Fast-response references-less frequency detector

    公开(公告)号:US10367494B2

    公开(公告)日:2019-07-30

    申请号:US16155023

    申请日:2018-10-09

    Abstract: An apparatus includes a first circuit and a second circuit. The first circuit may be configured to generate a waveform in response to a frequency of an input clock signal and a threshold frequency. The second circuit may be configured to generate a control signal in response to a type of the waveform. The type of the waveform may comprise at least one of pulses and a steady state. The control signal may have a first state when the type of the waveform is the pulses and a second state when the type of the waveform is the steady state. A width of the pulses may be based on the threshold frequency.

    WIRELESSLY SYNCHRONIZED CLOCK NETWORKS
    34.
    发明申请

    公开(公告)号:US20190223128A1

    公开(公告)日:2019-07-18

    申请号:US16363116

    申请日:2019-03-25

    CPC classification number: H04W56/0015 H04L7/0008 H04L7/04

    Abstract: A system includes a first device comprising a first clock generating circuit and a transmitter circuit, and a plurality of second devices, each comprising a respective receiver circuit and a respective second clock generating circuit. The first clock generating circuit may be configured to generate a first clock signal, which may provide internal clocking for the first device. The transmitter circuit may be configured to generate a synchronization signal in response to the first clock signal and wirelessly transmit a broadcast signal communicating only the synchronization signal. The respective receiver circuit may be configured to receive the broadcast signal and present a recovered synchronization signal to the respective second clock generating circuit. The respective second clock generating circuit may be configured to generate a respective intermediate clock signal, synchronize the respective intermediate clock signal with the recovered synchronization signal, and generate a respective second clock signal that provides internal clocking for the second device.

    Hitless re-arrangements in coupled digital phase-locked loops

    公开(公告)号:US10355699B2

    公开(公告)日:2019-07-16

    申请号:US15833117

    申请日:2017-12-06

    Inventor: Menno Spijker

    Abstract: An apparatus comprising an accumulator circuit and an offset register. The accumulator circuit may be configured to (a) receive a plurality of frequency offset values from a plurality of sourcing DPLLs and (b) generate a current combined offset value in response to a sum of the frequency offset values. The offset register may be configured to (a) store an offset value corresponding to the current combined offset value in a first mode and (b) store an offset value corresponding to an updated offset value in a second mode. The updated offset value may comprise a difference between the offset value stored in the offset register and the current combined offset value. The offset value may be presented to a receiving DPLL during a re-arrangement of the sourcing DPLLs. Presenting the offset value may reduce a phase transient caused by the re-arrangement.

    COLOR SENSOR AND METHOD OF ITS PRODUCTION
    37.
    发明申请

    公开(公告)号:US20190170584A1

    公开(公告)日:2019-06-06

    申请号:US16312985

    申请日:2017-07-04

    Abstract: Embodiments of the invention relate to a method for producing a color sensor with a sensor characteristic adjusted by three sensor elements that each comprise an element characteristic, and a color filter cooperating with the sensor elements and consisting of color filter elements that each comprise a filter element characteristic, and to a color sensor. Embodiments include a method with which a color sensor with a precisely adjustable sensor characteristic can be produced from several photosensitive elements and from simple filter elements is solved in that the particular filter element characteristics are adjusted in such a manner that they have in cooperation with the respective element characteristic an interim characteristic of the sensor which deviates from the sensor characteristic on the whole, wherein the sensor characteristic is generated from the interim characteristic by a transformation algorithm using transformation parameters.

    Methods and apparatuses for edge preserving and/or edge enhancing spatial filter

    公开(公告)号:US10313565B2

    公开(公告)日:2019-06-04

    申请号:US14316329

    申请日:2014-06-26

    Abstract: A technique to perform edge-aware spatial noise filtering that may filter random noise from frames while maintaining the edges in the frames. The technique may include receiving a frame comprising a pint ht of pixels, filtering a subset of the plurality of pixels based on a weighting factor associated with each pixel of the subset of pixels, wherein the weighting factor is at least in part based on a difference in pixel value between the pixel and the individual pixels in the subset, and providing the filtered pixel to an encoder for encoding. Example implementation may include a spatial noise filter to receive an image, the noise level, and configuration parameters, and configured to determine weighting factors of pixels of the image based on differences in pixel values and a set of configuration parameters, and further configured to filter noise from the image based on the weighting factors of the pixels.

    HIGH POWER SILICON ON INSULATOR SWITCH
    39.
    发明申请

    公开(公告)号:US20190158066A1

    公开(公告)日:2019-05-23

    申请号:US16196165

    申请日:2018-11-20

    Abstract: An apparatus comprises a first RF port, a second RF port, a first resonator circuit and at least one second resonator circuit. The first resonator circuit and the second resonator circuit may be connected between the first RF port and the second RF port. The first resonator circuit may comprise a first inductor, a first capacitor, and a first stacked switch device. The second resonator circuit may comprise a second inductor, a second capacitor, and a second stacked switch device. The first capacitor and the first stacked switch device may be coupled in series across the first inductor. The second capacitor, the second inductor, and the second stacked switch device may be connected in parallel.

    REDUCED TRANSISTOR BRIDGE ATTENUATOR
    40.
    发明申请

    公开(公告)号:US20190131956A1

    公开(公告)日:2019-05-02

    申请号:US16167813

    申请日:2018-10-23

    Inventor: Shawn Bawell

    Abstract: An apparatus includes a bypass circuit a resistor circuit and multiple staggered circuits. The bypass circuit may have a predetermined number of a plurality of transistors connected in series between an input node and an output node. The resistor circuit may have a given number of resistors connected in series between the input node and the output node. Adjoining pairs of the resistors may be connected at given nodes. The staggered circuits may be connected between the given nodes and either the input node or the output node. Each staggered circuit may have a respective number of the transistors connected in series. The bypass circuit, the resistor circuit and the staggered circuits may form part of a bridge attenuator.

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