H04N 1/00
Scanning, transmission or reproduction of documents or the like
Official title: Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
H04N1/00 (Scanning, transmission or reproduction of documents or the like) appears on 74,229 US grants and 67,083 published applications in this corpus.
Search patents in H04N- Granted patents
- 74,229
- Published applications
- 67,083
- Assignees
- 6,381
- Inventors
- 66,744
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 111 | 0 |
| 1977 | 118 | 0 |
| 1978 | 145 | 0 |
| 1979 | 103 | 0 |
| 1980 | 141 | 0 |
| 1981 | 193 | 0 |
| 1982 | 202 | 0 |
| 1983 | 215 | 0 |
| 1984 | 262 | 0 |
| 1985 | 351 | 0 |
| 1986 | 361 | 0 |
| 1987 | 597 | 0 |
| 1988 | 548 | 0 |
| 1989 | 726 | 0 |
| 1990 | 754 | 0 |
| 1991 | 765 | 0 |
| 1992 | 877 | 0 |
| 1993 | 934 | 0 |
| 1994 | 1029 | 0 |
| 1995 | 961 | 0 |
| 1996 | 1110 | 0 |
| 1997 | 1039 | 0 |
| 1998 | 1752 | 0 |
| 1999 | 1582 | 0 |
| 2000 | 1509 | 0 |
| 2001 | 1499 | 851 |
| 2002 | 1449 | 2510 |
| 2003 | 1518 | 2663 |
| 2004 | 1673 | 3040 |
| 2005 | 1495 | 3405 |
| 2006 | 2192 | 3391 |
| 2007 | 1962 | 3413 |
| 2008 | 2161 | 3279 |
| 2009 | 2195 | 3450 |
| 2010 | 2532 | 3064 |
| 2011 | 2699 | 2939 |
| 2012 | 3155 | 2644 |
| 2013 | 3507 | 2680 |
| 2014 | 3444 | 2899 |
| 2015 | 3204 | 2959 |
| 2016 | 2729 | 2958 |
| 2017 | 2760 | 3233 |
| 2018 | 2795 | 3124 |
| 2019 | 3130 | 2715 |
| 2020 | 2728 | 2442 |
| 2021 | 2117 | 2101 |
| 2022 | 2021 | 1942 |
| 2023 | 1864 | 1719 |
| 2024 | 1492 | 1430 |
| 2025 | 943 | 1331 |
| 2026 | 580 | 901 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 1/00127Connection or combination of a still picture apparatus with another apparatus17,543
- H04N 1/32Circuits or arrangements for control or supervision between transmitter and receiver or15,972
- H04N 1/46Colour picture communication systems15,166
- H04N 1/40Picture signal circuits11,533
- H04N 1/04Scanning arrangements , i.e. arrangements for the displacement of active reading or10,738
- H04N 1/0035User-machine interface10,195
- H04N 1/387Composing, repositioning or otherwise geometrically modifying originals4,804
- H04N 1/21Intermediate information storage4,579
All 29 subgroupsShow fewer
- H04N 1/00002Diagnosis, testing or measuring3,976
- H04N 1/00567Handling of original or reproduction media3,744
- H04N 1/024Details of scanning heads3,432
- H04N 1/00912Arrangements for controlling a still picture apparatus or components thereof not otherwise3,087
- H04N 1/00962Input arrangements for operating instructions or parameters3,047
- H04N 1/44Secrecy systems2,797
- H04N 1/00519Constructional details not otherwise provided for2,288
- H04N 1/00681Detecting the presence, position or size of a sheet or correcting its2,242
- H04N 1/00795Reading arrangements2,106
- H04N 1/23Reproducing arrangements1,977
- H04N 1/41Bandwidth or redundancy reduction1,640
- H04N 1/00885Power supply means1,639
- H04N 1/00838Preventing unauthorised reproduction1,311
- H04N 1/00095Systems or arrangements for the transmission of the picture signal979
- H04N 1/38Circuits or arrangements for blanking or otherwise eliminating unwanted parts of pictures478
- H04N 1/00976Arrangements for regulating environment403
- H04N 1/00832Recording use371
- H04N 1/0083Arrangements for transferring signals between different components of the apparatus341
- H04N 1/00909Cleaning arrangements or preventing or counter-acting contamination from dust or the like233
- H04N 1/42Systems for two-way working107
- H04N 1/00835Detecting external or ambient light50
Recent patents
- Document imaging apparatus with leading edge engagement for improved performance6 Oct 2026US 12,752,307 B2Opex Corporation
- Printing apparatus, printing method, and program6 Oct 2026US 12,752,547 B2Canon Kabushiki Kaisha
- Medium conveyance device and image reading device6 Oct 2026US 12,753,036 B2Seiko Epson Corporation
- Image forming system for inspecting a printed image6 Oct 2026US 12,754,504 B2Canon Kabushiki Kaisha
- Image processing apparatus capable of quickly reaching desired operation screen, image processing system, method of controlling image processing apparatus, and storage medium6 Oct 2026US 12,754,975 B2Canon Kabushiki Kaisha
- Additive manufacturing process for producing chemical delivery devices using screening8 Oct 2026US 2026/0307336 A1Genesee Valley Innovations, LLC
- Printing apparatus8 Oct 2026US 2026/0307405 A1Konica Minolta, Inc.
- Image forming apparatus8 Oct 2026US 2026/0310128 A1Sharp Kabushiki Kaisha
- Methods and systems for determining the authenticity of a component8 Oct 2026US 2026/0310831 A1Lexmark International, Inc.
- Detachable imprinter providing secure paper path between optical scanner and ballot box8 Oct 2026US 2026/0311536 A1Hart InterCivic, Inc.
Most cited
By later US patents
- Data communication method using mobile terminal2,157US 6,768,904 B2LG Electronics Inc. · 2004
- Droplet generating method and apparatus thereof1,847US 4,463,359 ACanon Kabushiki Kaisha · 1984
- Ink jet recording method1,590US 4,345,262 ACanon Kabushiki Kaisha · 1982
- Data transmission system and data transmitting method1,435US 8,140,417 B2Sharp Kabushiki Kaisha · 2012
- Apparatus and method for recording, communicating and administering digital images1,305US 6,038,295 ASiemens Aktiengesellschaft · 2000