H03D 1/2281
Using a phase locked loop
Official title: {using a phase locked loop (H03D1/2236 and H03D1/2254 take precedence)}
H03D1/2281 (Using a phase locked loop) appears on 18 US grants and 1 published applications in this corpus.
Search patents in H03D- Granted patents
- 18
- Published applications
- 1
- Assignees
- 15
- Inventors
- 28
- Latest grant
- 2 Apr 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Phase locked sampling radio receiver123US 4,346,477 AE-Systems, Inc. · 1982
- AM receiver36US 4,742,566 AU. S. Philips Corporation · 1988
- Phase-locked optical homodyne receiver22US 3,939,341 AHughes Aircraft Company · 1976
- Phase-locked loop for a directly mixing synchronous AM-receiver19US 4,631,499 AU. S. Philips Corporation · 1986
- Noise-squelching circuit using a phase-locked loop14US 3,939,425 ASony Corporation · 1976