H04J 7/00
Multiplex systems in which the amplitudes or durations of the signals in
Official title: Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels
H04J7/00 (Multiplex systems in which the amplitudes or durations of the signals in) appears on 104 US grants and 53 published applications in this corpus.
Search patents in H04J- Granted patents
- 104
- Published applications
- 53
- Assignees
- 67
- Inventors
- 183
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 4 |
| 2006 | 1 | 2 |
| 2007 | 3 | 2 |
| 2008 | 3 | 1 |
| 2009 | 2 | 5 |
| 2010 | 0 | 2 |
| 2011 | 3 | 5 |
| 2012 | 1 | 0 |
| 2013 | 5 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 2 |
| 2018 | 4 | 2 |
| 2019 | 1 | 5 |
| 2020 | 4 | 4 |
| 2021 | 3 | 1 |
| 2022 | 3 | 6 |
| 2023 | 4 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sensor signaling of absolute and incremental data1 Oct 2024US 12,107,710 B2Allegro MicroSystems, LLC
- Network node, wireless device and methods therein for performing and handling superposed transmissions in a wireless communications network12 Sep 2023US 11,757,552 B2Telefonaktiebolaget LM Ericsson (publ)
- Signal processing device5 Sep 2023US 11,749,103 B2OMRON Corporation
- Recording medium and method9 May 2023US 11,646,914 B2OMRON Corporation
- Feeder link in data transport in wireless telecommunication systems14 Feb 2023US 11,582,003 B2Nokia Technologies Oy
- Control and monitoring signal transmission system27 Aug 2026US 2026/0254540 A1
- Control and monitoring signal transmission system23 Oct 2025US 2025/0330298 A1
- Feeder link data transport29 Sep 2022US 2022/0311573 A1Nokia Technologies Oy
- Signal processing device18 Aug 2022US 2022/0262234 A1OMRON Corporation
- Recording medium and method18 Aug 2022US 2022/0263689 A1OMRON Corporation
Most cited
By later US patents
- Method and apparatus for transporting auxiliary data in audio signals346US 5,822,360 ASolana Technology Development Corporation · 1998
- System for simultaneous analog and digital communications over an analog channel241US 5,410,541 AIvon International, Inc. · 1995
- Simultaneous analog and digital communication applications200US 5,537,436 AAT&T Corp. · 1996
- Method and apparatus for embedding auxiliary data in a primary data signal165US 5,937,000 ASolana Technology Development Corporation · 1999
- Multi-channel frequency converter having automatic control99US 3,944,931 AHitachi, Ltd. · 1976