H04N 2201/04749
Detecting position relative to a gradient
Official title: Detecting position relative to a gradient, e.g. using triangular-shaped masks, marks or gratings
H04N2201/04749 (Detecting position relative to a gradient) appears on 96 US grants and 41 published applications in this corpus.
Search patents in H04N- Granted patents
- 96
- Published applications
- 41
- Assignees
- 38
- Inventors
- 150
- Latest grant
- 21 Oct 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 2 |
| 2002 | 10 | 6 |
| 2003 | 3 | 6 |
| 2004 | 11 | 5 |
| 2005 | 2 | 4 |
| 2006 | 6 | 4 |
| 2007 | 2 | 2 |
| 2008 | 3 | 4 |
| 2009 | 0 | 1 |
| 2010 | 3 | 3 |
| 2011 | 5 | 1 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 4 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Image processing apparatus and method for correcting image distortion using correction value21 Oct 2014US 8,867,097 B2Canon Kabushiki Kaisha
- Image forming apparatus1 Jul 2014US 8,767,028 B2Konica Minolta Business Technologies, Inc.
- Light scanning device, light scanning device production method, and color image forming apparatus11 Mar 2014US 8,670,013 B2Ricoh Company, Ltd.
- Detecting apparatus and image forming apparatus including the same7 Jan 2014US 8,626,042 B2Canon Kabushiki Kaisha
- Image forming apparatus, optical writing process control method, and optical writing process control program6 Nov 2012US 8,305,416 B2Ricoh Company, Ltd.
- Image processing apparatus, image processing method, and storage medium20 Jun 2013US 2013/0155428 A1Canon Kabushiki Kaisha
- Apparatus to control color registration and image density7 Jun 2012US 2012/0141146 A1Samsung Electronics Co., Ltd.
- Image forming apparatus15 Mar 2012US 2012/0062683 A1Konica Minolta Business Technologies, Inc.
- Detecting apparatus and image forming apparatus including the same17 Nov 2011US 2011/0280595 A1Canon Kabushiki Kaisha
- Image forming apparatus, optical writing process control method, and optical writing process control program23 Sep 2010US 2010/0238261 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Universal computer input device237US 5,420,943 A1995
- Scan image target locator system for calibrating a printing system94US 5,642,202 AXerox Corporation · 1997
- Image reading apparatus for correct positioning of color component values of each picture element72US 5,892,595 ARicoh Company, Ltd. · 1999
- Image forming apparatus which corrects deviations between images of different colors70US 6,295,435 B1Ricoh Company, Ltd. · 2001
- Scan line queuing for high performance image correction54US 5,608,538 AInternational Business Machines Corporation · 1997