Patent application number | Description | Published |
20080243453 | CAPACITANCE MODELING - A method of modeling capacitance for a structure comprising a pair of long conductors surrounded by a dielectric material and supported by a substrate. In particular, the structure may be on-chip coplanar transmission lines over a conductive substrate operated at very high frequencies, such that the substrate behaves as a perfect dielectric. It is assumed that the surrounding dielectric material is a first dielectric with a first permittivity (ε | 10-02-2008 |
20080244485 | CAPACITANCE MODELING - A method of modeling capacitance for a structure comprising a pair of long conductors surrounded by a dielectric material and supported by a substrate. In particular, the structure may be on-clip coplanar transmission lines over a conductive substrate operated at very high frequencies, such that the substrate behaves as a perfect dielectric. It is assumed that the surrounding dielectric material is a first dielectric with a first permittivity (∈ | 10-02-2008 |
20080297261 | Circuits and Methods for Implementing Transformer-Coupled Amplifiers at Millimeter Wave Frequencies - Circuits and methods are provided for building integrated transformer-coupled amplifiers with on-chip transformers that are designed to resonate or otherwise tune parasitic capacitances to achieve frequency tuning of amplifiers at millimeter wave operating frequencies. | 12-04-2008 |
20090150848 | Topologies and Methodologies for AMS Integrated Circuit Design - A tool for analog and mixed signal circuits includes a unit enabling a user to identify one or more critical interconnect lines in a chip architecture and one or more selectable, predefined topologies for said critical interconnect lines. Each topology includes one or more signal wires and a current return path. A majority of the electric field lines are contained within the boundary of the topology. The invention also includes a method for designing analog and mixed signal (AMS) integrated circuits (IC), including defining a chip architecture and a floor plan, identifying one or more critical interconnect lines and selecting pre-designed transmission line topologies for the critical interconnect lines. | 06-11-2009 |
20090158227 | METHOD AND SYSTEM FOR CALCULATING HIGH FREQUENCY LIMIT CAPACITANCE AND INDUCTANCE FOR COPLANAR ON-CHIP STRUCTURE - Capacitance and inductance expressions used for modeling critical on-chip metal interconnects. A method for calculating high frequency limit capacitances C | 06-18-2009 |
20100013459 | CIRCUITS AND METHODS FOR HIGH-EFFICIENCY ON-CHIP POWER DETECTION - Power detector integrally formed within a printed transmission line to capacitively couple a portion of signal power propagating on the printed transmission line and a power detector circuit that receives coupled power output from the power detector to detect a power level of the signal power. The power detector is designed such that capacitance of the coupling capacitor is absorbed into a distributed capacitance of the transmission line to maintain continuity of a characteristic impedance of the transmission line. | 01-21-2010 |
20110072408 | METHOD AND SYSTEM FOR DESIGN AND MODELING OF TRANSMISSION LINES - A method and system for design and modeling of transmission lines are provided. The method includes providing a set of models of core structures ( | 03-24-2011 |
20110179392 | LAYOUT DETERMINING FOR WIDE WIRE ON-CHIP INTERCONNECT LINES - A method for determining the layout of an interconnect line is provided including: providing a required width for the interconnect line; determining a layout of the interconnect line including slotting the interconnect line to provide two or more fingers extending along the interconnect line with an elongate slot separating adjacent fingers; and determining a number of elongate apertures to be arranged across the width of the interconnect line by comparing the required width with a maximal width for a solid metal feature, and a minimal elongate aperture width. The two or more fingers and elongate slot may be of constant width and equally spaced across the interconnect line width. The method may include selecting the number of fingers and the width of the slots to optimize the layout for a given layer technology. | 07-21-2011 |
20120091342 | MONOLITHIC PASSIVE THz DETECTOR WITH ENERGY CONCENTRATION ON SUB-PIXEL SUSPENDED MEMS THREMAL SENSOR - A THz radiation detector comprising a plurality of antenna arms separated from a suspended platform by an isolating thermal air gap. The detector functions to concentrate THz radiation energy into the smaller suspended MEMS platform (e.g., membrane) upon which a thermal sensor element is located. The THz photon energy is converted into electrical energy by means of a pixilated antenna using capacitive coupling in order to couple this focused energy across the thermally isolated air gap and onto the suspended membrane on which the thermal sensor is located. | 04-19-2012 |
20130082802 | STRUCTURE AND COMPACT MODELING OF VARIABLE TRANSMISSION LINES - A novel and useful fabricated variable transmission line that is tuned digitally is presented. Digital tuning of the variable transmission line enables the compensation of process variation in both the active and passive devices of the RF design. Along with several embodiments of the variable transmission line, the present invention also provides a method of compact modeling of the variable transmission line. The variable transmission line structure and compact modeling enables circuit level simulation using a parametric device that in one embodiment can be included as an integral part of a silicon foundry design kit. | 04-04-2013 |
20130194042 | Multi-Stage Amplifier Using Tunable Transmission Lines and Frequency Response Calibration of Same - A multi-stage amplifier is provided that uses tunable transmission lines, as well as a calibration method for the multi-stage amplifiers. A multi-stage amplifier, comprises a plurality of tunable amplification stages, wherein each of the tunable amplification stages comprises a tunable resonator based on a transmission line having a tunable element. The tunable elements may vary a capacitance or an inductance to tune a frequency of an applied signal. A calibration method is provided for a multi-stage amplifier having a plurality of transmission lines, an input stage and an output stage. The multi-stage amplifier is calibrated by generating a signal to determine a frequency for a substantially maximum power; generating an error signal by comparing the frequency for the substantially maximum power with a desired frequency; varying a digital control code applied to each of the tunable transmission lines, input stage and output stage until the error signal satisfies predefined criteria. | 08-01-2013 |
20130318490 | METHOD AND SYSTEM FOR DESIGN AND MODELING OF VERTICAL INTERCONNECTS FOR 3DI APPLICATIONS - A system and method for design and modeling of vertical interconnects for 3DI applications. A design and modeling methodology of vertical interconnects for 3DI applications includes models that represent the frequency dependent behavior of vertical interconnects by means of multi-segment RLC scalable filter networks. The networks allow for accuracy versus computation efficiency tradeoffs, while maintaining correct asymptotic behavior at both high and low frequency limits. In the framework of the model it is shown that a major effect is pronounced frequency dependent silicon substrate induced dispersion and loss effects, which is considered in through silicon via (TSV) parallel Y-element parameters, including capacitance and conductance. | 11-28-2013 |
20140049934 | SLAB INDUCTOR DEVICE PROVIDING EFFICIENT ON-CHIP SUPPLY VOLTAGE CONVERSION AND REGULATION - A voltage conversion circuit such as a buck regulator circuit has a plurality of switches coupled to a voltage source; a slab inductor having a length, a width and a thickness, where the slab inductor is coupled between the plurality of switches and a load and carries a load current during operation of the plurality of switches. The voltage conversion circuit can also include means to reduce or cancel a detrimental effect of other wires on same chip, such as a power grid, that conduct a return current and thereby degrading the functionality of this slab inductor. In one embodiment the wires can be moved further away from the slab inductor and in another embodiment magnetic materials can be used to shield the slab inductor from at least one such interfering conductor. | 02-20-2014 |
Patent application number | Description | Published |
20100001842 | SINGLE FREQUENCY LOW POWER RFID DEVICE - Methods, systems, and apparatuses for a reader transceiver circuit are described. The reader transceiver circuit incorporates a frequency generator, such as a surface acoustic wave (SAW) oscillator. A reader incorporating the reader transceiver circuit is configured to read a tag at very close range, including while being in contact with the tag. The transceiver can be coupled to various host devices in a variety of ways, including being located in a RFID reader (e.g., mobile or fixed position), a computing device, a barcode reader, etc. The transceiver can be located in an RFID module that is attachable to a host device, can be configured in the host device, or can be configured to communicate with the host device over a distance. The RFID module may include one or more antennas, such as a first antenna configured to receive a magnetic field component of an electromagnetic wave and a second antenna configured to receive an electric field component of an electromagnetic wave. The RFID module may include a detector that is configured to determine if the RFID module is positioned in proximity to an object, such as a RFID tag. The detector may operate as a trigger for the RFID module, to enable or trigger a function of the RFID module. | 01-07-2010 |
20110050421 | SYSTEMS, METHODS AND APPARATUS FOR DETERMINING DIRECTION OF MOTION OF A RADIO FREQUENCY IDENTIFICATION (RFID) TAG - The present disclosure describes a system, methods and apparatus for determining a direction of motion of an RFID tag. An RFID reader is provided that includes an antenna that is tilted at a tilt angle with respect to a detection path. Response signals from the RFID tag are received at the antenna at different times, and an RSSI sample of each response signal is measured. Based on the RSSI samples, an RSSI/time data point is generated for each of the RSSI samples. Each RSSI/time data point defines a measured RSSI value for a particular RSSI sample versus a time that particular RSSI sample was measured. Based on the plurality of RSSI/time data points, the direction of motion of the RFID tag can be determined. | 03-03-2011 |
20130026236 | METHOD FOR AIMING IMAGING SCANNER WITH SINGLE TRIGGER - A method of operating a barcode reader. The method includes (1) detecting a first pulling of the trigger while the barcode reader is at the waiting mode; (2) detecting a first release of the trigger within a first predetermined time period after the first pulling of the trigger is detected, for operating the barcode reader in the aiming mode if the first release of the trigger is detected within the first predetermined time period,; and (3) detecting a second pulling of the trigger while the barcode reader is at the aiming mode within a second predetermined time period after the first release of the trigger is detected, for operating the barcode reader in the decoding mode if the second pulling of the trigger is detected within the second predetermined time period. | 01-31-2013 |
Patent application number | Description | Published |
20120238262 | SYSTEMS AND METHODS OF TRANSFERRING USER INFORMATION TO DIFFERENT DEVICES - A communications system according to certain embodiments includes a mobile device and a second type of communications system, such as a landline telephone system, that share usage information. The shared information can include call logs of in-coming and out-going calls, missed calls, text messages, address book information, GPS data, internet browsing data, and the like. | 09-20-2012 |
20140173961 | METHODS AND SYSTEM FOR CONTROLLING THE USE OF FIREARMS - According to certain aspects, a system for controlling use of firearms can include location circuitry and communications circuitry. The location circuitry may be configured to determine a location of a firearm. The communications circuitry may be configured to communicate information relating to the location of the firearm to a remote server, wherein the remote server can include information relating to one or more locations at which the firearm should be disabled. The communications circuitry may also be configured to determine whether the location of the firearm is a location at which the firearm should be disabled. The communications circuitry may further be configured to, in response to determining that the location of the firearm is a location at which the firearm should be disabled, disable the firearm from operating. | 06-26-2014 |
20140173962 | METHODS AND SYSTEM FOR CONTROLLING THE USE OF FIREARMS - According to certain aspects, a system for controlling use of firearms can include a circuitry coupled to a firearm and in communication with a Global Positioning System (GPS) unit. The circuitry may be configured to: determine, using the GPS unit, coordinates of a current location of the firearm; transmit the coordinates of the current location of the firearm to a remote server, wherein the remote server comprises a database including a plurality of coordinates associated with a plurality of locations at which the firearm should be enabled or disabled; receive from the remote server information relating to whether the firearm should be disabled at the coordinates of the current location of the firearm; and in response to determining that the firearm should be disabled based on the information from the remote server, initiate disabling of the firearm. | 06-26-2014 |
20140342774 | SYSTEMS AND METHODS OF TRANSFERRING USER INFORMATION TO DIFFERENT DEVICES - A communications system according to certain embodiments includes a mobile device and a second type of communications system, such as a landline telephone system, that share usage information. The shared information can include call logs of in-coming and out-going calls, missed calls, text messages, address book information, GPS data, internet browsing data, and the like. | 11-20-2014 |