G07C 2009/0038
Whereby the wake-up circuit is situated in the keyless data carrier
Official title: {whereby the wake-up circuit is situated in the keyless data carrier}
G07C2009/0038 (Whereby the wake-up circuit is situated in the keyless data carrier) appears on 76 US grants and 87 published applications in this corpus.
Search patents in G07C- Granted patents
- 76
- Published applications
- 87
- Assignees
- 58
- Inventors
- 210
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 0 | 1 |
| 2003 | 1 | 5 |
| 2004 | 3 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 4 |
| 2015 | 3 | 5 |
| 2016 | 6 | 2 |
| 2017 | 3 | 7 |
| 2018 | 7 | 7 |
| 2019 | 11 | 18 |
| 2020 | 12 | 5 |
| 2021 | 5 | 6 |
| 2022 | 6 | 4 |
| 2023 | 2 | 5 |
| 2024 | 4 | 2 |
| 2025 | 5 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wireless key for unlocking a vehicle and/or for enabling a function of the vehicle1 Sep 2026US 12,725,474 B2Marquardt GmbH
- Beacon circuit for use with electronic locks9 Sep 2025US 12,412,438 B2Assa Abloy AB
- Smart key device26 Aug 2025US 12,400,499 B2Inventec Corporation
- Electronic key system29 Jul 2025US 12,370,978 B2Denso Corporation
- Communication device, smart key device, and communication method1 Apr 2025US 12,263,809 B2DENSO TEN Limited
- Vehicle access system and operating method thereof9 Jul 2026US 2026/0192777 A1NXP B. V.
- Portable device and mode control method30 Apr 2026US 2026/0116343 A1Denso Corporation
- Beacon circuit for use with electronic locks4 Dec 2025US 2025/0371921 A1Assa Abloy AB
- Wireless key for unlocking a vehicle and/or for enabling a function of the vehicle21 Aug 2025US 2025/0265877 A1Marquardt GmbH
- Smart key device6 Mar 2025US 2025/0078591 A1Inventec Corporation
Most cited
By later US patents
- Multi-frequency radio frequency transmitter with code learning capability139US 6,181,255 B2The Chamberlain Group, Inc. · 2001
- Keyless vehicle entry system employing portable transceiver having low power consumption74US 5,838,257 ATRW Inc. · 1998
- Remote system for providing vehicle information to a user69US 6,724,322 B2Lear Corporation · 2004
- Operator intent based passive keyless vehicle control system68US 6,034,617 AEaton Corporation · 2000
- Transmitting and receiving method, especially for detecting an ID transmitter37US 7,023,321 B2Siemens Aktiengesellschaft · 2006