LandOfFree - US Patents - Listing for Telephonic communications,Supervisory or control line signaling

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Vandal-resistant push-button actuator

Telephonic communications – Supervisory or control line signaling – Substation originated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Variable color display telephone

Telephonic communications – Supervisory or control line signaling – Substation originated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice activity detection method and apparatus using the same

Telephonic communications – Supervisory or control line signaling – Signal receiver

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice activity detection method and apparatus using the same

Telephonic communications – Supervisory or control line signaling – Signal receiver

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice activity detection system and method

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice activity detector for half-duplex audio communication syst

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice activity detector for half-duplex audio communication syst

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice caller ID

Telephonic communications – Supervisory or control line signaling – Signal reception at substation

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice caller ID

Telephonic communications – Supervisory or control line signaling – Signal reception at substation

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice detection

Telephonic communications – Supervisory or control line signaling – Signalling integrity protection

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice detection

Telephonic communications – Supervisory or control line signaling – Signalling integrity protection

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice direction recognition in a digital telephone station

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice messaging system caller ring bypass control

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice operated switch

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice paging service control method in a switching system

Telephonic communications – Supervisory or control line signaling – Signal reception at substation

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice switch used in hands-free communications system

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice transmission systems with voice cancellation

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice-controlled telephone using visual display

Telephonic communications – Supervisory or control line signaling – Substation originated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice-switched handset receive amplifier

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Voice/noise discriminator

Telephonic communications – Supervisory or control line signaling – Signalling integrity protection

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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