H04W 52/0293
Having a sub-controller with a low clock frequency switching on and off
Official title: {having a sub-controller with a low clock frequency switching on and off a main controller with a high clock frequency}
H04W52/0293 (Having a sub-controller with a low clock frequency switching on and off) appears on 131 US grants and 115 published applications in this corpus.
Search patents in H04W- Granted patents
- 131
- Published applications
- 115
- Assignees
- 92
- Inventors
- 295
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 6 | 5 |
| 2003 | 0 | 8 |
| 2004 | 8 | 4 |
| 2005 | 2 | 6 |
| 2006 | 5 | 8 |
| 2007 | 5 | 9 |
| 2008 | 4 | 3 |
| 2009 | 6 | 6 |
| 2010 | 5 | 5 |
| 2011 | 6 | 3 |
| 2012 | 2 | 4 |
| 2013 | 6 | 8 |
| 2014 | 7 | 6 |
| 2015 | 6 | 4 |
| 2016 | 3 | 6 |
| 2017 | 6 | 1 |
| 2018 | 4 | 6 |
| 2019 | 7 | 4 |
| 2020 | 6 | 4 |
| 2021 | 4 | 4 |
| 2022 | 4 | 4 |
| 2023 | 7 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reference signal in disconnected mode24 Mar 2026US 12,587,961 B2Sony Group Corporation
- Low power wake on radio7 Jan 2025US 12,192,903 B2Silicon Laboratories Inc.
- Post-event modification of local clock values in water distribution system17 Oct 2023US 11,792,734 B2McWane, Inc.
- Method of receiver window widening and autodrift calculation using packet timestamping3 Oct 2023US 11,777,862 B2NXP B. V.
- Method and apparatus for selectable high performance or low power processor system12 Sep 2023US 11,755,096 B2Silicon Laboratories Inc.
- Power management device27 Mar 2025US 2025/0106777 A1SKAIChips Co., Ltd.
- Channel state information reporting during discontinuous reception inactive periods using low-power wake up receiver13 Mar 2025US 2025/0088241 A1QUALCOMM Incorporated
- An energy efficient proximity awareness device2 May 2024US 2024/0147367 A1
- Reference signal in disconnected mode16 Mar 2023US 2023/0084343 A1Sony Group Corporation
- Electronic device functionality in low power mode2 Mar 2023US 2023/0061200 A1Apple Inc.
Most cited
By later US patents
- Controlling power consumption of a mobile device based on gesture recognition1,214US 9,086,875 B2QUALCOMM Incorporated · 2015
- GPS receiver having a low power standby mode424US 5,592,173 ATrimble Navigation Limited · 1997
- Wake up device for a communications system291US 5,790,946 A1998
- Communication device with a self-calibrating sleep timer148US 6,473,607 B1Broadcom Corporation · 2002
- Low power digital receiver147US 4,910,752 AMotorola, Inc. · 1990