G06K 7/08
Methods or arrangements for sensing record carriers: by means detecting the change
Official title: by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
G06K7/08 (Methods or arrangements for sensing record carriers: by means detecting the change) appears on 1,651 US grants and 1,216 published applications in this corpus.
Search patents in G06K- Granted patents
- 1,651
- Published applications
- 1,216
- Assignees
- 677
- Inventors
- 2,288
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 29 | 0 |
| 1978 | 26 | 0 |
| 1979 | 17 | 0 |
| 1980 | 26 | 0 |
| 1981 | 13 | 0 |
| 1982 | 22 | 0 |
| 1983 | 9 | 0 |
| 1984 | 8 | 0 |
| 1985 | 15 | 0 |
| 1986 | 18 | 0 |
| 1987 | 18 | 0 |
| 1988 | 12 | 0 |
| 1989 | 20 | 0 |
| 1990 | 12 | 0 |
| 1991 | 16 | 0 |
| 1992 | 18 | 0 |
| 1993 | 30 | 0 |
| 1994 | 24 | 0 |
| 1995 | 36 | 0 |
| 1996 | 19 | 0 |
| 1997 | 27 | 0 |
| 1998 | 28 | 0 |
| 1999 | 26 | 0 |
| 2000 | 24 | 0 |
| 2001 | 31 | 12 |
| 2002 | 22 | 26 |
| 2003 | 29 | 29 |
| 2004 | 25 | 24 |
| 2005 | 13 | 25 |
| 2006 | 18 | 31 |
| 2007 | 24 | 18 |
| 2008 | 17 | 28 |
| 2009 | 18 | 57 |
| 2010 | 24 | 22 |
| 2011 | 29 | 55 |
| 2012 | 35 | 35 |
| 2013 | 40 | 62 |
| 2014 | 56 | 71 |
| 2015 | 74 | 74 |
| 2016 | 89 | 104 |
| 2017 | 99 | 91 |
| 2018 | 87 | 91 |
| 2019 | 98 | 82 |
| 2020 | 75 | 74 |
| 2021 | 49 | 62 |
| 2022 | 56 | 42 |
| 2023 | 42 | 31 |
| 2024 | 31 | 28 |
| 2025 | 35 | 28 |
| 2026 | 16 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
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- Magnetically communicative card410US 5,834,756 AMotorola, Inc. · 1998
- Magnetically communicative card404US 6,206,293 B1Motorola, Inc. · 2001
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