H04N 2201/044
Moving a scanning element into cooperation with a calibration element
Official title: Moving a scanning element into cooperation with a calibration element, e.g. a grey-wedge mounted on the document support, or vice versa
H04N2201/044 (Moving a scanning element into cooperation with a calibration element) appears on 199 US grants and 174 published applications in this corpus.
Search patents in H04N- Granted patents
- 199
- Published applications
- 174
- Assignees
- 55
- Inventors
- 375
- Latest grant
- 8 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 9 |
| 2003 | 5 | 10 |
| 2004 | 11 | 9 |
| 2005 | 5 | 10 |
| 2006 | 7 | 9 |
| 2007 | 6 | 18 |
| 2008 | 10 | 12 |
| 2009 | 10 | 13 |
| 2010 | 13 | 8 |
| 2011 | 12 | 22 |
| 2012 | 8 | 13 |
| 2013 | 28 | 15 |
| 2014 | 22 | 10 |
| 2015 | 15 | 3 |
| 2016 | 3 | 1 |
| 2017 | 1 | 4 |
| 2018 | 0 | 3 |
| 2019 | 7 | 3 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Reading device, image forming apparatus, reference pattern reading method, and storage medium storing program code8 Sep 2020US 10,771,646 B2Ricoh Company, Ltd.
- Image processing device configured to make shading correction, non-transitory computer-readable computer medium storing image processing program for shading correction, and method of generating readout data using shading correction25 Feb 2020US 10,574,857 B2Seiko Epson Corporation
- Image reading apparatus19 Nov 2019US 10,484,572 B2Canon Denshi Kabushiki Kaisha
- Two-sided scanning device having brightness calibration components and scanning background components and office machine therewith15 Oct 2019US 10,447,867 B2Avision Inc.
- Image reading device and image forming apparatus27 Aug 2019US 10,397,425 B2Fuji Xerox Co., Ltd.
- Scan carriage of a print apparatus8 Jul 2021US 2021/0206105 A1Hewlett-Packard Development Company, L. P.
- Image processing device, non-transitory computer-readable computer medium storing image processing program, and method of generating readout data29 Aug 2019US 2019/0268497 A1Seiko Epson Corporation
- Reading device, image forming apparatus, reference pattern reading method, and storage medium storing program code30 May 2019US 2019/0166274 A1Ricoh Company, Ltd.
- Two-sided scanning device having brightness calibration components and scanning background components and office machine therewith3 Jan 2019US 2019/0007576 A1Avision Inc.
- Image reading apparatus13 Sep 2018US 2018/0262646 A1Canon Denshi Kabushiki Kaisha
Most cited
By later US patents
- Original carrier and image reader40US 6,088,084 AFuji Photo Film Co., Ltd. · 2000
- Fixed full width array scan head calibration apparatus39US 5,280,368 AXerox Corporation · 1994
- Multiple non-directional scanning38US 6,650,442 B1Umax Data Systems Inc. · 2003
- Image reading device and method31US 6,323,933 B1Fujitsu Limited · 2001
- Original reading apparatus and information processing apparatus with original reading apparatus28US 5,579,129 ACanon Kabushiki Kaisha · 1996