Patents
Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104)
07/2002
07/10/2002CN1358284A Constant voltage supply circuit, substrate of constant voltage supply circuit, and method of applying constant voltage
07/09/2002US6417745 LC filter with a coupling capacitor formed by shared first and second capacitor patterns
07/09/2002US6417675 Receiver impedance calibration arrangements in full duplex communication systems
07/09/2002US6417461 Circuit substrate
07/04/2002WO2002052590A2 A multilayer balun transformer structure
07/04/2002US20020084871 Constant impedance filter
07/04/2002US20020084870 Programmable driver/equalizer with alterable anlog finite impulse response (FIR) filter having low intersymbol interference & constant peak amplitude independent of coefficient settings
07/04/2002US20020084867 Microwave semiconductor variable attenuation circuit
07/04/2002US20020084106 Hermetic multi-layered circuit assemblies and method of manufacture
07/03/2002EP1219041A1 Powerline data network filter
07/03/2002CN1356741A Multi-layer LC filter
07/02/2002US6414568 Interdigitated, laminated LC bandpass filter with different length electrodes
07/02/2002US6414567 Duplexer having laminated structure
07/02/2002US6414566 Frequency-characteristics variable filter, duplexer, and communication apparatus
07/02/2002US6414565 Variable attenuator and mobile communication apparatus
07/02/2002US6414562 Circuit and method for impedance matching
07/02/2002US6414544 Demodulation filter
07/02/2002US6414250 Hermetic multi-layered circuit assemblies and method of manufacture
06/2002
06/27/2002WO2002051016A2 Bidirectional signal repeater
06/27/2002WO2002051003A2 Generating two signals having a mutual phase difference of 90°
06/27/2002WO2002007337A3 Frequency multiplexer
06/27/2002US20020083466 Set-top box with out-of band modem and cable modem
06/27/2002US20020080865 Bidirectional signal repeater
06/27/2002US20020080718 Generating two signals having a mutual phase difference of 90°
06/27/2002US20020079849 AC power converter
06/26/2002EP1217733A1 Filtercombiner with broadband branch
06/26/2002CN1355603A Subassembly electronic component
06/25/2002US6411178 Multi-layer composite electronic component
06/25/2002US6411176 Voltage-controlled duplexer and communication apparatus
06/25/2002US6411173 Method to achieve a DC balanced signal databus interface using combination of ethernet and RS-485 protocols with step-up transformer coupling
06/25/2002US6410902 Optical receiver
06/20/2002US20020075191 Antenna
06/20/2002US20020075178 Radar transmitter circuitry and techniques
06/20/2002US20020075138 Portable object detection system
06/19/2002EP1215748A1 Composite high frequency apparatus
06/19/2002CN1354905A Narrow band-pass tuned resonator filter topologies having high selectivity, low insertion loss and improved out-of band rejection over extended frequency ranges
06/18/2002US6407647 Integrated broadside coupled transmission line element
06/13/2002WO2002047256A2 Harmonic matching network for a saturated amplifier
06/13/2002WO2002047195A1 A method and apparatus for tuning a combiner filter
06/13/2002WO2002019521A3 Receiver impedance calibration arrangements in full duplex communication systems
06/13/2002WO2002015323A3 Highly integrated single substrate mmw multi-beam sensor
06/13/2002US20020072843 Safe distance algorithm for adaptive cruise control
06/13/2002US20020072138 Method of making opto-electronic devices using sacrificial devices
06/13/2002US20020070814 Universally stable output filter
06/13/2002DE10146825A1 Programmierbare Impedanzsteuerschaltung Programmable impedance control circuit
06/12/2002EP1213835A1 Filter circuit
06/12/2002EP1213729A1 Inductor element
06/12/2002EP1058964B1 Low-pass filter for a diplexer
06/11/2002US6404304 Microwave tunable filter using microelectromechanical (MEMS) system
06/11/2002US6404276 Integrated filter tuning method and apparatus
06/11/2002US6403943 Variable resistance circuit, operational amplification circuit, semiconductor integrated circuit, time constant switching circuit and waveform shaping circuit
06/06/2002WO2002045264A2 Line impedance calibration using actual impedance determination
06/06/2002WO2002045263A1 Integrated low-pass or band-pass filter
06/06/2002WO2001091292A3 Method and apparatus for achieving broadband matching of narrow-band resonator filter impedances to loads and sources
06/06/2002US20020067583 Circuit arrangement
06/06/2002US20020067305 System and technique for mounting a radar system on a vehicle
06/06/2002US20020067287 Near object detection system
06/06/2002US20020067226 Filter Circuit
06/06/2002US20020067223 Ninety degree splitter
06/06/2002US20020067222 Multi-tap system
06/06/2002US20020067168 Line impedance calibration using actual impedance determination
06/05/2002EP1119102A9 Feedback circuit and amplifier and mixer comprising the same
06/05/2002CN1352814A Method for microstrip cross-coupling control apparatus
06/04/2002US6400772 Line interface and method for detecting and eliminating an impedance mismatch between a transceiver and a transmission line
06/04/2002US6400237 Phase compensation circuit, frequency converter device and active phased array antenna
06/04/2002US6400236 Method and apparatus for a radio frequency power divider having un-terminated outputs
06/04/2002US6400200 Semiconductor integrated circuit which generates waveforms which are out of phase with each other
06/04/2002US6398584 Balun and associated method for connecting cables
05/2002
05/30/2002US20020065040 Single-ended to differential and differential to single-ended conversion using a common mode shunt
05/30/2002US20020063611 Multilayered LC filter
05/30/2002US20020063606 Receiver circuit
05/30/2002US20020063576 Programmable impedance control circuit
05/29/2002CN1351451A Passband smooth compensating circuit
05/29/2002CN1351425A 天线 Antenna
05/28/2002US6396458 Integrated matched antenna structures using printed circuit techniques
05/28/2002US6396362 Compact multilayer BALUN for RF integrated circuits
05/23/2002WO2002041343A1 Electronic component-use substrate and electronic component
05/23/2002US20020060609 Balanced input/output filter circuit and device
05/23/2002CA2400321A1 Electronic component-use substrate and electronic component
05/22/2002CN1350366A Matching unit
05/21/2002US6393607 AC port device for cable television tap
05/21/2002US6393262 Difference frequency impedance transformation circuits and methods for providing same in power amplifier systems
05/21/2002US6392608 Device for decreasing the number of antennas on a combat vehicle
05/21/2002US6392297 Electronic circuit element of conductor/insulator stacked type using high machinability substrate and benzocyclobutene as insulator
05/16/2002WO2002039582A2 A constant impedance filter
05/16/2002WO2002039536A1 A method of tuning a summing network
05/16/2002WO2002018957A3 A device to audibly express impedance differences
05/16/2002WO2001084591A3 Pulsed rf power delivery for plasma processing
05/16/2002US20020057140 Filter assembly
05/16/2002US20020057139 Monolithic LC components
05/15/2002EP1206034A2 Adaptive tuning device and method for a wireless communication device
05/15/2002CN1349681A Impedance matching circuit for power amplifier
05/15/2002CN1349393A Lead set filter for a patient monitor
05/14/2002US6388863 Electronic part
05/14/2002US6388551 Method of making a laminated balun transform
05/14/2002US6388543 System for eight-phase 45° polyphase filter with amplitude matching
05/14/2002CA2069649C Quality factor improvement for filter applications
05/10/2002WO2002037708A2 Method of channel frequency allocation for rf and microwave duplexers
05/10/2002WO2002037669A1 Amplifier linearisation
05/10/2002WO2001043414A3 Low pass for an adsl frequency filter