LandOfFree - US Patents - Listing for Telephonic communications,Substation or terminal circuitry,Sidetone control or hybrid circuit

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

Method and apparatus for decreasing distortion in a line...

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

Method and apparatus for noise suppression and side-tone...

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

Method and apparatus for sidetone optimization

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

Method of improving sidetone attenuation in electroacoustic syst

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

Multi-channel echo canceler

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

Phone with adjustable sidetone

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

Side tone preventive circuit for telephone

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

Side-tone control within a telecommunication instrument

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

Sidestone reduction in full duplex transceivers

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

Signal processsing circuit for a telephone set

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

Software configurable sidetone for computer telephony

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

Speech circuit controlling sidetone signal by background noise l

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

Speech control in a telephone station

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

System and method for adapting an analog echo canceller in a...

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

Telephone circuit capable of inhibiting noise of customer premis

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

Telephone circuits

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

Telephone headset amplifier with noise blanking capability

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

Telephone receiver circuit with dynamic sidetone signal...

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

Telephones with talker sidetone