H04N 5/7824
With rotating magnetic heads
Official title: with rotating magnetic heads
H04N5/7824 (With rotating magnetic heads) appears on 713 US grants and 154 published applications in this corpus.
Search patents in H04N- Granted patents
- 713
- Published applications
- 154
- Assignees
- 83
- Inventors
- 864
- Latest grant
- 16 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 9 | 0 |
| 1987 | 10 | 0 |
| 1988 | 13 | 0 |
| 1989 | 15 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 9 | 0 |
| 1993 | 10 | 0 |
| 1994 | 21 | 0 |
| 1995 | 40 | 0 |
| 1996 | 56 | 0 |
| 1997 | 44 | 0 |
| 1998 | 67 | 0 |
| 1999 | 70 | 0 |
| 2000 | 66 | 0 |
| 2001 | 41 | 20 |
| 2002 | 41 | 18 |
| 2003 | 24 | 25 |
| 2004 | 18 | 19 |
| 2005 | 11 | 24 |
| 2006 | 21 | 12 |
| 2007 | 18 | 5 |
| 2008 | 24 | 18 |
| 2009 | 11 | 4 |
| 2010 | 11 | 1 |
| 2011 | 10 | 1 |
| 2012 | 5 | 2 |
| 2013 | 2 | 2 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System and method for generating visual animation16 Nov 2021US 11,178,355 B2Swaybox Studios, Inc.
- Method and system for synchronization of controller movements27 Jul 2021US 11,076,120 B1Swaybox Studios, Inc.
- Multi-track puppetry4 Dec 2018US 10,148,904 B1Swaybox Studios, Inc.
- Lens device and position detection method of movable optical element22 Nov 2016US 9,503,676 B2FUJIFILM Corporation
- Method of using AV devices and AV device system19 Jan 2016US 9,240,897 B2Hitachi Maxell, Ltd.
- System and method for generating visual animation25 Jun 2020US 2020/0204758 A1Swaybox Studios, Inc.
- Mult-track puppetry13 Jun 2019US 2019/0182450 A1Swaybox Studios, Inc.
- Lens device and position detection method of movable optical element31 Dec 2015US 2015/0381924 A1FUJIFILM Corporation
- Method of using av devices and av device system27 Jun 2013US 2013/0163964 A1Hitachi Maxell, Ltd.
- Method and apparatus for displaying video clips10 Jan 2013US 2013/0014164 A1Gemstar Development Corporation
Most cited
By later US patents
- Digital video recorder compatible receiver with trick play image enhancement527US 5,377,051 AHitachi America, Ltd. · 1994
- Apparatus and method for tracking the playing of VCR programs447US 5,488,409 A1996
- Video camera, imaging method using video camera, method of operating video camera, image processing apparatus and method, and solid-state electronic imaging device231US 5,420,635 AFuji Photo Film Co., Ltd. · 1995
- Method and apparatus for controlling a videotape player to automatically scan past recorded commercial messages202US 5,333,091 AArthur D. Little Enterprises, Inc. · 1994
- Method for fine recording of video frames200US 6,351,595 B1LG Electronics Inc. · 2002