TDF SAS
Records under this name other than the patents TDF SAS holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 1 patents it holds.
Showing 1 to 10 of 10 · Back to TDF SAS
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,289,308 | Encoded wideband digital transmission signal and record carrier recorded with such a signal Lapsed on the fee record Ended Sep 11, 2013 · From the USPTO record | Lapsed on the fee record | Ended Sep 11, 2013 | From the USPTO record |
| US 6,691,086 | Digital sub-band transmission system with transmission of an additional signal Term ended Term ended Jun 5, 2011 · From the USPTO record | Term ended | Term ended Jun 5, 2011 | From the USPTO record |
| US 7,565,298 | Record carrier having an encoded wide-band digital audio signal recorded thereon Term ended Term ended Mar 30, 2011 · From the USPTO record | Term ended | Term ended Mar 30, 2011 | From the USPTO record |
| US 7,209,565 | Decoding of an encoded wideband digital audio signal in a transmission system for transmitting and receiving such signal Term ended Term ended Sep 22, 2010 · From the USPTO record | Term ended | Term ended Sep 22, 2010 | From the USPTO record |
| US 5,214,678 | Digital transmission system using subband coding of a digital signal Term ended Term ended no later than May 25, 2013 · Low confidence | Term ended | Term ended no later than May 25, 2013 | Low confidence |
| US 5,323,396 | Digital transmission system, transmitter and receiver for use in the transmission system Term ended Term ended no later than Jun 21, 2014 · Low confidence | Term ended | Term ended no later than Jun 21, 2014 | Low confidence |
| US 5,530,655 | Digital sub-band transmission system with transmission of an additional signal Term ended Term ended no later than Jun 25, 2016 · Low confidence | Term ended | Term ended no later than Jun 25, 2016 | Low confidence |
| US 5,539,829 | Subband coded digital transmission system using some composite signals Term ended Term ended no later than Jul 23, 2016 · Low confidence | Term ended | Term ended no later than Jul 23, 2016 | Low confidence |
| US 5,606,618 | Subband coded digital transmission system using some composite signals Term ended Term ended no later than Feb 25, 2017 · Low confidence | Term ended | Term ended no later than Feb 25, 2017 | Low confidence |
| US 5,777,992 | Decoder for decoding and encoded digital signal and a receiver comprising the decoder Term ended Term ended no later than Jul 7, 2018 · Low confidence | Term ended | Term ended no later than Jul 7, 2018 | Low confidence |