Patent application number | Description | Published |
20100231323 | Ceramic monoblock filter with inductive direct-coupling and quadruplet cross-coupling - A ceramic monoblock filter including a direct signal path defined by at least four spaced-apart through-hole resonators in combination with ground bars extending between the through-hole resonators and a separate quadruplet cross-coupling alternate signal path defined by two conductive pads located adjacent the first and fourth ones of the through-hole resonators respectively and a separate external bridge member which interconnects and couples the two pads. The bridge member is preferably made of a material having a lower dielectric constant than the block of the filter. In one embodiment, the filter is a monoblock duplexer filter comprising respective transmit and receive sections each including at least four of the through-hole resonators, the ground bars, the two pads, and the bridge member. In the duplexer embodiment, additional through-hole resonators may define shunt zeros. | 09-16-2010 |
20100289599 | High Performance RF Rx Module - An RF module for use in an RF signal transceiver system. In one embodiment, the RF module comprises a substrate having at least a duplexer filter, first and second bandpass filters and first and second low noise amplifiers mounted thereon. The substrate includes respective edges having respective RF signal input/output and supply voltage terminals defined therein. The overall dimensions of the substrate and/or the location of the respective terminals have been predetermined in a manner which allows the same size substrate with the same terminal locations to be used for several different air interfaces such as, for example, EGSM, GSM 850, DCS, and PCS applications, irrespective of a specific air interface need for differently sized and/or additional filters. | 11-18-2010 |
20110279200 | Dielectric Waveguide Filter with Structure and Method for Adjusting Bandwidth - A structure and method for adjusting the bandwidth of a ceramic waveguide filter comprising, in one embodiment, a monoblock of dielectric ceramic material defining respective steps and respective input/output through-holes extending through the monoblock and the respective steps. In one embodiment, the steps are defined by notches in the monoblock and the input/output through-holes define openings terminating in the notch. The bandwidth of the ceramic waveguide filter may be adjusted by adjusting the height/thickness and direction of the steps relative to an exterior surface of the monoblock and/or the diameter of the input/output through-holes. | 11-17-2011 |
20120286901 | Dielectric waveguide filter with direct coupling and alternative cross-coupling - A dielectric waveguide filter comprising a block of dielectric material including a plurality of resonators defined by a plurality of slots defined in the block of dielectric material. The resonators are arranged on the block of dielectric material in one or more rows and columns. First and second RF signal input/output electrodes are defined on the block of dielectric material. A first direct RF signal transmission path for the transmission of an RF signal is defined by the first and second RF signal input/output electrodes and the plurality of resonators. In one embodiment, internal windows define a first direct RF signal transmission means and additional RF signal transmission means define alternate or cross-coupling paths for the transmission of the RF signal from resonators in one column to resonators in another column. In one embodiment, the filter is comprised of two separate blocks of dielectric material which have been coupled together. | 11-15-2012 |
20120293283 | Tuned Dielectric Waveguide Filter and Method of Tuning the Same - A method of tuning the frequency of a waveguide filter including the step of removing dielectric material from one or both of the first and second opposed exterior side surfaces of the waveguide filter to cause a change in the center frequency of the waveguide filter. In one embodiment, dielectric material is removed from one or both of the first and second opposed exterior side surfaces of the waveguide filter in unequal amounts wherein the tuned waveguide filter includes first and second slits defined in the respective first and second opposed exterior side surfaces which extend unequal first and second distances into the body of the waveguide filter. | 11-22-2012 |
20140077900 | Dielectric Waveguide Filter with Direct Coupling and Alternative Cross-Coupling - A dielectric waveguide filter comprising a block of dielectric material covered with an exterior layer of conductive material. A plurality of stacked resonators are defined in the block of dielectric material by one or more slots in the block of dielectric material and an interior layer of conductive material that separates the stacked resonators. First and second RF signal transmission windows in the interior layer of conductive material provide for both direct and cross-coupling RF signal transmission between the stacked resonators. In one embodiment, the waveguide filter is comprised of separate blocks of dielectric material each covered with an exterior layer of conductive material, each including one or more slots defining a plurality of resonators, and coupled together in a stacked relationship. | 03-20-2014 |
20140266514 | Dielectric Waveguide Filter with Direct Coupling and Alternative Cross-Coupling - A dielectric waveguide filter which, in one embodiment, is comprised of a plurality of monoblocks coupled together in a side-by-side relationship. In one embodiment, the waveguide filter includes two end monoblocks and two interior monoblocks each defining two resonators. First and second RF signal input/output electrodes are defined on the two end monoblocks. In one embodiment, a direct RF signal transmission path is defined in part by the combination of the resonators, RF signal transmission bridges on each of the monoblocks that interconnect the resonators on each of the monoblocks, and RF signal transmission windows between and interconnecting the resonators of adjacent monoblocks. In one embodiment, alternate or cross-coupling RF signal transmission paths are defined by external RF signal transmission lines that extend between adjacent monoblocks. | 09-18-2014 |
20140361853 | Dielectric Waveguide Filter with Structure and Method for Adjusting Bandwidth - A structure and method for adjusting the bandwidth of a ceramic waveguide filter comprising, in one embodiment, a monoblock of dielectric ceramic material defining respective steps and respective input/output through-holes extending through the monoblock and the respective steps. In one embodiment, the steps are defined by notches in the monoblock and the input/output through-holes define openings terminating in the notch. The bandwidth of the ceramic waveguide filter may be adjusted by adjusting the height/thickness and direction of the steps relative to an exterior surface of the monoblock and/or the diameter of the input/output through-holes. | 12-11-2014 |
20150084720 | Dielectric Waveguide Filter with Direct Coupling and Alternative Cross-Coupling - A waveguide filter comprising a base block of dielectric material defining at least first and second resonators and a bridge block seated on top of the base block and defining at least a third resonator. In one embodiment, the base block comprises first and second base blocks that have been coupled together in an end to end relationship. An external transmission line or an interior RF signal transmission window or an RF signal transmission bridge provides a cross-coupling RF signal transmission path between the first and second resonators. At least first and second interior RF signal transmission windows provide a direct RF signal transmission path between the first and third resonators and the second and third resonators respectively. | 03-26-2015 |
Patent application number | Description | Published |
20100023609 | FMC Architecture for CDMA Network - A method and apparatus are provided for connecting a mobile device to a subscriber access network, such as 3G network over an untrusted network, such as a wireless local area network (WLAN). SIP signaling is performed to authenticate and establish a connection to the subscriber access network. A unique identifier may be assigned to the mobile device for transmitting data to and receiving data from the subscriber access network. | 01-28-2010 |
20110191484 | HIERARCHICAL ROUTING AND INTERFACE SELECTION FOR MULTI-PROCESSOR MULTIMODE NETWORK DEVICES - The embodiments simplify the development of applications for current and future wireless communication devices, resolving the deficiencies of current methods by providing a hierarchical routing layer which abstracts the actual proximity of the network connection. An application can request and receive a type of network connection without having to address details of the actual connection established. A hierarchical routing layer is provided within the software architecture of each processor within the computing device. The hierarchical routing layer abstracts the actual proximity of the network connectivity on the modem from the applications using proxy network interfaces. The hierarchical routing layers on each processor cooperate to identify a best network interface for an application network request. The routing layer enables response to an application request for a network interface in a simple manner regardless of whether the network interface is provided on the application host processor or another processor. | 08-04-2011 |
20120159218 | EFFICIENT POWER MANAGEMENT AND OPTIMIZED EVENT NOTIFICATION IN MULTI-PROCESSOR COMPUTING DEVICES - Methods and devices for reducing power consumption in a multi-processor computing device include filtering indications from the second processor intended for the first processor while the first processor is in a low power state, so that only selected, such as significant, indications are transmitted. The second processor may be informed when the first processor is in a low power state. Indications generated by the second processor may be compared to indication filtering criteria to determine whether each should be transmitted to the first processor. Those indications satisfying the indication filtering criteria may be sent to the first processor, causing it to return to a normal power state. In mobile computing device the first processor may be an applications processor and the second processor may be a modem. Filtering of indications may be accomplished in the second processor or in a power controller in some implementations. | 06-21-2012 |
20120224485 | ARCHITECTURE FOR WLAN OFFLOAD IN A WIRELESS DEVICE - Architecture for performing WLAN offload in a wireless device is disclosed. In an exemplary embodiment, an apparatus includes an application section configured to form IP packets from data to be transmitted, a modem section configured to apply a cellular protocol to the IP packets to form cellular protocol packets, an endpoint configured to encapsulate the cellular protocol packets to form outer IP tunnel packets, and a WLAN interface configured to transmit the outer IP tunnel packets over a WLAN communication channel. In another exemplary embodiment, an apparatus includes a WLAN interface configured to receive outer IP tunnel packets over a WLAN communication channel, an endpoint configured to extract cellular protocol packets from the outer IP tunnel packets, a modem processor configured to remove a cellular protocol from the cellular protocol packets to form IP packets, and an application processor configured to extract received data from the IP packets. | 09-06-2012 |
20130091303 | SYSTEMS AND METHODS FOR DATA PACKET PROCESSING - Systems and methods for performing efficient network address (NAT) translation are described herein. In some aspects, partial NAT entries are created for data packets before all the IP fragments of the data packets are received. Further, the IP fragments are transmitted before all the IP fragments of the data packets are received. In some aspects, unique IP-IDs are generated for IP fragments and/or data packets at a NAT device. | 04-11-2013 |
20130156041 | APPARATUS AND METHODS FOR EFFICIENT NETWORK ADDRESS TRANSLATION AND APPLICATION LEVEL GATEWAY PROCESSING - Apparatus and methods for efficient NAT and ALG processing is disclosed. An exemplary method includes the operations of deep scanning a packet received over a connection to determine an application level gateway (ALG) process to be performed on the packet, associating the connection with the ALG process, and forwarding additional packets received over the connection to receive the ALG process based on said associating so that deep scanning of the additional packets is bypassed. An exemplary apparatus includes a processor to deep scan a packet received over a connection to determine an ALG process to be performed on the packet, a database to associate the connection with the ALG process, and a packet transmitter to forward additional packets received over the connection to receive the ALG process based on said associating so that deep scanning of the additional packets is bypassed. | 06-20-2013 |