LandOfFree - US Patents - Listing for Telephonic communications

Telephonic communications – Supervisory or control line signaling – Using line or loop condition detection

Half-duplex controller

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

Half-duplex or full-duplex automode operation for use in data co

Telephonic communications – Supervisory or control line signaling – Using line or loop condition detection

Half-duplex speakerphone

Telephonic communications – Terminal – Housing or housing component

Hand adaptive telephone

Telephonic communications – Terminal – Housing or housing component

Hand free telephone picking up device

Telephonic communications – Terminal – Housing or housing component

Hand set

Telephonic communications – Terminal – Housing or housing component

Hand test set with strain relief wire channel

Telephonic communications – Terminal accessory or auxiliary equipment – Support or stand

Hand-held pay station telephone dispenser and cord retractor

Telephonic communications – With check operated control – Other than coin

Hand-held pay telephone and holder

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

Hand-held portable telephone holder

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

Hand-held radiotelephone with video transmission and display

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Hand-held telecommunication loop testing device

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Using portable test set

Hand-held telephone line signaling test instrument

Telephonic communications – Audio message storage – retrieval – or synthesis – Voice message synthesis

Handheld device for dialing of phone numbers extracted from...

Telephonic communications – Supervisory or control line signaling – Substation originated

Handheld electronic device having improved phone call log,...

Telephonic communications – Terminal – Housing or housing component

Handheld electronic device with reconfigurable keypad

Telephonic communications – Terminal – Housing or housing component

Handheld electronic device with reconfigurable keypad

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

Handheld facsimile and alphanumeric message transceiver operatin

Telephonic communications – With check operated control – At terminal station

Handicap telephone with associated booth