Abstract: The present invention provides for low loss tunable matching circuits at rf frequencies. Ferro-electric materials are used to produce low loss tunable capacitors and inductors for use in matching circuits.

Abstract: A stack package for a high density memory module includes at least one memory chip, an ASIC and an interposer, wherein the interposer comprises a first surface having contacts arranged in electrical communication with corresponding contacts on the ASIC and a second, substantially opposite surface including contacts arranged in electrical communication with corresponding contacts on a PCB. The at least one memory chip is dimensioned to fit within a cutout section in the interposer.

Abstract: Mobile telephone handset navigation functions are integrated into certain of the alphanumeric keys of the mobile keypad. Up, down, right, and left navigation functions are integrated into four alphanumeric keys. The mobile automatically toggles between the navigation and alphanumeric functions of these keys based on where the user is within the interface routine of the mobile. Optionally the user can manually toggle between the navigation and alphanumeric functions by pressing a menu key.

Abstract: The present invention provides an improved wireless communication device capable of detecting the presence of an external device and dynamically updating its communication abilities to facilitate communication with the external device. The wireless communication device, upon detecting a wired or wireless connection from an external device, queries the external device to obtain summary profile information about the external device. The wireless device next formulates a query comprising at least a portion of the summary profile information and sends the query to a remote server to request an appropriate communication interface. The remote server responds with the appropriate communication interface. Upon receipt of the interface, the wireless communication device installs the interface and then proceeds to establish communication with the external device.

Abstract: Systems and methods for interchangeable hardware components on a wireless communication device are provided. When a handset is powered up after having a hardware component replaced, the handset recognizes the presence of a new component. The handset then queries the component to obtain profile information about the component. The handset next queries an update server over a wireless communication network and requests an optimized device driver that will allow the handset to utilize the complete functionality of the new component. The update server responds with the executable device driver itself and an instruction set for installing the device driver. Upon receipt, the handset installs the device driver and reconfigures or reboots to complete the installation and configuration process.

Abstract: Systems and methods for modifying the area code in a wireless communication device are provided that provide authorization from the carrier. The wireless communication device contains a table of valid area codes in persistent memory. The table defines the complete set of area codes that can be used by the wireless communication device. The wireless device is capable of receiving an instruction from the network that causes the current area code to be changed to a new area code from the table of valid area codes. Alternatively, the wireless device is capable of receiving an instruction from the network that causes the current table of area codes to be replaced with a new table of area codes that is received from the network along with the instruction. After installation of the new table of valid area codes, then the wireless communication device can be instructed to change from the current area code to a new area code in the new table of valid area codes.

Abstract: A printed circuit board unbalanced dipole antenna is provided for a wireless communications telephone. Digital and/or transceiver circuits are mounted on a wireless telephone circuit board. In addition, a radiator is formed from a printed conductive line overlying the circuit board dielectric layer, with an end for connection to a transmission line and an unterminated end. To shorten the overall length of the antenna, the radiator is formed in a series of rectangular or zig-zag meanders with a plurality of first sections with a first orientation and a plurality of second sections with a second orientation, orthogonal, or approximately orthogonal to the first orientation. In some aspects, the radiator first sections overlie the dielectric layer first side and the radiator second sections overlie the dielectric layer second side. Then, the radiator first and second sections are connected with a plurality of vias.

Abstract: Systems and methods for dynamic installation of modular software applications and operating system components are provided. A wireless communication device sends a request to a software module server identifying a requested software module. The software module server responds with an instruction set for installing the software module and the software module itself. Upon receipt, the handset executes the instruction set to install the software module, making any necessary adjustments or deletions to data in persistent storage in order to accommodate the new software module. Subsequently, the wireless communication device is reconfigured or rebooted to complete the installation and configuration.

Abstract: A system and method is provided for full-duplex antenna impedance matching. The method comprises: effectively resonating a first antenna at a frequency selectable first channel in a first frequency band; generating a first antenna impedance at the first channel frequency; effectively resonating a second antenna at a frequency selectable second channel in the first frequency band; generating a second antenna impedance at the second channel frequency; supplying a first conjugate impedance match at the first channel frequency; and, supplying a second conjugate impedance match at the second channel frequency. For example, the first antenna may be used for transmission, while the second antenna is used for received communications. The antennas effectively resonant in response to: supplying frequency selectable conjugate impedance matches to the antennas; generating frequency selectable antenna impedances; and/or selecting the frequency of antenna resonance.

Abstract: A method of applying a frame to an image is provided, with the method operating on an image processor. The framing method uses a compact and flexible frame description for building a frame in a particular style. The frame description includes one or more graphical frame assets that are indicative of a portion of the frame. A frame rule provides instruction to the image processor on how to process and place the frame asset(s) into the frame, and how to apply the frame to the image. The framed image may then be published for local viewing, remote viewing, printing, or storing.

Abstract: A system and method for providing auxiliary reception in a wireless communications system includes a wireless communications device. The wireless communications device includes a first antenna and a second antenna. The wireless communications device can, for example, establish two-way communications with a wireless communications network. The wireless communications device can also use the second antenna in at least one of a mobile assisted hand off (MAHO), a diversity antenna system and a global positioning system (GPS) system.

Abstract: A dual-band antenna matching system and a method for dual-band impedance matching are provided. The method comprises: accepting a frequency-dependent impedance from an antenna; and, selectively supplying a conjugate impedance match for the antenna at either a first and a second communication band, or a third and a fourth communication band. More specifically, the method comprises: tuning a first tuning circuit to a first frequency; and, simultaneously tuning a second tuning circuit to a second frequency. In response, a conjugate match is supplied to the antenna in the first communication band in response to the first frequency. Simultaneously, the antenna is matched in the second communication band in response to the second frequency. When the first tuning circuit is tuned to a third frequency, and the second tuning circuit is tuned to a fourth frequency, then conjugate matches are supplied for the third and fourth communication bands, responsive to the third and fourth frequencies, respectively.

Abstract: A sub-band antenna matching method and an antenna matching system for selectively matching a communication bandwidth segment impedance have been provided. The method comprises: accepting a frequency-dependent impedance from an antenna; and, selectively supplying a conjugate impedance match for the antenna at a sub-band of a first communication band. In some aspects, the method selectively supplies a conjugate impedance match for the antenna at a sub-band of a second communication band. More specifically, the method comprises: tuning a first tuning circuit to a first frequency; simultaneously tuning a second tuning circuit to a second frequency to match the antenna at a low end of the first communication band. Likewise, the first tuning circuit is tuned to a third frequency and the second tuning circuit is tuned to a fourth frequency to match the antenna at a high end of the first communication band in response to the third and fourth frequencies.

Abstract: A tunable bandpass filter is provided that comprises a first shunt-connected ferroelectric (FE) tunable tank circuit having a first node to accept an input signal. A second shunt-connected FE tunable tank circuit has a second node to supply a bandpass filtered signal. A first capacitor is connected in series between the first and second nodes. In one aspect, the first tank circuit comprises a first resonator connected to the first node, and a fourth capacitor connected between the first resonator and a reference voltage. The fourth capacitor is a tunable FE capacitor. Typically, a fifth capacitor is connected between the first node and the reference voltage. Likewise, the second tank circuit comprises a second resonator connected to the second node, and a sixth (FE) capacitor connected between the second resonator and the reference voltage. A seventh capacitor is connected between the second node and the reference voltage.

Abstract: System and methods for modifying an electrical parameter of an electrical component are described. The system includes an electrical component disposed on a circuit board and a dielectric material. The electrical component has an electrical parameter that is sensitive to a dielectric constant of a substance proximate to the electrical component. The dielectric material is attached to the circuit board proximate to the electrical component and modifies the electrical parameter of the electrical component.

Abstract: The present invention provides a phase shifting filter and a phase compensating direct downconversion receiver. A DC offset detector detects a DC offset in a received baseband signal and provides a feedback signal. A tunable filter phase shifts a local oscillator signal responsive to the feedback signal. The phase-shifted local oscillator signal is used to directly downconvert a received RF signal, whereby DC offset in the resulting baseband signal is reduced.

Abstract: A system and method are presented for expediting acquisition of an operating channel in a wireless communications telephone device. The method activates a wireless communications telephone device and identifies the wireless device geographical location. The method correlates a Number Assignment Module (NAM) with geographical location information and selects the NAM. The method also correlates a predetermined group of channels in a Priority Roaming List (PRL) in the selected NAM with geographical location information and selects the channel group. The method scans channels in the PRL beginning with channels in the selected channel group.

Abstract: A system and method are provided for reorganizing software instructions in a wireless communications device memory. Wireless device system software is stored in current code sections with the start of code sections at corresponding start addresses. Memory blocks are identified with corresponding code sections. A new code section is received via a wireless communications device air interface. A current code section is identified for updating. Code section sizes are calculated. In response to calculating the code section sizes, a compaction schedule is generated. Current code sections are resized. Code section start addresses are changed. The new codes section is arranged with the current codes sections.

Abstract: A constant-gain phase shifter is provided, comprising a first tank circuit with a first node to accept an input signal, a first inductor connected between the first node and a reference voltage, and a first capacitor connected in parallel with the first inductor. The first tank circuit modifies the phase and the insertion loss associated with the input signal. A variable gain circuit has as input connected to the first node, an input to accept a control signal, and an output to supply a gain-modified signal. A second tank circuit comprises a second node connected to the variable insertion loss circuit output to supply a constant-gain phase-shifted signal, a second inductor connected between the second node and the reference voltage, and a second capacitor connected in parallel with the second inductor. The second tank circuit modifies the phase and insertion loss associated with the gain-modified signal.

Abstract: A MEMS antenna is provided comprising a dielectric layer, and a conductive line radiator formed overlying the dielectric layer including at least one selectively connectable MEMS conductive section to vary the mechanical (physical) length of the radiator. The antenna may include a plurality of selectively connectable MEMS conductive sections and a plurality of fixed-length conductive section. The MEMS conductive sections may be parallely aligned along the radiator width, and/or parallely aligned along the radiator length. For example, the radiator may have a first length formed in response to connecting a first MEMS conductive section, and a second length, shorter than the first length, formed in response to disconnecting the first MEMS conductive section. Then, the radiator first length would be an effective quarter-wavelength odd multiple at a first frequency, and the second length would be an effective quarter-wavelength odd multiple at a second frequency.