G11B 19/127
Involving detection of the number of sides
Official title: {involving detection of the number of sides, e.g. single or double, or layers, e.g. for multiple recording or reproducing layers}
G11B19/127 (Involving detection of the number of sides) appears on 51 US grants and 62 published applications in this corpus.
Search patents in G11B- Granted patents
- 51
- Published applications
- 62
- Assignees
- 26
- Inventors
- 116
- Latest grant
- 30 Jul 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 6 |
| 2004 | 0 | 5 |
| 2005 | 1 | 6 |
| 2006 | 4 | 14 |
| 2007 | 6 | 8 |
| 2008 | 3 | 8 |
| 2009 | 4 | 2 |
| 2010 | 12 | 5 |
| 2011 | 4 | 4 |
| 2012 | 3 | 3 |
| 2013 | 4 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical disc apparatus and optical disc discriminating method30 Jul 2013US 8,498,187 B2Hitachi Consumer Electronics Co., Ltd.
- Method and apparatus for determining the number of data layers in an optical disc16 Apr 2013US 8,422,346 B2Sunplus Technology Co., Ltd.
- Information recording and reproducing apparatus, program for controlling same, computer-readable storage medium, method for controlling information recording and reproducing apparatus, and information storage medium19 Mar 2013US 8,400,896 B2Sharp Kabushiki Kaisha
- Optical disk device and optical disk discriminating method26 Feb 2013US 8,385,179 B2Hitachi-LG Data Storage, Inc.
- Optical disk containing information about usability of recording layers and optical disk apparatus for reproducing the optical disk20 Nov 2012US 8,315,134 B2Sanyo Electric Co., Ltd.
- Optical disk apparatus10 May 2012US 2012/0113781 A1
- Optical Disk Device and Optical Disk Discriminating Method3 May 2012US 2012/0106313 A1Hitachi, Ltd.
- Information recording and reproducing apparatus, program for controlling same, computer-readable storage medium, method for controlling information recording and reproducing apparatus, and information storage medium5 Jan 2012US 2012/0002514 A1Sharp Kabushiki Kaisha
- Method and apparatus for determining the number of data layers in an optical disc22 Dec 2011US 2011/0310717 A1Sunplus Technology Co., Ltd.
- Optical disc apparatus and optical disc discriminating method1 Dec 2011US 2011/0292776 A1Hitachi Consumer Electronics Co., Ltd.
Most cited
By later US patents
- Compound objective lens having two focal points144US 5,446,565 AMatsushita Electric Industrial Co., Ltd. · 1995
- Optical recording medium capable of recording information data file139US 6,094,414 AKabushiki Kaisha Toshiba · 2000
- Recording medium and reproducing apparatus thereof107US 5,636,200 AKabushiki Kaisha Toshiba · 1997
- Compound objective lens having two focal points47US 5,815,293 AMatsushita Electric Industrial Co., Ltd. · 1998
- Disk having unique code for identifying its type for optical disk player and method for discriminating types thereof43US 6,608,804 B2Samsung Electronics Co., Ltd. · 2003