H04W 88/187
Using digital or pulse address codes
Official title: {using digital or pulse address codes}
H04W88/187 (Using digital or pulse address codes) appears on 87 US grants and 10 published applications in this corpus.
Search patents in H04W- Granted patents
- 87
- Published applications
- 10
- Assignees
- 28
- Inventors
- 126
- Latest grant
- 27 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 6 | 0 |
| 1998 | 14 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 3 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Communication system27 Feb 2024US 11,917,690 B2NEC Corporation
- Communication system14 Sep 2021US 11,122,626 B2NEC Corporation
- Communication system31 Mar 2020US 10,609,733 B2NEC Corporation
- Systems and methods for information exchange and synchronization using DTMF over telephone communication channels11 Aug 2015US 9,106,767 B2Mist Silicon Limited Liability Company
- Systems and methods for information exchange and synchronization using DTMF over telephone communication channels17 Jan 2012US 8,098,801 B2Vertical Communications Acquisition Corp.
- Communication system30 Dec 2021US 2021/0410194 A1NEC Corporation
- Communication system22 Aug 2019US 2019/0261428 A1NEC Corporation
- Communication system28 Sep 2017US 2017/0280484 A1NEC Corporation
- Systems and Methods for Information Exchange and Synchronization Using DTMF Over Telephone Communication Channels7 Jun 2012US 2012/0142333 A1Mist Silicon Limited Liability Company
- Systems and methods for information exchange and synchronization using DTMF over telephone communication channels31 May 2007US 2007/0121830 A1Vertical Communications Acquisition Corp.
Most cited
By later US patents
- Paging system using message fragmentation to redistribute traffic339US 5,311,516 AMotorola, Inc. · 1994
- Watch pager system and communication protocol319US 4,713,808 AA T & E Corporation · 1987
- Method and apparatus in a radio messaging system for forming a current frame of data while maintaining a correct transmission order for numbered messages183US 5,974,054 AMotorola, Inc. · 1999
- Method for the transmission of digital data in radio paging systems and corresponding radio paging receiver164US 5,452,288 AFrance Telecom · 1995
- High capacity protocol with multistation capability161US 4,897,835 AAT&E Corporation · 1990