Inventor

LATURELL DONALD R

US44 patents

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

LATURELL DONALD R

AGERE SYSTEMS INC

POTS/broadband voice cross-connect system

Distribution of current draw in a line powered DAA

Clock and data recovery with extended integration cycles

Reduction of data skew in parallel processing circuits

Line interface circuit with event detection signaling

Method and apparatus for non-disruptive telecommunication loop condition determination

Maintaining an off-hook condition during a call bridge

Clock and data recovery with extended integration cycles

Startup procedure for international line powered DAA

Placement of a transmit predistortion filter with respect to a data access arrangement

Reduced DC transients in a sigma delta filter

Detection of low tip/ring currents in a line powered DAA

Crosstalk reduction in a backplane employing low-skew clock distribution

Inductive coupling for communications equipment interface circuitry

Method and apparatus for non-disruptive telecommunication loop condition determination

Event detection circuit

Combination clock and charge pump for line powered DAA

LSI CORP

BiCMOS gate driver for class-S radio frequency power amplifier

Hybrid digital/analog power amplifier

High-voltage voltage-switched class-S amplifier

Radio frequency composite Class-S power amplifier having discrete power control

Low inductance flex bond with low thermal resistance

Low-distortion class S power amplifier with constant-impedance bandpass filter

Method and apparatus for high density pulse density modulation

Interleaved multipath digital power amplification

Cascaded viterbi bitstream generator

Switching power amplifier system for multi-path signal interleaving

Digital radio frequency clocking methods

Single-sideband transmitter using class-S amplifier

AT & T CORP

Credit card-sized modem with modular DAA

Communication card with extendible, rotatable coupling

Transformerless hybrid circuit

Transformerless hybrid circuit having direct powered line-side amplifiers

AGERE SYST GUARDIAN CORP

Telecom service identification resonator apparatus and technique

Impedance matching with sigma delta filter

Telecom service identification transponder apparatus and technique

AT & T BELL LAB

Technique for automatic identification of a remote modem

Transformer-less hybrid circuit

LUCENT TECHNOLOGIES INC

Interface devices providing electrical isolation

Method and apparatus for reducing power dissipation in DC termination circuit

AGERE SYSTEMS LLC

Method and apparatus for non-disruptive telecommunication loop condition determination

FISCHER JONATHAN H

Method and apparatus for non-disruptive telecommunication loop condition determination

AVAGO TECHNOLOGIES GENERAL IP

Radio frequency bitstream generator and combiner providing image rejection

LATURELL DONALD R

Half-duplex speakerphone echo canceler