228046 ⎘
Current supply arrangements for telephone systems; Current supply source at the exchanger providing current to substations Feeding arrangements without the use of line transformers
Power cabling connections for remote radio heads and related methods
#2Method for optimising electrical consumption of a residential gateway
#3Extended signaling system and method
#4Subscriber line power distribution system
#5Device for controlling a supply voltage for a terminal
#6Subscriber Line Interface Circuitry with POTS Detection
#7Method and system for subscriber line interface circuit having a high-voltage MOS linefeed circuit
#8Extended signaling system and method
#9Surge protection apparatus and methods
#10Control circuit for controlling a DC supply voltage for a terminal
#11Method and system for subscriber line interface circuit
#12Audio processing apparatus
#13Tracking voltage regulator for a subscriber line interface circuit
#14System for line powering
#15System and method for providing line power to a digital telephone
#16Subscriber line interface circuit with discrete component linefeed driver
#17Adaptive Power Offloading for a Subscriber Line Interface Circuit
#18Subscriber Line Interface Circuitry
#19Subscriber Line Interface Circuitry
#20Subscriber Line Interface Circuit (SLIC) Including A Transient Output Current Limit Circuit And Related Method
#21Telephone apparatus, telephone switchboard, and telephone line connection method
#22Communications device for transmitting acoustic signals in a motor vehicle
#23Subscriber line interface circuitry
#24Low voltage sensing and control of battery referenced transistors in subscriber loop applications
#25Subscriber line interface circuitry
#26Voltage monitoring circuit and voltage monitoring method