Patents
Patents for H03H 1 - Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network (2,020)
12/2004
12/02/2004US20040239055 Electromagnetic interference filter
12/01/2004EP1169821B1 Apparatus and method for coupling analog subscriber lines in a home network
11/2004
11/25/2004US20040233016 Feed-through filter capacitor assembly
11/25/2004US20040233015 Electromagnetic interference filter
11/23/2004US6822845 Low profile filter
11/17/2004EP1050093A4 Paired multi-layered dielectric independent passive component architecture resulting in differential and common mode filtering with surge protection in one integrated package
11/16/2004US6819569 Impedance equalization module
11/11/2004US20040223350 Low output noise switch mode power supply with shieldless transformers
11/09/2004US6816033 Electromagnetic interference filter
11/04/2004WO2004095697A1 Normal mode noise suppressing circuit
10/2004
10/27/2004CN1540689A 电子元器件 Electronic Components
10/26/2004US6809609 Device for preventing mixing of extrinsic noise and protector
10/26/2004US6809583 Electronic device for supplying DC power and having noise filter mounted with excellent noise reduction
10/21/2004US20040207503 Self-damped inductor
10/21/2004US20040207488 Electronic component
10/19/2004US6806794 Noise filter
10/19/2004US6806793 MLC frequency selective circuit structures
10/17/2004CA2426194A1 Feedthrough capacitor filter assemblies with leak detection vents
10/14/2004WO2004088814A1 Device for suppressing radiation occurring during information transmission through power supply lines
10/13/2004CN2648699Y Improvement of wave filter output terminal combination structure (one)
10/13/2004CN2648698Y Improvement of wave filter output terminal combination structure (two)
10/13/2004CN2648697Y Improvement of wave filter output terminal combination structure (three)
10/13/2004CN1536591A Common mode wave filter
10/12/2004US6803726 Noise filter of high frequency generator
10/07/2004WO2000077907A9 Universal multi-functional common conductive shield structure for electrical circuitry and energy conditioning
10/06/2004EP1465218A1 Noise filter, outdoor unit, and air conditioner
10/05/2004US6801103 Noise filter
09/2004
09/30/2004WO2004084119A2 Resonant frequency tag and method for controlling tag frequency
09/30/2004WO2004036879A3 Filter for segmenting power lines for communications
09/30/2004US20040188833 Electronic component of a high frequency current suppression type and bonding wire for the same
09/30/2004DE20319863U1 Electrical power filter, e.g. for use in-line and in connectors, comprises electrode structures and dielectric wafers with encapsulating mass and soldered connections
09/30/2004CA2672690A1 Resonant frequency tag and method for controlling tag frequency
09/30/2004CA2519104A1 Resonant frequency tag and method for controlling tag frequency
09/29/2004EP1462426A1 Low temperature co-fired ferrite-ceramic composite and the process for manufacturing it
09/29/2004CN1532856A Thin film type common mode choke and its producing method
09/23/2004WO2004082324A2 Transducer asembly with modifiable buffer circuit and method for adjusting thereof
09/22/2004CN1530975A Capacitance and filter assembly for eliminating high-frequency electromagnetic interference in high-voltage circuit
09/21/2004US6794957 CATV filter assembly with improved electrical grounding
09/16/2004WO2004079914A1 Phase-locked loop circuit
09/16/2004US20040179703 Modifiable buffer circuit for miniature microphone applications and method of adjusting thereof
09/16/2004US20040179702 Transducer assembly with modifiable buffer circuit and method for adjusting thereof
09/16/2004US20040177492 Resonant frequency tag and method for controlling tag frequency
09/14/2004US6792444 Filter devices and methods
09/14/2004US6791436 Modular electrical signal filter assembly
09/10/2004WO2004036813A3 Repeaters sharing a common medium for communications
09/09/2004DE202004010463U1 Electromagnetic interference filter, for relatively-large currents, has inductive component comprising rectangular core portion and two separate windings
09/08/2004CN1528003A Noise filter and electronic apparatus comprising this noise filter
09/07/2004US6788166 Harmonic wave distortion suppressor
09/02/2004US20040169532 Device for controlling a frequency response by scaling an impedance
09/01/2004CN1525641A Device for controlling a frequency response by scaling an impedance
09/01/2004CN1525498A Method for preparing slice type network resistor and slice type network resistor prepared by the same method
08/2004
08/26/2004US20040164269 with determined proportions of SiO2 and borax; ferrite preferably includes Fe2O3, NiO, ZnO and CuO; combination filter prevents the function of electromagnetic interference and has an excellent electromagnetic couple effect
08/25/2004EP1295378B1 Filtering and interference suppressing device for an electric motor
08/25/2004CN1523616A Combined type filter element capable of preventing electromagnetic interference and manufacturing technique thereof
08/25/2004CN1164035C Sampling rate converter
08/25/2004CN1164029C Noise inhibiting wave filter
08/24/2004US6781497 Apparatus and method for situating an inductive element onto a rod in an electrical circuit
08/24/2004US6781481 Methods and apparatus for filtering electromagnetic interference from a signal in an input/output port
08/12/2004US20040155721 Method and apparatus for reducing electromagnetic radiation
08/12/2004US20040155720 Receiver
08/11/2004EP1444821A1 High performance micro-filter and splitter apparatus
08/11/2004CN1161880C Inductance-capacitance filter
08/10/2004US6774714 Semiconductor device provided with noise cut filter
08/05/2004WO2004065559A2 Power conditioners and pseudo isolation for a two-wire processing network
08/04/2004CN1518012A Noise filter
07/2004
07/29/2004WO2004064084A2 Self-damped inductor
07/28/2004CN1516877A Filter device and methods
07/22/2004WO2004062220A1 Receiver
07/22/2004WO2004062099A1 Low noise filter
07/21/2004EP1439632A2 Switched-mode power supply device
07/21/2004EP1222725A4 Universal multi-functional common conductive shield structure for electrical circuitry and energy conditioning
07/21/2004CN1514541A Multilayer ceramic frequency selective circuit
07/15/2004US20040135652 Noise filter
07/14/2004CN2626132Y Package shielding case for microwave filter
07/08/2004WO2002091571A9 Method and apparatus for reducing electromagnetic radiation
07/08/2004US20040130415 Noise filter and electronic apparatus comprising this noise filter
07/07/2004CN1156963C Stepped adjustable notch filter
07/01/2004US20040124949 Component carrier
06/2004
06/30/2004CN1156074C Solderless coaxial feedthrough component
06/23/2004EP1432136A2 Noise filter
06/23/2004CN1507690A Method and apparatus for reducing electromagnetic radiation
06/22/2004US6753742 Signal coupling apparatus for communication by medium voltage power line
06/17/2004US20040114298 EMI suppression device
06/17/2004US20040113721 MLC frequency selective circuit structures
06/15/2004US6750738 Electric filter and motor vehicle wiring system with such filter
06/10/2004US20040110421 Impedance qualization module
06/03/2004US20040105218 Shielded strip line device and method of manufacture thereof
06/03/2004US20040104787 CATV Filter assembly with improved electrical grounding
06/03/2004US20040104786 Diplex circuit forming bandstop filter
06/03/2004DE10349301A1 Electromagnetic filter for feedthrough conductor, has pair of capacitors supported on one of the planar surfaces of substrate, partially surrounding feedthrough conductor
06/02/2004EP1423914A2 Filter devices and methods
06/02/2004CN1502157A Predetermined symmetrically balanced amalgam with complementary paired portions comprising shielding electrodes and shielded electrodes and other predetermined element portions for symmetrically balan
06/02/2004CN1501769A 噪音吸收器 Noise absorbers
05/2004
05/27/2004DE10349302A1 Electromagnetic filter for use with feedthrough conductor, has conductive contacts that electrically connect capacitor to metallized surface of inductor and feedthrough conductor, respectively
05/26/2004CN1499631A Circuit for testing time constant of integrated resistance-capacitance product inside chip
05/19/2004CN1498026A High-frequency assembly and communication device
05/18/2004US6738604 Programmable IF bandwidth using fixed bandwidth filters
05/18/2004US6738249 Universal energy conditioning interposer with circuit architecture
05/18/2004US6737935 Diplex circuit forming bandstop filter
05/13/2004US20040090284 Arrangement of a data coupler for power line communications
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