LandOfFree - US Patents - Listing for Telephonic communications

Telephonic communications – Subscriber line or transmission line interface

T1 channel bank control process and apparatus

Telephonic communications – Call signal generating

T1 channel bank control process and apparatus

Telephonic communications – Subscriber line or transmission line interface

T1 channel bank control process and apparatus

Telephonic communications – Subscriber line or transmission line interface

T1 channel bank control process and apparatus

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

T1 channel bank control process and apparatus

Telephonic communications – Audio message storage – retrieval – or synthesis – Dynamic audio signal recording or reproduction

TAD incorporated with VCR

Telephonic communications – Special services – Conferencing

Tag interrogator and microphone array for identifying a...

Telephonic communications – Audio message storage – retrieval – or synthesis – Interacting voice message systems

Talkie connection apparatus and method for use in a switched net

Telephonic communications – Audio message storage – retrieval – or synthesis – Message management

Talking bouquet

Telephonic communications – With check operated control – Fraud or interference prevention

Tamper-deterrent device

Telephonic communications – With check operated control – Fraud or interference prevention

Tamperproof pay telephone

Telephonic communications – Plural exchange network or interconnection – Tandem switching center

Tandem access control processor connected to the public...

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

Target area calling system

Telephonic communications – With usage measurement – Call charge metering or monitoring

Targeted advertising in a telephone dialing system

Telephonic communications – Special services – Conferencing

Targeted and intelligent multimedia conference establishment...

Telephonic communications – Emergency or alarm communications – Announcement or alarm received at terminal station

Targeted disaster warning system and apparatus

Telephonic communications – Emergency or alarm communications – Announcement or alarm received at terminal station

Targeted disaster warning system and method

Telephonic communications – Emergency or alarm communications – Announcement or alarm received at terminal station

Targeted disaster warning system and method

Reissue Patent

Telephonic communications – Supervisory or control line signaling

TDMA mobile ad-hoc network (MANET) with second order timing...