A large number of patents have been filed in the United States since 1978 for video coding systems and devices adhering to the MPEG-2 standard. All of these patents are now expired.
| Patent | Filed | granted | First File | Expiry | Summary | Notes | Company | |
|---|---|---|---|---|---|---|---|---|
| 4833543 | 24 December 1986 | 23 May 1989 | 24 December 1986 | 24 December 2006 | Image processing system and phase-locked loop used therein | file+20: [2006, 12, 24] grant+17: [2006, 5, 23] | Alcatel-Lucent | |
| 4970590 | 21 December 1989 | 13 November 1990 | 21 December 1989 | 21 December 2009 | System and device for package multiplexing in transmission of many data flows generated by a sole algorithm | file+20: [2009, 12, 21] grant+17: [2007, 11, 13] | Alcatel-Lucent | |
| 5453790 | 26 March 1993 | 26 September 1995 | 26 March 1993 | 26 March 2013 | Video decoder having asynchronous operation with respect to a video display | file+20: [2013, 3, 26] grant+17: [2012, 9, 26] | Alcatel-Lucent | |
| 5136377 | 11 December 1990 | 4 August 1992 | 11 December 1990 | 11 December 2010 | Adaptive non-linear quantizer | file+20: [2010, 12, 11] grant+17: [2009, 8, 4] | AT&T Bell Laboratories | |
| 4383272 | 13 April 1981 | 10 May 1983 | 13 April 1981 | 13 April 2001 | Video signal interpolation using motion estimation | file+20: [2001, 4, 13] grant+17: [2000, 5, 10] | Bell Telephone Laboratories, Incorporated | |
| 5291284 | 23 July 1991 | 1 March 1994 | 12 December 1989 | 1 March 2011 | Predictive coding and decoding with error drift reduction | file+20: [2011, 7, 23] pct_file+20: [2009, 12, 12] grant+17: [2011, 3, 1] | British Telecommunications plc | |
| 4982270 | 3 February 1989 | 1 January 1991 | 3 February 1989 | 3 February 2009 | Video data transmitting system | file+20: [2009, 2, 3] grant+17: [2008, 1, 1] | Canon Inc. | |
| 5068724 | 15 June 1990 | 26 November 1991 | 15 June 1990 | 15 June 2010 | Adaptive motion compensation for digital television | file+20: [2010, 6, 15] grant+17: [2008, 11, 26] | CIF LICENSING, LLC | |
| 5091782 | 9 April 1990 | 25 February 1992 | 9 April 1990 | 9 April 2010 | Apparatus and method for adaptively compressing successive blocks of digital video | file+20: [2010, 4, 9] grant+17: [2009, 2, 25] | CIF LICENSING, LLC | |
| 5093720 | 20 August 1990 | 3 March 1992 | 20 August 1990 | 20 August 2010 | Motion compensation for interlaced digital television signals | file+20: [2010, 8, 20] grant+17: [2009, 3, 3] | CIF LICENSING, LLC | |
| RE35093 | 3 December 1990 | 9 March 1993 | 3 December 1990 | 3 December 2010 | Systems and methods for coding even fields of interlaced video sequences | Reissue of 05193004 filed 9 December 1994 granted 21 November 1995 file+20: [2010, 12, 3] related_patent+20: [2010, 12, 32] grant+17: [2010, 3, 9] | Columbia University | |
| 4796087 | 1 June 1987 | 3 January 1989 | 1 June 1987 | 1 June 2007 | Process for coding by transformation for the transmission of picture signals | file+20: [2007, 6, 1] grant+17: [2006, 1, 3] | France Télécom | |
| 5235618 | 6 November 1990 | 10 August 1993 | 6 November 1990 | 6 November 2010 | Video signal coding apparatus, coding method used in the video signal coding apparatus and video signal coding transmission system having the video signal coding apparatus | file+20: [2010, 11, 6] grant+17: [2010, 8, 10] | Fujitsu | |
| 4706260 | 7 November 1986 | 10 November 1987 | 7 November 1986 | 7 November 2006 | DPCM system with rate-of-fill control of buffer occupancy | file+20: [2006, 11, 7] grant+17: [2004, 11, 10] | General Electric | |
| 4813056 | 8 December 1987 | 14 March 1989 | 8 December 1987 | 8 December 2007 | Modified statistical coding of digital signals | file+20: [2007, 12, 8] grant+17: [2006, 3, 14] | General Electric | |
| 4394774 | 26 June 1981 | 19 July 1983 | 15 December 1978 | 15 December 1998 | Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedback | file+20: [2001, 6, 26] related_patent+20: [1998, 12, 15] Override: Referenced patent had its term changed grant+17: [2000, 7, 19] terminal disclaimer date December 15, 1998 | General Instrument | |
| 4698672 | 27 October 1986 | 6 October 1987 | 27 October 1986 | 27 October 2006 | Coding system for reducing redundancy | file+20: [2006, 10, 27] grant+17: [2004, 10, 6] | General Instrument | |
| 5426464 | 18 October 1994 | 20 June 1995 | 14 January 1993 | 14 January 2013 | Field elimination apparatus for a video compression/decompression system | file+20: [2014, 10, 18] related_patent+20: [2013, 1, 14] grant+17: [2012, 6, 20] | GE | |
| 5486864 | 13 May 1993 | 23 January 1996 | 13 May 1993 | 13 May 2013 | Differential time code method and apparatus as for a compressed video signal | file+20: [2013, 5, 13] grant+17: [2013, 1, 23] | GE | |
| 5491516 | 14 January 1993 | 13 February 1996 | 14 January 1993 | 13 February 2013 | Field elimination apparatus for a video compression/decompression system | file+20: [2013, 1, 14] grant+17: [2013, 2, 13] | GE | |
| 5600376 | 20 March 1995 | 4 February 1997 | 14 January 1993 | 4 February 2014 | Field elimination apparatus for a video compression/decompression system | file+20: [2015, 3, 20] related_patent+20: [2013, 1, 14] grant+17: [2014, 2, 4] | GE | |
| 5796743 | 23 May 1996 | 18 August 1998 | 30 November 1993 | 18 August 2015 | Data word indicator in a system for assembling transport data packets | file+20: [2016, 5, 23] pct_file+20: [2013, 11, 30] grant+17: [2015, 8, 18] | GE | |
| 5867501 | 7 June 1995 | 2 February 1999 | 17 December 1992 | 2 February 2016 | Encoding for communicating data and commands | file+20: [2015, 6, 7] related_patent+20: [2012, 12, 17] grant+17: [2016, 2, 2] | Hewlett-Packard Company | |
| 4849812 | 24 February 1988 | 18 July 1989 | 24 February 1988 | 24 February 2008 | Television system, in which digitized picture signals subjected to a transform coding are transmitted from an encoding station to a decoding station | file+20: [2008, 2, 24] grant+17: [2006, 7, 18] | Koninklijke Philips Electronics N.V. | |
| 4901075 | 11 September 1987 | 13 February 1990 | 11 September 1987 | 11 September 2007 | Method and apparatus for bit rate reduction | file+20: [2007, 9, 11] grant+17: [2007, 2, 13] | Koninklijke Philips Electronics N.V. | |
| 5021879 | 24 September 1990 | 4 June 1991 | 25 April 1988 | 4 June 2008 | System for transmitting video pictures | file+20: [2010, 9, 24] related_patent+20: [2008, 4, 25] grant+17: [2008, 6, 4] | Koninklijke Philips Electronics N.V. | |
| 5027206 | 13 September 1989 | 25 June 1991 | 13 September 1989 | 13 September 2009 | High-definition television systems | file+20: [2009, 9, 13] grant+17: [2008, 6, 25] | Koninklijke Philips Electronics N.V. | |
| 5128758 | 2 June 1989 | 7 July 1992 | 2 June 1989 | 7 July 2009 | Method and apparatus for digitally processing a high definition television augmentation signal | file+20: [2009, 6, 2] grant+17: [2009, 7, 7] | Koninklijke Philips Electronics N.V. | |
| 5179442 | 26 November 1990 | 12 January 1993 | 2 June 1989 | 12 January 2010 | Method and apparatus for digitally processing a high definition television augmentation signal | file+20: [2010, 11, 26] related_patent+20: [2009, 6, 2] grant+17: [2010, 1, 12] | Koninklijke Philips Electronics N.V. | |
| 5333135 | 1 February 1993 | 26 July 1994 | 1 February 1993 | 1 February 2013 | Identification of a data stream transmitted as a sequence of packets | file+20: [2013, 2, 1] grant+17: [2011, 7, 26] | Koninklijke Philips Electronics N.V. | |
| 5606539 | 31 August 1994 | 25 February 1997 | 5 June 1991 | 25 February 2014 | Method and apparatus for encoding and decoding an audio and/or video signal, and a record carrier for use with such apparatus | file+20: [2014, 8, 31] related_patent+20: [2011, 6, 5] grant+17: [2014, 2, 25] | Koninklijke Philips Electronics N.V. | |
| 5608697 | 18 March 1996 | 4 March 1997 | 5 June 1991 | 5 June 2011 | Record carrier containing an audio and/or video signal, which has been encoded and includes a decoder delay time parameter indicating a time delay for one or more portions of the signal | file+20: [2016, 3, 18] related_patent+20: [2011, 6, 5] | Koninklijke Philips Electronics N.V. | |
| 5699476 | 9 May 1996 | 16 December 1997 | 19 October 1990 | 19 October 2010 | Method and apparatus for transmitting and/or storing a series of hierarchically encoded digital image data blocks | file+20: [2016, 5, 9] related_patent+20: [2010, 10, 19] | Koninklijke Philips Electronics N.V. | |
| 5740310 | 28 June 1994 | 14 April 1998 | 30 May 1991 | 14 April 2015 | Method of maintaining display continuity from a CD with slow-motion or freeze capability | file+20: [2014, 6, 28] related_patent+20: [2011, 5, 30] grant+17: [2015, 4, 14] | Koninklijke Philips Electronics N.V. | |
| 5844867 | 9 September 1996 | 1 December 1998 | 5 June 1991 | 5 June 2011 | Methods and apparatus for encoding and decoding an audio and/or video signal, and a record carrier used therewith or produced therefrom | file+20: [2016, 9, 9] related_patent+20: [2011, 6, 5] | Koninklijke Philips Electronics N.V. | |
| 6181712 | 11 October 1995 | 30 January 2001 | 23 February 1995 | 30 January 2018 | Method and device for transmitting data packets | file+20: [2015, 10, 11] pct_file+20: [2015, 2, 23] grant+17: [2018, 1, 30] | Koninklijke Philips Electronics N.V. | |
| 6792001 | 21 September 2000 | 14 September 2004 | 23 February 1995 | 24 May 2017 | Method and device for transmitting data packets | file+20: [2020, 9, 21] related_patent+20: [2015, 2, 23] Override: Auto parse missed date term extension 821 days | Koninklijke Philips Electronics N.V. | |
| RE37057 | 14 November 1994 | 21 May 1996 | 14 November 1994 | 14 November 2014 | Apparatus and method for converting an HDTV signal to a non-HDTV signal | Reissue of 05519446 filed 18 May 1998 granted 20 February 2001 file+20: [2014, 11, 14] related_patent+20: [2014, 11, 32] grant+17: [2013, 5, 21] | LG Electronics | |
| RE37568 | 30 November 1993 | 1 April 1997 | 30 November 1993 | 1 April 2014 | Inverse Quantizer | Reissue of 05617094 filed 31 March 1999 granted 5 March 2002 file+20: [2013, 11, 30] related_patent+20: [2013, 11, 32] grant+17: [2014, 4, 1] | LG Electronics | |
| 5113255 | 11 May 1990 | 12 May 1992 | 11 May 1990 | 11 May 2010 | Moving image signal encoding apparatus and decoding apparatus | file+20: [2010, 5, 11] grant+17: [2009, 5, 12] | Matsushita | |
| RE35910 | 11 May 1990 | 12 May 1992 | 11 May 1990 | 11 May 2010 | Moving image signal encoding apparatus and decoding apparatus | Reissue of 05113255 filed 12 May 1994 granted 29 September 1998 file+20: [2010, 5, 11] related_patent+20: [2010, 5, 32] grant+17: [2009, 5, 12] | Matsushita | |
| RE36015 | 27 March 1992 | 8 March 1994 | 27 March 1992 | 27 March 2012 | Apparatus and method for processing groups of fields in a video data compression system | Reissue of 05293229 filed 2 October 1995 granted 29 December 1998 file+20: [2012, 3, 27] related_patent+20: [2012, 3, 32] grant+17: [2011, 3, 8] | Matsushita | |
| RE36507 | 27 March 1992 | 8 March 1994 | 27 March 1992 | 27 March 2012 | Apparatus and method for processing groups of fields in a video data compression system to encode a single frame as an I-field and a P-field | Reissue of 05293229 filed 21 October 1997 granted 18 January 2000 file+20: [2012, 3, 27] related_patent+20: [2012, 3, 27] grant+17: [2011, 3, 8] | Matsushita | |
| RE39276 | 20 July 1994 | 28 April 1998 | 2 November 1992 | 28 April 2015 | Method for determining motion compensation | Reissue of 05745182 filed 27 April 2000 granted 12 September 2006 file+20: [2014, 7, 20] related_patent+20: [2012, 11, 2] grant+17: [2015, 4, 28] | Matsushita | |
| RE39278 | 20 July 1994 | 28 April 1998 | 2 November 1992 | 28 April 2015 | Method for determining motion compensation | Reissue of 05745182 filed 13 April 2001 granted 12 September 2006 file+20: [2014, 7, 20] related_patent+20: [2012, 11, 2] grant+17: [2015, 4, 28] | Matsushita | |
| RE39280 | 20 July 1994 | 28 April 1998 | 2 November 1992 | 28 April 2015 | Method for determining motion compensation | Reissue of 05745182 filed 30 May 2001 granted 12 September 2006 file+20: [2014, 7, 20] related_patent+20: [2012, 11, 2] grant+17: [2015, 4, 28] | Matsushita | |
| 5223949 | 17 April 1992 | 29 June 1993 | 17 April 1992 | 17 April 2012 | Coding means for a signal processing system | file+20: [2012, 4, 17] grant+17: [2010, 6, 29] | Matsushita | |
| 5412430 | 4 May 1994 | 2 May 1995 | 31 July 1992 | 31 July 2012 | Image coding method and image coding apparatus | file+20: [2014, 5, 4] related_patent+20: [2012, 7, 31] grant+17: [2012, 5, 2] | Matsushita | |
| 5784107 | 23 January 1996 | 21 July 1998 | 21 April 1992 | 21 April 2012 | Method and apparatus for picture coding and method and apparatus for picture decoding | file+20: [2016, 1, 23] related_patent+20: [2012, 4, 21] | Matsushita | |
| 4954892 | 4 October 1989 | 4 September 1990 | 4 October 1989 | 4 October 2009 | Buffer controlled picture signal encoding and decoding system | file+20: [2009, 10, 4] grant+17: [2007, 9, 4] | Mitsubishi | |
| 5072295 | 20 August 1990 | 10 December 1991 | 20 August 1990 | 20 August 2010 | Adaptive quantization coder/decoder with limiter circuitry | file+20: [2010, 8, 20] grant+17: [2008, 12, 10] | Mitsubishi | |
| 5268846 | 10 April 1991 | 7 December 1993 | 10 April 1991 | 10 April 2011 | Method and apparatus for nonsequential multimedia data interchange in a data processing system | file+20: [2011, 4, 10] grant+17: [2010, 12, 7] | Mitsubishi | |
| 5949489 | 31 July 1998 | 7 September 1999 | 16 October 1992 | 16 October 2012 | Image signal coding system | file+20: [2018, 7, 31] related_patent+20: [2012, 10, 16] | Mitsubishi | |
| 5963258 | 31 July 1998 | 5 October 1999 | 16 October 1992 | 16 October 2012 | Image signal coding system | file+20: [2018, 7, 31] related_patent+20: [2012, 10, 16] | Mitsubishi | |
| 5970175 | 26 October 1998 | 19 October 1999 | 16 October 1992 | 16 October 2012 | Image signal coding system | file+20: [2018, 10, 26] related_patent+20: [2012, 10, 16] | Mitsubishi | |
| 5990960 | 9 December 1998 | 23 November 1999 | 16 October 1992 | 16 October 2012 | Image signal coding system | file+20: [2018, 12, 9] related_patent+20: [2012, 10, 16] | Mitsubishi | |
| 6002439 | 27 May 1999 | 14 December 1999 | 16 October 1992 | 16 October 2012 | Image signal coding system | file+20: [2019, 5, 27] related_patent+20: [2012, 10, 16] | Mitsubishi | |
| 6097759 | 22 November 1999 | 1 August 2000 | 16 October 1992 | 16 October 2012 | Image signal coding system | file+20: [2019, 11, 22] related_patent+20: [2012, 10, 16] | Mitsubishi | |
| 6188794 | 20 May 1999 | 13 February 2001 | 16 October 1992 | 16 October 2012 | Image signal coding system | file+20: [2019, 5, 20] related_patent+20: [2012, 10, 16] | Mitsubishi | |
| 6307973 | 4 December 2000 | 23 October 2001 | 16 October 1992 | 16 October 2012 | Image signal coding system | file+20: [2020, 12, 4] related_patent+20: [2012, 10, 16] term extension 0 days | Mitsubishi | |
| 7362805 | 2 March 2006 | 22 April 2008 | 29 January 1993 | 29 January 2013 | High efficiency encoder and video information recording/reproducing apparatus | file+20: [2026, 3, 2] related_patent+20: [2013, 1, 29] term extension 0 days | Mitsubishi | |
| 7376184 | 4 November 2002 | 20 May 2008 | 29 January 1993 | 31 May 2014 | High-efficiency encoder and video information recording/reproducing apparatus | file+20: [2022, 11, 4] related_patent+20: [2013, 1, 29] term extension 487 days | Mitsubishi | |
| 7756202 | 30 October 2007 | 13 July 2010 | 29 January 1993 | 6 August 2013 | High-efficiency encoder and video information recording/reproducing apparatus | file+20: [2027, 10, 30] related_patent+20: [2013, 1, 29] term extension 189 days | Mitsubishi | |
| 7936817 | 30 October 2007 | 3 May 2011 | 29 January 1993 | 29 January 2013 | High-efficiency encoder and video information recording/reproducing apparatus | file+20: [2027, 10, 30] related_patent+20: [2013, 1, 29] | Mitsubishi | |
| 4958226 | 27 September 1989 | 18 September 1990 | 27 September 1989 | 27 September 2009 | Conditional motion compensated interpolation of digital motion video | file+20: [2009, 9, 27] grant+17: [2007, 9, 18] | Multimedia Patent Trust | |
| 5227878 | 15 November 1991 | 13 July 1993 | 15 November 1991 | 15 November 2011 | Adaptive coding and decoding of frames and fields of video | file+20: [2011, 11, 15] grant+17: [2010, 7, 13] | Multimedia Patent Trust | |
| 5500678 | 18 March 1994 | 19 March 1996 | 18 March 1994 | 18 March 2014 | Optimized scanning of transform coefficients in video coding | file+20: [2014, 3, 18] grant+17: [2013, 3, 19] | Multimedia Patent Trust | |
| 5563593 | 18 March 1994 | 8 October 1996 | 18 March 1994 | 18 March 2014 | Video coding with optimized low complexity variable length codes | file+20: [2014, 3, 18] grant+17: [2013, 10, 8] | Multimedia Patent Trust | |
| 4849812 | 24 February 1988 | 18 July 1989 | 24 February 1988 | 24 February 2008 | Television system, in which digitized picture signals subjected to a transform coding are transmitted from an encoding station to a decoding station | file+20: [2008, 2, 24] grant+17: [2006, 7, 18] | Philips | |
| 4901075 | 11 September 1987 | 13 February 1990 | 11 September 1987 | 11 September 2007 | Method and apparatus for bit rate reduction | file+20: [2007, 9, 11] grant+17: [2007, 2, 13] | Philips | |
| 5021879 | 24 September 1990 | 4 June 1991 | 25 April 1988 | 4 June 2008 | System for transmitting video pictures | file+20: [2010, 9, 24] related_patent+20: [2008, 4, 25] grant+17: [2008, 6, 4] | Philips | |
| 5027206 | 13 September 1989 | 25 June 1991 | 13 September 1989 | 13 September 2009 | High-definition television systems | file+20: [2009, 9, 13] grant+17: [2008, 6, 25] | Philips | |
| 5128758 | 2 June 1989 | 7 July 1992 | 2 June 1989 | 7 July 2009 | Method and apparatus for digitally processing a high definition television augmentation signal | file+20: [2009, 6, 2] grant+17: [2009, 7, 7] | Philips | |
| 5179442 | 26 November 1990 | 12 January 1993 | 2 June 1989 | 12 January 2010 | Method and apparatus for digitally processing a high definition television augmentation signal | file+20: [2010, 11, 26] related_patent+20: [2009, 6, 2] grant+17: [2010, 1, 12] | Philips | |
| 5333135 | 1 February 1993 | 26 July 1994 | 1 February 1993 | 1 February 2013 | Identification of a data stream transmitted as a sequence of packets | file+20: [2013, 2, 1] grant+17: [2011, 7, 26] | Philips | |
| 5606539 | 31 August 1994 | 25 February 1997 | 5 June 1991 | 25 February 2014 | Method and apparatus for encoding and decoding an audio and/or video signal, and a record carrier for use with such apparatus | file+20: [2014, 8, 31] related_patent+20: [2011, 6, 5] grant+17: [2014, 2, 25] | Philips | |
| 5608697 | 18 March 1996 | 4 March 1997 | 5 June 1991 | 5 June 2011 | Record carrier containing an audio and/or video signal which has been encoded and includes a decoder delay time parameter indicating a time delay for one or more portions of the signal | file+20: [2016, 3, 18] related_patent+20: [2011, 6, 5] | Philips | |
| 5740310 | 28 June 1994 | 14 April 1998 | 30 May 1991 | 14 April 2015 | Method of maintaining display continuity from a CD with slow-motion or freeze capability | file+20: [2014, 6, 28] related_patent+20: [2011, 5, 30] grant+17: [2015, 4, 14] | Philips | |
| 5844867 | 9 September 1996 | 1 December 1998 | 5 June 1991 | 5 June 2011 | Methods and apparatus for encoding and decoding an audio and/or video signal, and a record carrier used therewith or produced therefrom | file+20: [2016, 9, 9] related_patent+20: [2011, 6, 5] | Philips | |
| 5461421 | 29 November 1993 | 24 October 1995 | 29 November 1993 | 29 November 2013 | Encoding and decoding method and apparatus thereof | file+20: [2013, 11, 29] grant+17: [2012, 10, 24] | Samsung | |
| 5467086 | 18 June 1993 | 14 November 1995 | 18 June 1993 | 18 June 2013 | Apparatus and method of coding/decoding video data | file+20: [2013, 6, 18] grant+17: [2012, 11, 14] | Samsung | |
| 5654706 | 18 December 1996 | 5 August 1997 | 15 July 1993 | 15 July 2013 | System for variable length decoding digital transmission data which has been compressed by selecting a scanning pattern | file+20: [2016, 12, 18] related_patent+20: [2013, 7, 15] | Samsung | |
| 6680975 | 2 November 2000 | 20 January 2004 | 1 March 1993 | 12 March 2014 | Signal encoding and decoding system and method | file+20: [2020, 11, 2] related_patent+20: [2013, 3, 1] term extension 376 days | Samsung | |
| 7292657 | 3 July 2003 | 6 November 2007 | 1 March 1993 | 1 March 2013 | Signal compressing signal | file+20: [2023, 7, 3] related_patent+20: [2013, 3, 1] | Samsung | |
| 7609760 | 5 January 2009 | 27 October 2009 | 1 March 1993 | 1 March 2013 | Signal compressing system | file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung | |
| 7616687 | 5 January 2009 | 10 November 2009 | 1 March 1993 | 1 March 2013 | Signal compressing system | file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung | |
| 7684490 | 18 December 2008 | 23 March 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | file+20: [2028, 12, 18] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung | |
| 7724821 | 24 December 2008 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | file+20: [2028, 12, 24] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung | |
| 7724822 | 24 December 2008 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | file+20: [2028, 12, 24] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung | |
| 7724823 | 24 December 2008 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | file+20: [2028, 12, 24] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung | |
| 7724824 | 5 January 2009 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung | |
| 7724828 | 16 November 2009 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | file+20: [2029, 11, 16] related_patent+20: [2013, 3, 1] term extension 0 days | Samsung | |
| 7724829 | 16 November 2009 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | file+20: [2029, 11, 16] related_patent+20: [2013, 3, 1] term extension 0 days | Samsung | |
| 7742522 | 5 January 2009 | 22 June 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. | Samsung | |
| 7742527 | 5 January 2009 | 22 June 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung | |
| 7764735 | 2 July 2009 | 27 July 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | file+20: [2029, 7, 2] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. | Samsung | |
| 7782956 | 16 November 2009 | 24 August 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | file+20: [2029, 11, 16] related_patent+20: [2013, 3, 1] term extension 0 days | Samsung | |
| 7787538 | 5 January 2009 | 31 August 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung | |
| 5418782 | 6 January 1994 | 23 May 1995 | 30 October 1992 | 30 October 2012 | Methods and apparatus for providing virtual service selection in a multi-service communications system | file+20: [2014, 1, 6] related_patent+20: [2012, 10, 30] grant+17: [2012, 5, 23] | Scientific Atlanta | |
| 5420866 | 29 March 1994 | 30 May 1995 | 29 March 1994 | 29 March 2014 | Methods for providing conditional access information to decoders in a packet-based multiplexed communications system | file+20: [2014, 3, 29] grant+17: [2012, 5, 30] | Scientific Atlanta | |
| 5457701 | 6 January 1994 | 10 October 1995 | 6 January 1994 | 6 January 2014 | Method for indicating packet errors in a packet-based multi-hop communications system | file+20: [2014, 1, 6] grant+17: [2012, 10, 10] | Scientific Atlanta | |
| 4864393 | 31 May 1988 | 5 September 1989 | 31 May 1988 | 31 May 2008 | Motion vector estimation in television images | file+20: [2008, 5, 31] grant+17: [2006, 9, 5] | Sony | |
| RE37222 | 12 October 1990 | 21 July 1992 | 12 October 1990 | 12 October 2010 | Video signal transmitting system | Reissue of 05132792 filed 19 July 1994 granted 12 June 2001 file+20: [2010, 10, 12] related_patent+20: [2010, 10, 32] grant+17: [2009, 7, 21] | Sony | |
| 5191436 | 30 April 1991 | 2 March 1993 | 30 April 1991 | 30 April 2011 | Method for recording coded motion picture data | file+20: [2011, 4, 30] grant+17: [2010, 3, 2] | Sony | |
| 5291486 | 7 August 1992 | 1 March 1994 | 7 August 1992 | 7 August 2012 | Data multiplexing apparatus and multiplexed data demultiplexing apparatus | file+20: [2012, 8, 7] grant+17: [2011, 3, 1] | Sony | |
| 5298991 | 24 July 1992 | 29 March 1994 | 24 July 1992 | 24 July 2012 | Variable length coding apparatus and method for motion vector | file+20: [2012, 7, 24] grant+17: [2011, 3, 29] | Sony | |
| 5343248 | 16 July 1992 | 30 August 1994 | 16 July 1992 | 16 July 2012 | Moving image compressing and recording medium and moving image data encoder and decoder | file+20: [2012, 7, 16] grant+17: [2011, 8, 30] | Sony | |
| 5428396 | 27 December 1993 | 27 June 1995 | 24 July 1992 | 24 July 2012 | Variable length coding/decoding method for motion vectors | file+20: [2013, 12, 27] related_patent+20: [2012, 7, 24] grant+17: [2012, 6, 27] | Sony | |
| 5461420 | 17 September 1993 | 24 October 1995 | 17 September 1993 | 17 September 2013 | Apparatus for coding and decoding a digital video signal derived from a motion picture film source | file+20: [2013, 9, 17] grant+17: [2012, 10, 24] | Sony | |
| 5481553 | 28 February 1994 | 2 January 1996 | 28 February 1994 | 28 February 2014 | Methods and apparatus for preventing rounding errors when transform coefficients representing a motion picture signal are inversely transformed | file+20: [2014, 2, 28] grant+17: [2013, 1, 2] | Sony | |
| 5510840 | 15 May 1995 | 23 April 1996 | 30 August 1993 | 30 August 2013 | Methods and devices for encoding and decoding frame signals and recording medium therefor | file+20: [2015, 5, 15] related_patent+20: [2013, 8, 30] grant+17: [2013, 4, 23] | Sony | |
| 5539466 | 26 September 1994 | 23 July 1996 | 23 April 1993 | 23 July 2013 | Efficient coding apparatus for picture signal and decoding apparatus therefor | file+20: [2014, 9, 26] related_patent+20: [2013, 4, 32] grant+17: [2013, 7, 23] | Sony | |
| 5543847 | 13 December 1993 | 6 August 1996 | 13 December 1993 | 13 December 2013 | Picture coding and decoding method for random accessing | file+20: [2013, 12, 13] grant+17: [2013, 8, 6] | Sony | |
| 5559557 | 28 September 1993 | 24 September 1996 | 28 September 1993 | 28 September 2013 | Motion video coding with adaptive precision for DC component coefficient quantization and variable length coding | file+20: [2013, 9, 28] grant+17: [2013, 9, 24] | Sony | |
| 5663763 | 18 October 1993 | 2 September 1997 | 18 October 1993 | 2 September 2014 | Picture signal encoding method and apparatus and picture signal decoding method and apparatus | file+20: [2013, 10, 18] grant+17: [2014, 9, 2] | Sony | |
| 5666461 | 30 May 1995 | 9 September 1997 | 21 April 1993 | 9 September 2014 | High efficiency encoding and decoding of picture signals and recording medium containing same | file+20: [2015, 5, 30] related_patent+20: [2013, 4, 21] grant+17: [2014, 9, 9] | Sony | |
| 5701164 | 19 December 1996 | 23 December 1997 | 24 March 1994 | 24 March 2014 | Macroblock coding including difference between motion vectors | file+20: [2016, 12, 19] related_patent+20: [2014, 3, 24] Override: Auto parse missed PCT date | Sony | |
| 5946042 | 2 July 1997 | 31 August 1999 | 24 March 1994 | 24 March 2014 | Macroblock coding including difference between motion vectors | file+20: [2017, 7, 2] related_patent+20: [2014, 3, 24] Override: Auto parse missed PCT date | Sony | |
| 5982437 | 15 October 1993 | 9 November 1999 | 15 October 1993 | 9 November 2016 | Coding method and system, and decoding method and system | file+20: [2013, 10, 15] grant+17: [2016, 11, 9] | Sony | |
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| RE35093 | 3 December 1990 | 9 March 1993 | 3 December 1990 | 3 December 2010 | Systems and methods for coding even fields of interlaced video sequences | Reissue of 05193004 filed 9 December 1994 granted 21 November 1995 file+20: [2010, 12, 3] related_patent+20: [2010, 12, 32] grant+17: [2010, 3, 9] | The Trustees of Columbia University in the City of New York | |
| 4800432 | 24 October 1986 | 24 January 1989 | 24 October 1986 | 24 October 2006 | Video Difference key generator | file+20: [2006, 10, 24] grant+17: [2006, 1, 24] | Thomson | |
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| 5381181 | 13 May 1993 | 10 January 1995 | 13 May 1993 | 13 May 2013 | Clock recovery apparatus as for a compressed video signal | file+20: [2013, 5, 13] grant+17: [2012, 1, 10] | Thomson | |
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| 5459789 | 22 April 1994 | 17 October 1995 | 22 April 1994 | 22 April 2014 | Packet TV program component detector | file+20: [2014, 4, 22] grant+17: [2012, 10, 17] | Thomson | |
| 5483287 | 3 August 1994 | 9 January 1996 | 19 June 1992 | 15 November 2011 | Method for forming transport cells for conveying compressed video data | file+20: [2014, 8, 3] related_patent+20: [2012, 6, 19] grant+17: [2013, 1, 9] terminal disclaimer date November 15, 2011 | Thomson | |
| 5565923 | 22 August 1995 | 15 October 1996 | 13 May 1993 | 13 May 2013 | Apparatus for formatting a digital signal to include multiple time stamps for system synchronization | file+20: [2015, 8, 22] related_patent+20: [2013, 5, 13] | Thomson | |
| 5784110 | 23 May 1996 | 21 July 1998 | 30 November 1993 | 21 July 2015 | Data processor for assembling transport data packets | file+20: [2016, 5, 23] pct_file+20: [2013, 11, 30] grant+17: [2015, 7, 21] | Thomson | |
| 7020204 | 8 February 2002 | 28 March 2006 | 30 December 1988 | 30 January 2010 | Adaptive method of encoding and decoding a series of pictures by transformation, and devices for implementing this method | file+20: [2022, 2, 8] related_patent+20: [2008, 12, 30] term extension 396 days | Thomson | |
| 7334248 | 24 May 2002 | 19 February 2008 | 22 April 1994 | 14 February 2018 | Conditional access filter as for a packet video signal inverse transport system | file+20: [2022, 5, 24] related_patent+20: [2014, 4, 22] Override: Error in original patent, fixed in correction B2 term extension 1394 days. | Thomson | |
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| RE35158 | 26 April 1990 | 1 January 1991 | 16 January 1990 | 16 January 2010 | Apparatus for adaptive inter-frame predictive encoding of video signal | Reissue of 04982285 filed 28 December 1992 granted 20 February 1996 file+20: [2010, 4, 26] related_patent+20: [2010, 1, 16] grant+17: [2008, 1, 1] | Victor Company | |
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| 4972484 | 21 July 1988 | 20 November 1990 | 20 November 1987 | 20 November 2007 | Method of transmitting or storing masked sub-band coded audio signals | file+20: [2008, 7, 21] pct_file+20: [2007, 11, 20] grant+17: [2007, 11, 20] | Audio MPEG, Inc | |
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| 5606618 | 27 December 1993 | 25 February 1997 | 1 June 1990 | 25 February 2014 | Subband coded digital transmission system using some composite signals | file+20: [2013, 12, 27] related_patent+20: [2010, 6, 1] grant+17: [2014, 2, 25] | Audio MPEG, Inc | |
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| 5777992 | 7 June 1995 | 7 July 1998 | 1 June 1990 | 7 July 2015 | Decoder for decoding and encoded digital signal and a receiver comprising the decoder | file+20: [2015, 6, 7] related_patent+20: [2010, 6, 1] grant+17: [2015, 7, 7] | Audio MPEG, Inc | |
| 6289308 | 8 March 2000 | 11 September 2001 | 1 June 1990 | 1 June 2010 | Encoded wideband digital transmission signal and record carrier recorded with such a signal | file+20: [2020, 3, 8] related_patent+20: [2010, 6, 1] term extension 0 days | Audio MPEG, Inc | |
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| 5544247 | 25 October 1994 | 6 August 1996 | 25 October 1994 | 25 October 2014 | Transmission and reception of a first and a second main signal component | file+20: [2014, 10, 25] grant+17: [2013, 8, 6] | Audio MPEG, Inc | |
| 5610985 | 21 January 1994 | 11 March 1997 | 21 January 1994 | 11 March 2014 | Digital 3-channel transmission of left and right stereo signals and a center signal | file+20: [2014, 1, 21] grant+17: [2014, 3, 11] | Audio MPEG, Inc | |
| 5740317 | 30 August 1995 | 14 April 1998 | 21 July 1992 | 14 April 2015 | Process for finding the overall monitoring threshold during a bit-rate-reducing source coding | file+20: [2015, 8, 30] related_patent+20: [2013, 9, 17] pct_file+20: [2012, 7, 21] grant+17: [2015, 4, 14] | Audio MPEG, Inc | |
| 5878080 | 7 February 1997 | 2 March 1999 | 7 February 1997 | 7 February 2017 | N-channel transmission, compatible with 2-channel transmission and 1-channel transmission | file+20: [2017, 2, 7] | Audio MPEG, Inc | |
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