H03M 11/20
Dynamic coding, i.e. by key scanning
Official title: Dynamic coding, i.e. by key scanning (H03M11/26 takes precedence)
H03M11/20 (Dynamic coding, i.e. by key scanning) appears on 251 US grants and 122 published applications in this corpus.
Search patents in H03M- Granted patents
- 251
- Published applications
- 122
- Assignees
- 174
- Inventors
- 421
- Latest grant
- 22 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 5 | 0 |
| 1978 | 16 | 0 |
| 1979 | 5 | 0 |
| 1980 | 11 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 10 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 2 |
| 2002 | 3 | 5 |
| 2003 | 4 | 8 |
| 2004 | 4 | 8 |
| 2005 | 4 | 2 |
| 2006 | 7 | 10 |
| 2007 | 6 | 9 |
| 2008 | 8 | 11 |
| 2009 | 4 | 10 |
| 2010 | 7 | 12 |
| 2011 | 7 | 9 |
| 2012 | 9 | 3 |
| 2013 | 10 | 5 |
| 2014 | 4 | 2 |
| 2015 | 5 | 2 |
| 2016 | 3 | 4 |
| 2017 | 3 | 9 |
| 2018 | 6 | 2 |
| 2019 | 2 | 3 |
| 2020 | 2 | 1 |
| 2021 | 2 | 3 |
| 2022 | 2 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Key scanning method and input device implemented therewith22 Oct 2024US 12,124,638 B2Darfon Electronics Corp.
- Key determination method for metal key19 Sep 2023US 11,762,480 B2Mettler-Toledo (Changzhou) Measurement Technology Ltd.
- Method for setting layout for physical keyboard by electronic device, and device therefor21 Feb 2023US 11,586,352 B2Samsung Electronics Co., Ltd.
- System, apparatus, and method for controlling an electronic device5 Apr 2022US 11,296,721 B1AAEON Electronics, Inc.
- Key scanning method, scan method for key scan circuit, and input device implemented therewith29 Mar 2022US 11,290,126 B2Darfon Electronics Corp.
- Key determination method for metal key2 Feb 2023US 2023/0033782 A1Mettler-Toledo (Changzhou) Measurement Technology Ltd.
- Key scanning method and input device implemented therewith2 Jun 2022US 2022/0171472 A1Darfon Electronics Corp.
- Method for setting layout for physical keyboard by electronic device, and device therefor2 Sep 2021US 2021/0271386 A1Samsung Electronics Co., Ltd.
- Key scanning method, scan method for key scan circuit, and input device implemented therewith26 Aug 2021US 2021/0266012 A1Darfon Electronics Corp.
- Method for scanning keyboard circuit1 Apr 2021US 2021/0096658 A1Realtek Semiconductor Corp.
Most cited
By later US patents
- Operator controlled programmable keyboard apparatus196US 4,200,913 AInternational Business Machines Corporation · 1980
- Method and apparatus for capacitive keyboard scanning148US 4,651,133 AAT&T Technologies, Inc. · 1987
- Adaptive keypad107US 5,510,783 AInterlink Electronics, Inc. · 1996
- Touch display to digital encoding system105US 4,110,749 ATektronix, Inc. · 1978
- Interactive device for data input into an instrument of small dimensions88US 4,242,676 ACentre Electronique Horloger S. A. · 1980