G08B 13/2488
Timing issues
Official title: {Timing issues, e.g. synchronising measures to avoid signal collision, with multiple emitters or a single emitter and receiver}
G08B13/2488 (Timing issues) appears on 154 US grants and 49 published applications in this corpus.
Search patents in G08B- Granted patents
- 154
- Published applications
- 49
- Assignees
- 64
- Inventors
- 222
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 10 | 3 |
| 2002 | 0 | 6 |
| 2003 | 2 | 2 |
| 2004 | 4 | 2 |
| 2005 | 3 | 3 |
| 2006 | 1 | 0 |
| 2007 | 4 | 3 |
| 2008 | 2 | 1 |
| 2009 | 2 | 2 |
| 2010 | 1 | 3 |
| 2011 | 2 | 2 |
| 2012 | 1 | 2 |
| 2013 | 3 | 1 |
| 2014 | 2 | 2 |
| 2015 | 1 | 4 |
| 2016 | 4 | 2 |
| 2017 | 4 | 0 |
| 2018 | 2 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 3 |
| 2022 | 3 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 3 |
| 2025 | 0 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- System and method for detection of near moving radio frequency identification (RFID) tags17 Mar 2026US 12,579,875 B2Sensormatic Electronics Corporation
- Shopping container security system24 Feb 2026US 12,559,153 B2Rocateq USA, LLC
- System and method for increased exit interrogation of RFID tags22 Aug 2023US 11,735,019 B2Sensormatic Electronics Corporation
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- Electronic article surveillance (eas) using piezoelectronic components embedded in surveilled articles2 Jan 2025US 2025/0006029 A1Sensormatic Electronics Corporation
- Shopping container security system26 Dec 2024US 2024/0425096 A1Rocateq USA, LLC
- System and method for detection of near moving radio frequency identification (rfid) tags2 May 2024US 2024/0144798 A1Sensormatic Electronics Corporation
- Radio frequency identification (rfid) tag stray alarm mitigation8 Feb 2024US 2024/0046766 A1Sensormatic Electronics Corporation
- Active rfid tag and product surveillance method2 Sep 2021US 2021/0272433 A1Haltian Oy
Most cited
By later US patents
- Sensing with active electronic tags508US 5,892,441 APar Government Systems Corporation · 1999
- Detection of multiple articles321US 5,519,381 ABritish Technology Group Limited · 1996
- Surveillance system having magnetomechanical marker303US 4,510,489 AAllied Corporation · 1985
- Zone-Based asset tracking and control system204US 5,708,423 ASensormatic Electronics Corporation · 1998
- A multi-frequency resonant tag circuit for use with an electronic security system having improved noise discrimination203US 3,967,161 A1976