Source: http://www.google.com/patents/US7639584?dq=6985872
Timestamp: 2017-11-20 22:10:14
Document Index: 768602043

Matched Legal Cases: ['application No. 2004122401', 'application No. 2005111867', 'application No. 2006107926', 'application No. 2007135325', 'application No. 2007135326', 'Application No. 093120351', 'application No. 200710127832', 'application No. 200710162346', 'application No. 200710162347', 'application No. 2004122413', 'application No. 2006', 'application No. 2006', 'application No. 2006', 'application No. 2006', 'application No. 2007', 'application No. 2007', 'application No. 10', 'Application No. 2006', 'Application No. 438', 'application No. 05771159', 'application No. 07007648', 'application No. 07017410', 'application No. 07120273', 'Application No. 07016686']

Patent US7639584 - Recording medium, method of configuring control information thereof ... - Google Patents
A method of recording disc control information in a recordable optical disc including at least one recording layer is provided. Writing speed information and per writing speed write strategy are included in disc control information. The specified disc control information can be uniformly applied to efficiently...http://www.google.com/patents/US7639584?utm_source=gb-gplus-sharePatent US7639584 - Recording medium, method of configuring control information thereof, recording and/or reproducing method using the same, and apparatus thereof
Publication number US7639584 B2
Application number US 10/881,469
Also published as CA2474995A1, CA2474995C, US7460453, US7468937, US20050007920, US20070171790, US20070223345
Publication number 10881469, 881469, US 7639584 B2, US 7639584B2, US-B2-7639584, US7639584 B2, US7639584B2
Patent Citations (108), Non-Patent Citations (36), Referenced by (3), Classifications (25), Legal Events (3)
US 7639584 B2
A method of recording disc control information in a recordable optical disc including at least one recording layer is provided. Writing speed information and per writing speed write strategy are included in disc control information. The specified disc control information can be uniformly applied to efficiently cope with the record/playback of the optical disc. In configuring disc control information within a management area of an optical disc, the method includes recording a plurality of recording speed informations and a plurality of write strategies respectively associated with corresponding recording speeds within the disc control information wherein one of the recording speed informations is a basic recoding speed information.
Technological specifications are now being established for the global standardization of the Blu-ray disc, including standards are for the write-once Blu-ray disc (BD-WO). Meanwhile, a rewritable Blu-ray disc, known as the 1×-speed BD-RE and now being discussed, should be compatible with BD-RE discs expected to have higher writing speeds, i.e., the 2×-speed BD-RE and beyond. BD-WO specifications for high recording velocity are also in progress. Efficient solutions for coping with the high writing speed of a high-density optical disc are urgently needed, and the specifications established should ensure mutual compatibility.
Although the terminology used herein is well known for the most part, some terms have been chosen by the applicant, such that the present invention should be understood with the intended meanings of the terminology as used by the applicant. For example, the “disc control information” of a disc is recorded in a specified area, i.e., a recordable area of the disc or a prerecorded area (sometimes known as an embossed areamanufacturer, in which manufacturer data is recorded and where no further recording is possible), and includes information necessary for the playback of a recorded disc. Disc control information is called “disc information” or “DI” in relation to Blu-ray disc technology but is typically referred to as “physical format information” for DVD-RAM, DVD-RW, DVD+RW, DVD-R, and DVD+R discs. Hence, it should be apparent that the technical background of the present invention is equally applicable to physical format information.
In the CAV system, a disc is rotated at a constant speed such that the disc's inner and outer circumferences each have a rotational velocity corresponding to the length of the applied radius. For a Blu-ray disc, the velocity of the outer circumference is about 2.4 times greater than that of the inner circumference. Accordingly, if, for example, the recording on the inner circumference using a CAV system is performed at 1×-speed or 4×-speed, the outer circumference recording has to be performed at about 2.4×-speed or 9.6×-speed, respectively, and conversely, a 6×-speed recording on the outer circumference means that the inner circumference recording has to be performed at about 2.5×-speed. In other words, adoption of the CAV system requires a velocity differential between the disc's inner and outer circumferences, so that an optimal recording velocity and write strategy must be selected for recording according to the applicable disc location. Moreover, such information should be provided as specified disc information to utilize the optimal recording velocity and write strategy (WS) in a corresponding system.
Referring to FIG. 4A, each disc information sequence is determined by a sequence number and is recorded using one byte. For instance, the information is recorded in a fifth byte (i.e., the “DI frame sequence number in DI block,” which can be represented as 00h, 01h, 02h, 03h, 04h, 05h, 06h, or 07h) of the disc information, where a fifth byte of 00h or 07h indicates a first or eighth disc information, respectively. In another meaning, the byte (e.g., 5th byte) deciding the sequence of the disc information can be defined to mean not only the sequence but also an applicable recording velocity in a specific recording layer. For instance, ‘00h’ means 1× speed disc information of a first recording layer, ‘01h’ means 1× speed disc information of a second recording layer, and the like.
At optimal recording velocity, the basic recording speed information is written, and a basic recording speed generally starts at 2×-speed in a high-speed disc. As an applicable recording speed increases, so does the basic recording speed.
Relating to the optimal recording velocity (2× speed), the same information is preferably recorded in each disc information. Preferably, the maximum, minimum, and intermediate recording velocities are differently determined according to the maximum recording velocity value applicable by the corresponding disc information.
FIG. 4B shows a specific recording method for disc information having a plurality of per recording velocity information according to the present invention like FIG. 4A, in which disc information is written while maintaining compatibility with 1×-speed BD-RE disc information under discussion and in which there exists one intermediate recording velocity information for example.
For instance, if recording velocities to be represented are 1×-speed, 2×-speed, and 6×-speed, first, second, and third disc information mean the disc information for the first recording layer. The 1st disc information is 1×-speed disc information of the 1st recording layer and has a sequence number of ‘00h’. The corresponding recording velocity and write strategy are recorded in a previously promised location, whereby the recording velocity information is recorded in Nth˜(N+4)th bytes and the write strategy is recorded in Mth˜111th bytes.
The 2nd disc information is 2×speed disc information of the 1st recording layer and has a sequence number of ‘01h’. The corresponding recording velocity and write strategy are recorded in a previously promised location like the 1st disc information. The third disc information is 6× speed disc information of the 1st recording layer and has a sequence number of ‘02h’. The corresponding recording velocity and write strategy are recorded in a previously promised location like the 1st or 2nd disc information.
Meanwhile, 4th to 6th disc information mean disc information for 2nd recording layer. The 4th disc information is 1× speed disc information of the 2nd recording layer and has a sequence number of ‘03h’. The 5th disc information is 2× speed disc information of the 2nd recording layer and has a sequence number of ‘04h’. The 6th disc information is 6× speed disc information of the 2nd recording layer and has a sequence number of ‘05h’. The corresponding recording velocity and write strategy of each of the 4th to 6th disc information are recorded in the same location.
For instance, if a maximum recording velocity applicable by a disc is 6×-speed, disc information associated with 6× speed is read out. In case that the maximum recording velocity (Vmax) is 6×-speed, 2.5×-speed for a minimum recording velocity (Vmax/2.4) and 4.25× speed for an intermediate recording velocity (1.7 Vmin) are recorded within the disc information as well as write strategies for the respective recording velocities. A record/playback unit previously confirms the recording velocity and write strategy (WS), which will be applied to a specific area where a recording will be performed, thereby enabling to quickly cope with the write strategy (WS) in performing the recording on the corresponding area and to reduce probability of error occurrence using the optimal recording velocity.
In a specific area within the disc information, each recording velocity information allowed by a disc is represented by a specific bit to be recorded in a previously promised specific location within the disc information. For instance, if a corresponding disc needs four different recording velocity information per recording layer, 4-bits are allocated to one recording velocity each, recording velocity information for the first recording layer (Layer 0) is recorded in Nth and (N+1) th bytes within the disc information, and recording velocity information for 2nd recording layer Layer 1 is recorded in Mth and (M+1)th bytes within the disc information. If the disc has a single layer, the Mth and (M+1) th bytes are set to ‘zero’ value. If at least four kinds of different recording velocity information are required, bytes such as Nth byte, (N+1)th byte, (N+2)th byte, and the like are additionally allocated to use.
For instance, if recording velocities to be represented are 1× speed, 2× speed, 4× speed, and 8× speed, respectively, 1st disc information has a sequence number corresponding to ‘00h’ to represent a corresponding recording velocity by ‘0001b’ indicating 1× speed, 2nd disc information has a sequence number corresponding to ‘01h’ to represent a corresponding recording velocity by ‘0010b’ indicating 2× speed, 3rd disc information has a sequence number corresponding to ‘02h’ to represent a corresponding recording velocity by ‘0100b’ indicating 4× speed, and 4th disc information has a sequence number corresponding to ‘03h’ to represent a corresponding recording velocity by ‘1000b’ indicating 8× speed. In doing so, each recording velocity is represented by binary information. Hence, if 4-bits each is allocated, a maximum applicable recording velocity (represented by ‘1111b’) will be 15× speed. If the maximum applicable recording velocity exceeds 16× speed, at least 5-bits each should be allocated.
Since the single layer is shown in FIG. 6B, Mth and (M+1)th bytes representing recording velocity information for 2nd recording layer Layer 1 are set to ‘zero’ to be handled as unused information.
For instance, if recording velocities to be represented are 1× speed, 2× speed, 4× speed, and 8× speed, respectively, 1st disc information has a sequence number corresponding to ‘00h’ to represent a corresponding recording velocity by ‘0001b’ indicating 1× speed, 2nd disc information has a sequence number corresponding to ‘01h’ to represent a corresponding recording velocity by ‘0010b’ indicating 2× speed, 3rd disc information has a sequence number corresponding to ‘02h’ to represent a corresponding recording velocity by ‘001b’ indicating 4× speed, and 4th disc information has a sequence number corresponding to ‘03h’ to represent a corresponding recording velocity by ‘1000b’ indicating 8× speed. The 1st to 4th disc information are information for the 1st recording layer (Layer 0) and are recorded in Nth and (N+1)th bytes of disc information, and 4-bits represent each recording velocity by binary information.
Likewise, recording velocity information can be represented for 2nd recording layer in the same manner, which is recorded in Mth and (M+1)th bytes. Namely, 5th disc information has a sequence number corresponding to ‘04h’ to represent a corresponding recording velocity by ‘0001b’ indicating 1× speed, 6th disc information has a sequence number corresponding to ‘05h’ to represent a corresponding recording velocity by ‘0010b’ indicating 2× speed, 7th disc information has a sequence number corresponding to ‘06h’ to represent a corresponding recording velocity by ‘0100b’ indicating 4× speed, and 8th disc information has a sequence number corresponding to ‘07h’ to represent a corresponding recording velocity by ‘1000b’ indicating 8× speed.
For instance, it is previously defined that ‘00h’ of 5th byte information means ‘1× speed disc information of 1st recording layer’ and that ‘07h’ of 5th byte information means ‘8× speed disc information of 2nd recording layer’. Four bits are allocated to each of the Nth, (N+1)th, Mth, and (M+1)th bytes so that an accurate recording velocity value is recorded as ‘0001b’ (1× speed) or ‘0100b’ (8× speed). Thus, it is reconfirmed that the corresponding disc information is 1×- or 8×-speed.
Namely, in the disc information of the present invention, one write strategy (WS) is recorded for a specific writing speed and a specific recording layer and the write strategy is optionally selected from various kinds of specified write strategy types by a disc manufacturer. Hence, if the corresponding disc information is a first type write strategy WS-1, ‘0000 0001’ is written in the Mth byte. If the corresponding disc information is a second type write strategy WS-2, ‘0000 0010’ is written in the Mth byte. And, substantial write strategy (WS) is recorded in Pth˜111th bytes. Yet, the substantial write strategy (WS) will be recoded as a value interoperating with the decided write strategy (WS) type in the Mth byte. The write strategy (WS) type via the Mth byte is optionally recordable in every disc information. And, it is also possible to apply one specified write strategy (WS) type in 1× speed disc information, which is expected to be supported by every record playback apparatus (FIG. 8), in a mandatory manner.
For example, by knowing that four writing speeds applicable by a disc exist if the Nth byte is ‘0000 1111’, and that two recording layers exist within the disc if the Lth byte is ‘0000 0010’, total eight disc information are needed so that the sequence will be ‘00h˜07h’. And, it is previously decided that disc information of ‘00h’, ‘01h’, ‘02h’, ‘03h’, ‘04h’, ‘05h’, ‘06h’, and ‘07h’ relate to ‘1× speed, 1st recording layer’, ‘2× speed, 2nd recording layer’, ‘2× speed, 1st recording layer’, ‘2× speed, 2nd recording layer’, ‘3rd writing speed, 1st recording layer’, ‘3rd writing speed, 2nd recording layer’, ‘4th writing speed, 1st recording layer’, and ‘4th writing speed, 2nd recording layer’, respectively.
FIG. 7C shows an example of recording disc information by the third embodiment of the present invention in FIG. 7A. It can be known that there are two (1×, 2×) applicable writing speeds from Nth byte (‘0000 0010b’) commonly recorded in the entire disc information and that two recording layers exist within a disc from Lth byte (‘0000 0010b’).
Hence, in the example of FIG. 7C, total four disc information (two recording layers*two writing speeds) exist and a sequence of the disc information becomes ‘00h’ (1×, L0)→‘01h’ (1×, L1)→‘02h’ (2×, L0)→‘03h’ (2×, L1). This is a specified content according to a predetermined sequence and, as mentioned in the foregoing description, can be rendered into a different sequence by a specification.
In the example in FIG. 7C, ‘00h’ (1×, L0) and ‘01h’ (1×, L1) relate to the application of a first type write strategy (WS-1) and ‘02h’ (2×, L0) and ‘03h’ (2×, L1) relate to the application of a second type write strategy (WS-2).
FIG. 7D shows another example of recording disc information according to the third embodiment of the present invention in FIG. 7A. It can be known that there are eight (1×, 2×, . . . , 16×) applicable writing speeds from Nth byte (‘1111 1111b’) commonly recorded in the entire disc information and that four recording layers exist within a disc from Lth byte (‘0000 0100b’). Hence, in the another example of FIG. 7D, total thirty-two disc information (four recording layers*eight writing speeds) exist and a sequence of the disc information becomes ‘00h’ (1×, L0)→‘01h’ (1×, L1)→‘02h’ (1×, L2)→‘03h’ (1×, L4)→‘04h’ (2×, L0)→ . . . →‘31h’ (16×, L4)
In the another example of FIG. 7D, if a record playback unit (FIG. 8) intends to search disc information related to 2×speed (2×, L0) of a first recording layer to perform a recording by applying a write strategy (WS) within the corresponding disc information, it can be known from the information in the Nth and Lth bytes commonly recorded in the entire disc information that total thirty-two disc information (four recording layers*eight writing speeds) exist in the corresponding disc according to the sequence of the disc information such as ‘00h’ (1×, L0)→‘01h’ (1×, L1)→‘02h’ (1×, L2)→‘03h’ (1×, L4)→‘04h’ (2×, L0)→ . . . →‘31h’ (16×, L4).
Hence, the record playback apparatus (FIG. 8) enables to recognize that the disc information related to the 2× speed (2×, L0) of the first recording layer to be searched is ‘04h’ and that the corresponding disc information (‘04h’) is recorded as the first type write strategy (WS-1_ from the write strategy (WS) type identification information (‘0000 0002b’) recorded in the Mth byte within the corresponding information (‘04h’), thereby reading out parameter values of the first type write strategy (WS-1) via the Pth˜111th bytes to utilize in the recording.
Likewise, if intending to search disc information related to 16×speed (16×, L3) of a fourth recording layer to perform recording by applying a write strategy (WS) within the corresponding disc information, the record playback unit (FIG. 8) recognizes that the corresponding disc information is ‘31h’ via the same process and that the write strategy type (WS) is the second type (WS-2), thereby enabling to utilize them in the recording.
US20020048648 Apr 12, 1999 Apr 25, 2002 Ryuichi Murasaki Molding method of molded surface fastener, molded surface fastener manufactured by the method, and molding apparatus thereof
US20020126604 * Nov 8, 2001 Sep 12, 2002 Powelson Judith C. Write compensation for data storage and communication systems
US20020126611 * Jan 8, 2001 Sep 12, 2002 Yung-Yu Chang Writing strategy for CD-RW
US20040004921 * Apr 18, 2003 Jan 8, 2004 Lee Kyung-Geun Optical information storage medium and method of and apparatus for recording data thereon
EP0522903A2 Jun 19, 1992 Jan 13, 1993 Sony Corporation Ribbon cartridge
JP2000163746A Title not available
JP2001052337A Title not available
2 International Search Report issued Sep. 10, 2004 in corresponding International Patent Application No. PCT/KR2004/001574.
3 Notice of Allowance for Russian patent application No. 2004122401/28 dated Aug. 12, 2009.
4 Notice of Allowance for Russian patent application No. 2005111867/28 dated May 14, 2009 (in English).
5 Notice of Allowance for Russian patent application No. 2006107926 dated Apr. 16, 2009 (with English translation).
6 Notice of Allowance for Russian patent application No. 2007135325 dated Apr. 13, 2009 (with English translation).
7 Notice of Allowance for Russian patent application No. 2007135326/28 dated Aug. 24, 2009.
8 Notice of Allowance for U.S. Appl. No. 10/880,663 dated Jun. 8, 2009.
9 Office Action dated Nov. 16, 2006 in corresponding Taiwanese Patent Application No. 093120351 and an English language translation of the same.
10 Office Action for Chinese patent application No. 200710127832X dated Dec. 5, 2008.
11 Office Action for Chinese patent application No. 200710162346.1 dated Sep. 4, 2009.
12 Office Action for Chinese patent application No. 200710162347.6 dated Sep. 4, 2009.
13 Office Action for counterpart Russian patent application No. 2004122413/28(024371) dated Jun. 23, 2008.
14 Office Action for counterpart U.S. Appl. No. 11/907,658 dated Feb. 25, 2009.
15 Office Action for counterpart U.S. Appl. No. 12/068,919 dated Mar. 5, 2009.
16 Office Action for Japanese patent application No. 2006-180280 dated Jan. 6, 2009.
17 Office Action for Japanese patent application No. 2006-187883 dated Dec. 26, 2008.
18 Office Action for Japanese patent application No. 2006-523133 dated Sep. 4, 2009.
19 Office Action for Japanese patent application No. 2006-523136 dated Mar. 17, 2009.
20 Office Action for Japanese patent application No. 2007-046127 dated Sep. 24, 2009.
21 Office Action for Japanese patent application No. 2007-081296 dated Sep. 1, 2009.
22 Office Action for Korean patent application No. 10-2003-0045824 dated Oct. 23, 2009.
23 Office Action for Malaysian patent application No. PI 20042673 dated Oct. 30, 2009.
24 Office Action for U.S. Appl. No. 10/880,663 dated Feb. 21, 2008.
25 Office Action for U.S. Appl. No. 10/883,797 dated Mar. 13, 2008.
26 Office Action for U.S. Appl. No. 11/907,661 dated Jun. 26, 2009.
27 Office Action for U.S. Appl. No. 12/068,919 dated Sep. 23, 2008.
28 Office Action issued Jan. 25, 2008 by the Japanese Patent Office in counterpart Japanese Patent Application No. 2006-523136.
29 Office Action issued Jan. 29, 2008 by the Indian Patent Office in counterpart Indian Patent Application No. 438/KOLNP/2006.
30 Search Report for corresponding European application dated Apr. 15, 2008.
31 Search Report for counterpart European patent application No. 05771159.0 dated Mar. 4, 2009.
32 Search Report for counterpart European patent application No. 07007648.4 dated Mar. 11, 2009.
33 Search Report for counterpart European patent application No. 07017410.7 dated Mar. 27, 2009.
34 Search Report for counterpart European patent application No. 07120273.3-2210/1923870 dated Jul. 2, 2008.
35 Search Report for counterpart international patent application No. PCT/KR2005/002518 dated Dec. 12, 2005.
36 Search report issued Oct. 22, 2007 by the European Patent Office in counterpart European Patent Application No. 07016686.3-2210.
US20080192599 * Sep 29, 2004 Aug 14, 2008 Eiji Muramatsu Information Recording Medium, Information Recording Device, and Method
U.S. Classification 369/59.25, 369/47.38, 369/47.36
International Classification G11B7/005, G11B20/10, G11B5/09, G11B7/0045
Cooperative Classification G11B19/26, G11B2020/1275, G11B2020/1279, G11B7/00456, G11B7/00736, G11B2020/1288, G11B2220/235, G11B20/1217, G11B19/12, G11B7/24038, G11B7/0062, G11B2220/2541, G11B2020/10981, G11B2220/237
European Classification G11B19/12, G11B19/26, G11B20/12D, G11B7/007R
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KIM, JIN YONG;SUH, SANG WOON;REEL/FRAME:015544/0001