H04N 2201/04701
Detection of scanning velocity or position
H04N2201/04701 (Detection of scanning velocity or position) appears on 1,646 US grants and 730 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,646
- Published applications
- 730
- Assignees
- 319
- Inventors
- 2,342
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 12 | 0 |
| 1980 | 17 | 0 |
| 1981 | 18 | 0 |
| 1982 | 12 | 0 |
| 1983 | 16 | 0 |
| 1984 | 15 | 0 |
| 1985 | 17 | 0 |
| 1986 | 23 | 0 |
| 1987 | 28 | 0 |
| 1988 | 27 | 0 |
| 1989 | 57 | 0 |
| 1990 | 57 | 0 |
| 1991 | 39 | 0 |
| 1992 | 65 | 0 |
| 1993 | 44 | 0 |
| 1994 | 55 | 0 |
| 1995 | 45 | 0 |
| 1996 | 42 | 0 |
| 1997 | 42 | 0 |
| 1998 | 57 | 0 |
| 1999 | 66 | 0 |
| 2000 | 61 | 0 |
| 2001 | 69 | 24 |
| 2002 | 73 | 62 |
| 2003 | 47 | 55 |
| 2004 | 60 | 53 |
| 2005 | 38 | 62 |
| 2006 | 43 | 62 |
| 2007 | 30 | 52 |
| 2008 | 59 | 66 |
| 2009 | 48 | 57 |
| 2010 | 61 | 39 |
| 2011 | 44 | 43 |
| 2012 | 55 | 37 |
| 2013 | 51 | 25 |
| 2014 | 47 | 18 |
| 2015 | 20 | 9 |
| 2016 | 15 | 7 |
| 2017 | 6 | 8 |
| 2018 | 7 | 14 |
| 2019 | 16 | 7 |
| 2020 | 8 | 7 |
| 2021 | 5 | 5 |
| 2022 | 3 | 6 |
| 2023 | 8 | 3 |
| 2024 | 3 | 3 |
| 2025 | 2 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 2201/0471Using dedicated detectorsIndexing code1,263
- H04N 2201/04715By detecting marks or the likeIndexing code772
- H04N 2201/04734Detecting at frequent intervalsIndexing code710
- H04N 2201/04732Detecting at infrequent intervalsIndexing code689
- H04N 2201/04744By detecting the scanned beam or a reference beamIndexing code665
- H04N 2201/04729In the main-scan directionIndexing code373
- H04N 2201/04731In the sub-scan directionIndexing code346
- H04N 2201/04703Using the scanning elements as detectorsIndexing code197
All 15 subgroupsShow fewer
- H04N 2201/04737By detecting the scanned medium directlyIndexing code150
- H04N 2201/04749Detecting position relative to a gradientIndexing code96
- H04N 2201/04739By detecting the scanning head or scanning carriageIndexing code89
- H04N 2201/04743By detecting the image directlyIndexing code78
- H04N 2201/04748By detecting synchronisation signals or driving signalsIndexing code62
- H04N 2201/04741By detecting the sheet support or the photoconductive surface directlyIndexing code29
- H04N 2201/04751Detecting position relative to a stepIndexing code29
Recent patents
- 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
- Systems and methods for performing a task on a material, or locating the position of a device relative to the surface of the material16 Dec 2025US 12,496,739 B2Shaper Tools, Inc.
- Scanner and production method for printing apparatus21 Jan 2025US 12,202,255 B2Seiko Epson Corporation
- Dual-axle linkage detection structure18 Jun 2024US 12,015,748 B2Kinpo Electronics, Inc.
- Using pre-scan to improve scan speed by detecting a document loaded on the image reading apparatus26 Mar 2024US 11,943,407 B2Hewlett-Packard Development Company, L. P.
- Image reading apparatus and control method of image reading apparatus8 Oct 2026US 2026/0313056 A1Seiko Epson Corporation
- Scanning device and homing method of scanning device11 Jun 2026US 2026/0163990 A1Kinpo Electronics, Inc.
- Document conveying apparatus, image processing apparatus, and document conveying method14 May 2026US 2026/0135962 A1KYOCERA Document Solutions Inc.
- Systems and methods for performing a task on a material, or locating the position of a device relative to the surface of the material22 Jan 2026US 2026/0021603 A1Shaper Tools, Inc.
- Image forming system, non-transitory computer readable medium storing program, and image forming method25 Sep 2025US 2025/0298553 A1FUJIFILM Business Innovation Corp.
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