LandOfFree - US Patents - Listing for Telephonic communications

Telephonic communications – Telephone line or system combined with diverse electrical... – Remote control

Device for remotely resetting electronic appliances in response

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal

Device for remotely testing a twisted pair transmission line

Telephonic communications – Terminal accessory or auxiliary equipment – Attachable to terminal housing

Device for selectively depressing a telephone switch

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Including fault responsive disconnection of tested component

Device for sequentially altering a communication line for remote

Telephonic communications – Supervisory or control line signaling – Substation originated

Device for setting and tone dialing a single telephone number

Telephonic communications – Telephone line or system combined with diverse electrical... – Remote indication over telephone line

Device for telephone monitoring of patients having peripheral ar

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal

Device for testing telecommunication terminals, in particular mo

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

Device for the setting up and routing of telephone calls between

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

Device for the transmission of data by telephone line

Telephonic communications – Terminal accessory or auxiliary equipment – Including coupler

Device for transforming a digital signal into an acoustic...

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

Device for transmitting video and audio signals through an integ

Telephonic communications – Centralized switching system – Call distribution to operator

Device for upgrading a reporting system

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

Device for use in communication systems

Telephonic communications – Terminal – Housing or housing component

Device having a base part, and a cover selected for external con

Telephonic communications – Reception of calling information at substation in wireline... – Extracting call id from transmitted signal

Device independent caller ID

Telephonic communications – Terminal accessory or auxiliary equipment – Telephone receiver support

Device rack

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

Device to block unauthorized modem access over a PBX line

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

Device to monitor the content and/or display of messages

Reissue Patent

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

Device to monitor the content and/or duration of the display of