Famous Patents
In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7463469 | System and method for current overload response with class D topology A system and method for responding to a current overload condition in a power switch provides a class D topology that applies a current sink or current source to the gate of the power switch. The current sink or source decreases or increases current flowing through ... | 12/09/2008 |
| 7463462 | Nuisance trip reducing motor control system and method A technique for reducing nuisance tripping is disclosed in which a desired limit temperature is determined for a component of a motor system. The limit is compared to actual temperature signals, or signals indicative of temperature of the component. The component ma... | 12/09/2008 |
| 7460348 | Overload detector/enunciator An overload detector/enunciator circuit. The overload detector/enunciator circuit detects an overloaded condition of a backup generator and provides a relatively immediate indication of the overload to occupants of the residence or facility receiving power from the ... | 12/02/2008 |
| 7457094 | Protection device for bus systems An electrical protection device for bus systems, in particular having a two-wire design, including a bus-control unit and at least one device connected to a bus, the protection device being arranged in a central location on the bus and connected thereto. ... | 11/25/2008 |
| 7457097 | Pressure assisted wafer holding apparatus and control method An electrostatic wafer holding apparatus includes an electrostatic chucking pedestal and a bi-directional backside conduit in fluid communication with a backside of the chucking pedestal. The bi-directional backside conduit is in fluid communication with a backside ... | 11/25/2008 |
| 7450358 | ESD protective circuit for an electronic circuit having two or more supply voltages The ESD protective circuit according to the invention is designed for an electronic circuit which uses at least one first and one second supply voltage. This ESD protective circuit has a first and a second ESD protective element which can be activated via a control ... | 11/11/2008 |
| 7443645 | Overcurrent detecting device An overcurrent detecting device for detecting an overcurrent in a load circuit for controlling ON/OFF of a load by using a semiconductor switch, includes a driver circuit that outputs a driving signal to the semiconductor switch, a reference voltage generating circu... | 10/28/2008 |
| 7443648 | Driver for inductive load A driver for an inductive load such as a solenoid coil 92 includes three FETs 4,6,8. Two of the FETs are reversely connected between battery and output terminals 16, 18, and one of the FETs is connected between output and ground terminals 16,... | 10/28/2008 |
| 7440250 | Circuit breaker including open neutral interlock A circuit breaker includes line and load terminals, separable contacts electrically connected between the line and load terminals, and a line neutral pigtail. An operating mechanism including an operating handle is adapted to open and close the contacts. A trip circ... | 10/21/2008 |
| 7433167 | Strike ring based electrostatic discharge protection One embodiment in accordance with the invention includes a capacitive sensor apparatus that includes a sensing element and a ground element. The capacitive sensor apparatus also includes a floating strike ring that is electrically isolated from the sensing element. ... | 10/07/2008 |
| 7433166 | Constant current generator A constant current generator connected between first and second terminals includes a gate turn-off thyristor in series with a resistor; a current limiting component connected between the anode gate and the cathode gate of the thyristor; and a voltage reference conne... | 10/07/2008 |
| 7423855 | Active protection circuit arrangement A circuit arrangement includes an RC element connected between a first supply potential line and a second supply potential line. The RC element includes a first resistor and a first capacitor. The circuit arrangement also includes a plurality of inverters connected ... | 09/09/2008 |
| 7423853 | Aluminum wound transformer An iron core transformer with at least one primary winding and at least one secondary winding of which at least one of the windings are wound with aluminum wire is disclosed for use in relatively low power applications, for example 5 kVa or below. The primary and se... | 09/09/2008 |
| 7420792 | Linear charger where the material temperature directly affects the circuit thermal control Methods and apparatus are disclosed for protecting circuits from damages caused by elevated temperatures. Presented embodiments illustrate IC thermal protection circuits that shut down power delivery circuits when the circuit temperature reaches a predefined upper t... | 09/02/2008 |
| 7408758 | Static electricity detection for fuel dispenser A fueling environment's safety is improved by adding static charge sensors to the fuel dispenser and its peripherals. The static charge sensors detect static charge proximate the fuel dispenser and provide an indication of the static charge to a threshold detector. ... | 08/05/2008 |
| 7405911 | Circuit arrangement with a voltage link converter A circuit arrangement with a voltage link converter includes a link capacitor and circuit branches arranged parallel thereto. The circuit branches each include circuit elements, connected in series. A short circuit thyristor is provided to protect against short circ... | 07/29/2008 |
| 7405913 | Semiconductor device having transistor with high electro-static discharge capability and high noise capability A semiconductor device in includes a transistor and a surge absorption element such as Zener diode, that are formed on the same substrate and connected in parallel. The surge absorption element has a resistance during breakdown operation that is smaller than the res... | 07/29/2008 |
| 7400476 | Safety device for prevention of electrical shocks A safety device can provide electrical shock protection for an electrical appliance. Voltage sensors can monitor voltage levels among a power conductor, a neutral conductor, and a ground conductor. When sensed voltages indicate that these conductors are properly wir... | 07/15/2008 |
| 7400478 | Arc detection circuit An arc detector comprising a voltage generator for detecting a voltage and an integrator for integrating said voltage with respect to time and generating an output signal corresponding to said integration. The arc detector also includes a discharge controller for co... | 07/15/2008 |
| 7397641 | Apparatus and method for improved triggering and oscillation suppression of ESD clamping devices An apparatus for protecting an integrated circuit from electrostatic discharge (ESD) includes an RC trigger device configured between a pair of power rails, a first control path coupled to the RC trigger device, and a second control path coupled to the RC trigger de... | 07/08/2008 |
| 7397645 | Power supply transmission cord A power supply transmission cord to filter out high frequency noises, ripples and noises between a power supply and the connecting peripheral devices such as a VGA card, HDD, RAM, CDROM, DVD and the like. A metal member is provided to surround the transmission cord ... | 07/08/2008 |
| 7397642 | ESD protection circuit An ESD protection circuit is disclosed. The ESD protection circuit includes a stacked MOS circuit, and a trigger current generator. The object of the stacked MOS circuit is to be the first releasing path of the ESD current; the object of the trigger current generato... | 07/08/2008 |
| 7397648 | Electrostatic chuck including a heater mechanism An electrostatic chuck comprises a main body with a mounting surface and an opposed surface facing away from the mounting surface. At least one chucking electrode extends along the mounting surface of the main body and a first heater layer extends along the opposed ... | 07/08/2008 |
| 7394632 | Line interface module A power processing module for supplying power to a motion control device from a power source such as a utility power line, and related method of operation, are disclosed. The power processing module includes a first power input terminal, a first power output termina... | 07/01/2008 |
| 7391598 | Ionizer To provide an ionizer wherein an air flow path in a hollow casing is formed so as to be pressure-resistant while ensuring an effective cross sectional area without becoming voluminous, and the flow path is ensured simply and easily. In an ionizer including a hollow ... | 06/24/2008 |
| 7388736 | Static eliminator and a static eliminating method for an insulating sheet, a method for producing and insulating sheet, and an insulating sheet At least two sets of ion-generating means are provided to face each other through a space having an insulating sheet. The first and second surfaces of the sheet are simultaneously irradiated with monopolar ion clouds substantially opposite to each other in polarity ... | 06/17/2008 |
| 7382596 | Method and apparatus for protecting a digital video recorder The method and apparatus includes an uninterruptible power supply along with its rechargeable battery and a plurality of video protection circuits all within a common chassis. The video protection circuits are configured to protect the digital video recorder from su... | 06/03/2008 |
| 7379287 | Shielding method and shielding apparatus A canceling exciting coil is supported by a coil supporting member of electrically insulating material fitted to an arch core. A canceling current Ic of opposite phase to a main current I flowing in the magnetic field generation circuit of the exciting coil by means... | 05/27/2008 |
| 7379281 | Bias for electrostatic discharge protection An electrostatic discharge protection circuit adapted to reduce an electrostatic discharge event on a line of an integrated circuit. The protection circuit includes an NMOS transistor having a source contact that is electrically connected to the line. A drain contac... | 05/27/2008 |
| 7375940 | Transformer interface for preventing EMI-based current imbalances from falsely triggering ground fault interrupt A transformer interface prevents a false ground fault interrupt in a power supply arrangement. The power supply arrangement has a line wire and a neutral wire connected by way of a ground fault interrupt circuit to an electrically powered device, to which a ground w... | 05/20/2008 |
| 7375945 | Ion generator In an ion generator comprising a discharge needle 2, an opposed electrode 3 opposite the discharge needle 2 and an AC high voltage power source 4, for generating positive and negative air ions by giving rise to a corona discharge when a h... | 05/20/2008 |
| 7375942 | Flexible secondary overcurrent protection A protection system in which a shunt protection device at the interface terminals is optically triggered by sensor components within the circuit. This permits a variety of appropriate overvoltage detection thresholds to be defined at different nodes within the circu... | 05/20/2008 |
| 7372689 | Guard wafer for semiconductor structure fabrication An apparatus (and method for operating the same) which allows tightly coupling the device wafer to the electrostatic chuck of the process chamber after the process chamber is conditioned. The method comprises (a) providing (i) a process chamber and (ii) an electrost... | 05/13/2008 |
| 7358791 | Discharge protection circuit A discharge protection circuit for discharging a full-bridge circuit in a brushless DC fan, wherein the brushless DC fan comprises a control circuit outputting at least one first control signal and at least one second control signal to the full-bridge circuit. The s... | 04/15/2008 |
| 7359176 | Board for ion generation and ion generating apparatus Provided is a board for ion generation that is capable of generating negative ions with much better efficiency and in an amount larger than that of positive ions. In the board for ion generation, a discharge electrode is formed on one principal surface of a substrat... | 04/15/2008 |
| 7359170 | RF circuit electrostatic discharge protection A padring formed on a semi conductive substrate die provides Electro Static Discharge (ESD) protection for a Radio Frequency (RF) circuit also formed on the semi conductive substrate die. The padring includes a voltage supply rail, a ground rail, a plurality of sign... | 04/15/2008 |
| 7355834 | Cover unit of a substrate for an image forming apparatus and method A cover unit of a substrate for an image forming apparatus and method. The apparatus and method include a first cover unit and a second cover unit. The first cover unit surrounds the substrate on which electronic elements of a main body of the image forming apparatu... | 04/08/2008 |
| 7355832 | Methods and arrangements for reducing partial discharges on printed circuit boards Methods and arrangements for reducing partial discharges on a printed circuit board are provided. A method of reducing partial discharge in a printed circuit board includes providing a conducting surface coupled to a component under at least one of electrical and th... | 04/08/2008 |
| 7355830 | Overcurrent protection device The switching regulator comprises a main switch, a rectifier switch, an RS-flipflop, a judging unit, an edge pulse generator, a second prohibiting unit, and a reference voltage source. When a voltage drop caused due to an on-resistance of the main switch exceeds a p... | 04/08/2008 |
| 7339771 | Electrostatic protection circuit An electrostatic protection circuit to prevent damage to a protected circuit due to electrostatic discharge applied to an input/output terminal, comprises one or more diodes connected in series and provided between a connection point of the input/output terminal and... | 03/04/2008 |
