Inventor

JOFFE DANIEL M

US67 patents

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

JOFFE DANIEL M

ADTRAN INC

Low distortion driver employing positive feedback for reducing power loss in output impedance that effectively matches the impedance of driven line

Adaptive interference canceling system and method

System and method for canceling impulse noise

Capacitance measurement-based mechanism for locating open telecommunication line fault

Auxiliary battery test and alarm system for telecommunication equipment

System and method for terminating sealing current

Cable simulation device and method

Efficient, switched linear signal driver

Complementary pair-configured telecommunication line driver having synthesized output impedance

Systems and methods for splitting telecommunication signals with reduced noise

Systems and methods for cancellation of undesired reflections in testing of optical fibers

Electronically controllable slope equalizer

Compact cable balance network for echo-cancelling, and method for optimizing transhybrid loss and method and apparatus for circuit simulation

Systems and methods for error correction in a communication device

Data processing in a digital subscriber line environment

Systems and methods for communicating high speed signals in a communication device

Automatic rogue ONU detection

Reference current source

Method and apparatus for an improved analog echo canceller

Communications connector configured for low crosstalk

Method and apparatus for reducing flux imbalance signal distortion in a data communications system

Surge protection systems and methods for ethernet communication equipment in outside plant environments

Protector block assembly for providing surge protection in telecommunication systems

Telecommunication line driver having synthesized output impedance derived from output current sensing circuit

Circuit and method for controlling quiescent current of an amplifier

JOFFE DANIEL M

Systems and methods for adjusting core voltage to optimize power savings

Systems and methods for providing back power to a service unit

Quiescent current control for class AB output stages

Systems and methods for communications across drop connections

Systems and methods for controlling the connectivity of a drop connection

Optical communication systems and methods with crosstalk cancellation

Amplifier circuits and methods for cancelling Miller capacitance

Systems and methods for powering network access devices from customer premises equipment

Systems and methods for communicating high speed signals in a communication device

Optical time domain reflectometer systems and methods using wideband optical signals for suppressing beat noise

Correlation systems and methods with error compensation

Systems and methods for reducing thermal tails on optical time domain reflectometer (OTDR) measurements

INTEGRATED NETWORK CORP

Call progress capability for a switched channel data service unit

Method and apparatus for echo canceler disablement

DTMF Signaling on four-wire switched 56 Kbps Lines

Call progress capability for a switched channel data service unit

Call progress capability for a switched channel data service unit

SMITH BRIAN C

Optical network unit with redundant reverse powering from customer premises equipment

Dual level surge protector circuit for telecommunication line

SCHLICHTER TIMOTHY JAMES

Device and method for powering Ethernet midspan device and endspan device

TURNER MICHAEL D

Systems and methods for unobtrusively testing optical fibers

AT & T BELL LAB

Loop current detector with threshold setting impedance

GOODSON RICHARD L

System and method for cancelling echo in a communications line

CRESS JARED D

Systems and methods for current limiting with overload protection

WIESE JAMES B

Surge protection systems and methods for outside plant ethernet