| Patent application number | Description | Published |
|---|
| 20080297298 | TUNABLE EMBEDDED INDUCTOR DEVICES - The invention provides tunable embedded high frequency inductor devices. The inductor device comprises a dielectric substrate. A first conductive line is disposed on a first surface of the dielectric substrate. A second conductive line is disposed on a second surface of the dielectric substrate. An interconnection is disposed perforating the dielectric substrate and connecting the first conductive line with the second conductive line. A coupling region is defined between the first and the second conductive lines. A conductive plug connecting the first conductive line and the second line is disposed in the coupling region. Alternatively, an opening is disposed in the first and second conductive lines to tune inductance of the inductor. | 12-04-2008 |
| 20090072942 | MEANDER INDUCTOR AND SUBSTRATE STRUCTURE WITH THE SAME - A meander inductor is disclosed, the inductor is disposed on a substrate or embedded therein. The meander inductor includes a conductive layer composed of a plurality of sinusoidal coils with different amplitudes and in series connection to each other, wherein the sinusoidal coils with different amplitudes are laid out according to a periphery outline. The profile of the meander inductor is designed according to an outer frame range available for accommodating the meander inductor and is formed by coils with different amplitudes. Therefore, under a same area condition, the present invention enables the Q factor and the resonant frequency fr of the novel inductor to be advanced, and further expands the applicable range of the inductor. | 03-19-2009 |
| 20090268369 | CAPACITOR STRUCTURE WITH RAISED RESONANCE FREQUENCY - A capacitor structure is provided. In the capacitor structure, a signal electrode plate and an extension ground electrode plate are disposed on the same plane to form a co-plane capacitor structure. Due to slow wave characteristic, the resonance frequency of the capacitor structure is effectively raised and the capacitor structure may be applied in high frequency. | 10-29-2009 |
| 20100026420 | BAND-PASS FILTER CIRCUIT AND MULTI-LAYER STRUCTURE AND METHOD THEREOF - A band-pass filter includes a plurality of resonators, a feedback capacitive device and a grounding inductance device. A first end of each resonator is connected to a first node, and a second end of each resonator is connected to a second node. The feedback capacitive device is formed on the feedback circuit from the first node to the second node. The grounding inductance device is connected to the second node and ground. In an embodiment, the resonator essentially consists of a capacitive device and an inductance device. | 02-04-2010 |
| 20100039232 | RADIO-FREQUENCY IDENTIFICATON (RFID) ANTENNA, TAGS AND COMMUNICATIONS SYSTEMS USING THE SAME - Radio-frequency identification (RFID) tag antenna, tags and communications systems using the same are presented. The RFID tag antenna includes a patterned conductive loop having a plurality of longitudinal conductive sections and a pair of transverse conductive sections connecting to each end of the longitudinal conductive sections to serve as a matching network. A pair of extended conductive arms is electrically connected to the patterned conductive loop via two nodes. A bonding pad with an RFID chip disposed thereon is arranged at the central area of the pair of extended conductive arms. | 02-18-2010 |
| 20110102282 | RECONFIGURABLE MULTI-BAND ANTENNA SYSTEM AND ELECTRONIC APPARATUS HAVING THE SAME - A reconfigurable multi-band antenna system has a signal transmission metal, a ground metal, at least two resonators, and at least two switches. The signal transmission metal and the ground metal respectively act as a signal feed-in end and a ground end and of the reconfigurable multi-band antenna system. The at least two resonators are disposed on at least one side of the transmission metal line. Each switch is coupled to the at least two resonators or one of them. Each switch has a control end, and independently and respectively receives one of the at least two control signals, wherein the at least two control signals respectively and independently the short and open of the switches. The at least two resonators form a resonator configuration of a semi-close resonating configuration or a close resonating configuration, and generates a signal within a frequency according to the resonator configuration. | 05-05-2011 |
