Daniel Keyes Butterfield

City:

Encinitas, California

Country:

United States

Published Applications:

Last publication date:

2015-12-31

Top Assignees for applications by Daniel Keyes Butterfield

The entities that hold a legal rights for patent applications filed by inventor Butterfield Daniel Keyes:

QUALCOMM INCORPORATED 4 San Diego, CA United States

Recent patent applications by Butterfield Daniel Keyes

Daniel Keyes Butterfield from Encinitas, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2015-12-31

US20150381401A1

Electricity

Switched capacitor transmitter circuits and methods

#2 | 2015-12-31

US20150381215A1

Electricity

Switched capacitor transmitter circuits and methods

#3 | 2015-03-26

US20150085902A1

Electricity

RFDAC Transmitter Using Multiphase Image Select FIR DAC and Delta Sigma Modulator with Multiple Rx Band NTF Zeros

#4 | 2011-09-15

US20110222703A1

Electricity

Switching power amplifier for quantized signals

#5 | 2010-01-28

US20100019845A1

Electricity

Switching power amplifier for quantized signals

InventorID:

1110147 ⎘