Xiaohong Quan

Person

Macungie, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for sharing a serial communication port between...
- Patent number 9,602,433
- Issue date Mar 21, 2017
- QUALCOMM Incorporated
- Xuhao Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switch techniques for load sensing
- Patent number 9,014,381
- Issue date Apr 21, 2015
- QUALCOMM Incorporated
- Xiaohong Quan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Load current sensing
- Patent number 8,963,634
- Issue date Feb 24, 2015
- QUALCOMM Incorporated
- Ankit Srivastava
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High voltage tolerant differential receiver
- Patent number 8,680,891
- Issue date Mar 25, 2014
- QUALCOMM Incorporated
- Ankit Srivastava
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Charge pump electrostatic discharge protection
- Patent number 8,576,523
- Issue date Nov 5, 2013
- QUALCOMM Incorporated
- Ankit Srivastava
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Non-overlapping clock generation
- Patent number 8,564,346
- Issue date Oct 22, 2013
- QUALCOMM Incorporated
- Xiaohong Quan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Squelch detection circuit and method
- Patent number 8,538,362
- Issue date Sep 17, 2013
- QUALCOMM Incorporated
- Ankit Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High voltage tolerant receiver
- Patent number 8,446,204
- Issue date May 21, 2013
- QUALCOMM Incorporated
- Ankit Srivastava
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Delay cell for clock signals
- Patent number 8,390,355
- Issue date Mar 5, 2013
- QUALCOMM Incorporated
- Xiaohong Quan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Techniques for non-overlapping clock generation
- Patent number 8,169,243
- Issue date May 1, 2012
- QUALCOMM Incorporated
- Xiaohong Quan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Current-mode gain-splitting dual-path VCO
- Patent number 8,143,957
- Issue date Mar 27, 2012
- Qualcomm, Incorporated
- Xiaohong Quan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
All-digital selectable duty cycle generation
- Patent number 8,140,026
- Issue date Mar 20, 2012
- QUALCOMM Incorporated
- Xiaohong Quan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Level shifter with balanced duty cycle
- Patent number 8,111,088
- Issue date Feb 7, 2012
- QUALCOMM Incorporated
- Ankit Srivastava
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Delay-locked loop having a delay independent of input signal duty c...
- Patent number 8,076,963
- Issue date Dec 13, 2011
- QUALCOMM Incorporated
- Xuhao Huang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low power, low noise digital-to-analog converter reference circuit
- Patent number 7,791,520
- Issue date Sep 7, 2010
- QUALCOMM Incorporated
- Lennart K-A Mathe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Dynamic slew rate control based on a feedback signal
- Patent number 7,768,433
- Issue date Aug 3, 2010
- QUALCOMM Incorporated
- Lennart K-A Mathe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Adaptive bias current generation for switched-capacitor circuits
- Patent number 7,750,837
- Issue date Jul 6, 2010
- QUALCOMM Incorporated
- Chuanyang Wang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Dual-path current amplifier
- Patent number 7,724,092
- Issue date May 25, 2010
- Qualcomm, Incorporated
- Xiaohong Quan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Driver circuit and a method for matching the output impedance of a...
- Patent number 7,609,097
- Issue date Oct 27, 2009
- Agere Systems, INC
- Robert H. Leonowich
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Driver circuit capable of providing rise and fall transitions that...
- Patent number 7,176,743
- Issue date Feb 13, 2007
- Agere Systems Inc.
- Robert H. Leonowich
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
CLOCK FREQUENCY DEVIATION DETECTOR WITH CLOSED-LOOP CALIBRATION
- Publication number 20240313939
- Publication date Sep 19, 2024
- QUALCOMM Incorporated
- Bo PANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SWITCH TECHNIQUES FOR LOAD SENSING
- Publication number 20140177850
- Publication date Jun 26, 2014
- QUALCOMM Incorporated
- Xiaohong QUAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GLITCH SUPPRESSION IN DC-TO-DC POWER CONVERSION
- Publication number 20140103897
- Publication date Apr 17, 2014
- QUALCOMM Incorporated
- Le Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEMS AND METHODS FOR SHARING A SERIAL COMMUNICATION PORT BETWEEN...
- Publication number 20140029611
- Publication date Jan 30, 2014
- QUALCOMM Incorporated
- Xuhao Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOAD CURRENT SENSING
- Publication number 20130223649
- Publication date Aug 29, 2013
- QUALCOMM Incorporated
- Ankit Srivastava
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CHARGE PUMP ELECTROSTATIC DISCHARGE PROTECTION
- Publication number 20120236444
- Publication date Sep 20, 2012
- QUALCOMM Incorporated
- Ankit Srivastava
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CHARGE PUMP SURGE CURRENT REDUCTION
- Publication number 20120235730
- Publication date Sep 20, 2012
- QUALCOMM Incorporated
- Xiaohong Quan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DELAY CELL FOR CLOCK SIGNALS
- Publication number 20120212265
- Publication date Aug 23, 2012
- QUALCOMM Incorporated
- Xiaohong Quan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
High Voltage Tolerant Receiver
- Publication number 20120194254
- Publication date Aug 2, 2012
- QUALCOMM Incorporated
- Ankit Srivastava
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
High Voltage Tolerant Differential Receiver
- Publication number 20120194253
- Publication date Aug 2, 2012
- QUALCOMM Incorporated
- Ankit Srivastava
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
NON-OVERLAPPING CLOCK GENERATION
- Publication number 20120161837
- Publication date Jun 28, 2012
- Qualcomm Incorporated
- Xiaohong Quan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Squelch Detection Circuit and Method
- Publication number 20120015617
- Publication date Jan 19, 2012
- QUALCOMM Incorporated
- Ankit Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Level Shifter with Balanced Duty Cycle
- Publication number 20110260753
- Publication date Oct 27, 2011
- QUALCOMM Incorporated
- Ankit Srivastava
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DELAY-LOCKED LOOP HAVING A DELAY INDEPENDENT OF INPUT SIGNAL DUTY C...
- Publication number 20110063005
- Publication date Mar 17, 2011
- QUALCOMM Incorporated
- Xuhao Huang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ALL-DIGITAL SELECTABLE DUTY CYCLE GENERATION
- Publication number 20100283522
- Publication date Nov 11, 2010
- QUALCOMM Incorporated
- Xiaohong Quan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
TECHNIQUES FOR NON-OVERLAPPING CLOCK GENERATION
- Publication number 20100253405
- Publication date Oct 7, 2010
- QUALCOMM Incorporated
- Xiaohong Quan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ADAPTIVE BIAS CURRENT GENERATION FOR SWITCHED-CAPACITOR CIRCUITS
- Publication number 20100026542
- Publication date Feb 4, 2010
- QUALCOMM Incorporated
- Chuanyang Wang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DUAL-PATH CURRENT AMPLIFIER
- Publication number 20090091393
- Publication date Apr 9, 2009
- QUALCOMM Incorporated
- Xiaohong Quan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DYNAMIC SLEW RATE CONTROL BASED ON A FEEDBACK SIGNAL
- Publication number 20090021409
- Publication date Jan 22, 2009
- QUALCOMM Incorporated
- Lennart K-A Mathe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LOW POWER, LOW NOISE DIGITAL-TO-ANALOG CONVERTER REFERENCE CIRCUIT
- Publication number 20090009375
- Publication date Jan 8, 2009
- QUALCOMM Incorporated
- Lennart K-A Mathe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Current-mode gain-splitting dual-path VCO
- Publication number 20070159262
- Publication date Jul 12, 2007
- Xiaohong Quan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Driver circuit capable of providing rise and fall transitions that...
- Publication number 20060208774
- Publication date Sep 21, 2006
- Agere Systems Inc.
- Robert H. Leonowich
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Driver circuit and a method for matching the output impedance of a...
- Publication number 20060006912
- Publication date Jan 12, 2006
- Robert H. Leonowich
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Xiaohong Quan

Person

Patents Grantslast 30 patents

Systems and methods for sharing a serial communication port between...

Switch techniques for load sensing

Load current sensing

High voltage tolerant differential receiver

Charge pump electrostatic discharge protection

Non-overlapping clock generation

Squelch detection circuit and method

High voltage tolerant receiver

Delay cell for clock signals

Techniques for non-overlapping clock generation

Current-mode gain-splitting dual-path VCO

All-digital selectable duty cycle generation

Level shifter with balanced duty cycle

Delay-locked loop having a delay independent of input signal duty c...

Low power, low noise digital-to-analog converter reference circuit

Dynamic slew rate control based on a feedback signal

Adaptive bias current generation for switched-capacitor circuits

Dual-path current amplifier

Driver circuit and a method for matching the output impedance of a...

Driver circuit capable of providing rise and fall transitions that...

Patents Applicationslast 30 patents

CLOCK FREQUENCY DEVIATION DETECTOR WITH CLOSED-LOOP CALIBRATION

SWITCH TECHNIQUES FOR LOAD SENSING

GLITCH SUPPRESSION IN DC-TO-DC POWER CONVERSION

SYSTEMS AND METHODS FOR SHARING A SERIAL COMMUNICATION PORT BETWEEN...

LOAD CURRENT SENSING

CHARGE PUMP ELECTROSTATIC DISCHARGE PROTECTION

CHARGE PUMP SURGE CURRENT REDUCTION

DELAY CELL FOR CLOCK SIGNALS

High Voltage Tolerant Receiver

High Voltage Tolerant Differential Receiver

NON-OVERLAPPING CLOCK GENERATION

Squelch Detection Circuit and Method

Level Shifter with Balanced Duty Cycle

DELAY-LOCKED LOOP HAVING A DELAY INDEPENDENT OF INPUT SIGNAL DUTY C...

ALL-DIGITAL SELECTABLE DUTY CYCLE GENERATION

TECHNIQUES FOR NON-OVERLAPPING CLOCK GENERATION

ADAPTIVE BIAS CURRENT GENERATION FOR SWITCHED-CAPACITOR CIRCUITS

DUAL-PATH CURRENT AMPLIFIER

DYNAMIC SLEW RATE CONTROL BASED ON A FEEDBACK SIGNAL

LOW POWER, LOW NOISE DIGITAL-TO-ANALOG CONVERTER REFERENCE CIRCUIT

Current-mode gain-splitting dual-path VCO

Driver circuit capable of providing rise and fall transitions that...

Driver circuit and a method for matching the output impedance of a...