EP0655740A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Recording medium management method
Assignee: Sony Corp
•
Filing: 1994-06-14
•
Granted: —
•
Expires: 2014-06-14
Abstract
Abstract This invention relates to a recording medium management method, and digital data for computer processing are stored on a magnetooptic disk that is usually used to record compressed digital audio data. When computer data are recorded to clusters (16-27) of a data recording area, the range of the clusters (16-27) is secured as a usable range in a management table (parts table) of U-TOC. On the parts table (02h), a segment using is recorded using the cluster (16) as a start address and the cluster (27) as an end address. To manage the recording state of the computer data, FAT (File Allocation Table) is separately prepared to manage the recording state of the clusters (16-27).
Inventors
- 👤 Tatsuya Igarashi
- 👤 Katsuyuki Teranishi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 12:15
CPC Classifications
G; G11; G11B; G11B20/00; G11B20/10; G11B20/12; G11B20/1217; G11B20/1251; G11B27/00; G06; G06F; G06F16/00; G06F16/90; G06F16/901; G06F16/9017; G06F16/902; G11B20/1252; G11B27/02; G11B27/031; G11B27/034; G11B27/10; G11B27/11; G11B27/19; G11B27/28; G11B27/32; G11B27/327; G11B27/329; G11B11/00; G11B11/10; G11B11/105; G11B11/10582; G11B11/10584; G11B11/10595; G11B20/10527; G11B2020/10537; G11B2020/10592; G11B2220/00; G11B2220/20; G11B2220/25; G11B2220/2525; G11B2220/2529; G11B2220/60; G11B2220/65
Claims Analysis
Total Claims: 53
Claim 1
Independent Claim
112 words
A recording medium management method for carrying out management of recording state of digital data with respect to a recording medium, wherein management of recording state onto the recording medium of digital data where recording is carried out by first units is carried out in accordance with a first table, wherein a predetermined range is designated from the range of the recording medium caused to undergo management in accordance with the first table to carry out recording by second units with respect to the designated range, and wherein management of recording state onto the recording medium of digital data in the designated range is carried out in accordance with a second table.
Claim 2
Dependent Claim
21 words
A recording medium management method as set forth in claim 1, wherein the second unit is smaller than the first unit.
Claim 3
Dependent Claim
23 words
A recording medium management method as set forth in claim 2, wherein the first unit is cluster and the second unit is block.
Claim 4
Dependent Claim
25 words
A recording medium management method as set forth in claim 1, wherein the second unit is the same size as that of the first unit.
Claim 5
Dependent Claim
69 words
A recording medium management method as set forth in any one of claims 1 to 4, wherein the first table is recorded in User's Table of Contents (hereinafter simply referred to as U-TOC) or Table of Contents (hereinafter simply referred to as TOC) of the recording medium, and wherein the second table is recorded in the area caused to undergo management by the second table of the recording medium.
Claim 6
Dependent Claim
27 words
A recording medium management method as set forth in claim 5, wherein pointer indicating recording position of the second table is recorded in the U-TOC or TOC.
Claim 7
Dependent Claim
48 words
A recording medium management method as set forth in any one of claims 1 to 6, wherein different kinds of digital data are respectively recorded in the area caused to undergo management by the first table and in the area caused to undergo management by the second table.
Claim 8
Dependent Claim
49 words
A recording medium management method as set forth in claim 7, wherein audio digital data is recorded in the area caused to undergo management only by the first table, and wherein digital data processed by computer is recorded into the area caused to undergo management by the second table.
Claim 9
Dependent Claim
30 words
A recording medium management method as set forth in any one of claims 1 to 8, wherein data corresponding to the respective second units are formed in the second table.
Claim 10
Dependent Claim
38 words
A recording medium management method as set forth in claim 9, wherein data corresponding to the respective second units include information indicating that digital data has been already used, in the corresponding second units of the recording medium.
Claim 11
Dependent Claim
33 words
A recording medium management method as set forth in claim 9, wherein data corresponding to the respective second units include information indicating that the corresponding second units of the recording medium are disabled.
Claim 12
Dependent Claim
33 words
A recording medium management method as set forth in claim 9, wherein data corresponding to the respective second units include information indicating that the corresponding second units of the recording medium are defective.
Claim 13
Dependent Claim
28 words
A recording medium management method as set forth in claim 10, 11 or 12, wherein link information within the second table is further recorded in the second table.
Claim 14
Dependent Claim
67 words
A recording medium management method as set forth in any one of claims 1 to 13, wherein in the case where an unrecorded area is insufficient in any one of the area where recording is carried out by the first units and the area where recording is carried out by the second units, the other area is changed to one area on the first or second table.
Claim 15
Dependent Claim
26 words
A recording medium management method as set forth in claim 5, wherein the U-TOC or TOC is recorded in a fixed area of the recording medium.
Claim 16
Dependent Claim
17 words
A recording medium management method as set forth in claim 5, wherein the second table is bitmap.
Claim 17
Dependent Claim
26 words
A recording medium management method as set forth in claim 5, wherein information indicating position of the second table is recorded immediately before the second table.
Claim 18
Dependent Claim
33 words
A recording medium management method as set forth in claim 9, wherein data corresponding to the respective second units include information indicating that the corresponding second units of the recording medium are disabled.
Claim 19
Independent Claim
88 words
A method of setting a recording area for the purpose of recording digital data onto a recording medium, which comprises the steps of: detecting an empty area of the recording medium from data of a first table; recording, into the first table, data indicating that the empty area is caused to serve as tracks for digital data; and preparing a second table indicating use state of data of the recording medium at the leading portion of the empty area caused to serve as the tracks for digital data.
Claim 20
Dependent Claim
22 words
A method of setting a recording area as set forth in claim 19, wherein the first table is recorded in the U-TOC.
Claim 21
Dependent Claim
19 words
A method of setting a recording area as set forth in claim 19, wherein the second table is bitmap.
Claim 22
Dependent Claim
47 words
A method of setting a recording area as set forth in claim 19, wherein the first table carries out management of recording state of the digital data by first units, and the second table carries out management of recording state of the digital data by second units.
Claim 23
Dependent Claim
32 words
A method of setting a recording area as set forth in claim 19, wherein whether or not any track for digital data already exists is judged from data of the first table.
Claim 24
Dependent Claim
28 words
A method of setting a recording area as set forth in claim 19, wherein information indicating position of the second table is recorded immediately before the second table.
Claim 25
Dependent Claim
31 words
A method of setting a recording area as set forth in claim 22, wherein the second table is bitmap, the bit map including information indicating that the second unit is available.
Claim 26
Dependent Claim
33 words
A method of setting a recording area as set forth in claim 22, wherein the second table is bitmap, the bit map including information indicating that the second unit has been already used.
Claim 27
Dependent Claim
30 words
A method of setting a recording area as set forth in claim 22, wherein the second table is bitmap, the bitmap including information indicating that the second unit is defective.
Claim 28
Dependent Claim
30 words
A method of setting a recording area as set forth in claim 22, wherein the second table is bitmap, the bitmap including information indicating that the second unit is disabled.
Claim 29
Dependent Claim
84 words
A data recording method of recording digital data onto a recording medium, the method comprising the steps of: reading out, on the basis of data of a first table, a second table from tracks for digital data of the recording medium; detecting information indicating available block from the second table; recording digital data in blocks of the tracks for digital data corresponding to the information indicating available block; and rewriting the information indicating available block of the second table into information indicating disabled block.
Claim 30
Dependent Claim
18 words
A data recording method as set forth in claim 29, wherein the first table is recorded in U-TOC.
Claim 31
Dependent Claim
16 words
A data recording method as set forth in claim 29, wherein the second table is bitmap.
Claim 32
Dependent Claim
49 words
A data recording method as set forth in claim 29, wherein the first table carries out management of recording state of the digital data by first units, and the second table carries out management of recording state of the digital data by second units less than the first units.
Claim 33
Dependent Claim
97 words
A data recording method as set forth in claim 29, wherein in the case where the information indicating available block is not included in the second table, the method comprises the steps of: detecting an empty area of the recording medium from data of the first table; recording, into the first table, data indicating that the empty area is caused to be tracks for digital data; and recording information indicating available block into the area for data of the second table corresponding to the block of the empty area caused to be the tracks for digital data.
Claim 34
Dependent Claim
54 words
A data recording method as set forth in claim 29, the method comprising the steps of: reading out, on the basis of the first table, information indicating position of the second table recorded immediately before the second table; reading out the second table on the basis of information indicating position of the second table.
Claim 35
Dependent Claim
109 words
A data recording method in recording digital data onto a recording medium, the method comprising the steps of: reading out digital data of first units caused to undergo management by a first table from the recording medium; storing the digital data of the first units into a memory; updating at least one portion of the digital data of the first units stored in the memory by new digital data every second unit less than the first unit, which is caused to undergo management by a second table; and recording new digital data of the first units including the new digital data stored in the memory onto the recording medium.
Claim 36
Dependent Claim
22 words
A data recording method as set forth in claim 35, wherein the first unit is cluster, and the second unit is block.
Claim 37
Dependent Claim
16 words
A data recording method as set forth in claim 35, wherein the first table is U-TOC.
Claim 38
Dependent Claim
16 words
A data recording method as set forth in claim 35, wherein the second table is bitmap.
Claim 39
Independent Claim
59 words
A medium for recording digital data comprising: a first area in which a first table for carrying out management of tracks for digital data by first units is recorded; and a second area in which the digital data and a second table for carrying out management, by second units, tracks for digital data where the digital data is recorded.
Claim 40
Dependent Claim
26 words
A medium as set forth in claim 39, wherein the second table is recorded at a track for digital data initially formed in the second area.
Claim 41
Dependent Claim
30 words
A medium as set forth in claim 39, wherein information indicating position of the second table is recorded at the track for digital data initially formed in the second area.
Claim 42
Dependent Claim
14 words
A medium as set forth in claim 39, wherein the second table is bitmap.
Claim 43
Dependent Claim
14 words
A medium as set forth in claim 39, wherein the first table is U-TOC.
Claim 44
Dependent Claim
47 words
A medium as set forth in claim 39, wherein the first table carries out management of recording state of the digital data by first units, and the second table carries out management of recording state of the digital data by second units less than the first units.
Claim 45
Independent Claim
56 words
A medium for recording or reproducing digital data, wherein a first table for carrying out management of tracks for digital data by first units and a second table for carrying out management of the tracks for digital data by second units at tracks for digital data caused to undergo management by the first table are recorded.
Claim 46
Dependent Claim
14 words
A medium as set forth in claim 45, wherein the second table is bitmap.
Claim 47
Dependent Claim
16 words
A medium as set forth in claim 45, wherein the first table is U-TOC or TOC.
Claim 48
Dependent Claim
16 words
A medium as set forth in claim 45, wherein the second unit is the first unit.
Claim 49
Dependent Claim
22 words
A medium as set forth in claim 45, wherein the second table is recorded in a track for digital data initially formed.
Claim 50
Dependent Claim
26 words
A medium as set forth in claim 45, wherein information indicating position of the second table is recorded at the track for digital data initially formed.
Claim 51
Dependent Claim
141 words
A computer system for recording digital data onto a recording medium, comprising: a recording medium on which the digital data is recorded; recording means for recording the digital data onto the recording medium; reproducing means for reproducing a first table recorded on the recording medium; memory means for storing the first table; and control means for detecting an empty area of the recording medium from data of the first table to record data indicating that the empty area is caused to be tracks for digital data in the first table of the recording medium in cooperation with the recording means, and to prepare a second table indicating use state of data of the recording medium at the leading portion of the empty area caused to be the tracks for digital data of the recording medium in cooperation with the recording means.
Claim 52
Dependent Claim
143 words
A computer system for recording digital data onto a recording medium, comprising: a recording medium on which the digital data is recorded; recording means for recording the digital data onto the recording medium; reproducing means for reproducing a first table recorded on the recording medium; memory means for storing the first table; and control means for reading out a second table from tracks for digital data of the recording medium on the basis of data of the first table to detect information indicating available block from the second table to record digital data at the tracks for digital data corresponding to the information indicating available block of the recording medium in cooperation with the recording means, and to rewrite the information indicating available block of the second table of the recording medium into information indicating disabled block in cooperation with the recording means.
Claim 53
Dependent Claim
110 words
A data recording apparatus for recording digital data onto a recording medium, comprising: means for reading out digital data of first units caused to undergo management by a first table from the recording medium; a memory for storing the digital data of the first units; means for updating at least one portion of the digital data of the first units stored in the memory by new digital data every second units less than the first units, which are caused to undergo management by a second table; and means for recording new digital data of the first units including the new digital data stored in the memory onto the recording medium.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.