G11B 27/324
Duty cycle modulation of control pulses
Official title: {Duty cycle modulation of control pulses, e.g. VHS-CTL-coding systems, RAPID-time code, VASS- or VISS-cue signals}
G11B27/324 (Duty cycle modulation of control pulses) appears on 161 US grants and 38 published applications in this corpus.
Search patents in G11B- Granted patents
- 161
- Published applications
- 38
- Assignees
- 55
- Inventors
- 261
- Latest grant
- 1 Dec 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 13 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 14 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 8 |
| 2002 | 12 | 5 |
| 2003 | 4 | 5 |
| 2004 | 8 | 3 |
| 2005 | 3 | 7 |
| 2006 | 3 | 1 |
| 2007 | 5 | 2 |
| 2008 | 2 | 1 |
| 2009 | 2 | 0 |
| 2010 | 1 | 3 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Television schedule system1,133US 5,353,121 AStarsight Telecast, Inc. · 1994
- System and process for VCR scheduling1,066US 4,977,455 AInsight Telecast, Inc. · 1990
- User interface for television schedule system1,011US 5,479,268 AStarsight Telecast, Inc. · 1995
- Background television schedule system738US 5,532,754 AStarsight Telecast, Inc. · 1996
- User interface for television schedule system596US 5,479,266 AStarsight Telecast, Inc. · 1995