H04N 1/32791
Arrangements for reducing the handshaking procedure or protocol time
Official title: {Arrangements for reducing the handshaking procedure or protocol time}
H04N1/32791 (Arrangements for reducing the handshaking procedure or protocol time) appears on 64 US grants and 33 published applications in this corpus.
Search patents in H04N- Granted patents
- 64
- Published applications
- 33
- Assignees
- 34
- Inventors
- 112
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 5 |
| 2003 | 3 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 3 | 2 |
| 2016 | 2 | 2 |
| 2017 | 2 | 3 |
| 2018 | 1 | 3 |
| 2019 | 2 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 2 | 2 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming apparatus is performing wireless communication in two modes and receiving trigger frame from access point, method, and non-transitory computer readable storage medium28 Oct 2025US 12,455,708 B2Canon Kabushiki Kaisha
- Image forming apparatus for determining a communication channel to be used in a wireless communication20 May 2025US 12,307,148 B2Canon Kabushiki Kaisha
- Image forming apparatus enables first wireless communication mode via access point and second wireless communication mode not via access point and to further receive trigger frame via the access point, method, and non-transitory computer-readable storage medium11 Jun 2024US 12,008,275 B2Canon Kabushiki Kaisha
- Image forming apparatus and communication system for performing wireless communication via an external access point26 Dec 2023US 11,853,632 B2Canon Kabushiki Kaisha
- Communication system, mobile terminal, method of controlling the mobile terminal, and storage medium11 Jul 2023US 11,700,343 B2Canon Kabushiki Kaisha
- Image forming apparatus, method, and medium29 Jan 2026US 2026/0029972 A1Canon Kabushiki Kaisha
- Image forming apparatus, method, and medium29 Aug 2024US 2024/0289071 A1Canon Kabushiki Kaisha
- Image forming apparatus14 Mar 2024US 2024/0086132 A1Canon Kabushiki Kaisha
- Image forming apparatus, method, and medium7 Sep 2023US 2023/0280953 A1Canon Kabushiki Kaisha
- Image forming apparatus7 Sep 2023US 2023/0280960 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Still picture picturephone communications system68US 4,943,994 ALuma Telecom, Inc. · 1990
- Method and apparatus for image transmission37US 4,719,514 ACanon Kabushiki Kaisha · 1988
- System and method for transmitting image data on a telephone network or equivalent37US 4,939,767 ASanyo Electric Co., Ltd. · 1990
- Data communication apparatus34US 4,910,506 ACanon Kabushiki Kaisha · 1990
- Facsimile communication method and apparatus for transmitting a predetermined portion of message data as a training check signal22US 4,727,429 AKabushiki Kaisha Toshiba · 1988