2008 |
| 7350686 | Method for supplying solder Obtained are fine-pitched pad electrodes and also solder bumps with a large amount of solder and a less difference in the amount. First, in an inert liquid in a liquid tank, a substrate is positioned with a surface facing up. Subsequently, the inert liquid containin... | 04/01/2008 |
| 7272024 | Synchronized rectification circuit and switching power supply device A synchronized rectification circuit and a switching power supply device having little power loss with respect to a wide range of input voltages and having a high efficiency, comprising first and second switch elements, first and second capacitors connected with eac... | 09/18/2007 |
| 7245514 | Synchronous rectification circuit A synchronous rectification circuit of a switching power supply device where circuit elements such as rectification switch elements are protected when an abnormality occurs in an output of a transformer, wherein a (fault) detecting circuit detects an abnormality of ... | 07/17/2007 |
| 7167069 | Coil bobbin and transformer A coil bobbin for preventing coil lead wires to terminal pins from being loosened, and a transformer employing such coil bobbin. The coil bobbin made of a thermosetting resin is provided with a secondary side terminal base including a first surface to which lead wir... | 01/23/2007 |
| 7113412 | Drive circuit and power supply apparatus In charging a gate of a NMOS transistor Q1, the charging speed is adjustable by varying a resistor R1. When an inputted pulse signal VIN reverses to a negative voltage, a diode D2 turns off. Then, current flows along a discharging loop formed by... | 09/26/2006 |
| 6926610 | Position indication device, and information storage medium The objective is to prevent erroneous operation of an optical sensor while removing restrictions on the degree of freedom of design. In a handgun-shaped controller comprising a lens for focusing light that is incident on a muzzle and an optical sensor 18 for ... | 08/09/2005 |
| 6761301 | Soldering machine A soldering machine using lead-free solders is provided which can uniformly heat a printed circuit board and electronic parts to be mounted thereon, and which can solder the electronic parts without thermally damaging them. A porous member having a number of holes f... | 07/13/2004 |
| 6696908 | Coil bobbin To provide a coil bobbin for a transformer in which no through hole is formed in both sides of an upper flange to thereby prevent upsizing, and no long arm apt to splinter is formed on a terminal board, and the terminal board can be readily mounted to a f... | 02/24/2004 |
