LandOfFree - US Patents - Listing for Telephonic communications

Telephonic communications – Echo cancellation or suppression

Acoustic and electronic echo cancellation

Telephonic communications – Substation or terminal circuitry – For loudspeaking terminal

Acoustic calibration arrangement for a voice switched speakerpho

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...

Acoustic communication terminal apparatus and recording...

Telephonic communications – Terminal – Housing or housing component

Acoustic component mounting structure for portable radio unit

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...

Acoustic coupler and data transmission apparatus using the same

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...

Acoustic coupler for high-speed modem

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...

Acoustic coupling product label

Telephonic communications – Supervisory or control line signaling – Substation originated

Acoustic coupling product label and method of using

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

Acoustic echo canceler

Telephonic communications – Echo cancellation or suppression

Acoustic echo canceler and handsfree telephone set

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

Acoustic echo canceler with a peak impulse response detector

Telephonic communications – Echo cancellation or suppression – Residual echo cancellation

Acoustic echo cancellation

Telephonic communications – Echo cancellation or suppression

Acoustic echo cancellation based on noise environment

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

Acoustic echo cancellation in an integrated audio and telecommun

Telephonic communications – Echo cancellation or suppression

Acoustic echo canceller

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

Acoustic echo canceller with fast volume control compensation

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

Acoustic echo processing system

Telephonic communications – Call or terminal access alarm or control

Acoustic encoding of dynamic identification codes

Telephonic communications – Substation or terminal circuitry – Sidetone control or hybrid circuit

Acoustic feedback cancellation for equalized amplifying systems