G11B 20/08
Pulse-modulation recording or reproducing
Official title: Pulse-modulation recording or reproducing (pulse-code-modulation recording G11B20/10)
G11B20/08 (Pulse-modulation recording or reproducing) appears on 22 US grants and 7 published applications in this corpus.
Search patents in G11B- Granted patents
- 22
- Published applications
- 7
- Assignees
- 18
- Inventors
- 59
- Latest grant
- 14 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 3 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pulse testing method and device, testing apparatus, and storage medium14 Jun 2022US 11,359,993 B2Zte Corporation
- Recording medium having EFM demodulation unit for adaptively re-aligning EFM demodulation point, device and method for playing the same25 May 2010US 7,724,635 B2Samsung Electronics Co., Ltd.
- Optical information recording medium, method of manufacturing the optical information recording medium, and method of and apparatus for recording/reproducing optical information24 Mar 2009US 7,507,523 B2Ricoh Company, Ltd.
- Double-attribute method of encoding and decoding magnetic data26 Jul 2005US 6,922,297 B2ProtoScience, Inc.
- Triple-attribute method of encoding and decoding magnetic data16 Nov 2004US 6,819,512 B2ProtoScience, Inc.
- Pulse testing method and apparatus, testing device, and storage medium29 Jul 2021US 2021/0231525 A1Zte Corporation
- Signal processing apparatus, signal processing method, and program13 Feb 2020US 2020/0051576 A1Sony Corporation
- Recording medium having EFM demodulation unit for adaptively re-aligning EFM demodulation point, device and method for playing the same10 Nov 2005US 2005/0249067 A1Samsung Electronics Co., Ltd.
- Double-attribute method of encoding and decoding magnetic data27 Jan 2005US 2005/0018336 A1ProtoScience, Inc.
- Triple-attribute method of encoding and decoding magnetic data19 Aug 2004US 2004/0160692 A1ProtoScience, Inc.
Most cited
By later US patents
- Video player/recorder with non-linear mark length modulation67US 4,222,072 ADiscovision Associates · 1980
- Method and device for recording an optical information carrier25US 6,205,102 B1U. S. Philips Corporation · 2001
- Apparatus for reading optically encoded soundtracks15US 5,231,627 ANational Film Board of Canada · 1993
- Method and device for recording a mark having a substantially constant number of pulses per unit length independent of writing speed on an optical information carrier15US 5,802,032 AU. S. Philips Corporation · 1998
- Method and device for recording an optical information carrier10US 6,751,513 B1Koninklijke Philips Electronics N. V. · 2004