H03M 1/301
Constructional details of parts relevant to the encoding mechanism
Official title: {Constructional details of parts relevant to the encoding mechanism, e.g. pattern carriers, pattern sensors}
H03M1/301 (Constructional details of parts relevant to the encoding mechanism) appears on 57 US grants and 21 published applications in this corpus.
Search patents in H03M- Granted patents
- 57
- Published applications
- 21
- Assignees
- 48
- Inventors
- 99
- Latest grant
- 13 May 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 7 |
| 2005 | 4 | 3 |
| 2006 | 4 | 3 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical encoder readhead configured to block stray light with dummy vias13 May 2014US 8,723,103 B2Mitutoyo Corporation
- Rotation sensing device and portable electronic device having the same7 Jan 2014US 8,624,879 B2Hon Hai Precision Industry Co., Ltd.
- Integrated optical encoder18 Mar 2008US 7,345,273 B2Preh GmbH
- Optical encoder photodetector array with multiple resolutions27 Nov 2007US 7,301,142 B2Sharp Kabushiki Kaisha
- Optical displacement sensor and optical encoder5 Sep 2006US 7,102,759 B2Olympus Corporation
- Optical encoder readhead configured to block stray light9 May 2013US 2013/0112859 A1Mitutoyo Corporation
- Rotation sensing device and portable electronic device having the same10 Feb 2011US 2011/0032218 A1Hon Hai Precision Industry Co., Ltd.
- Magnetic encoder18 Nov 2010US 2010/0289487 A1
- Magnetic encoder6 Aug 2009US 2009/0195415 A1
- Magnetic encoder22 May 2008US 2008/0117083 A1
Most cited
By later US patents
- Optical encoder using sufficient inactive photodetectors to make leakage current equal throughout136US 4,904,861 AHewlett-Packard Company · 1990
- Reflective shaft angle encoder118US 4,952,799 AHewlett-Packard Company · 1990
- Apparatus for monitoring the speed and axial position of a rotating member115US 5,748,111 ACaterpillar Inc. · 1998
- Optical positional encoder comprising immediately adjacent detectors81US 4,691,101 AHewlett-Packard Company · 1987
- Position encoder for sliding door power drive system74US 5,039,925 AITT Corporation · 1991