LandOfFree - US Patents - Listing for Telephonic communications

Telephonic communications – Audio message storage – retrieval – or synthesis

Adaptive power cycling for a cordless telephone

Telephonic communications – Supervisory or control line signaling – Signal reception at substation

Adaptive ringer for telephone terminal

Telephonic communications – Plural exchange network or interconnection – Connection call model

Adaptive routing control method

Telephonic communications – Special services – Service profile

Adaptive rule-based mechanism and method for feature...

Telephonic communications – Echo cancellation or suppression – Using digital signal processing

Adaptive scaling and echo reduction

Telephonic communications – Subscriber line or transmission line interface – Protective circuit

Adaptive signal processing device, echo suppressing device and h

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Adaptive sparse echo canceller using a sub-rate filter for activ

Telephonic communications – Emergency or alarm communications

Adaptive speakerphone system

Telephonic communications – Emergency or alarm communications

Adaptive speakerphone system

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network

Adaptive splatter control

Telephonic communications – Echo cancellation or suppression

Adaptive sub-band echo suppressor

Telephonic communications – Substation or terminal circuitry – Conversion of signal form

Adaptive telephone handset interface

Telephonic communications – Substation or terminal circuitry – Conversion of signal form

Adaptive telephone interface

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing

Adaptive telephone number selection method and system

Telephonic communications – With check operated control

Adaptive telephone receive control

Telephonic communications – Centralized switching system – Call distribution to operator

Adaptive transaction guidance

Telephonic communications – Substation or terminal circuitry – Impedance matching or line equalizing

Adaptive transmission line impedance matching device and method

Telephonic communications – Substation or terminal circuitry

Adaptive transmit amplifier

Telephonic communications – Emergency or alarm communications – Responsive to sensed nonsystem condition

Adaptive vehicle alarm detection and reporting system