U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6099319

Neuroimaging as a Marketing Tool

Neuroimaging as a means for validating whether a stimulus such as advertisement, communication, or product evokes a certain mental response such as emotion, preference, or memory, or to predict the consequences of the stimulus on later behavior such as consumption or purchasing.

Newsletter  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.

 

Class 333/177 - Transformer coupled


Subclass of Class 333 - Wave transmission lines and networks
Definition: Subject matter which include a mutual inductance link of
No. of patents: 231
Last issue date: 10/11/2011


1            
NumberTitleIssue Date
8035461Inductive filter and method of reducing vibration sensitivity
A filter according to a present invention embodiment reduces the effects of microphonic behavior in a communications network. The filter passes a network signal, while filtering out unwanted voiceband leakage (e.g., emissions of plaintext voice signals) due to micro...
10/11/2011
8008992Transformer with symmetric structure
A transformer is provided with four capacitors and four inductors. The first capacitor is electrically connected between a first port and ground in series. The first inductor is electrically connected to the first port in series. The second capacitor is electrically...
08/30/2011
7999633EMI filter with an integrated structure of common-mode inductors and differential-mode capacitors realized by flexible printed circuit board
An integrated structure of common-mode inductors and differential-mode capacitors in an EMI filter realized using a flexible circuit board, including: a closed magnetic circuit formed by a first magnetic core and a second magnetic core, optionally including an air g...
08/16/2011
7961065Noise filter
The invention can provide a miniaturized noise filter. The noise filter for reducing noise comprises a coil with a conductive wire (2) wound around a core (1); a case (6) formed of an insulating material receiving the coil; a bracket (8) ...
06/14/2011
7884687Magnetic interface circuit
A magnetic interface circuit (100) includes a pair of channels (101, 102) and an absorb network (3). Each channel includes a 3-wire common mode choke (2) having a middle tap (21), and an isolation transformer (1) connected w...
02/08/2011
7714682Power line data signal attenuation device and method
A device and method for attenuating high frequency signals on a power line carrying power is provided. In one embodiment the device may include a toroid shaped core formed of magnetically permeable material and having an inner surface to be disposed substantially ar...
05/11/2010
7609131Coupling filter device with specific coupling coefficient
The present invention provides a surface mount design (SMD) coupling filter device with a fixed coupling coefficient having a pair of hollow coils. Theoretically, coupling coefficients of two hollow coils may vary with the parameter such as distance, number of windi...
10/27/2009
7589605Method and apparatus to provide compensation for parasitic inductance of multiple capacitors
A coupled winding cancels parasitic inductance of first and second capacitors. In an EMI filter having common mode capacitors and a differential capacitors, first and second windings cancel parasitic inductance of the common mode and differential capacitors. ...
09/15/2009
7548137Generalized cancellation of inductor winding capacitance
An inductor device or filter such as an electromagnetic interference (EMI) filter which includes an inductor provides cancellation of parasitic capacitance of the inductor and extends high frequency performance of the inductor or filter by using an inductor network ...
06/16/2009
7432782Signal splitter
A signal splitter includes a low-pass filter circuit for permitting a low-frequency component of an incoming signal in an incoming telephone line coupled to a first connecting port to pass therethrough to a second connecting port, and a coupling circuit including a ...
10/07/2008
7385466Differential transmission circuit and common mode choke coil
A first transmission line for transmitting a first signal and a second transmission line for transmitting a second signal, which has the reverse phase of the first signal, are connected in series with a common mode choke coil. A third transmission line and fourth tr...
06/10/2008
7365518Ion engine power supply
A power supply for an ion engine comprises a multiphase alternator and a power converter comprising a voltage multiplier coupled to each phase of the alternator. Each voltage multiplier comprises one or more staged voltage doublers. The alternator phases may be coup...
04/29/2008
7352261Production method for chip-form film-forming component
A description is given of a high frequency filter comprising microstrips. The filter comprises at least two resonators (16, 18) which each have, as frequency-determining elements, a first straight microstrip section (28) and a second straight microstri...
04/01/2008
7348862Modular connector with suppression of conducted and radiated emissions
An RJ 45 connector for unshielded CAT5 cable has electromagnetic-interference-suppression circuitry to meet the Class B conducted and radiated emissions standard. The connector comprises, in addition to signal-conditioning transformers, a current-blocking ferrite an...
03/25/2008
7339453Differential mode inductor with a center tap
A differential mode inductor includes a first inductor lead that receives a current. A first arm receives the current from the first inductor lead. A center tap receives the current from the first arm. A second arm receives the current from the center tap. The secon...
03/04/2008
7319497Printed circuit board configurable television tuner
A television tuner comprises a tunable bandpass filter (4) for selecting a desired input channel with an image canceling capacitor (C8) for rejecting the image frequency of the desired input channel. In order to avoid the necessity of different printed...
01/15/2008
7312971Surge absorption circuit and laminated surge absorption device
A surge absorption circuit of one embodiment comprises an input terminal; an output terminal; a common terminal; a first surge absorption element and a second surge absorption element which are connected in series between the input terminal and the output terminal; ...
12/25/2007
7301440Power line communication system and method
The present invention provides a device for providing communications through power lines comprised of multiple conductors by transmitting the data signals through a plurality of the conductors. One embodiment of the present invention may be comprised of a transmit c...
11/27/2007
7268645Integrated resonator structure and methods for its manufacture and use
An improved integrated LC resonator and methods for making and using the same are disclosed. The resonator includes (i) a first capacitor plate; (ii) an inductor over and in electrical communication with the first capacitor plate; and (iii) a second capacitor plate ...
09/11/2007
7256662Common mode signal suppressing circuit and normal mode signal suppressing circuit
A common mode signal suppressing circuit comprises: a first winding (11) inserted to a conductor line (3); a second winding (12) that is inserted to a conductor line (4) and coupled to the first winding (11) through a magnetic core...
08/14/2007
7253671Apparatus and method for compensating for clock drift in downhole drilling components
A precise downhole clock that compensates for drift includes a prescaler configured to receive electrical pulses from an oscillator. The prescaler is configured to output a series of clock pulses. The prescaler outputs each clock pulse after counting a preloaded num...
08/07/2007
7248148Power line coupling device and method of using the same
The invention provides a method and a device for communicating a signal over a power line. One embodiment may comprise a length of power cable that comprises a center conductor substantially surrounded by an insulator. A concentric conductor is disposed external to ...
07/24/2007
7245201Power line coupling device and method of using the same
The invention describes a method and a device for communicating a signal over a power line. One embodiment may comprise a length of MV power cable that comprises a center conductor substantially surrounded by an insulator. A first concentric conductor is disposed ex...
07/17/2007
7242199Active interconnects and control points in integrated circuits
In various embodiments of the present invention, tunable resistors are introduced at the interconnect layer of integrated circuits in order to provide a for adjusting internal voltage and/or current levels within the integrated circuit to repair defective components...
07/10/2007
7242269Filter having parasitic inductance cancellation
An electrical component includes a capacitive impedance and a shunt path inductance cancellation feature provided by coupled windings. A filter having a capacitor with capacitor-path inductance cancellation provides enhanced performance over frequency compared with ...
07/10/2007
7236378Signal distribution to a plurality of circuit units
A device for distributing a signal, in particular a clock signal or a command/address signal from a signal source to a plurality of circuit units, includes a transformer. The transformer has a primary winding receiving the signal from the signal source. Further, the...
06/26/2007
7228119Apparatus and method for a radio frequency (RF) receiver front end pre-selector tuning for improving the reduction in intermodulation distortion (IMD)
A system and method of improving the rejection of intermodulation (IM) distortion in receivers (100) employing varactor tuning preselecters by exploiting the attenuating properties of a tunable preselecter at specific voltages. The invention takes advantage o...
06/05/2007
7209024Filter circuit and power supply unit
The present invention provides a filter circuit realizing reduction in the number of magnetic cores on a circuit board and a space occupied by the magnetic cores, and a power supply unit using the filter circuit. A filter circuit includes a first filter part and a s...
04/24/2007
7199692Noise suppressor
A noise suppressor capable of obtaining a favorable attenuation characteristic even in the case where a plurality of inductors on a conductive wire are magnetically coupled to each other. The noise suppressor includes a first inductor and a second inductor which are...
04/03/2007
7199699Facilitating communication with power line communication devices
The invention includes a method, system, and device for communicating a data signal with a low voltage premise network. The inventive method comprises communicating the data signal with the low voltage premise network, substantially reducing attenuation of the data ...
04/03/2007
7199682Distributed balun with a non-unity impedance ratio
A mode-switching transformer having a first conductive line formed of two primary windings electrically in series, and the length of which is a function of a central operating frequency of the transformer; and a second conductive line formed of two secondary winding...
04/03/2007
7193869Noise suppressor
A noise suppressor capable of achieving reduction in size and weight of devices is provided. The noise suppressor is a circuit for suppressing normal mode noise which is transmitted through a first current-carrying wire and a second current-carrying wire, and causes...
03/20/2007
7176786Method of isolating data in a power line communications network
The present invention provides isolation between a power line local area network and another network such as a power line wide area network. In one embodiment of the present invention, a filter device is installed on the power line supplying power to a structure in ...
02/13/2007
7173505Tuning RF circuits using switched inductors provided in a monolithic integrated circuit
A Radio Frequency (RF) circuit includes an active portion and a tuned portion. The active portion receives an RF signal and that operates upon the RF signal. The tuned portion couples to the active portion and includes a first inductor, a second inductor, and a swit...
02/06/2007
7158004Integrated circuit inductors
The invention relates to an inductor comprising a plurality of interconnected conductive segments interwoven with a substrate. The inductance of the inductor is increased through the use of coatings and films of ferromagnetic materials such as magnetic metals, alloy...
01/02/2007
7154349Coupled-inductor multi-band VCO
A multi-band VCO employs a coupled-inductor based resonator having N≧2 ports. Each port has an inductor and at least one capacitor. The N inductors for the N ports are magnetically coupled. The inductors/ports may be selectively enabled and disabled to allow the V...
12/26/2006
7132819Floating power supply and method of using the same
A power supply of the present invention comprises a transducer having a transducer and a voltage regulator. The transducer is coupled to an electrically non-conductive medium, which may be a light pipe. The electrically non-conductive medium is coupled to a non-elec...
11/07/2006
7129803Tuned transformer balun circuit and applications thereof
A tuned transformer balun circuit includes a transformer balun, a first tuning capacitor, a second tuning capacitor, and a third tuning capacitor. A first plate of the first tuning capacitor is operably coupled to a first node of the differential winding and a secon...
10/31/2006
7123117LAN magnetic interface circuit
A magnetic interface circuit for a LAN, such as an Ethernet network, includes a transformer having a first winding connected to the line side of the LAN and a second winding connected to the circuit side of the LAN. Each of the first and second windings has two outp...
10/17/2006
7119635Electronic component
An electronic component of the invention has: a substrate; first to third terminal portions disposed on the substrate; and at least one spiral conductor portion disposed between the first and second terminal portions. The third terminal portion is not electrically c...
10/10/2006
1            
 
Sign InRegister
Username  
Password   
forgot password?