G04R 20/00
Setting the time according to the time information carried or implied by
Official title: Setting the time according to the time information carried or implied by the radio signal
G04R20/00 (Setting the time according to the time information carried or implied by) appears on 874 US grants and 934 published applications in this corpus.
Search patents in G04R- Granted patents
- 874
- Published applications
- 934
- Assignees
- 293
- Inventors
- 1,227
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 19 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 16 | 6 |
| 2002 | 13 | 17 |
| 2003 | 12 | 18 |
| 2004 | 5 | 22 |
| 2005 | 12 | 44 |
| 2006 | 15 | 29 |
| 2007 | 11 | 27 |
| 2008 | 25 | 49 |
| 2009 | 26 | 44 |
| 2010 | 29 | 36 |
| 2011 | 31 | 45 |
| 2012 | 40 | 52 |
| 2013 | 50 | 43 |
| 2014 | 33 | 40 |
| 2015 | 48 | 52 |
| 2016 | 52 | 73 |
| 2017 | 48 | 61 |
| 2018 | 44 | 55 |
| 2019 | 38 | 47 |
| 2020 | 44 | 47 |
| 2021 | 29 | 41 |
| 2022 | 33 | 24 |
| 2023 | 43 | 21 |
| 2024 | 25 | 23 |
| 2025 | 25 | 8 |
| 2026 | 16 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G04R 20/02The radio signal being sent by a satellite436
- G04R 20/08The radio signal being broadcast from a long-wave call sign195
- G04R 20/14The radio signal being a telecommunication standard signal130
- G04R 20/26The radio signal being a near-field communication signal126
- G04R 20/20The radio signal being an am/fm standard signal28
Recent patents
- Electronic timepiece and information acquisition method15 Sep 2026US 12,736,925 B2Casio Computer Co., Ltd.
- Auxiliary precision timekeeper for GPS receiver15 Sep 2026US 12,736,926 B2BAE Systems Information and Electronic Systems Integration Inc.
- Systems and methods for hyper-precise time operations28 Jul 2026US 12,696,228 B2Verizon Patent and Licensing Inc.
- Electronic control unit clock14 Jul 2026US 12,679,403 B1Zoox, Inc.
- Electronic timepiece, storage medium storing program, and time correction method16 Jun 2026US 12,656,741 B2Casio Computer Co., Ltd.
- Space vehicle time considering special relativity24 Sep 2026US 2026/0288084 A1Raytheon Company
- Electronic timepiece, storage medium storing program, and time correction method17 Sep 2026US 2026/0277165 A1Casio Computer Co., Ltd.
- Satellite signal propagation delay test device20 Aug 2026US 2026/0244163 A1Viavi Solution Inc.
- Data Logging In Aerial Platform13 Aug 2026US 2026/0237255 A1Skydio, Inc.
- Reception device and method for controlling reception device13 Aug 2026US 2026/0239243 A1Sony Group Corporation
Most cited
By later US patents
- GPS based time determining system and method686US 5,724,316 ADelco Electronics Corporation · 1998
- Television schedule information transmission and utilization system and process505US 5,619,274 AStarsight Telecast, Inc. · 1997
- Method and apparatus for satellite positioning system based time measurement436US 5,812,087 ASnapTrack, Inc. · 1998
- Television schedule information transmission and utilization system and process379US 5,790,198 AStarsight Telecast, Inc. · 1998
- Watch pager system and communication protocol319US 4,713,808 AA T & E Corporation · 1987