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| Number | Title | Issue Date |
| 7388939 | Fractional-R frequency synthesizer A fractional-R synthesizer having a divider with rational increments and configurable in rational steps able to generate a plurality of frequencies in rational increments from a reference frequency. A voltage-controlled oscillator frequency (fVCO) is rela... | 06/17/2008 |
| 7154436 | Shared circuitry for GPS and local area network systems The present invention discloses a method, system, and apparatus for sharing circuitry within mobile GPS and Bluetooth receivers. By selectively combining the downconversion, processing, and control sections, lower power dissipation can be achieved, along with lower ... | 12/26/2006 |
| 7151485 | Generic satellite positioning system receivers with selectable inputs and outputs Generic SATPS receivers and methods for configuring generic SATPS receivers that include a plurality of outputs are provided. These configurable SATPS receivers are adapted to be utilized in at least one of a plurality of particular SATPS receiver applications, and ... | 12/19/2006 |
| 7151489 | Method and system for multi-function satellite positioning system receivers Multifunction satellite positioning receiver having a plurality of functions that are selectable in response to predetermined events or in response to user actions and enable more efficient use of the hardware and processing resources of a multifunction satellite po... | 12/19/2006 |
| 7122828 | Semiconductor devices having regions of induced high and low conductivity, and methods of making the same Semiconductor apparatus comprising: a substrate having a substrate surface; a layer of a first material overlying a first region of the substrate surface; a layer of a semiconductor overlying the layer of first material and overlying a second region of the substrate... | 10/17/2006 |
| 7060557 | Fabrication of high-density capacitors for mixed signal/RF circuits A method for fabricating a capacitor on a semiconductor substrate is disclosed. The method may include simultaneously forming at least one via and at least one upper capacitor plate opening in a first dielectric layer having an underlying cap dielectric layer deposi... | 06/13/2006 |
| 7026986 | Location services system that reduces auto-correlation or cross-correlation in weak signals The present invention discloses methods, apparatuses, and systems for eliminating auto- and cross-correlation in weak signal CDMA systems, such as GPS systems. The invention uses parallel dam paths that allow standard correlation of signals in parallel with verifica... | 04/11/2006 |
| 7027605 | Mid-range loudspeaker A midrange loudspeaker for operation in conjunction with low-frequency and high-frequency loudspeaker modules in a theater sound system, having a reduced depth for deployment in limited space. The midrange module is configured with a plurality of drivers and a waveg... | 04/11/2006 |
| 6993531 | System and method of routine navigation A system and method for navigating through routinely visited web pages with a browser that allows a user to navigate through the web pages using a “Next/Previous” paradigm. The system includes a routine list having at least one routine, each routine including us... | 01/31/2006 |
| 6964328 | Antitheft design for rotary coin mechanisms A method and apparatus for an improved rotary coin mechanism that prevents the theft of vending machine items by preventing the maintained presence of a theft tool used by a thief to interfere with the operation of a coin detector so that a coin slot without a coin ... | 11/15/2005 |
| 6943635 | Optimum RF VCO structure A voltage-controlled oscillator (VCO) formed upon a substrate with a first inductor being offset from a second inductor in one of three dimensions and forming a common area that may contain at least one of a varactor, capacitor, oscillator, or switch. ... | 09/13/2005 |
| 6928050 | Protected switching ring Normal 802.3 Ethernet requires a tree topology. If a ring or a loop exists, then packets will be forwarded around the ring indefinitely. If the ring is broken, then there is no possibility of packets being propagated forever. This invention shows how to quickly impo... | 08/09/2005 |
| 6917246 | Doherty bias circuit to dynamically compensate for process and environmental variations The invention includes a Doherty power amplifier system having a Doherty power amplifier electrically connected to a Doherty bias circuit. The Doherty amplifier includes a carrier amplifier and peaking amplifier. The Doherty bias circuit includes a current mirror an... | 07/12/2005 |
| 6895232 | Method and apparatus for receiving radio frequency signals A method and apparatus for receiving radio frequency signals in a communication system is described. The inventive method and apparatus utilizes an inventive receiver circuit that downconverts an input signal so that interference components of the input signal can b... | 05/17/2005 |
| 6885940 | Navigation processing for a satellite positioning system receiver A method for navigation processing in a satellite positioning system receiver is disclosed. A method in accordance with the present invention comprises separating the three SATPS satellites into a first pair and a second pair, constructing a primary solution and an ... | 04/26/2005 |
| 6851513 | Tangential stress reduction system in a loudspeaker suspension The invention is a suspension element having an outer edge and an inner edge. The suspension element, such as a spider or surround, varies in shape along at least a portion of the suspension element to help relieve both the radial and tangential stress placed on the... | 02/08/2005 |
| 6842067 | Integrated bias reference An improved integrated bias reference provides a temperature and supply stable bias for devices such as radio frequency amplifiers with less complexity and expense than conventional bias references. The bias reference may be integrated onto a single GaAs die with ot... | 01/11/2005 |
| 6838352 | Damascene trench capacitor for mixed-signal/RF IC applications A method for fabricating a capacitor on a semiconductor substrate is disclosed. The method may include simultaneously forming at least one via and at least one upper capacitor plate opening in a first dielectric layer having an underlying cap dielectric layer deposi... | 01/04/2005 |
| RE38678 | Method and apparatus for synchronizing a data communications system to a periodic digital impairment A pulse code modulation modem system is configured to transmit data from a first modem to a second modem over the public switched telephone network (PSTN). The PSTN employs robbed bit signaling (RBS) such that symbols affected by RBS arrive at the second modem in a ... | 12/28/2004 |
| 6785530 | Even-order non-linearity correction feedback for Gilbert style mixers Double balanced mixers having transistor pairs are affected by area mismatches between the transistors. The area mismatches can be represented as a ratio between the mixer core transistors that is directly related to voltage. Thus, an input voltage into one of the m... | 08/31/2004 |
| 6778136 | Fast acquisition of GPS signal Upon reception of four GPS signals from GPS satellites and determining four pseudo ranges, along with ephemeris data previously stored in the GPS receiver, the location of the GPS receiver and real time clock time error is determined. The GPS receiver is in possessi... | 08/17/2004 |
| 6765623 | Method and apparatus for correcting phase imbalance in received in-phase and quadrature signals A method and apparatus that identifies the degree of correlation between a demodulated in-phase (I) and quadrature (Q) signal that represents phase imbalance between the in-phase (I) and quadrature (Q) signal and corrects the imbalance. ... | 07/20/2004 |
| D492123 | Fabric | 06/29/2004 |
| 6754292 | Receiver circuit A receiver circuit is for processing a received signal which includes at least a first portion and a second portion which repeats the content of the first portion after a repeat interval. For example, the receiver may be for DVB-T signals using COFDM. Two correlatio... | 06/22/2004 |
| 6734729 | Closed loop power amplifier control The invention includes an integrated circuit chip having a closed loop control module. The closed loop control module includes a power amplifier coupled to a feedback control circuit. The power amplifier linearly amplifies a communication signal based on a modified ... | 05/11/2004 |
| 6731173 | Doherty bias circuit to dynamically compensate for process and environmental variations The invention includes a Doherty power amplifier system having a Doherty power amplifier electrically connected to a Doherty bias circuit. The Doherty amplifier includes a carrier amplifier and peaking amplifier. The Doherty bias circuit includes a current mirror an... | 05/04/2004 |
| 6707423 | Location services system that reduces auto-correlation or cross-correlation in weak signals The present invention discloses methods, apparatuses, and systems for eliminating auto- and cross-correlation in weak signal CDMA systems, such as GPS systems. The invention uses parallel data paths that allow standard correlation of signals in parallel with verific... | 03/16/2004 |
| 6703971 | Mode determination for mobile GPS terminals The present invention discloses a system for determining the position of a GPS terminal. The system comprises a GPS terminal, a location aiding server, and a communications system. Messages are passed between the GPS terminal and the server, as well as wi... | 03/09/2004 |
| 6691066 | Measurement fault detection The present invention discloses a method and an apparatus for improving measurement fault detection in a sequential measurement processing estimator, and is particularly applied to Global Positioning Receivers.... | 02/10/2004 |
| 6684158 | Method for aiding a global positioning system A Search Domain Reducing Frequency Transfer in A Multi-Mode Global Positioning System Used With Wireless Networks is disclosed.... | 01/27/2004 |
| 6680703 | Method and apparatus for optimally tuning a circularly polarized patch antenna after installation The present invention provides methods and apparatuses for tuning a circularly polarized patch antenna to compensate for manufacturing tolerance variation, and to compensate for mistuning of the antenna due to the implementation of the product in which th... | 01/20/2004 |
| 6680695 | Communications system that reduces auto-correlation or cross-correlation in weak signals The present invention discloses methods, apparatuses, and systems for eliminating auto- and cross-correlation in weak signal CDMA systems, such as GPS systems. The invention uses parallel data paths that allow standard correlation of signals in parallel w... | 01/20/2004 |
| 6665612 | Navigation processing for a satellite positioning system receiver A method for navigation processing in a satellite positioning system receiver is disclosed. A method in accordance with the present invention comprises separating the three SATPS satellites into a first pair and a second pair, constructing a primary solut... | 12/16/2003 |
| 6660776 | Composition and method for lubricating and protecting the oral cavity using flavored petroleum jelly A composition and method for lubricating and protecting the oral cavity generally and specifically the teeth, gums and tongue using a flavored petrolatum. In the preferred embodiment, the composition contains about 96%-98% (w/w) of petrolatum and about 2%... | 12/09/2003 |
