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Level Shift patents



      

This page is updated frequently with new Level Shift-related patent applications.




Date/App# patent app List of recent Level Shift-related patents
04/07/16
20160100116 
 Amplifier sharing technique for low power charge mode readout in cmos image sensors patent thumbnailAmplifier sharing technique for low power charge mode readout in cmos image sensors
Presented herein are novel shared amplifier charge mode readout architectures for image sensors, for example, configured to process a pair of signals comprising photointegration and reset signals from a pixel. The invention encompasses a novel 2-channel configuration wherein a single amplifier can serve the two channels in alternating phases.
Forza Silicon Corporation


04/07/16
20160099715 
 Level shift circuit and semiconductor device patent thumbnailLevel shift circuit and semiconductor device
A level shift circuit includes: a latch circuit (q5, q6, q7, q8) including first (q5, q7) and second (q6, q8) inverter circuits; a first input mos transistor (q1) operating in accordance with an input signal; a second input mos transistor (q2) operating in accordance with an inversion signal of the input signal; and a current-voltage control mos transistor (q9). The latch circuit (q5, q6, q7, q8) outputs a voltage having been converted from the input voltage in level.
Renesas Electronics Corporation


04/07/16
20160099269 
 Fully differential output swing for analog array based charge mode readout used in a cmos image sensor patent thumbnailFully differential output swing for analog array based charge mode readout used in a cmos image sensor
Disclosed herein are novel charge mode readout circuits and associated methods of signal processing. The devices and methods of the invention allow for the improved processing of stored signals by a charge mode readout amplifier, wherein the readout level may be shifted to a desired range and wherein a fully differential output swing may be imparted.
Forza Silicon Corporation


03/31/16
20160094985 
 Circuits and systems to exchange subscriber identity module (sim) information over a distance patent thumbnailCircuits and systems to exchange subscriber identity module (sim) information over a distance
A circuitry and a wireless communication system for carrying sim card data over a distance. The wireless communication system comprises a first network node and a second network node.
Pismo Labs Technology Limited


03/31/16
20160094208 
 Dynamic level shifter circuit patent thumbnailDynamic level shifter circuit
A level shifter does not require any dc (standby) current consumption and has a fast operation with low propagation delay. The level shifting from input to output voltage ranges is performed by a pair of level shifting capacitors.
Dialog Semiconductor Gmbh


03/31/16
20160094207 
 Voltage generator with charge pump and related methods and apparatus patent thumbnailVoltage generator with charge pump and related methods and apparatus
Aspects of this disclosure relate to voltage generators, such as negative voltage generators. In an embodiment, an apparatus includes a voltage generator, a level shifter, and a semiconductor-on-insulator radio frequency (rf) switch configured to receive a signal from the level shifter.
Skyworks Solutions, Inc.


03/31/16
20160093346 
 Voltage level shifted self-clocked write assistance patent thumbnailVoltage level shifted self-clocked write assistance
Systems and methods for generating voltage level shifted self-clocked write assistance include a circuit with self-clocked true and complement data input signals in a first voltage domain. First and second full voltage level shifters are configured to generate voltage level shifted self-clocked intermediate true and complement signals in a second voltage domain, based on the self-clocked true and complement data input signals in the first voltage domain.
Qualcomm Incorporated


03/24/16
20160087632 
 Current amplifier and transmitter using the same patent thumbnailCurrent amplifier and transmitter using the same
A current amplifier and a transmitter using the same. The current amplifier has a first and second transistor and a voltage level shifting unit.
Mediatek Inc.


03/24/16
20160087613 
 Fast voltage level shifter circuit patent thumbnailFast voltage level shifter circuit
A voltage level shifting circuit with an input terminal and an output terminal. The level shifting circuit has a field-effect transistor (fet) switch with a gate attached to the input terminal, a drain attached to the output terminal and a source attached to a current changing mechanism.
Solaredge Technologies Ltd.


03/17/16
20160079979 
 Pulsed level shift and inverter circuits for gan devices patent thumbnailPulsed level shift and inverter circuits for gan devices
Gan-based half bridge power conversion circuits employ control, support and logic functions that are monolithically integrated on the same devices as the power transistors. In some embodiments a low side gan device communicates through one or more level shift circuits with a high side gan device.
Navitas Semiconductor Inc.


03/17/16
20160079978 

Level shift and inverter circuits for gan devices


Gan-based half bridge power conversion circuits employ control, support and logic functions that are monolithically integrated on the same devices as the power transistors. In some embodiments a low side gan device communicates through one or more level shift circuits with a high side gan device.
Navitas Semiconductor Inc.


03/17/16
20160079975 

Half bridge driver circuits


Gan-based half bridge power conversion circuits employ control, support and logic functions that are monolithically integrated on the same devices as the power transistors. In some embodiments, a low side gan device communicates through one or more level shift circuits with a high side gan device.
Navitas Semiconductor Inc.


03/17/16
20160079964 

Integrated level shifter


Gan-based half bridge power conversion circuits employ control, support and logic functions that are monolithically integrated on the same devices as the power transistors. In some embodiments a low side gan device communicates through one or more level shift circuits with a high side gan device.
Navitas Semiconductor, Inc.


03/17/16
20160079853 

Integrated bias supply, reference and bias current circuits for gan devices


Gan-based half bridge power conversion circuits employ control, support and logic functions that are monolithically integrated on the same devices as the power transistors. In some embodiments a low side gan device communicates through one or more level shift circuits with a high side gan device.
Navitas Semiconductor Inc.


03/17/16
20160079844 

Half bridge power conversion circuits using gan devices


Gan-based half bridge power conversion circuits employ control, support and logic functions that are monolithically integrated on the same devices as the power transistors. In some embodiments a low side gan device communicates through one or more level shift circuits with a high side gan device.
Navitas Semiconductor Inc.


03/17/16
20160079785 

Bootstrap capacitor charging circuit for gan devices


Gan-based half bridge power conversion circuits employ control, support and logic functions that are monolithically integrated on the same devices as the power transistors. In some embodiments a low side gan device communicates through one or more level shift circuits with a high side gan device.
Navitas Semiconductor Inc.


03/17/16
20160079746 

Protection monitoring circuit, battery pack, secondary battery monitoring circuit, and protection circuit


A protection monitoring circuit includes a protection circuit which detects overcharge, overdischarge, and overcurrent of a secondary battery, and a secondary battery monitoring circuit which monitors a state of the secondary battery and detects a residual quantity of the secondary battery. The protection circuit includes a first communication terminal that is connected to the secondary battery monitoring circuit, a second communication terminal that is connected to a mobile device, and a level shift circuit that is connected to the first and second communication terminals.
Mitsumi Electric Co., Ltd.


03/17/16
20160079231 

Semiconductor integrated circuit device


A semiconductor integrated circuit device comprises i/o cells arranged around a core region. Each of the i/o cells comprises a level shifter circuit, an i/o logic circuit, and an i/o buffer circuit.
Renesas Electronics Corporation


03/10/16
20160072460 

Differential amplifier


An differential amplifier is disclosed. The differential amplifier includes: a pair of input terminals externally receiving an input signal; a first differential pair including a first transistor, a second transistor, a first resistor, and a second resistor and configured to generate a first signal; a second differential pair including a third transistor, a fourth transistor, a third resistor, and a fourth resistor and configured to generate a second signal; a current source connected to the first, second, third, and fourth resistors and configured to provide a current to the first and second differential pairs; a pair of level shifters configured to generate a shifted signal from the input signal; and a pair of output terminals externally outputting an output signal containing the first and second signals, wherein the first and second transistors receive the input signal and the third and fourth transistors receive the shifted signal..
Sumitomo Electric Industries, Ltd.


03/10/16
20160071574 

Method and circuits for low latency initialization of static random access memory


A method and various circuit embodiments for low latency initialization of an sram are disclosed. In one embodiment, an ic includes an sram coupled to at least one functional circuit block.
Apple Inc.


03/03/16
20160065205 

Gate driving circuit of high-side transistor, switching output circuit, inverter device, and electronic device


A gate driving circuit for turning on a high-side transistor when an input set pulse is asserted and turning off the high-side transistor when an input reset pulse is asserted is provided. The gate driving circuit includes first and second inverters to receive the intermediate set pulse from a level shift circuit to generate first and second set pulses; third and fourth inverters to receive the intermediate reset pulse from the level shift circuit to generate first and second reset pulses; a logic circuit to mask the first set pulse and the first reset pulse by using the second reset pulse and the second set pulse to generate an output set pulse and an output reset pulse, respectively; a flip-flop configured to receive the output set pulse and the output reset pulse to output a driving pulse; and a driver to drive the high-side transistor according to the driving pulse..
Rohm Co., Ltd.


03/03/16
20160065061 

Synchronous sensing of inductor current in a buck converter control circuit


A sense resistor is placed in series with an output capacitor of a buck converter. The buck converter operates in a discontinuous mode such that there is a dead time in each switching cycle.
Ixys Corporation


02/25/16
20160056837 

System, circuit and converting a differential voltage signal including a high common mode voltage component to a ground referenced signal


A system, circuit and method for converting a differential voltage signal including a high common mode voltage component to a ground referenced signal are disclosed. For example, a circuit for converting a differential voltage signal including a high common mode voltage component to a ground referenced signal is disclosed, which includes a comparator configured to receive a differential voltage signal including a high common mode voltage component and output a digital signal associated with the differential voltage signal, a level shifter configured to receive the digital signal and shift the level of the digital signal to a low level, an integrator configured to receive the digital low level signal and output a ramping voltage associated with the low level signal, and an analog-to-digital converter configured to receive the ramping voltage and output a digital bit-stream associated with the ramping voltage..
Intersil Americas Llc


02/25/16
20160056818 

Semiconductor device, power control device and electronic system


In order to reduce the cost and the like of a power control device including a semiconductor device such as a driver ic, as well as an electronic system, the driver ic includes a high side driver, a level shift circuit, first and second transistors, and a comparator circuit. The first transistor is formed in a termination area.
Renesas Electronics Corporation


02/25/16
20160056802 

Level shifter


A level shifter for high-speed level shifting includes a first p-channel transistor, comprising a gate coupled to a drain, and a source coupled to a system voltage; a second p-channel transistor, comprising a gate coupled to the gate of the first p-channel transistor, and a source coupled to the system voltage; a first n-channel transistor, comprising a drain coupled to the drain of the first p-channel transistor, and a source coupled to a ground level; and a second n-channel transistor, comprising a drain coupled to a drain of the second p-channel transistor, and a source coupled to the ground level; wherein the first n-channel transistor and the second n-channel transistor are low-threshold-voltage transistors or native transistors.. .
Novatek Microelectronics Corp.


02/25/16
20160054368 

Level shift circuit with short-circuit detection mechanism and short-circuit detection method thereof


A level shift circuit includes a level shift module and a voltage comparing module. The level shift module includes a plurality of stages of level shift units, each including a front-end circuit and an inverter circuit.
Au Optronics Corp.


02/25/16
20160054152 

Diagnostic device


A diagnostic device capable of accurately diagnosing the soundness of a resolver circuit is provided. A shifter receives excitation signal and excitation signal; shifts the level of excitation signal, excitation signal, or both; and performs level shifting such that a period of time that starts with one of two times in which, in the vicinity of the peak value of excitation signal, excitation signal and excitation signal are at the same value and ends with the other of the two times is less than a prescribed threshold.
Hitachi Automotive Systems, Ltd.


02/18/16
20160049132 

Level shift circuit and drive circuit of display device


A display driver includes an input node for receiving display data, a level shift circuit configured to convert voltage level of the display data and output a first voltage and a second voltage based on the display data, an output node for outputting the output display data, a first p-channel mos transistor coupled to the output node, whose gate is configured to input the first voltage, and a first n-channel mos transistor coupled to the output node, whose gate is configured to input the second voltage, wherein a voltage difference between the second voltage and the first voltage varies based on the display data.. .
Renesas Electronics Corporation


02/11/16
20160043714 

Semiconductor device


The present invention is provided to easily manufacture an ipd as any of a high-side switch and a low-side switch. A level shifting circuit is coupled to an input terminal, a first terminal, and a grounding terminal.
Renesas Electronics Corporation


02/11/16
20160043710 

Apparatus and methods for controlling radio frequency switches


Apparatus and methods for controlling radio frequency (rf) switches are disclosed. Provided herein are apparatus and methods for controlling rf switches.
Skyworks Solutions, Inc.


02/11/16
20160042794 

Level shifter and decoder for memory


A level shifter receiving an input with a relatively narrow voltage range and provides an output with a relatively wide voltage range. The level shifter including a transistor with a turn-on voltage.
Macronix International Co., Ltd.


02/11/16
20160042684 

Display device, scan driver, and manufacturing the same


Provided are a display device, a scan driver, and a method of manufacturing the same. A scan driver includes: a level shifter configured to output a power and a signal, and a scan signal generating circuit configured to generate a scan signal based on the power and the signal supplied from the level shifter, the scan signal generating circuit including a buffer configured to transmit a clock signal to a stage of a shift register, the buffer including two inverters, one of the two inverters being included in a multi-buffer..
Ewha University - Industry Collaboration Foundation


02/11/16
20160040977 

Methods of reducing motion artifacts for optical coherence tomography angiography


A method for reducing motion artifacts in optical coherence tomography (oct) angiography images is disclosed. The method is applied to the intensity or complex oct data prior to applying the motion contrast analysis and involves determining sub-pixel level shifts between at least two b-scans repeated approximately at the same location and applying the sub-pixel level shifts to the b-scans to be able to correct for motion and accurately determine motion contrast signal.
University Of Washington Through Its Center For Communication


02/04/16
20160036443 

Fast low power level shifters


In one embodiment, a method for increasing speed of a differential input pair, the method comprises applying a first boost current to a first input of the differential input pair during a transition of a first signal applied to the first input; storing the first boost current; ending the application of the first boost current in response to the stored first boost current exceeding a first threshold; applying a second boost current to a second input of the differential input pair during a transition of a second signal applied to the second input; storing the second boost current; and ending the application of the second boost current in response to the stored second boost current exceeding a second threshold.. .
Qualcomm Incorporated


02/04/16
20160036442 

Level shifting apparatus and using the same


A level shifting apparatus includes a first capacitor, a first side of the first capacitor configured to receive a first voltage. The level shifting apparatus further includes an edge detector configured to receive the first voltage.
Taiwan Semiconductor Manufacturing Company, Ltd.


02/04/16
20160036441 

Output signal generation circuitry for converting an input signal from a source voltage domain into an output signal for a destination voltage domain


Output signal generation circuitry 100 may be used for converting an input signal 110 from a source voltage domain to an output signal for a destination voltage domain, the destination voltage domain operating from a supply voltage that exceeds a stressing threshold of components within the output signal generation circuitry. The output signal generation circuitry may comprise level shifting circuitry 160 operating from the supply voltage, which is configured to generate at an output node 130 the output signal for the destination voltage domain in dependence on the input signal.
Arm Limited


02/04/16
20160036315 

Drive circuit and semiconductor device


Malfunction can be reliably avoided even when a signal that drives a high side power device is not normally transmitted in a level shift circuit. In a drive circuit, a pulse generator circuit generates a set signal and reset signal that causes a high side power device to be turned on or off.
Fuji Electric Co., Ltd.


02/04/16
20160035309 

Driver circuit incorporating level shift circuit


A level shift circuit includes first and second nmos transistors that are coupled between a first supply terminal, and first and second output nodes, respectively, and have respective control terminals receiving input signals of a low amplitude, third and fourth pmos transistors which are coupled between a second supply terminal, and the first and second output nodes outputting signals of high amplitude, respectively, a fifth pmos transistor which is coupled between a gate of the third pmos transistor and the second output node, and has a gate coupled to the first output node, a sixth pmos transistor which is coupled between a gate of the fourth pmos transistor and the first output node, and has a gate coupled to the second output node, and first and second load elements which are coupled between the second supply terminal and the gates of the third and fourth pmos transistors, respectively.. .
Renesas Electronics Corporation


02/04/16
20160035300 

Level shift circuit, gate driving circuit and display apparatus


Provided are a level shift circuit, a gate driving circuit and a display apparatus. The level shift circuit comprises a third transistor (m3), a fourth transistor (m4), a fifth transistor (m5), a sixth transistor (m6) and a seventh transistor (m0), the sources of the which transistors are connected to a dc power source (vdd) respectively, and the gates of which transistors are connected to an offset voltage terminal (vbias) respectively, wherein the drains of the third transistor (m3) and the fifth transistor (m5) are connected as a first output terminal (out1), the drains of the fourth transistor (m4) and the sixth transistor (m6) are connected as a second output terminal (out2); and a first transistor (m1) and a second transistor (m2), the gates of which transistors are both connected to an input signal terminal (vin), the sources of which transistors are both connected to the drain of the seventh transistor (m0), wherein the drain of the first transistor (m1) is connected to the first output terminal (out1), the drain of the second transistor (m2) is connected to the second output terminal (out2); a seventh transistor (m0), the source of the seventh transistor (m0) is connected to a reference ground (vss), and the gate of the seventh transistor (m0) is connected to the offset voltage terminal (bbias).
Beijing Boe Display Technology Co., Ltd.


02/04/16
20160035295 

Level shift circuit, electro-optical apparatus, and electronic equipment


To realize a level shift circuit with the small occupation area and capable of performing high-speed operation, a level shift circuit includes an electric potential converting unit that converts a first electric potential of an input signal to a third electric potential and converts a second electric potential of an input signal to a fourth electric potential. A capacitor includes first and second electrodes, the first electrode being electrically connected to the input unit, and the second electrode being electrically connected to an output node of the electric potential converting unit.
Seiko Epson Corporation


01/28/16
20160028500 

Communication device, reception power monitoring device, and communication device system


A communication device system includes a communication device (1) and a reception power monitoring device (2). The communication device (1) includes a reception processing unit (10) that outputs a signal intensity voltage (vin) in accordance with a signal level of a received signal, and a monitoring terminal signal generator circuit (30) that generates a monitoring terminal signal (vout) by current amplification of a level shift voltage generated by shifting a level of the signal intensity voltage (vin) by an offset voltage (voff) corresponding to a voltage value of a power supply voltage of an external device.
Nec Corporation


01/21/16
20160020685 

Semiconductor device and power converter equipment


A semiconductor device that has a level shift circuit, an anterior stage circuit, and a posterior stage circuit. The level shift circuit transmits an input signal from a primary potential system to a secondary potential system different from the primary potential system.
Fuji Electric Co., Ltd.


01/21/16
20160019898 

Time domain level adjustment for audio signal decoding or encoding


An audio signal decoder for providing a decoded audio signal representation on the basis of an encoded audio signal representation has a decoder preprocessing stage for obtaining a plurality of frequency band signals from the encoded audio signal representation, a clipping estimator, a level shifter, a frequency-to-time-domain converter, and a level shift compensator. The clipping estimator analyzes the encoded audio signal representation and/or side information relative to a gain of the frequency band signals in order to determine a current level shift factor.
Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.


01/21/16
20160019827 

In-cell touch display device


An in-cell touch display device. A panel has a plurality of data lines, a plurality of gate lines and a plurality of touch electrodes disposed thereon.
Lg Display Co., Ltd.


01/21/16
20160018916 

In-cell touch display device


An in-cell touch display device. A panel has a plurality of data lines, a plurality of gate lines and a plurality of touch electrodes disposed thereon.
Lg Display Co., Ltd.


01/14/16
20160013776 

Level shift driver circuit capable of reducing gate-induced drain leakage current


A level shift driver circuit comprises a level shift circuit and a driver circuit. The driver circuit comprises a first and a second p-type transistors and a first and a second n-type transistors coupled in series.
Ememory Technology Inc.


01/14/16
20160012790 

Level shift circuit, array substrate and display device


The present invention provides a level shift circuit, an array substrate and a display device. The level shift circuit comprising: a first level non-inverting input terminal, a first level inverting input terminal, a second level non-inverting input terminal, a second level inverting input terminal, a level state transferring unit and a second level driving unit; the level state transferring unit receives a first level input through the first level non-inverting input terminal and the first level inverting input terminal, and transfers a high and low state of the input first level to the second level driving unit; the second level driving unit outputs a second level of a corresponding state to the second level non-inverting input terminal and the second level inverting input terminal according to the input high and low state, wherein the first level is not equal to the second level..
Hefei Boe Optoelectronics Technology Co., Ltd.


01/07/16
20160004437 

Storage device and read methods thereof


A read method of a storage device includes performing a first read operation on a nonvolatile memory device based on a time stamp table storing a program time and a time-read level look-up table indicating a read level shift due to a program lapsed time. A determination is made whether to adjust the time-read level look-up table based on a result of the first read operation.

12/31/15
20150381180 

Interface circuit


An interface circuit receives an input signal in having a first voltage amplitude from a first circuit, and outputs an output signal out having a second voltage amplitude to a second circuit. A level shifter comprises a first cmos inverter and a second cmos inverter which are cross-coupled, and a current limiting circuit that limits a current that flows through the first cmos inverter and the second cmos inverter, and converts the input signal in into an intermediate signal int which is a differential signal.
Rohm Co., Ltd.


12/31/15
20150381179 

Signal transmission circuit suitable for ddr


A signal transmission method suitable for ddr for driving a connecting pad includes a level shifting circuit including up and down level shifters, a buffer circuit including up and down buffer units, and an output circuit. The level shifting circuit, disposed between a ddr operating voltage and a ground voltage, receives an input signal in a first operating voltage equal to the ground voltage and a second operating voltage smaller than the ddr operating voltage.
Mstar Semiconductor, Inc.


12/31/15
20150381086 

Fan motor power supply


A fan having one fan blade; a fan motor for rotating the fan blade; a motor control electrically coupled with the fan motor for controlling operational characteristics of the fan motor; and a power supply having a step-down high efficiency buck converter, a step-down low drop-out linear regulator, and/or a step-down switching regulator are described. The power supply may receive a first input voltage and lower the first input voltage to a second lower voltage.
Nidec Motor Corporation




Level Shift topics: Level Shift, Level Shifter, Semiconductor, Level Shift Circuit, Transistors, Semiconductor Substrate, Voltage Level Shift, Level Shifter Circuit, Shifter Circuit, Modulation, Adverse Effect, Protection Circuit, Schmitt Trigger, Transimpedance Amplifier, Optical Fiber

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