Bizarre Patents
A method to tenderize meat with an explosive shockwave.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8041219 | Optical network element with Brillouin effect colorless wavelength shift A method of optical communication includes generating an amplified optical signal from at least a portion of a first optical signal having a first carrier wavelength, λ1. The amplified optical signal is applied to Brillouin media to stimulate generation ... | 10/18/2011 |
| 7996192 | Method and apparatus for generating an environmental element prediction for a point of interest An apparatus for generating environmental element predictions at a point location includes a receiver for collecting broadcast environmental element prediction data. A processor generates at least one environmental element prediction for the point location. ... | 08/09/2011 |
| 7925005 | Longitudinal balance calibration for a subscriber line interface circuit A method of calibrating longitudinal balance for a subscriber line interface circuit includes providing a first and a second driver of a differential driver pair for driving a subscriber line. An output of each of the first and second drivers is coupled to a common ... | 04/12/2011 |
| 7788524 | Fault-tolerant networks Recovery systems and methods for sustaining the operation of a plurality of networked computers (20a,20b) in the event of a fault conditions are described. The basic recovery system comprises a plurality of virtual machines (31a... | 08/31/2010 |
| 7773839 | Optical dispersion compensation A method of providing dispersion compensation includes providing a dispersion signal indicative of an amount of dispersion for at least one channel of a multi-channel optical signal. A dispersion compensator is controlled in accordance with the dispersion signal to ... | 08/10/2010 |
| 7747166 | Pilot tones for optical signal wavelength identification and power measurement A method of optical communication includes providing a plurality of optical signals each associated with a distinct channel of a composite optical signal. A unique pilot tone signature is superimposed on each channel. The spectral composition of each signature inclu... | 06/29/2010 |
| 7693611 | Power supply control using supply power transition control and dynamic controller parameter(s) A variable power supply is controlled to supply power at approximately a first supply level for an electronic device. The variable power supply is controlled to control a transition of the power from approximately the first supply level toward a second supply level ... | 04/06/2010 |
| 7688119 | Power supply with digital control loop One embodiment of an apparatus for switching a transistor includes a first current mirror providing iB=K1i1, as a transistor base current, wherein the first current mirror is selectively driven by a current source | 03/30/2010 |
| 7643629 | Low voltage sensing and control of battery referenced transistors in subscriber loop applications A subscriber line interface circuit apparatus includes tip/ring sense circuitry generating a tip sense signal and a ring sense signal from three sensed currents, wherein the tip sense signal and the ring sense signal correspond to subscriber loop tip and ring curren... | 01/05/2010 |
| 7598643 | Motor with electrodynamically and hydrodynamically supported rotor An apparatus includes a rotor, a stator, and a plurality of magnets forming bearing poles coupled to a selected one of the stator or the rotor. The apparatus further includes a plurality of shorted coils coupled to the other of the stator and the rotor. The pluralit... | 10/06/2009 |
| 7500066 | Method and apparatus for sharing instruction memory among a plurality of processors A multiprocessing apparatus includes a memory and a plurality (M) of processors coupled to share the memory. Access to the memory is time-division multiplexed among the plurality of processors. In one embodiment, a selected processor retrieves M words of instruction... | 03/03/2009 |
| 7486787 | Subscriber line interface circuitry with common base audio isolation stage Methods and apparatus for coupling outgoing analog audio signals to a subscriber line are described. One method includes the step of receiving the outgoing audio signal. The outgoing audio signal is coupled to the subscriber line through a plurality of transistors c... | 02/03/2009 |
| 7450712 | Low voltage sensing and control of battery referenced transistors in subscriber loop applications A method includes the step of providing subscriber loop pull-down circuitry operating in a first voltage domain. The subscriber loop pull-down circuitry decreases at least one of a tip and a ring line current in response to a corresponding pull-down control signal. ... | 11/11/2008 |
| 7412166 | Pilot tones for optical signal wavelength identification and power measurement A method of optical communication includes providing a plurality of optical signals each associated with a distinct channel of a composite optical signal. A unique pilot tone signature is superimposed on each channel. The spectral composition of each signature inclu... | 08/12/2008 |
| 7412125 | Optical dispersion compensation A method of providing dispersion compensation includes providing a dispersion signal indicative of an amount of dispersion for at least one channel of a multi-channel optical signal. A dispersion compensator is controlled in accordance with the dispersion signal to ... | 08/12/2008 |
| 7400719 | Subscriber line interface circuitry transceiver A subscriber line interface circuit apparatus includes a first driver for driving a downstream data signal in a non-voiceband range and a metering signal onto a subscriber line. The apparatus includes a second driver for driving a downstream voice signal in a voiceb... | 07/15/2008 |
| 7397914 | Multiple path hybrid for subscriber line services A hybrid with a plurality of selectable hybrid input paths each having an associated hybrid input path filter is provided. The hybrid includes a plurality of selectable receive paths each having an associated receive path filter. The hybrid further includes a hybrid... | 07/08/2008 |
| 7376350 | Methods and apparatus for optical network management using pilot tones Methods and apparatus for managing an optical network using pilot tones are provided. One method includes selecting an optical path having a plurality of nodes from a database defining an expected optical network. A detected list of pilot tones associated with each ... | 05/20/2008 |
| 7362856 | Subscriber line interface circuitry transceiver A subscriber line transceiver apparatus includes an integrated circuit coupling at least one of an upstream and a downstream voice path for carrying voice signals to a subscriber line. The integrated circuit couples at least one of an upstream and a downstream data ... | 04/22/2008 |
| 7362855 | Subscriber line interface circuitry transceiver A subscriber line interface circuit apparatus includes driver circuitry for combining and driving a downstream voice signal and a downstream data signal onto a subscriber line. Receiver circuitry receives and separates an upstream signal from the subscriber line int... | 04/22/2008 |
| 7362857 | Subscriber line interface circuitry transceiver A subscriber line interface circuit apparatus includes a first driver for driving a downstream data signal in a non-voiceband range onto a subscriber line and a second driver for driving a downstream voice signal in a voiceband range onto the subscriber line. The ap... | 04/22/2008 |
| 7283075 | Delta-sigma modulator with selectable noise transfer function Delta-sigma modulators with a selectable noise transfer function are described. In various embodiments, the noise transfer function is varied in accordance with a bandwidth, a communication protocol, or an oversampling ratio of a selected communication channel. ... | 10/16/2007 |
| 7269254 | Integrated driver circuitry A linear amplifier architecture includes first, second, and third stages. The first stage is a transconductance stage. The third stage is a current amplification stage. The second stage is an interfacing stage between the first and third stages. The interfacing stag... | 09/11/2007 |
| 7254177 | Architecture for a digital subscriber line analog front end An analog front end for communicating discrete multitone modulated signals on a subscriber line includes a transmit block, a receive block, and a hybrid packaged within a same integrated circuit. Upstream data to be transmitted to the subscriber line is pre-processe... | 08/07/2007 |
| 7239697 | Supply power transition control A variable power supply is controlled to supply power at approximately a first supply level for an electronic device. The variable power supply is controlled to control a transition of the power from approximately the first supply level toward a second supply level ... | 07/03/2007 |
| 7218729 | Subscriber line interface circuitry with current drivers for downstream voice and data signals A subscriber line interface circuit apparatus includes an impedance bridge coupled to a subscriber line. A first pair of current drivers is coupled to the impedance bridge for driving a voice signal in a first frequency range onto the subscriber line. A second pair ... | 05/15/2007 |
| 7190785 | Subscriber line interface circuitry Subscriber line interface circuitry includes an integrated circuit having sense inputs for a sensed tip signal and a sensed ring signal of a subscriber loop. The integrated circuit generates a subscriber loop linefeed driver control signal in response to the sensed ... | 03/13/2007 |
| 7181003 | Direct drive for a subscriber line differential ringing signal A method of generating a subscriber line ringing signal includes the step of applying a time-varying waveform W(t) to the tip line while maintaining the ring line at a pre-determined supply level for a duration T/2. The time-varying waveform is subsequently applied ... | 02/20/2007 |
| 7181004 | Direct drive for a subscriber line differential ringing signal having a DC offset A method of generating a subscriber line differential ringing signal with a DC component includes providing a time-varying supply level, W(t), having a plurality of non-equidistantly spaced critical points along a folding line. W(t) is coupled to the tip line while ... | 02/20/2007 |
| 7180999 | Subscriber line interface circuitry Subscriber line interface circuitry includes an integrated circuit having sense inputs for a sensed tip signal and a sensed ring signal of a subscriber loop. The integrated circuit generates a subscriber loop linefeed driver control signal in response to the sensed ... | 02/20/2007 |
| 7164763 | Power offloading for a subscriber line interface circuit A power offload network has a node for receiving at least one supply V1. The power offload network includes at least one switch and a power offload element providing a supply drop of VR. The switch is configurable for selecting a linefeed supply level from th... | 01/16/2007 |
| 7158633 | Method and apparatus for monitoring subscriber loop interface circuitry power dissipation Subscriber line interface circuitry includes an integrated circuit having sense inputs for a sensed tip signal and a sensed ring signal of a subscriber loop. The integrated circuit generates a subscriber loop linefeed driver control signal in response to the sensed ... | 01/02/2007 |
| 7155008 | Power offloading for a subscriber line interface circuit A power offload network has a first node for receiving a first supply V1 and a second node for receiving a second supply V2. The power offload network includes a plurality of switches and a power offload element providing a supply drop of VR. The switc... | 12/26/2006 |
| 7123832 | Methods and apparatus for optical network management using pilot tones Methods and apparatus for managing an optical network using pilot tones are provided. One method includes generating a list of pilot tones contributed by a selected node to each of its target nodes. Network pilot tone sources are re-configured so that a pilot tone s... | 10/17/2006 |
| 7116778 | Adaptive linefeed control for varying load on a subscriber loop A linefeed on a subscriber loop is generated to generate a current on the subscriber loop. Whether a relationship between a voltage on the subscriber loop and a threshold voltage for an identified range of voltages satisfies a condition is identified. The linefeed o... | 10/03/2006 |
| 7110682 | Method and apparatus for maintaining a pre-determined ratio of a pilot tone power and a mean optical output power of an optical signal Methods and apparatus for maintaining a pre-determined ratio of a pilot tone power and a total mean optical power of an optical signal are provided. One apparatus includes an optical source coupled to provide an optical signal in response to a DC bias and an AC bias... | 09/19/2006 |
| 7016607 | Methods and apparatus for optical network management using pilot tones Methods and apparatus for managing static and dynamic optical network configurations to enable mapping an actual optical network or validating an expected optical network are provided. In one embodiment a validation method includes the step of selecting an optical p... | 03/21/2006 |
| 6944697 | Serial device daisy chaining method and apparatus A method includes the step of serially clocking a mask value through a plurality of subscriber line interface circuits (SLICs) until each SLIC stores a corresponding portion of the mask value, and serially communicating a command to the plurality of SLICs. Each SLIC... | 09/13/2005 |
| 6944213 | Adaptive hybrid for a digital subscriber line analog front end An analog front end for communicating discrete multitone modulated signals on a subscriber line includes a hybrid network for eliminating near-end echos. The hybrid network includes a hybrid input, a receive input, and a hybrid output. The receive input is capacitiv... | 09/13/2005 |
| 6934384 | Subscriber line interface circuitry A subscriber line interface circuit apparatus includes a signal processor having sense inputs for sensed tip and ring signals of a subscriber loop. The signal processor generates linefeed driver control signals in response to the sensed signals. The signal processor... | 08/23/2005 |
