G01D 5/34776
Absolute encoders with analogue or digital scales
Official title: {Absolute encoders with analogue or digital scales}
G01D5/34776 (Absolute encoders with analogue or digital scales) appears on 499 US grants and 468 published applications in this corpus.
Search patents in G01D- Granted patents
- 499
- Published applications
- 468
- Assignees
- 265
- Inventors
- 894
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 10 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 8 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 0 |
| 2002 | 6 | 8 |
| 2003 | 7 | 7 |
| 2004 | 11 | 13 |
| 2005 | 7 | 16 |
| 2006 | 14 | 18 |
| 2007 | 16 | 14 |
| 2008 | 7 | 28 |
| 2009 | 17 | 18 |
| 2010 | 15 | 8 |
| 2011 | 7 | 8 |
| 2012 | 7 | 15 |
| 2013 | 10 | 23 |
| 2014 | 13 | 23 |
| 2015 | 25 | 34 |
| 2016 | 26 | 20 |
| 2017 | 22 | 24 |
| 2018 | 24 | 19 |
| 2019 | 22 | 31 |
| 2020 | 24 | 42 |
| 2021 | 39 | 32 |
| 2022 | 18 | 14 |
| 2023 | 20 | 17 |
| 2024 | 17 | 15 |
| 2025 | 14 | 15 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical sensing assembly and encoder utilizing vernier effect and multi-stage position synthesis30 Jun 2026US 12,669,351 B2Delta Electronics, Inc.
- Optical sensing assembly and encoder23 Jun 2026US 12,663,297 B2Delta Electronics, Inc.
- Optical encoding system compensating assembly tolerance26 May 2026US 12,638,313 B2Pixart Imaging Inc.
- Encoder system and method for determining the reading head position in an encoder system28 Apr 2026US 12,613,113 B2Neura Robotics GmbH
- High resolution absolute vector encoder17 Feb 2026US 12,553,748 B2MOTX Ltd.
- A method for error detection on an image sensor and an absolute position measuring system for a passenger transportation system8 Oct 2026US 2026/0307940 A1Inventio AG
- Position encoder apparatus10 Sep 2026US 2026/0266631 A1Renishaw PLC
- Reflective photoelectric encoder18 Jun 2026US 2026/0168823 A1Suteng Innovation Technology Co., Ltd.
- Digital anthropometer and methods of use21 May 2026US 2026/0137302 A1Solutions Through Innovative Technologies, Inc.
- Phase shifter circuit of optical encoder26 Mar 2026US 2026/0088802 A1Pixart Imaging Inc.
Most cited
By later US patents
- Method and apparatus for ultra-high-sensitivity, incremental and absolute optical encoding145US 5,965,879 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1999
- Optical displacement sensor for infusion devices123US 7,498,563 B2DEKA Products Limited Partnership · 2009
- Encoder including a light detecting device having two signal processing sections for pixels in a first and second direction99US 7,781,726 B2Hamamatsu Photonics K.K. · 2010
- Rotary switch with reflector coded actuator drum95US 4,634,861 AGeneral Instrument Corporation · 1987
- Absolute encoder utilizing light of different wavelengths to reduce cross-talk92US 7,465,917 B2Avago Technologies General IP (Singapore) Pte. Ltd. · 2008