H04N 1/32726
Signals other than facsimile protocol signals
Official title: {signals other than facsimile protocol signals, e.g. DTMF signals}
H04N1/32726 (Signals other than facsimile protocol signals) appears on 100 US grants and 25 published applications in this corpus.
Search patents in H04N- Granted patents
- 100
- Published applications
- 25
- Assignees
- 41
- Inventors
- 166
- Latest grant
- 27 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 10 | 0 |
| 1997 | 11 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 2 |
| 2003 | 1 | 3 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 3 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 3 |
| 2013 | 0 | 0 |
| 2014 | 3 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and system for distributing and receiving fax transmissions via a data connection that is owned by a service provider27 Jun 2023US 11,689,681 B2Consensus Cloud Solutions, LLC
- Communication apparatus and control method therefor5 Jan 2021US 10,887,475 B2KYOCERA Document Solutions Inc.
- Communication apparatus capable of remote setting by voice communication, control method, and program22 Dec 2020US 10,873,674 B2Canon Kabushiki Kaisha
- Facsimile apparatus, method of controlling the same, and storage medium3 Dec 2019US 10,498,923 B2Canon Kabushiki Kaisha
- Image communication apparatus capable of performing facsimile communication via IP network, method of controlling the same, and storage medium14 Aug 2018US 10,051,137 B2Canon Kabushiki Kaisha
- Method and system for distributing and receiving fax transmissions via a data connection that is owned by a service provider16 Mar 2023US 2023/0083081 A1J2 Cloud Services, LLC
- Communication apparatus and control method therefor11 Jun 2020US 2020/0186656 A1KYOCERA Document Solutions Inc.
- Communication apparatus capable of remote setting by voice communication, control method, and program12 Mar 2020US 2020/0084324 A1Canon Kabushiki Kaisha
- Facsimile apparatus, method of controlling the same, and storage medium7 Mar 2019US 2019/0075216 A1Canon Kabushiki Kaisha
- Image communication apparatus capable of performing facsimile communication via ip network, method of controlling the same, and storage medium30 Mar 2017US 2017/0094068 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Voice/facsimile/modem call discrimination method for voice over packet networks232US 7,126,711 B2Texas Instruments Incorporated · 2006
- Communication system for transmitting to a portable receiver data indicative of received image or voice signals154US 5,159,624 ASharp Kabushiki Kaisha · 1992
- Telephone message center137US 5,623,537 ALucent Technologies Inc. · 1997
- Additional system for automatic information reception terminal device utilizing telephone circuit90US 4,584,434 AHashimoto Corporation · 1986
- Multi-function telecommunications instrument78US 5,631,745 ACurrent Logic · 1997