H04N 1/0443
Varying the scanning velocity or position
Official title: {Varying the scanning velocity or position}
H04N1/0443 (Varying the scanning velocity or position) appears on 170 US grants and 91 published applications in this corpus.
Search patents in H04N- Granted patents
- 170
- Published applications
- 91
- Assignees
- 68
- Inventors
- 309
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 13 | 0 |
| 1994 | 9 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 5 |
| 2002 | 8 | 5 |
| 2003 | 13 | 8 |
| 2004 | 4 | 8 |
| 2005 | 4 | 6 |
| 2006 | 1 | 4 |
| 2007 | 5 | 4 |
| 2008 | 3 | 10 |
| 2009 | 8 | 4 |
| 2010 | 5 | 4 |
| 2011 | 3 | 1 |
| 2012 | 4 | 2 |
| 2013 | 4 | 3 |
| 2014 | 1 | 5 |
| 2015 | 6 | 3 |
| 2016 | 4 | 3 |
| 2017 | 4 | 4 |
| 2018 | 2 | 2 |
| 2019 | 3 | 7 |
| 2020 | 6 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Reading device and image forming apparatus23 Jan 2024US 11,882,248 B2Ricoh Company, Ltd.
- Image signal processing device, image reading apparatus to extract line image data from an image signal when horizontal synchronization pulses are determined as normal, and a determination portion determines whether horizontal synchronization pulses are normal by comparing time differences between the input of the horizontal synchronization pulses and input of the reference pulses with a shift time28 Feb 2023US 11,595,540 B2KYOCERA Document Solutions Inc.
- Optical scanning apparatus, image projecting apparatus, and mobile object10 Nov 2020US 10,831,024 B2Ricoh Company, Ltd.
- Image forming apparatus for controlling image reading apparatus depending on image processing capability of the image forming apparatus, image reading apparatus, control method thereof, and storage medium25 Aug 2020US 10,757,288 B2Canon Kabushiki Kaisha
- Image forming apparatus performing halftone processing10 Oct 2024US 2024/0338542 A1Canon Kabushiki Kaisha
- Reading device and image forming apparatus20 Apr 2023US 2023/0121999 A1Ricoh Company, Ltd.
- Image signal processing device, image reading apparatus29 Sep 2022US 2022/0311899 A1KYOCERA Document Solutions Inc.
- Image reading apparatus, image forming apparatus and image reading method5 Dec 2019US 2019/0373133 A1Kabushiki Kaisha Toshiba
- Optical scanning apparatus, image projecting apparatus, and mobile object19 Sep 2019US 2019/0285886 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Direction scaling method and apparatus for image scanning resolution control194US 5,047,871 AHewlett-Packard Company · 1991
- Ink jet printer having multiple level grayscale printing87US 6,189,993 B1Xerox Corporation · 2001
- Dual mode laser printer74US 4,578,689 AData Recording Systems, Inc. · 1986
- Dual mode ink jet printer61US 4,864,328 ASpectra, Inc. · 1989
- Apparatus for multiple resolution scanning55US 5,946,110 AMicrotek Artix Corporation · 1999