| Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104) |
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| 01/25/2000 | US6018282 Voltage-controlled variable-passband filter and high-frequency circuit module incorporating same |
| 01/25/2000 | US6018280 Broad-band high-power RF combiner |
| 01/19/2000 | EP0973255A1 90 degree phase shifter and image rejection mixer |
| 01/19/2000 | EP0972365A1 Return path filter |
| 01/18/2000 | US6016084 Method for connecting printed circuit board with housing, and electronic instrument having connection structure according to the connecting method |
| 01/18/2000 | CA2199456C Wireless communication device with antenna-activated switch |
| 01/12/2000 | EP0970536A1 Antenna more especially for motor vehicles |
| 01/11/2000 | US6014409 Passive analog filter for network interface |
| 01/06/2000 | WO2000001061A2 Linearized integrated frequency demodulator |
| 01/05/2000 | EP0969596A2 Variable attenuation circuit |
| 01/04/2000 | US6011450 Semiconductor switch having plural resonance circuits therewith |
| 12/29/1999 | WO1999067796A1 Feed-through filter assembly |
| 12/29/1999 | EP0967736A1 Filter arrangement |
| 12/29/1999 | CN1240055A Dual-band antenna coupler for portable radiotelephone |
| 12/28/1999 | US6009318 Electronically adjustable balanced-to-unbalanced converters (balun) |
| 12/26/1999 | CA2275008A1 Filter arrangement |
| 12/23/1999 | WO1999066683A1 Impedance matching interface for transmission loop |
| 12/22/1999 | CN2355498Y 铁芯滤波器 Core filter |
| 12/21/1999 | US6006080 Receiving mixer circuit for mobile radio transceiver designed to operate with multiple modulation modes and multiple frequency bands |
| 12/21/1999 | US6005892 Method and apparatus for transmission line equalization |
| 12/21/1999 | US6005756 Effective grounding of a circuit at RF and IF |
| 12/16/1999 | WO1999065141A1 Surface acoustic wave filter, and shared device for antenna |
| 12/15/1999 | EP0964525A2 Low-noise sigma-delta analog-to-digital converter |
| 12/15/1999 | EP0963624A1 Device and process for telecommunication |
| 12/15/1999 | CN1238596A AC power source filter for audio video electrical load |
| 12/09/1999 | WO1999063623A1 Extended bandwidth dual-band patch antenna systems and associated methods of broadband operation |
| 12/08/1999 | EP0962851A2 Timing circuit utilizing a clock tree as a delay device |
| 12/08/1999 | CN1237824A Buffer amplifying return circuit |
| 12/07/1999 | US5999796 Return path attenuation filter |
| 12/07/1999 | US5999568 Method and apparatus for transmission line equalization |
| 12/07/1999 | US5999398 Feed-through filter assembly having varistor and capacitor structure |
| 12/07/1999 | US5999134 Glass antenna system with an impedance matching network |
| 12/07/1999 | US5999066 Interface module for a sending section and a receiving section |
| 12/05/1999 | CA2241161A1 Method and apparatus for selective analog signal attenuation |
| 12/01/1999 | EP0961400A2 Buffer amplifier |
| 11/30/1999 | US5995591 Connecting arrangement for reducing induced noise |
| 11/30/1999 | US5995382 Self-oscillation type switching power supply |
| 11/30/1999 | US5994933 Semiconductor device for controlling a delay time of an output signal of a PLL |
| 11/25/1999 | WO1999060700A1 Saw filter, antenna sharing device using the same, and mobile communication terminal using the same |
| 11/25/1999 | WO1999060699A1 System and method for edge termination of parallel conductive planes in an electrical interconnecting apparatus |
| 11/24/1999 | EP0958654A1 Passive analog filter for network interface |
| 11/23/1999 | US5991597 Converter for a satellite signal receiving antenna |
| 11/23/1999 | US5990761 Phase shifter circuit with high linearity |
| 11/23/1999 | US5990759 Directional coupler rotatable around a fulcrum |
| 11/23/1999 | US5990758 High-frequency signal branching device |
| 11/23/1999 | US5990732 Composite high frequency apparatus and method of forming same |
| 11/17/1999 | EP0956643A1 Multilayer lowpass filter with single point ground plane configuration |
| 11/17/1999 | CN1235410A Nonreciprocal circuit device |
| 11/16/1999 | US5987314 Radio communication apparatus having a high receiving sensitivity |
| 11/16/1999 | US5986617 Multiband antenna matching unit |
| 11/16/1999 | US5986516 Chip attenuator having a capacitor therein |
| 11/16/1999 | US5985414 Laminated electronic component |
| 11/09/1999 | US5982253 In-line module for attenuating electrical noise with male and female blade terminals |
| 11/04/1999 | WO1999056419A1 Return path attenuation filter |
| 11/04/1999 | WO1999056339A1 Microwave channelized bandpass filter having two channels |
| 11/04/1999 | DE19917861A1 Laminated LC component, especially for use as a noise filter |
| 11/04/1999 | DE19818472A1 Electric component with wound construction for LV reactive current compensation |
| 11/04/1999 | CA2321624A1 Microwave channelized bandpass filter having two channels |
| 11/03/1999 | EP0954097A1 Adjustable bandpass filter |
| 11/03/1999 | EP0885485B1 Antenna arrangement |
| 11/03/1999 | EP0852845B1 Device for the absorption of electrical noise |
| 11/02/1999 | US5977863 Low cross talk ball grid array resistor network |
| 11/02/1999 | US5977845 LC composite part with no adverse magnetic field in the capacitor |
| 11/02/1999 | US5977713 High voltage noise filter and magnetron device using it |
| 10/28/1999 | WO1999055014A1 Broadcasting transmitter system |
| 10/28/1999 | WO1999045643A3 Low-pass filter for a diplexer |
| 10/28/1999 | DE19818003A1 Radio transmitter system especially for long, medium and short wave bands |
| 10/27/1999 | EP0951752A1 Multilayer lowpass filter with improved groud plane configuration |
| 10/26/1999 | US5973262 Multi-tap distribution apparatus |
| 10/21/1999 | DE19816490A1 Pre-selection filter layout for high frequency receivers |
| 10/19/1999 | US5970138 Terminal equipment for telecommunications and information processing |
| 10/19/1999 | US5969681 Extended bandwidth dual-band patch antenna systems and associated methods of broadband operation |
| 10/19/1999 | US5969582 Impedance matching circuit for power amplifier |
| 10/15/1999 | CA2268993A1 A converter module for an electrical power supply and a system including it |
| 10/14/1999 | WO1999052210A1 Component carrier |
| 10/14/1999 | WO1999052208A1 Narrow-band band-reject filter apparatus and method |
| 10/14/1999 | WO1999041843A3 Transmitting/receiving station having impedance-matched receiving means for transponder answer signals |
| 10/07/1999 | WO1999050884A1 Use of variable impedance having rotating core to control coil sputter distribution |
| 10/06/1999 | EP0948079A1 Nonreciprocal circuit device |
| 10/06/1999 | EP0947047A1 Method of and apparatus for matching a load to a source |
| 10/06/1999 | CN1231091A Multiple signal processing unit for utility wiring by receiver/lan and utility wiring system by receiver/lan |
| 10/06/1999 | CN1230801A Portable telephone antenna circuit with reduced susceptibility to human body and method for realizing the same |
| 10/05/1999 | US5963856 Wireless receiver including tunable RF bandpass filter |
| 10/05/1999 | US5963842 Satellite broadcasting receiving tuner |
| 10/05/1999 | US5963549 Fixed wireless loop system having baseband combiner predistortion summing table |
| 10/05/1999 | US5963416 Electronic device with outer electrodes and a circuit module having the electronic device |
| 10/05/1999 | US5963110 Equalizing filter and control method for signal equalization |
| 09/29/1999 | CN2341322Y Voltage controlling phase shifting device |
| 09/29/1999 | CN1230049A Semiconductor phase shifter having high-pass signal path and low-pass signal path connected in parallel |
| 09/28/1999 | US5959507 CATV passive component with RF splitter and power adding/removal port |
| 09/23/1999 | WO1999048199A1 Multiplexer/branching filter |
| 09/22/1999 | EP0944167A2 High-frequency filter, complex electronic component using the same, and portable radio apparatus using the same |
| 09/21/1999 | US5955931 Chip type filter with electromagnetically coupled resonators |
| 09/16/1999 | WO1999046784A1 Module and method of manufacture |
| 09/15/1999 | EP0942529A1 High frequency signal distributor |
| 09/15/1999 | EP0942528A2 Harmonic suppression circuit |
| 09/15/1999 | EP0941556A1 Dual-band antenna coupler for a portable radiotelephone |
| 09/15/1999 | EP0800242B1 High-frequency signal branching device |
| 09/14/1999 | US5952896 Impedance matching network |
| 09/14/1999 | US5952858 Of an integrated circuit process |