H04N 1/40043
Using more than one type of modulation
Official title: {using more than one type of modulation, e.g. pulse width modulation and amplitude modulation}
H04N1/40043 (Using more than one type of modulation) appears on 90 US grants and 22 published applications in this corpus.
Search patents in H04N- Granted patents
- 90
- Published applications
- 22
- Assignees
- 40
- Inventors
- 195
- Latest grant
- 21 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 4 |
| 2003 | 5 | 4 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 3 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 3 |
| 2020 | 1 | 0 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for obtaining a uniform ink layer21 Nov 2023US 11,825,056 B2Esko Software BV
- System and method for obtaining a uniform ink layer12 Jul 2022US 11,388,311 B2ESKO Software BVBA
- Obtaining printed element data of patches to determine calibration data of a printer27 Apr 2021US 10,992,840 B2HP Indigo B. V.
- Image forming apparatus that controls light intensity for exposure9 Feb 2021US 10,915,037 B2Canon Kabushiki Kaisha
- Method and system for amplitude modulated screening and protecting printouts, computer program, printing device and printed product15 Sep 2020US 10,778,868 B2Heidelberg Polska Sp z o.o
- System and method for obtaining a uniform ink layer27 Oct 2022US 2022/0345587 A1Esko Software BV
- System and method for obtaining a uniform ink layer9 Dec 2021US 2021/0385353 A1ESKO Software BVBA
- Obtaining print data29 Aug 2019US 2019/0268503 A1HP Indigo B. V.
- Method and system for amplitude modulated screening and protecting printouts, computer program, printing device and printed product28 Mar 2019US 2019/0098173 A1Heidelberg Polska Sp z o.o
- Print engine with print-mode-dependent pulse timing functions3 Jan 2019US 2019/0005362 A1Eastman Kodak Company
Most cited
By later US patents
- Ink jet printer and ink jet printing method175US 6,328,395 B1Seiko Epson Corporation · 2001
- System and method for achieving gray scale DMD operation75US 5,105,207 ATexas Instruments Incorporated · 1992
- Gray tone generation71US 3,977,007 ATeletype Corporation · 1976
- Method and apparatus for printing stroke and contone data together67US 5,459,492 ATexas Instruments Incorporated · 1995
- Image forming system using digital ASIC and analog ASIC for processing image data and controlling semiconductor laser, and half-tone pixel representing method57US 5,784,091 ARicoh Company, Ltd. · 1998