LandOfFree - US Patents - Listing for Telephonic communications,Subscriber line or transmission line interface,Power supply

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Silent ringing with reduced device sizes

Telephonic communications – Subscriber line or transmission line interface – Power supply

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Speech amplifier-resident mechanism for controllably...

Telephonic communications – Subscriber line or transmission line interface – Power supply

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Startup procedure for international line powered DAA

Telephonic communications – Subscriber line or transmission line interface – Power supply

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Subscriber circuit for public telephone set

Telephonic communications – Subscriber line or transmission line interface – Power supply

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Subscriber line interface circuit

Telephonic communications – Subscriber line or transmission line interface – Power supply

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Subscriber line interface circuitry

Telephonic communications – Subscriber line or transmission line interface – Power supply

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Supply circuit for supplying a two-wire line

Telephonic communications – Subscriber line or transmission line interface – Power supply

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Supply power transition control

Telephonic communications – Subscriber line or transmission line interface – Power supply

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

System and method for allocating overhead voltage in the...

Telephonic communications – Subscriber line or transmission line interface – Power supply

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

System and method for distributing power over a premises...

Telephonic communications – Subscriber line or transmission line interface – Power supply

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

System and method for providing lifeline power service to...

Telephonic communications – Subscriber line or transmission line interface – Power supply

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

System and method for providing power over a home phone line...

Telephonic communications – Subscriber line or transmission line interface – Power supply

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

System and method for providing power over a home phone line...

Telephonic communications – Subscriber line or transmission line interface – Power supply

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

System including an alternate power source for a...

Telephonic communications – Subscriber line or transmission line interface – Power supply

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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