G08B 21/0202
Child monitoring systems using a transmitter-receiver system carried by the parent and
Official title: {Child monitoring systems using a transmitter-receiver system carried by the parent and the child}
G08B21/0202 (Child monitoring systems using a transmitter-receiver system carried by the parent and) appears on 3,064 US grants and 3,599 published applications in this corpus.
Search patents in G08B- Granted patents
- 3,064
- Published applications
- 3,599
- Assignees
- 1,355
- Inventors
- 5,814
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 16 | 0 |
| 1995 | 10 | 0 |
| 1996 | 20 | 0 |
| 1997 | 29 | 0 |
| 1998 | 32 | 0 |
| 1999 | 28 | 0 |
| 2000 | 44 | 0 |
| 2001 | 49 | 30 |
| 2002 | 51 | 66 |
| 2003 | 39 | 69 |
| 2004 | 39 | 98 |
| 2005 | 48 | 143 |
| 2006 | 113 | 157 |
| 2007 | 72 | 134 |
| 2008 | 81 | 142 |
| 2009 | 66 | 105 |
| 2010 | 77 | 112 |
| 2011 | 75 | 85 |
| 2012 | 83 | 124 |
| 2013 | 92 | 113 |
| 2014 | 113 | 196 |
| 2015 | 125 | 186 |
| 2016 | 123 | 203 |
| 2017 | 167 | 204 |
| 2018 | 210 | 174 |
| 2019 | 199 | 227 |
| 2020 | 232 | 215 |
| 2021 | 193 | 196 |
| 2022 | 155 | 179 |
| 2023 | 140 | 129 |
| 2024 | 133 | 126 |
| 2025 | 110 | 133 |
| 2026 | 48 | 53 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G08B 21/0269System arrangements wherein the object is to detect the exact location of829
- G08B 21/0205Specific application combined with child monitoring using a transmitter-receiver system747
- G08B 21/0241Data exchange details505
- G08B 21/0261System arrangements wherein the object is to detect trespassing over a fixed480
- G08B 21/0288Attachment of child unit to child/article450
- G08B 21/0277Communication between units on a local network422
- G08B 21/0227System arrangements with a plurality of child units396
- G08B 21/0272System arrangements wherein the object is to detect exact location of child390
All 23 subgroupsShow fewer
- G08B 21/028Communication between parent and child units via remote transmission means379
- G08B 21/0275Electronic article surveillance [eas] tag technology used for parent or child unit355
- G08B 21/023Power management311
- G08B 21/0286Tampering or removal detection of the child unit from child or article279
- G08B 21/0294Display details on parent unit208
- G08B 21/0266System arrangements wherein the object is to detect the exact distance between171
- G08B 21/0225Monitoring making use of different thresholds126
- G08B 21/0236Threshold setting115
- G08B 21/0263System arrangements wherein the object is to detect the direction in which111
- G08B 21/0222Message structure or message content107
- G08B 21/0216Alarm cancellation after generation88
- G08B 21/0291Housing and user interface of child unit80
- G08B 21/0238Adding new units to the system53
- G08B 21/0233System arrangements with pre-alarms47
- G08B 21/0219Circuit arrangements28
Recent patents
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- Monitoring and improving the driving behavior of teen drivers24 Sep 2026US 2026/0290202 A1Texas State University
- Electronic fence setting method and apparatus, and computer-readable storage medium10 Sep 2026US 2026/0268753 A1Zte Corporation
- Safety service system and method thereof10 Sep 2026US 2026/0268754 A1Thinkware Corporation
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- In-vehicle detection and safety alarm system27 Aug 2026US 2026/0253481 A1
Most cited
By later US patents
- Location dependent user matching system1,117US 6,618,593 B1RovingRadar, Inc. · 2003
- Reprogrammable remote sensor monitoring system789US 5,959,529 A1999
- Adaptable electronic monitoring and identification system760US 4,952,928 AB. I. Incorporated · 1990
- Association management in a wireless node network755US 8,989,053 B1Fedex Corporate Services, Inc. · 2015
- Individual location system682US 5,652,570 A1997