G11B 2220/91
Helical scan format, wherein tracks are slightly tilted with respect to tape
Official title: Helical scan format, wherein tracks are slightly tilted with respect to tape direction, e.g. VHS, DAT, DVC, AIT or exabyte
G11B2220/91 (Helical scan format, wherein tracks are slightly tilted with respect to tape) appears on 794 US grants and 340 published applications in this corpus.
Search patents in G11B- Granted patents
- 794
- Published applications
- 340
- Assignees
- 143
- Inventors
- 827
- Latest grant
- 20 Aug 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 9 | 0 |
| 1989 | 23 | 0 |
| 1990 | 22 | 0 |
| 1991 | 19 | 0 |
| 1992 | 46 | 0 |
| 1993 | 42 | 0 |
| 1994 | 37 | 0 |
| 1995 | 43 | 0 |
| 1996 | 35 | 0 |
| 1997 | 37 | 0 |
| 1998 | 28 | 0 |
| 1999 | 22 | 0 |
| 2000 | 28 | 0 |
| 2001 | 28 | 12 |
| 2002 | 22 | 30 |
| 2003 | 21 | 15 |
| 2004 | 18 | 27 |
| 2005 | 11 | 15 |
| 2006 | 15 | 32 |
| 2007 | 11 | 11 |
| 2008 | 18 | 11 |
| 2009 | 22 | 11 |
| 2010 | 15 | 11 |
| 2011 | 163 | 154 |
| 2012 | 15 | 7 |
| 2013 | 7 | 2 |
| 2014 | 6 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Audio digitization20 Aug 2019US 10,388,306 B2Blackmagic Design Pty Ltd
- Clip based trick modes3 Nov 2015US 9,177,602 B2NXP B. V.
- Communications techniques for an intelligent digital audiovisual reproduction system15 Jul 2014US 8,781,926 B2TouchTunes Music Corporation
- Audiovisual distribution system for playing an audiovisual piece among a plurality of audiovisual devices connected to a central server through a network13 May 2014US 8,724,436 B2TouchTunes Music Corporation
- Building macro elements for production automation control13 May 2014US 8,726,187 B2Thomson Licensing
- Audio digitization11 Oct 2018US 2018/0294002 A1Blackmagic Design Pty Ltd
- Pay-per-play audiovisual system with touch screen interface9 Jan 2014US 2014/0013226 A1TouchTunes Music Corporation
- Communications techniques for an intelligent digital audiovisual reproduction system12 Sep 2013US 2013/0238107 A1TouchTunes Music Corporation
- Method and apparatus for displaying video clips10 Jan 2013US 2013/0014164 A1Gemstar Development Corporation
- Communications techniques for an intelligent digital audiovisual reproduction system25 Oct 2012US 2012/0272229 A1TouchTunes Music Corporation
Most cited
By later US patents
- Graphic user interface that is usable as a PC interface and an A/V interface596US 6,118,450 ASony Corporation · 2000
- Method and system for custom manufacture and delivery of a data product588US 5,860,068 APetabyte Corporation · 1999
- Video monitoring and conferencing system518US 5,625,410 A1997
- Apparatus and method for tracking the playing of VCR programs447US 5,488,409 A1996
- System for encoding sound recordings for high-density storage and high-speed transfers304US 4,937,807 APersonics Corporation · 1990