G01D 5/249
Using pulse code
Official title: using pulse code
G01D5/249 (Using pulse code) appears on 410 US grants and 292 published applications in this corpus.
Search patents in G01D- Granted patents
- 410
- Published applications
- 292
- Assignees
- 271
- Inventors
- 818
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 14 | 0 |
| 1992 | 11 | 0 |
| 1993 | 10 | 0 |
| 1994 | 12 | 0 |
| 1995 | 13 | 0 |
| 1996 | 17 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 11 | 2 |
| 2002 | 6 | 4 |
| 2003 | 7 | 10 |
| 2004 | 13 | 19 |
| 2005 | 10 | 11 |
| 2006 | 16 | 13 |
| 2007 | 8 | 14 |
| 2008 | 13 | 10 |
| 2009 | 4 | 6 |
| 2010 | 6 | 9 |
| 2011 | 6 | 14 |
| 2012 | 7 | 10 |
| 2013 | 9 | 4 |
| 2014 | 9 | 12 |
| 2015 | 10 | 11 |
| 2016 | 8 | 9 |
| 2017 | 8 | 21 |
| 2018 | 9 | 8 |
| 2019 | 19 | 23 |
| 2020 | 18 | 20 |
| 2021 | 16 | 18 |
| 2022 | 16 | 11 |
| 2023 | 9 | 12 |
| 2024 | 19 | 9 |
| 2025 | 6 | 5 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Self-calibration method for positioning of light fixture and light fixture15 Sep 2026US 12,736,206 B2Guangzhou Haoyang Electronic Co., Ltd.
- Absolute encoder1 Sep 2026US 12,723,896 B2MINEBEA MITSUMI Inc.
- Optical encoder with comparator hysteresis changed with rotating speed and operating method thereof1 Sep 2026US 12,724,035 B2Pixart Imaging Inc.
- De Bruijn switch25 Aug 2026US 12,717,079 B2Psiquantum, Corp.
- Rotation determination device26 May 2026US 12,638,312 B2U-Shin Ltd.
- On-axis magnetic rotary encoder employing a field-enhancing magnetic assembly16 Jul 2026US 2026/0202219 A1
- Hvac actuator with inductive position sensing using patterns16 Jul 2026US 2026/0202222 A1Tyco Fire & Security GmbH
- Encoder and method for determining a rotational relative position between two components and robot having such an encoder14 May 2026US 2026/0133057 A1Schaeffler Technologies AG & Co. KG
- Inductive code detection26 Mar 2026US 2026/0086663 A1Azoteq Holdings Limited
- Electric motor rotor carrier with integrated position sensor ring5 Feb 2026US 2026/0039174 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Multi-bit encoder signal conditioning circuit having common mode disturbance compensation655US 5,291,133 AGeneral Motors Corporation · 1994
- Medication injector apparatus with drive assembly that facilitates reset365US 7,195,616 B2Eli Lilly and Company · 2007
- Magnetically coded device145US 5,631,093 AGeneral Motors Corporation · 1997
- Optical encoder using sufficient inactive photodetectors to make leakage current equal throughout136US 4,904,861 AHewlett-Packard Company · 1990
- Absolute digital position encoder with multiple sensors per track106US 5,519,393 ABouens, Inc. · 1996