H04N 1/4056
The pattern varying in one dimension only
Official title: {the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]}
H04N1/4056 (The pattern varying in one dimension only) appears on 317 US grants and 78 published applications in this corpus.
Search patents in H04N- Granted patents
- 317
- Published applications
- 78
- Assignees
- 90
- Inventors
- 507
- Latest grant
- 27 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 10 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 15 | 0 |
| 1990 | 14 | 0 |
| 1991 | 17 | 0 |
| 1992 | 15 | 0 |
| 1993 | 19 | 0 |
| 1994 | 10 | 0 |
| 1995 | 18 | 0 |
| 1996 | 18 | 0 |
| 1997 | 11 | 0 |
| 1998 | 12 | 0 |
| 1999 | 10 | 0 |
| 2000 | 16 | 0 |
| 2001 | 8 | 2 |
| 2002 | 9 | 10 |
| 2003 | 6 | 8 |
| 2004 | 6 | 3 |
| 2005 | 7 | 6 |
| 2006 | 10 | 6 |
| 2007 | 5 | 2 |
| 2008 | 8 | 7 |
| 2009 | 2 | 3 |
| 2010 | 3 | 5 |
| 2011 | 2 | 3 |
| 2012 | 5 | 2 |
| 2013 | 7 | 2 |
| 2014 | 1 | 3 |
| 2015 | 5 | 1 |
| 2016 | 2 | 0 |
| 2017 | 3 | 7 |
| 2018 | 5 | 4 |
| 2019 | 2 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 3 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Digital halftoning with spiral dots27 Feb 2024US 11,915,072 B2AGFA Offset BV
- Image forming apparatus, image forming method, and recording medium define a folding lines to process user information in accordance with a position and a size of area in a template20 Sep 2022US 11,451,678 B2Ricoh Company, Ltd.
- Image forming apparatus, image forming system to determine image category for using first sheet and second sheets28 Apr 2020US 10,635,362 B2KYOCERA Document Solutions Inc.
- Image processing apparatus, method, and storage medium, that perform dither processing on first image data to generate second image data having pixels of varying density18 Feb 2020US 10,567,617 B2Canon Kabushiki Kaisha
- AM Screening10 Sep 2019US 10,410,100 B1Landa Corporation Ltd.
- Digital halftoning with spiral dots7 Jul 2022US 2022/0215213 A1Agfa NV
- Image forming apparatus, image forming method, and recording medium24 Mar 2022US 2022/0094800 A1Ricoh Company, Ltd.
- Memory device comprising coefficients for halftoning6 Jan 2022US 2022/0006919 A1Hewlett-Packard Development Company, L. P.
- Image forming apparatus, halftone processing method, and halftone processing program25 Jun 2020US 2020/0198363 A1Konica Minolta, Inc.
- Image forming apparatus and image forming system22 Nov 2018US 2018/0335984 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Gray scale printing using spatial light modulators85US 5,461,410 ATexas Instruments Incorporated · 1995
- Apparatus for generating an image from a digital video signal67US 4,800,442 ACanon Kabushiki Kaisha · 1989
- Three decision thresholding mode switch and method for mode selection66US 4,251,837 AInternational Business Machines Corporation · 1981
- Circuit for generating center pulse width modulated waveforms and non-impact printer using same59US 4,750,010 AEastman Kodak Company · 1988
- Driving equipment for multi-gradation level reproduction55US 4,368,491 ANippon Telegraph & Telephone Public Corporation · 1983