H04B 1/20
For coupling gramophone pick-up, recorder output, or microphone to receiver
Official title: for coupling gramophone pick-up, recorder output, or microphone to receiver
H04B1/20 (For coupling gramophone pick-up, recorder output, or microphone to receiver) appears on 944 US grants and 604 published applications in this corpus.
Search patents in H04B- Granted patents
- 944
- Published applications
- 604
- Assignees
- 381
- Inventors
- 1,694
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 14 | 0 |
| 1989 | 16 | 0 |
| 1990 | 12 | 0 |
| 1991 | 16 | 0 |
| 1992 | 20 | 0 |
| 1993 | 32 | 0 |
| 1994 | 27 | 0 |
| 1995 | 43 | 0 |
| 1996 | 52 | 0 |
| 1997 | 38 | 0 |
| 1998 | 54 | 0 |
| 1999 | 38 | 0 |
| 2000 | 35 | 0 |
| 2001 | 26 | 18 |
| 2002 | 32 | 38 |
| 2003 | 27 | 53 |
| 2004 | 29 | 44 |
| 2005 | 19 | 58 |
| 2006 | 38 | 62 |
| 2007 | 20 | 45 |
| 2008 | 26 | 49 |
| 2009 | 14 | 29 |
| 2010 | 22 | 21 |
| 2011 | 29 | 24 |
| 2012 | 28 | 21 |
| 2013 | 26 | 19 |
| 2014 | 27 | 21 |
| 2015 | 26 | 16 |
| 2016 | 15 | 17 |
| 2017 | 15 | 13 |
| 2018 | 16 | 8 |
| 2019 | 22 | 12 |
| 2020 | 7 | 14 |
| 2021 | 9 | 8 |
| 2022 | 9 | 1 |
| 2023 | 4 | 8 |
| 2024 | 4 | 3 |
| 2025 | 3 | 1 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ladder-type filter, and duplexer and modules with ladder-type filter16 Jun 2026US 12,658,890 B2Sanan Japan Technology Corporation
- Multi-channel audio receivers and transceivers in multi-user audio systems, methods of using the same14 Apr 2026US 12,604,205 B2Shure Acquisition Holdings, Inc.
- Distributed algorithm for automixing speech over wireless networks13 Jan 2026US 12,525,083 B2Shure Acquisition Holdings, Inc.
- Wireless radio switching4 Mar 2025US 12,245,003 B2Sonos, Inc.
- Methods and devices for signal detection and channel estimation, and associated computer program4 Feb 2025US 12,218,711 B2Fondation B-Com
- Distributed algorithm for automixing speech over wireless networks23 Jul 2026US 2026/0212719 A1Shure Acquisition Holdings, Inc.
- Wireless Radio Switching24 Jul 2025US 2025/0240585 A1Sonos, Inc.
- Ladder-type filter, and duplexer and modules with ladder-type filter11 Jul 2024US 2024/0235528 A9Sanan Japan Technology Corporation
- Ladder-type filter, and duplexer and modules with ladder-type filter25 Apr 2024US 2024/0137007 A1Sanan Japan Technology Corporation
- Wireless Radio Switching29 Feb 2024US 2024/0073635 A1Sonos, Inc.
Most cited
By later US patents
- Programmable remote control device for interacting with a plurality of remotely controlled devices1,549US 5,410,326 A1995
- Portable internet-enabled controller and information browser for consumer devices812US 6,104,334 AeRemote, Inc. · 2000
- Graphical user interface for interactive television with an animated agent733US 5,524,195 ASun Microsystems, Inc. · 1996
- Graphical user interface with method and apparatus for interfacing to remote devices720US 6,020,881 ASun Microsystems, Inc. · 2000
- Interface for a TV-VCR system671US 5,047,867 ANorth American Philips Corporation · 1991