H04M 11/068
Using time division multiplex techniques
Official title: {using time division multiplex techniques; (integrated services digital networks H04Q11/0428)}
H04M11/068 (Using time division multiplex techniques) appears on 161 US grants and 31 published applications in this corpus.
Search patents in H04M- Granted patents
- 161
- Published applications
- 31
- Assignees
- 81
- Inventors
- 235
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 8 | 0 |
| 1987 | 2 | 0 |
| 1988 | 10 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 12 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 2 |
| 2002 | 2 | 3 |
| 2003 | 5 | 3 |
| 2004 | 6 | 2 |
| 2005 | 2 | 5 |
| 2006 | 6 | 3 |
| 2007 | 5 | 0 |
| 2008 | 4 | 5 |
| 2009 | 2 | 0 |
| 2010 | 0 | 2 |
| 2011 | 3 | 1 |
| 2012 | 2 | 1 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods for real-time transmission of digital data using a plurality of channels18 Feb 2025US 12,231,229 B1TeleTracking Technologies, Inc.
- Systems and methods for real-time transmission of digital data using a plurality of channels5 Dec 2023US 11,838,112 B1TeleTracking Technologies, Inc.
- Systems and methods for real-time transmission of digital data using a plurality of channels3 May 2022US 11,323,196 B1TeleTracking Technologies, Inc.
- Modem signaling using a multitone prefix over a voice channel of a wireless communication system29 Dec 2015US 9,225,844 B2General Motors Corporation
- Methods and apparatus to protect and audit communication line status22 Apr 2014US 8,705,520 B2AT&T Intellectual Property I, L. P.
- Communication modem, electrical product, and method for controlling same2 Jun 2016US 2016/0156505 A1LG Electronics Inc.
- Communication system and electronic component mounting device3 Mar 2016US 2016/0065504 A1Fuji Machine Mfg. Co., Ltd.
- Communication modem, electrical product, and method for controlling same14 Aug 2014US 2014/0226465 A1LG Electronics Inc.
- Methods and apparatus to protect and audit communication line status25 Apr 2013US 2013/0100959 A1AT&T Intellectual Property I, L. P.
- Telephone communication system over a single telephone line6 Dec 2012US 2012/0307990 A1Mosaid Technologies Incorporated
Most cited
By later US patents
- Computer-based multifunction personal communications system375US 5,452,289 AMulti-Tech Systems, Inc. · 1995
- Network access in multi-service environment361US 5,991,292 ANortel Networks Limited · 1999
- Network server platform (NSP) for a hybrid coaxial/twisted pair local loop network service architecture334US 6,542,500 B1AT&T Corp. · 2003
- Method and apparatus for transmitting digital data and real-time digitalized voice information over a communications channel216US 4,813,040 A1989
- Video and data distribution module with subscriber terminal194US 4,430,731 AThe Manitoba Telephone System · 1984