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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7330099 | Chip resistor and manufacturing method therefor A chip resistor includes a resistive element (1), an insulation layer (4) formed in a back surface of the flat surface, and two electrodes (3) spaced from each other via the insulation layer. Each electrode (3) makes contact with the insu... | 02/12/2008 |
| 7307045 | Signal switching device A signal switching device is disclosed that is capable of transmitting signals with less signal loss while securing a good isolation characteristic. The signal switching device includes a first section formed from a superconducting material connected to a first tran... | 12/11/2007 |
| 7154373 | Surface mounting chip network component A surface mounting chip network component in which a network having three or more odd number of terminals are formed on the surface of an insulating substrate and Tomb Stone Phenomenon is suppressed. Even number of network circuits are formed on the surface of the i... | 12/26/2006 |
| 7149560 | Superconducting cable and superconducting cable line A superconducting cable includes a first conductor layer formed of superconducting wires, and an insulating layer formed at the outer periphery of the first conductor layer. The first conductor layer is an assembly of a plurality of superconducting wires obtained by... | 12/12/2006 |
| 7119657 | Polysilicon resistor semiconductor device A semiconductor device includes a polysilicon resistor that can suppress variations in resistance value in environments with an ambient temperature higher than room temperature. The resistance value Rcon of a polysilicon contact is reduced to 2% or less o... | 10/10/2006 |
| 7113104 | Giant magnetoresistance based gyroscope A gyroscope (10) for determining rate of rotation includes a giant magnetoresistor (GMR) (14) attached to a mass (12) oscillating along a first axis. When the gyroscope (10) is rotated, the mass (12) also oscillates along a second ... | 09/26/2006 |
| 7088217 | Shunt resistance and method of adjusting the shunt resistance A shunt resistor of the present invention has a configuration including a substantially planar resistor (10) having a predetermined resistance value; a first fixed terminal plate (20) that has one end portion (21) connected to an edge of the res... | 08/08/2006 |
| 7071811 | High performance voltage control diffusion resistor The present invention provides a diffusion resistor that is formed in the substrate. A diffusion region is formed within the substrate that contains a first and second contact region. These contact regions extend downward from the surface of the substrate. A third c... | 07/04/2006 |
| 7042330 | Low resistance value resistor The low resistance value resistor 11 has two electrodes 12,13 of metal strips having a high electrical conductivity. The metal strips are affixed on the resistor body by means of rolling and/or thermal diffusion bonding. A fused solder layer is formed ... | 05/09/2006 |
| 7034653 | Semiconductor resistor A semiconductor resistor comprises a resistor body formed on a semiconductor substrate and first and second conductive terminals electrically connected to the resistor body at opposite ends thereof. The semiconductor resistor further includes at least first and seco... | 04/25/2006 |
| 7030728 | Layout and method to improve mixed-mode resistor performance A resistor layout and method of forming the resistor are described which achieves improved resistor characteristics, such as resistor stability and voltage coefficient of resistance. A resistor is formed from a conducting material such as doped silicon or polysilico... | 04/18/2006 |
| 7012501 | Electrical multi-layer component An electrical component includes a base body that contains dielectric layers. The dielectric layers are superimposed and contain ceramic. The component also includes outer contacts on an exterior of the base body, and a resistor in an interior of the base body locat... | 03/14/2006 |
| 6960980 | Power converter with shunt resistor A power converter includes a shunt resistor constituted by a shunt resistance and a plurality of main electrodes made of a sheet-like resistive material. In the shunt resistor, plates lower in volume electric resistivity than the resistive material, higher in therma... | 11/01/2005 |
| 6954167 | Common centroid layout for parallel resistors in an amplifier with matched AC performance Common centroid layout for parallel resistors in an amplifier with matched AC performance. An amplifier is disclosed that is formed on a silicon substrate that includes first and second differential legs, each driving first and second resistive loads. The first resi... | 10/11/2005 |
| 6940277 | Giant magnetoresistance based nanopositioner encoder An encoder (10) for a nanopostioner (24) includes a strip of magnetic bits (18) for producing discrete magnetic fields and a giant magnetoresistor (GMR) (14) which changes in electrical resistance in response to changes in the magnetic fi... | 09/06/2005 |
| 6856235 | Methods for manufacturing resistors using a sacrificial layer A method of making resistors includes providing a sacrificial layer. Conductive material is then formed over a region of the sacrificial layer. Resistive material is then deposited over the first surface of the sacrificial layer such that the resistive material cove... | 02/15/2005 |
| 6794985 | Low resistance value resistor The low resistance value resistor 11 has two electrodes 12, 13 of metal strips having a high electrical conductivity. The metal strips are affixed on the resistor body by means of rolling and/or thermal diffusion bonding. A fused solder layer is formed... | 09/21/2004 |
| 6747543 | Resistor for driving motor for air conditioner blower A resistor for driving a motor for an air conditioner blower is provided, in which internal resistance bodies are stacked over one after another between insulation plates in the resistor, to accordingly reduce the volume of the entire of the resistor is reduced, and... | 06/08/2004 |
| 6677850 | Layered current sensor An electrical current sensor and utility electricity meter, the current sensor comprising a π resistor shunt configuration, wherein the resistors comprise layered conductors at substantially equal temperatures to provide a zero temperature coefficient se... | 01/13/2004 |
| 6657533 | Superconducting conductors and their method of manufacture A superconducting conductor and its method of manufacture includes an electrical conductor having a thermal conductor attached to and along a length of superconductor member and separated from the superconductor member by an electrically-insulative materi... | 12/02/2003 |
| 6577225 | Array resistor network An array resistor network that has a high density of resistors per unit area. The array resistor network includes a ceramic substrate having a top and bottom surface. Apertures extend through the substrate between the top and bottom surfaces. Recesses are... | 06/10/2003 |
| 6522236 | Superconductor structure with high Tc superconductor material, process for producing the structure, and current limiter device having such a structure The superconductor structure for conducting an electric current in a predetermined direction has a metallic support and one or more conductor tracks. The conductor tracks have at least one electrically insulating interlayer deposited on the support and a ... | 02/18/2003 |
| 6507268 | Low profile mount for plural upper electrode metal oxide varistor package and method A low profile mount for a disc varistor. A thermally sensitive switch is provided both for single and multiple electrode embodiments. The switch may be placed in a shorting circuit and include a spring biased conductor prevented from closure by a heat sen... | 01/14/2003 |
| 6489881 | High current sense resistor and process for its manufacture A low resistance high current sense resistor is formed on a semiconductor die using conventional semiconductor processing techniques. The resistor die has one or two resistive layers which are photolithographically divided into a plurality of series and p... | 12/03/2002 |
| 6469490 | Current limiting in power systems using hall effect device A current limiting apparatus and method for use in a power system is provided. Current flows from a power system to a first magnetic field producing contact. A Hall effect device is disposed between the first magnetic field producing contact and another m... | 10/22/2002 |
| 6366194 | Component holder for a hall sensor and process for manufacturing a component holder Known Hall sensors are fastened to a printed circuit board by way of component holders in order to achieve an exact positioning and securing on a printed circuit board in relation to a magnet ring of a rotor of an adjusting motor. A component holder for a... | 04/02/2002 |
| 6246312 | Ball grid array resistor terminator network A resistor network for terminating active electronic circuits such as stub series terminated logic and emitter coupled logic circuits. The network has a substrate with top and bottom surfaces and a common via extending through the substrate. Several resis... | 06/12/2001 |
| 6181234 | Monolithic heat sinking resistor A monolithic resistor is provided with a central resistive metallic foil strip positioned between and attached to a pair of wings formed from an electrically conductive metallic foil. The wings include large surface areas to dissipate heat. A plurality of... | 01/30/2001 |
| 6177856 | Process for producing a current limiter having a high-temperature superconductor, and current limiter On transition from the superconducting state to the normal conducting state, current limiters having a high-temperature superconductor increase their electrical resistance and thereby limit an electric current which is flowing through them. To provide ele... | 01/23/2001 |
| 6166578 | Circuit arrangement to compensate non-linearities in a resistor, and method A circuit arrangement (100) is coupled to a resistor (150) having at least two portions (110, 120). The arrangement (100) provides a substantially linear performance of the resistor (150). The arrangement (100) comprises a differential difference amplifie... | 12/26/2000 |
| 5977863 | Low cross talk ball grid array resistor network A resistor network for terminating active electronic devices has low cross talk noise between the adjoining resistors and the conductors that connect the resistors to other electronic packages. A substrate has a top and a bottom surface. Resistors are loc... | 11/02/1999 |
| 5940579 | Capacitive leakage current cancellation for heating panel A heating panel has a resistive heating layer formed on a substrate. Insulating layers can be formed on the substrate. The heating layer has electrodes on opposite edges connected to different phases of a multiphase power source. Capacitive currents cause... | 08/17/1999 |
| 5929746 | Surface mounted thin film voltage divider A surface mounted thin film precision voltage divider is provided by incorporating two resistors on a single base of the same size and configuration as prior art surface mounted thin film precision resistors. Because the resistors were made at the same ti... | 07/27/1999 |
| 5912503 | Planar in-line resistors for superconductor circuits A method of fabricating a low-inductance, in-line resistor includes the steps of: depositing a superconductive layer 12 on a base layer 14; patterning an interconnect region 16 on the superconductive layer 12; and converting the interconnect region 16 of ... | 06/15/1999 |
| 5841342 | Voltage controlled superconducting microwave switch and method of operation thereof A low insertion loss, wide bandwidth, microwave switch has a superconducting transmission line that can reversibly go from a superconducting state to a normal state by the application of a DC voltage. When in the normal state, the switch is "off" and micr... | 11/24/1998 |
| 5734313 | Chip-type composite electronic component A chip-type composite electronic component according to the present invention comprises an insulating substrate (1), a common electrode (2) formed on the substrate (1), a plurality of individual electrodes (3a-3h) formed on the substrate (1) to be spaced ... | 03/31/1998 |
| 5710538 | Circuit having trim pads formed in scribe channel In accordance with the present invention, trim pads used in trimming on-chip resistive elements are formed in the scribe channels interposed between respective dice on a wafer. Metal traces connect the trim pads to their associated resistive elements form... | 01/20/1998 |
| 5658479 | Positive temperature coefficient thermistor heater and positive temperature coefficient thermistor heater device using the same The positive temperature coefficient thermistor heater is composed of a positive temperature coefficient thermistor element, and electrodes formed on the both principal faces of the thermistor element. At least one of the electrodes consists of split elec... | 08/19/1997 |
| 5610571 | Thermistor type temperature sensor A thermistor type temperature sensor includes a mounting sheet made of insulating ceramic; a plurality of thermistor elements disposed on the mounting sheet; a detecting device, disposed on the mounting sheet, for electrically conducting with the thermist... | 03/11/1997 |
| 5577158 | Capacitive leakage current cancellation for heating panel A heating panel has a metal substrate, ceramic inner and outer insulating layers on the substrate. A film of resistive material forms a heating layer on one of the insulating layers. The heating layer has electrodes on opposite edges connected to differen... | 11/19/1996 |
