Integrated Device Tech Patent Grants

Apparatuses and methods for optimizing rate-distortion of syntax elements

Granted: March 12, 2019
Patent Number: 10230956
Methods and apparatuses for optimizing rate-distortion of syntax elements are disclosed herein. An optimization block may be used in a video encoder and may include a candidate generation block and a best cost block. The optimization block may be configured to generate a plurality of candidates corresponding to respective differential levels. Each of the plurality of candidates may be based, at least in part, on a DC coefficient and provide a respective rate-distortion cost. The best…

Method and apparatus for flexible coherent and scale-out computing architecture

Granted: March 12, 2019
Patent Number: 10230476
A Method and Apparatus for Flexible Coherent and Scale-out Computing Architecture have been disclosed. In one implementation a plurality of integrated photonics are used to effect communications.

Fast-response hybrid lock detector

Granted: February 19, 2019
Patent Number: 10211843
An apparatus comprising an analog circuit and a digital circuit. The analog circuit may be configured to (i) receive pulses generated in response to a comparison of a feedback signal and a reference signal, (ii) filter the pulses when a frequency of the feedback signal is close to a frequency of the reference signal and (iii) generate an enable signal in response to the filtered pulses. The digital circuit may be configured to generate an output signal representing a lock status between…

Wireless power transmitter having low noise and high efficiency, and related methods

Granted: February 19, 2019
Patent Number: 10211720
A wireless power transmitter comprises a bridge inverter including a first switch and a second switch coupled together with a first switching node therebetween, and a first capacitor coupled to the first switching node. The transmitter further includes control logic configured to control the first switch and the second switch according to an operating frequency to generate an AC power signal from a DC power signal, and a resonant tank operably coupled to the first switching node of the…

Auto-phase-shifting and dynamic on time control current balancing multi-phase constant on time buck converter

Granted: February 5, 2019
Patent Number: 10200050
An apparatus including a first circuit and a second circuit. The first circuit may generate an output signal with a regulated voltage and maintain a constant switch frequency having a first on time and a first off time. The second circuit may generate a shifted signal based on a phase delay with respect to the output signal and maintain a shifted frequency having a second on time and a second off time. The second on time may follow the first on time by the phase delay. The second on time…

High efficiency wireless power system

Granted: February 5, 2019
Patent Number: 10199865
In accordance with some embodiments, a transmitter for wireless transfer includes a rectifier that receives an AC voltage and provides a DC voltage; a capacitor that receives and smooths the DC voltage; a regulator that receives the DC voltage and outputs an input voltage; and a wireless transmitter that receives the input voltage and transmits wireless power.

System and method for wireless power transfer using over-voltage protection

Granted: February 5, 2019
Patent Number: 10199818
A system and method of over-voltage protection includes a switch coupled between a power source and a load, a detection circuit configured to detect an onset of an over-voltage event at the load; and a driver circuit coupled to the switch and the detection circuit. The driver circuit includes a boost sub-circuit that provides a low-resistance path for opening the switch in a boost mode, the boost mode being triggered by the onset of the over-voltage event and having a predetermined…

Command sequence response in a memory data buffer

Granted: February 5, 2019
Patent Number: 10198200
A method for responding to a command sequence includes receiving the command sequence associated with a targeted access to a memory system, detecting a non-consecutive clock associated with a start of the command sequence, and generating a control signal in an active state to indicate detection of the non-consecutive clock associated with the start of the command sequence.

Asymmetric on-state resistance driver optimized for multi-drop DDR4

Granted: January 1, 2019
Patent Number: 10171268
An apparatus comprises a plurality of driver circuits and a control registers block. The plurality of driver circuits may be configured to drive a read line in response to a memory signal and a reference voltage. The control registers block generally configures the plurality of driver circuits to implement an asymmetric voltage swing of the read line about a voltage level that is half of the reference voltage.

Method and apparatus for operating of a PCIe retimer over optical cable

Granted: December 4, 2018
Patent Number: 10146722
Operation of a PCIe Retimer over an Optical Cable has been disclosed. In one implementation a Optical Idle ordered set (OIOS) is introduced as well as a high Z ordered set (HZOS).

Methods and apparatuses for a unified compression framework of baseband signals

Granted: November 20, 2018
Patent Number: 10135955
A method and apparatus provides a parameter estimation processor configured to estimate parameters used to compress data for transmission over a serial data link. The parameter estimation processor includes a processor. The processor includes user programmable inputs. The user programmable inputs set an input data packet length, a target compression ratio, and a resampling factor and allow filter parameters to be set. Input data information is received from an input data buffer of a data…

Fast-response reference-less frequency detector

Granted: November 20, 2018
Patent Number: 10135431
An apparatus comprising a first circuit and a second circuit. The first circuit may be configured to generate an intermediate signal in response to an input clock signal operating at a frequency. The first circuit may modify the input clock signal according to a threshold frequency to generate a waveform for the intermediate signal. The waveform of the intermediate signal may have at least one of (i) pulses and (ii) a steady state. The second circuit may be configured to generate a…

Apparatuses and related methods for detecting magnetic flux field characteristics with a wireless power transmitter

Granted: November 20, 2018
Patent Number: 10132650
A wireless power transmitter may include a transmit coil configured to generate a wireless power signal for wireless power transfer, at least one secondary sensing coil configured to generate a signal responsive to a magnetic flux field generated during the wireless power transfer, and control logic configured to detect at least one condition of a wireless power transfer system responsive to detecting distortion in the magnetic flux field from the at least one signal received from the…

Process compensated delay

Granted: October 23, 2018
Patent Number: 10110209
A Process Compensated Delay has been disclosed. In one implementation delay is primarily based on electron mobility.

Memory channel selection control

Granted: October 23, 2018
Patent Number: 10108567
An apparatus comprising a first circuit, a second circuit and a channel decoder. The first circuit may comprise (i) a controller port and (ii) a plurality of memory ports. The second circuit may comprise (i) input port and (ii) a plurality of output ports. The channel decoder may be configured to decode a selection signal. The channel decoder may be configured to select (i) one of the plurality of memory ports and (ii) one of the plurality of output ports in response to the decoded…

Constant impedance switch

Granted: October 16, 2018
Patent Number: 10103711
A constant impedance switch dynamically manages switch impedance to eliminate or substantially reduce impedance glitches during switching events by stepping variable impedances through sequences of impedance values. As a result, VSWR may be reduced to or near 1:1, allowing programming and circuitry to be simplified. Switch impedance may be maintained for single and multi-throw switches having variable impedances of any order. Each variable impedance may comprise one or more configurable…

Phase, amplitude and gate-bias optimizer for Doherty amplifier

Granted: October 16, 2018
Patent Number: 10103690
Systems, methods and instrumentalities are disclosed for Doherty amplifier optimization. Amplifier configurability and control therefore may be integrated. Amplitude alignment, phase alignment, amplifier gate biasing, driver gate biasing and temperature compensation for N paths in Doherty configurations may be integrated, for example, using a programmable LUT storing control bit patterns. Configurability may comprise reconfigurability between asymmetric power split ratios, between…

Frequency synthesizer with tunable accuracy

Granted: September 25, 2018
Patent Number: 10084457
An apparatus includes a first circuit, a second circuit and a third circuit. The first circuit may be configured to generate a first code by counting a number of cycles of an input clock signal in a period determined by (i) an output clock signal and (ii) a second code. The second code may be variable. The second circuit may be configured to generate a third code by a delta-sigma modulation of the first code. The third circuit may be configured to generate the output clock signal (i) in…

Open loop solution in data buffer and RCD

Granted: September 25, 2018
Patent Number: 10082823
An apparatus comprising an open loop circuit and a delay circuit. The open loop circuit may be configured to generate an in-phase clock signal by performing a phase alignment in response to (i) a clean version of a system clock and (ii) a delayed version of a strobe signal. The delay circuit may be configured to (i) generate the delayed version of the strobe signal in response to (a) the strobe signal received from a memory interface and (b) a delay amount received from a calibration…

Apparatuses and related methods for detecting magnetic flux field characteristics with a wireless power receiver

Granted: September 18, 2018
Patent Number: 10079508
A wireless power receiver may include a receive coil configured to generate an AC power signal, at least one secondary sensing coil configured to generate a measurement signal responsive to a magnetic flux field, and control logic configured to detect at least one condition of a wireless power transfer system responsive to detecting distortion in the magnetic flux field from the at least one measurement signal received from the secondary sensing coil. A related method may include…