H04N 1/047
Detection, control or error compensation of scanning velocity or position
Official title: Detection, control or error compensation of scanning velocity or position ({H04N1/0402 and } H04N1/17 take precedence)
H04N1/047 (Detection, control or error compensation of scanning velocity or position) appears on 2,069 US grants and 1,109 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,069
- Published applications
- 1,109
- Assignees
- 359
- Inventors
- 2,981
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 8 | 0 |
| 1980 | 14 | 0 |
| 1981 | 19 | 0 |
| 1982 | 10 | 0 |
| 1983 | 13 | 0 |
| 1984 | 11 | 0 |
| 1985 | 16 | 0 |
| 1986 | 24 | 0 |
| 1987 | 33 | 0 |
| 1988 | 30 | 0 |
| 1989 | 63 | 0 |
| 1990 | 59 | 0 |
| 1991 | 44 | 0 |
| 1992 | 73 | 0 |
| 1993 | 51 | 0 |
| 1994 | 62 | 0 |
| 1995 | 53 | 0 |
| 1996 | 47 | 0 |
| 1997 | 45 | 0 |
| 1998 | 68 | 0 |
| 1999 | 70 | 0 |
| 2000 | 75 | 0 |
| 2001 | 82 | 29 |
| 2002 | 78 | 72 |
| 2003 | 56 | 72 |
| 2004 | 71 | 70 |
| 2005 | 47 | 71 |
| 2006 | 52 | 69 |
| 2007 | 42 | 64 |
| 2008 | 61 | 74 |
| 2009 | 59 | 79 |
| 2010 | 73 | 56 |
| 2011 | 56 | 56 |
| 2012 | 66 | 42 |
| 2013 | 72 | 40 |
| 2014 | 61 | 40 |
| 2015 | 42 | 30 |
| 2016 | 31 | 27 |
| 2017 | 24 | 28 |
| 2018 | 29 | 46 |
| 2019 | 46 | 24 |
| 2020 | 29 | 27 |
| 2021 | 20 | 26 |
| 2022 | 23 | 21 |
| 2023 | 14 | 10 |
| 2024 | 13 | 19 |
| 2025 | 6 | 9 |
| 2026 | 9 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image reading apparatus and image forming apparatus having inclined planar shape of background member to improve sheet shadow detection accuracy8 Sep 2026US 12,732,580 B2Canon Kabushiki Kaisha
- Image reading apparatus8 Sep 2026US 12,732,581 B2KYOCERA Document Solutions Inc.
- Image forming apparatus performing halftone processing shifting scan line start position in main-scan direction when scan lines are shifted in sub-scan direction relative to target21 Jul 2026US 12,689,697 B2Canon Kabushiki Kaisha
- Image reading device, and control method for image reading device correction control21 Jul 2026US 12,689,700 B2Seiko Epson Corporation
- Image reading apparatus and image forming apparatus30 Jun 2026US 12,671,774 B2Canon Kabushiki Kaisha
- Image reading apparatus and control method of image reading apparatus8 Oct 2026US 2026/0313056 A1Seiko Epson Corporation
- Image forming apparatus18 Jun 2026US 2026/0169409 A1KYOCERA Document Solutions Inc.
- Image reading device and image forming apparatus18 Jun 2026US 2026/0172518 A1Etria Co., Ltd.
- Scanning device and homing method of scanning device11 Jun 2026US 2026/0163990 A1Kinpo Electronics, Inc.
- Image processing apparatus control method and image processing apparatus4 Jun 2026US 2026/0156220 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Navigation technique for detecting movement of navigation sensors relative to an object318US 5,644,139 A1997
- Freehand image scanning device which compensates for non-linear movement312US 5,578,813 A1996
- Fully automatic rapid microscope slide scanner312US 6,711,283 B1Aperio Technologies, Inc. · 2004
- Image processing method and device247US 6,259,826 B1Hewlett-Packard Company · 2001
- Universal computer input device237US 5,420,943 A1995