Inventor

MAY MARCUS W

US42 patents

⚠️ This page may combine multiple inventors who share the name “MAY MARCUS W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MAY MARCUS W

SIGMATEL INC

Class-D amplifier with noise-immunity feedback

Method and apparatus for digitally regulating an output voltage using noise-shaped component selection

Pulse-skipping PFM DC-DC converter using a voltage mode control loop

Method and apparatus for regulating multiple outputs of a single inductor DC to DC converter

Variable bandgap reference and applications thereof

Method and apparatus for providing integrated buck or boost conversion

Method and apparatus for controlling power consumption of an integrated circuit

Adjustable DAC and applications thereof

Method and apparatus to perform battery charging using a DC-DC converter circuit

Microphone bias circuit

Method and apparatus for bi-directional current limit in a dual-power source capable device

Conserving power of a system on a chip using an alternate power source

Method and apparatus for accurate digital-to-analog conversion

Method and apparatus for enabling a stand alone integrated circuit

Conserving power of a system on a chip using speed sensing

Method and apparatus for regulating multiple outputs of a single inductor DC to DC converter

Low threshold voltage circuit employing a high threshold voltage output stage

Variable bandgap reference

Low loss multiple output stage for a DC-to-DC converter

Battery-optimized system-on-a-chip and applications thereof

Method and integrated circuit for use by a handheld multiple function device

System and method for configuring direct current converter

Power optimization of a mixed-signal system on an integrated circuit

Current threshold circuit

Method and apparatus for current limiting of an output of a DC-to-DC converter

Handheld audio system

Method and system for providing voltage

System-on-a-chip for processing multimedia data and applications thereof

FREESCALE SEMICONDUCTOR INC

SOC with low power and performance modes

Battery optimized circuit and system on a chip

System on a chip with RTC power supply

Integrated circuit, universal serial bus on-the-go power source and methods for use therewith

Integrated circuit and processing system with improved power source monitoring and methods for use therewith

Method and apparatus for power supply adjustment with increased slewing

Class-D amplifier with noise-immunity feedback

Circuit for use with multifunction handheld device with video functionality

Adjust switching rate of a power supply to mitigate interference

Regulation of a DC to DC converter

MOTOROLA INC

Method and system for asynchronous sample rate conversion using a noise-shaped numerically control oscillator

Area-efficient current-input filter, virtual ground circuit used in same, and method therefor

Amplitude adjust circuit and method thereof

FELDER MATTHEW D

Touch screen driver for resolving plural contemporaneous touches and methods for use therewith