G01S 7/6227
Plan-position indicators, i.e. p.p.i
Official title: {Plan-position indicators, i.e. P.P.I.}
G01S7/6227 (Plan-position indicators, i.e. p.p.i) appears on 9 US grants and 5 published applications in this corpus.
Search patents in G01S- Granted patents
- 9
- Published applications
- 5
- Assignees
- 6
- Inventors
- 34
- Latest grant
- 31 May 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Underwater detection device31 May 2016US 9,354,314 B2Furuno Electric Co., Ltd.
- System and method of using image grids in detection of discrete objects10 Dec 2013US 8,604,969 B2Raytheon Company
- Method of displaying underwater detection image and underwater detection device4 Jun 2013US 8,456,956 B2Furuno Electric Co., Ltd.
- Underwater detection system8 Sep 1998US 5,805,528 AFuruno Electric Co., Ltd.
- Lateral direction detection sonar22 Nov 1994US 5,367,498 A
- Sonar Type Object Detection System and its Implementing Method19 Mar 2015US 2015/0078132 A1
- Sonar type object detection system and its implementing method19 Mar 2015US 2015/0078134 A1
- Underwater detection device26 Dec 2013US 2013/0343151 A1Furuno Electric Co., Ltd.
- System and Method of Using Image Grids in Detection of Discrete Objects6 Oct 2011US 2011/0241930 A1Raytheon Company
- Method of displaying underwater detection image and underwater detection device11 Nov 2010US 2010/0284248 A1Furuno Electric Co., Ltd.
Most cited
By later US patents
- Underwater detection system36US 5,805,528 AFuruno Electric Co., Ltd. · 1998
- Imaging sonar system and method19US 4,347,591 A1982
- Sonar system with area moving target indicator12US 4,862,427 AKetema, Inc. · 1989
- Sonar simulation system using advanced digital to video conversion techniques9US 4,973,252 AThe United States of America as represented by the Secretary of the Navy · 1990
- Method and system for producing a PPI display5US 4,542,488 AMobil Oil Corporation · 1985