G04G 13/023
Adjusting the duration or amplitude of signals
Official title: {Adjusting the duration or amplitude of signals}
G04G13/023 (Adjusting the duration or amplitude of signals) appears on 76 US grants and 51 published applications in this corpus.
Search patents in G04G- Granted patents
- 76
- Published applications
- 51
- Assignees
- 54
- Inventors
- 156
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 0 | 0 |
| 1980 | 8 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 1 | 4 |
| 2014 | 4 | 6 |
| 2015 | 3 | 4 |
| 2016 | 4 | 6 |
| 2017 | 4 | 3 |
| 2018 | 1 | 1 |
| 2019 | 2 | 2 |
| 2020 | 4 | 5 |
| 2021 | 3 | 1 |
| 2022 | 1 | 1 |
| 2023 | 4 | 2 |
| 2024 | 4 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method and apparatus for automatically setting alarms and notifications30 Jan 2024US 11,889,016 B1Apple Inc.
- Organic-light emitting diode1 Oct 2026US 2026/0298429 A1Pictiva Displays International Limited
- Sound playback device, sound playback method, and sound playback program12 Feb 2026US 2026/0044120 A1Nintendo Co., Ltd.
- Alarm playback device, alarm playback method, and non-transitory computer readable medium12 Feb 2026US 2026/0044121 A1Nintendo Co., Ltd.
- Sound playback device, sound playback method, and non-transitory computer readable medium22 Jan 2026US 2026/0023349 A1Nintendo Co., Ltd.
- Organic-light emitting diode10 Apr 2025US 2025/0116381 A1Pictiva Displays International Limited
Most cited
By later US patents
- Lamp and alarm clock with gradually increasing light or sounds106US 6,236,622 B1Verilux, Inc. · 2001
- Adaptive wearable device for controlling an alarm based on user sleep state34US 9,019,106 B2Google Technology Holdings LLC · 2015
- Organic-light-emitting diode and luminaire23US 9,797,567 B2OSRAM OLED GmbH · 2017
- Electronic alarm watch17US 3,946,549 AUranus Electronics, Inc. · 1976
- Radio receiving with microprocessor control16US 5,483,689 ABose Corporation · 1996