| Patent application number | Description | Published |
|---|
| 20090140827 | BANDPASS FILTER AND HIGH FREQUENCY MODULE USING THE SAME AND RADIO COMMUNICATION DEVICE USING THEM - A bandpass filter having a bandpass width appropriate for UWB, a high frequency module including the bandpass filter, and radio communication device including both is provided. The bandpass filter including a laminate composed of a plurality of dielectric layers | 06-04-2009 |
| 20100013577 | BANDPASS FILTER, WIRELESS COMMUNICATION MODULE AND WIRELESS COMMUNICATION DEVICE - A bandpass filter for a wide frequency band such as UWB is disclosed. The bandpass filter can receive a pair of signals, namely a balanced signal, and output a pair of signals. The bandpass filter comprises a plurality of ½ wavelength resonance electrodes, a plurality of ¼ wavelength resonance electrodes and a plurality of coupling electrodes. A transmission characteristic of the bandpass filter having flat and low loss over the entire region of the broad pass band can be achieved. | 01-21-2010 |
| 20100033270 | BANDPASS FILTER, WIRELESS COMMUNICATION MODULE AND WIRELESS COMMUNICATION DEVICE - A bandpass filter for a wide frequency band such as UWB is disclosed. The bandpass filter can receive a pair of signals, namely a differential signal, and output a single signal, namely an unbalanced signal. A transmission characteristic of the bandpass filter having an attenuation pole near both sides of the passband can be achieved. | 02-11-2010 |
| 20100203859 | BANDPASS FILTER, AND RADIO COMMUNICATION MODULE AND RADIO COMMUNICATION DEVICE USING SAME - A bandpass filter, and a radio communication module and device using the same are disclosed. Provided is the bandpass filter in which resonant electrodes ( | 08-12-2010 |
| 20100219915 | Bandpass Filter, and Wireless Communication Module and Wireless Communication Apparatus Which Employ the Bandpass Filter - An ultra-wideband bandpass filter having two adequately-wide pass bands, and a wireless communication module and a wireless communication apparatus which employ the bandpass filter are provided. In a bandpass filter, first resonant electrodes are arranged on a first interlayer of a multilayer body in an interdigital form; a plurality of second resonant electrodes are arranged on a second interlayer in an interdigital form; and an input coupling electrode and an output coupling electrode are arranged on a third interlayer located between the first interlayer and the second interlayer. The input coupling electrode faces an input-stage first resonant electrode and an input-stage second resonant electrode in an interdigital form. The output-coupling electrode faces an output-stage first resonant electrode and an output-stage second resonant electrode in an interdigital form. | 09-02-2010 |
| 20100253448 | Diplexer, and Wireless Communication Module and Wireless Communication Apparatus Using the Same - A diplexer that can demultiplex and multiplex two signals having wide frequency bands, and a wireless communication module and a wireless communication apparatus using the same, are provided. A diplexer has a multilayer body including a first interlayer, a second interlayer and a third interlayer. On the first interlayer, first resonant electrodes are disposed in an interdigital form. On the second interlayer, a plurality of second resonant electrodes are disposed in an interdigital form. On the third interlayer, there are disposed an input coupling electrode that faces the input-stage first resonant electrode and the input-stage second resonant electrode in an interdigital form, a first output coupling electrode that faces the output-stage first resonant electrode in an interdigital form, and a second output coupling electrode that faces the output-stage second resonant electrode. | 10-07-2010 |
| 20110069739 | BANDPASS FILTER AND RADIO COMMUNICATION MODULE AND RADIO COMMUNICATION DEVICE USING THE SAME - Provided are a bandpass filter and a radio communication module and a radio communication device using the same. The bandpass filter includes: a first and a second grounding electrode arranged on the upper and the lower surface of a layered body; single resonance electrodes and composite resonance electrodes arranged to orthogonally intersect the single resonance electrodes; a first input coupling electrode opposing to the single resonance electrode of the input stage and a second input coupling electrode connected thereto and opposing to the composite resonance electrode of the input stage; a first output coupling electrode opposing to the single resonance electrode of the output stage and a second output coupling electrode connected thereto and opposing to the composite resonance electrode of the output stage. | 03-24-2011 |
| 20110080235 | BANDPASS FILTER AND RADIO COMMUNICATION MODULE AND RADIO COMMUNICATION DEVICE USING THE SAME - Provided are a bandpass filter and a radio communication module and a radio communication device using the same. The bandpass filter includes: a first and a second grounding electrode arranged on the upper and the lower surface of a layered body; first resonance electrodes and second resonance electrodes arranged to orthogonally intersect the first resonance electrodes; a first input coupling electrode opposing to the first resonance electrode of the input stage and a second input coupling electrode connected thereto and opposing to the second resonance electrode of the input stage; a first output coupling electrode opposing to the first resonance electrode of the output stage and a second output coupling electrode connected thereto and opposing to the second resonance electrode of the output stage. | 04-07-2011 |
