Bizarre Patents
A new toilet tank assembly aquarium for housing aquatic creatures.
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 |
| 8049484 | Controlling inline power at a powered device A powered device includes a first switch, a second switch, and a controller. The first switch is disposed between a center tap of the first transformer and a center tap of the third transformer. The second switch is disposed between a center tap of the second transf... | 11/01/2011 |
| 7554316 | Controlling inductive power transfer systems An inductive power transfer system comprises a primary unit (10), having a primary coil (12) and an electrical drive unit (14) which applies electrical drive signals to the primary coil so as to generate an electromagnetic field. The system also... | 06/30/2009 |
| 7442263 | Magnetic amplifier choke (magamp choke) with a magnetic core, use of magnetic amplifiers and method for producing softmagnetic cores for magnetic amplifiers The invention relates to a transductor regulator with a magnetic core which is made up of a nanocrystalline alloy which is almost free of magnetorestriction. The core has as low cyclic magnetization losses as possible and as rectangular a hysterisis cycle as possibl... | 10/28/2008 |
| 7362371 | Camera using conductive camera element as radio antenna To provide a camera capable of performing radio communication with other unit by jointly using a conductive component previously provided for the camera as a radio antenna without using an independent radio antenna. Because a conductive component (e.g. a reflector o... | 04/22/2008 |
| 7327131 | Balun transformer and low-pass filter A mode-switching transformer, combined with a differential low-pass filter, including a first planar winding in a first conductive level having an external end terminal defining a common-mode input/output terminal; a second planar winding electrically in series with... | 02/05/2008 |
| 7294976 | Split power supply subsystem with isolated voltage supplies to satisfy a predetermined power limit A power subsystem including a mechanism for satisfying a predetermined power limit in a computer system. The power subsystem may include a split power supply and a voltage regulator. The split power supply may include at least a first voltage supply line and a secon... | 11/13/2007 |
| 7288490 | Increased alignment in carbon nanotube growth Method and system for fabricating an array of two or more carbon nanotube (CNT) structures on a coated substrate surface, the structures having substantially the same orientation with respect to a substrate surface. A single electrode, having an associated voltage s... | 10/30/2007 |
| 7278124 | Design method for semiconductor integrated circuit suppressing power supply noise An impedance of a power supply wire is calculated based on design data of a semiconductor integrated circuit, a frequency characteristic of the calculated impedance is obtained, and a design of the semiconductor integrated circuit is changed based on the obtained fr... | 10/02/2007 |
| 7276999 | Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components An energy transfer element having windings. In one aspect, the energy transfer element includes a first winding wound around a core, the first winding has a first end and a second end. A second winding is wound around the core. The second winding has a first end and... | 10/02/2007 |
| 7274574 | Magnetically controlled transformer apparatus for controlling power delivered to a load with current transformer feedback A circuit with a magnetically variable transformer having primary and secondary windings wound on a magnetic core wherein the transformer core with associated windings is placed in close proximity to an independently wound control coil. The transformer core is place... | 09/25/2007 |
| 7272071 | Systems and methods that employ inductive current steering for digital logic circuits The present invention provides systems and methods that utilize inductive current steering to improve logic circuit performance by mitigating propagation delays associated with conventional transistor current steering. The system and methods employ RF transformers, ... | 09/18/2007 |
| 7262543 | System and method for monitoring piezoelectric material performance A system and method are provided for monitoring performance capacity of a piezoelectric material that may form part of an actuator or sensor device. A switch is used to selectively electrically couple an inductor to the piezoelectric material to form an inductor-cap... | 08/28/2007 |
| 7262561 | Method for controlling power supply through multiple modulation modes A method for controlling power supply through multiple modulation modes aims to control an inverter of a selective characteristic through a cycle control signal of varying modulation modes to ensure that the inverter and the load on the rear end function in a reliab... | 08/28/2007 |
| 7259544 | Load symmetrization with controllable inductor A method for compensation and symmetrization of a three-phase system with a single-phase load is provided. At least one variable inductor for connection to the three-phase system is employed in the method. The inductor's inductance is adjusted to obtain a resistive ... | 08/21/2007 |
| 7253383 | Transformer assembly for microwave oven, method for manufacturing the same, and microwave oven having the same A transformer assembly for a microwave oven having a magnetron, including a transformer to apply voltage to the magnetron of the microwave oven; a container receiving the transformer therein and having a base plate coupled to the microwave oven and a cover body coup... | 08/07/2007 |
| 7251741 | Method of controlling signal generator A method of controlling a semiconductor device using a microcomputer having a timer is provided. An interrupting step interrupts the semiconductor device using the timer, by generating a control signal for controlling a timing of turning on/off the semiconductor dev... | 07/31/2007 |
| 7233137 | Power supply system A power supply system is provided, having: a primary side coil; a power transmission apparatus having a primary side circuit for feeding a pulse voltage resulted from switching a DC voltage which is obtained by rectifying and smoothing a commercial power supply to t... | 06/19/2007 |
| 7218356 | System and method for inductive line synchronization A synchronization signal generating apparatus and method in which an input circuit is inductively coupled to an alternating current signal line. The input circuit generates a rectified signal. A switch has a switch input and a switch output in which the switch input... | 05/15/2007 |
| 7210940 | Connector with inductive coupling The inductive coupling for transferring electrical energy to or from a transducer and measuring circuit, consists of a male connector part (2) and a female connector part (10). The male part (2), includes a single layer solenoid (7) wound... | 05/01/2007 |
| 7199569 | Switching power supply unit A switching power supply unit is provided, in which core loss in a transformer or a level of heating due to AC resistance of the transformer can be reduced. A switching power supply unit has a transformer, an inverter circuit and a rectifier circuit. In a secondary ... | 04/03/2007 |
| 7193496 | Magnetic element and power supply A magnetic element and a power supply which can output a plurality of different output pulse signal voltages or different output AC voltages while preventing an increase in the number of parts or an area occupied by parts are provided. The magnetic element includes ... | 03/20/2007 |
| 7184281 | Buck converter with high efficiency gate driver providing extremely short dead time A buck converter has a driver circuit with a drive transformer that provides complementary voltages to the buck converter switches. The drive transformer may have two secondary windings, with one winding for each converter switch. As one converter switch experiences... | 02/27/2007 |
| 7180206 | System for voltage stabilization of power supply lines The invention relates to a voltage stabilization system for power supply lines, comprising a variable inductance, an autotransformer and a system for controlling the variable inductance to automatically compensating for voltage variations of the power supply lines. ... | 02/20/2007 |
| 7180503 | Inductive power source for peripheral devices A system for providing power to a computer peripheral device during the normal operation of the device is disclosed. A base is provided that includes a winding of a coil. The winding is driven to make a constantly changing magnetic field. The peripheral device also ... | 02/20/2007 |
| 7176698 | Voltage sensing device and associated method A transformer circuit is disclosed that minimizes the temperature dependence of an output voltage. A first embodiment of the present invention includes a primary winding coupled to receive a voltage to be sensed and a center-tapped secondary winding coupled at a cen... | 02/13/2007 |
| 7166853 | Active method and system of establishing electrical contact A system for electrically contacting a semiconductor wafer during implanting of the wafer includes one or more pairs of closely spaced contacts located adjacent the semiconductor wafer and a driving circuit connected to the contacts to provide a discharge from one c... | 01/23/2007 |
| 7164252 | Electrically powered hand tool An electrically powered hand tool is described and which includes a three phase electrical motor having a plurality of poles; an electrical motor drive electrically coupled with the three phase electrical motor; and a source of electrical power which is converted to... | 01/16/2007 |
| 7122999 | Circuit for compensating rise times and ringing in high impedance loads Circuits for shortening a rise time of a load include a main pulse transformer coupled to a load, an auxiliary pulse transformer coupled to the load, and a diode connected between the auxiliary pulse transformer and the main pulse transformer. The main pulse transfo... | 10/17/2006 |
| 7088596 | Switching power supply with novel common mode filter arrangement The present invention is to provide a switching power supply device for preventing the change of characteristic of the line filter due to filler such as resin which covers the circuits. A switching power supply device is disclosed which comprise a rectifier 1... | 08/08/2006 |
| 7081717 | Discharge lamp lighting apparatus for lighting multiple discharge lamps A discharge lamp lighting apparatus for lighting a plurality of discharge lamps comprises: a control circuit adapted to output driving signals; a plurality of step-up transformers; and a plurality of bridge circuits, each of which is connected to a DC power supply, ... | 07/25/2006 |
| 7061157 | Electronic circuit for highly efficient driving of piezoelectric loads The invention relates to a circuit for highly efficient driving of piezoelectric loads, comprising a linear driving circuit portion connected to the load through an inductive-resistive connection whereto a voltage waveform is applied. Advantageously, the circuit com... | 06/13/2006 |
| 7056127 | Audio plug The invention provides an audio plug capable of preventing excessive stress from being applied to a plug by enabling a plug body to be detached from a plug-in portion equipped with a channel plug, thus preventing damage and deterioration of function of the plug or a... | 06/06/2006 |
| RE39108 | Symmetrical power generator and method of use A power generator and method of use for providing symmetrical power. In the present invention, the output winding of a generator is center-tapped at the point of mean voltage differential between each of its two output terminals. The center-tap is grounded such that... | 05/30/2006 |
| 7050602 | Low capacitance receiver coil The disclosure relates to electroacoustic receivers of the type which incorporate a reed armature. Thus, a receiver comprises a coil, magnets, pole pieces and a reed armature which passes through a central tunnel defined by the coil. A central portion of the reed li... | 05/23/2006 |
| 7042310 | High-pass branch of a frequency separating filter for ADSL systems The invention relates to a high-pass branch (7) of a frequency separating filter for ADSL systems comprising inductive components (11, 14) which dispose of magnet cores made of a soft magnetic amorphous or nanocrystalline. As a result, frequency separa... | 05/09/2006 |
| 7034472 | Power supply apparatus for traveling-wave tube which eliminates high voltage relay A power supply apparatus for a traveling-wave tube disclosed herein eliminates the need for isolation through a vacuum relay or the like, and is therefore fabricated in small size and at low cost. An oscillator circuit generates an oscillating signal at a frequency ... | 04/25/2006 |
| 7026905 | Magnetically controlled inductive device A controllable inductor, comprising first and second coaxial and concentric pipe elements, where said elements are connected to one another at both ends by means of magnetic end couplers, a first winding wound around both said elements, and a second winding wound ar... | 04/11/2006 |
| 7023142 | Light modulation method and apparatus for cold cathode fluorescent lamps A method and apparatus for modulating light of CCFLs that couples frequency alteration and pulse width modulation (PWM) approaches to change output voltage and current of a piezoelectric transformer to modulate the luminosity of a CCFL. The invention includes a PWM ... | 04/04/2006 |
| 7005840 | Interface for supplying power to a load from an electrical power supply network The power supply interface (10) includes a rectification stage (18), having an autotransformer (40) connected to a power supply network (12), and a signal conditioning stage (20) having an output (28) supplying power to a lo... | 02/28/2006 |
| 6969956 | Current control apparatus for fluorescent lamps A current control apparatus for fluorescent lamps adopted for use on high voltage actuated a fluorescent lamp includes a high frequency pulse modulator to provide voltage distribution signals, a power switch which is a MOSFET to output actuation signals, a conversio... | 11/29/2005 |
