Information recording apparatus and information recording method

• US 20040184784A1
• Filed: 01/30/2004
• Published: 09/23/2004
• Est. Priority Date: 01/30/2003
• Status: Abandoned Application

• Current Assignee: Kabushiki Kaisha Toshiba (Toshiba Corporation)
• Original Assignee: Kabushiki Kaisha Toshiba (Toshiba Corporation)
• Inventors: Kurano, Tomoaki
• Application Number:
  US10/767,279
• Publication Number:
  US 20040184784A1
• Time in Patent Office: Days
• US Class Current: 386/95
• CPC Class Codes: G11B 19/06 by counting or timing of machine operations
• CPC Class Codes: G11B 20/10 Digital recording or reproducing
• CPC Class Codes: G11B 2220/20 Disc-shaped record carriers
• CPC Class Codes: G11B 27/36 Monitoring, i.e. supervising the progress of recording or reproducing for digital recording G11B20/00 and s.gr.; for monitoring, testing or measuring of TV recorders of the type covered by H04N5/76 and subgroups, see H04N17/06

Abstract

An information recording apparatus includes first and second information recording units configured to write and read data in a predetermined amount of data units, and a control section configured to perform a switching control, such that when the data is being written in the first information recording unit in the predetermined amount of data units, in a state where a preset condition relating to a recording operation is not satisfied, the data in the predetermined amount of data units to be written in the first information recording unit is written in the second information recording unit.

Claims

1. An information recording apparatus comprising:

first and second information recording units configured to write and read data in a predetermined amount of data units; and

a control section configured to perform a switching control, such that when the data is being written in the first information recording unit in the predetermined amount of data units, in a state where a preset condition relating to a recording operation is not satisfied, the data in the predetermined amount of data units to be written in the first information recording unit is written in the second information recording unit.

2. The information recording apparatus according to claim 1, wherein the control section performs the switching control, such that in a state where a time for writing the data in the predetermined amount of data units in the first information recording unit exceeds a preset limit time, an operation of writing data to the first information recording unit is stopped, and the data in the predetermined amount of data units to be written in the first information recording unit is written in the second information recording unit.

3. The information recording apparatus according to claim 2, wherein when a time for writing the data in the predetermined amount of data units in the second information recording unit exceeds a preset limit time, the control section provides a notification to that effect.

4. The information recording apparatus according to claim 2, wherein the control section performs the switching control, such that in a state where an operation of writing data in the predetermined amount of data units to the second information recording unit is completed, data in a predetermined amount of data units following the data written in the second information recording unit is written in the first information recording unit.

5. The information recording apparatus according to claim 1, wherein the control section comprises a buffer to selectively supply data to the first and second information recording units, and the control section performs the switching control, such that when the data is being written in the first information recording unit in the predetermined amount of data units, in a state where an amount of data accumulated in the buffer exceeds a preset first limit value, an operation of writing data to the first information recording unit is stopped, and the data in the predetermined amount of data units to be written in the first information recording unit is written in the second information recording unit.

6. The information recording apparatus according to claim 5, wherein the control section performs the switching control, such that in a state where an amount of data accumulated in the buffer decreases below a preset second limit value, data in a predetermined amount of data units following the data written in the second information recording unit is written in the first information recording unit.

7. The information recording apparatus according to claim 4 or 6, wherein in a state where the operation of writing data is switched from the second information recording unit to the first information recording unit, the control section sets a write start address in the first information recording unit to a value equal to a sum of an address at which the operation of writing data to the first information recording unit is stopped and an address corresponding to an amount of data written in the second information recording unit.

8. The information recording apparatus according to claim 2 or 5, wherein the control section copies data written in the second information recording unit to the first information recording unit and deletes the copied data from the second information recording unit.

9. The information recording apparatus according to claim 1, wherein the control section performs the switching control, such that in a state where a number of retries for writing the data in the predetermined amount of data units in the first information recording unit exceeds a preset limit number, an operation of writing data to the first information recording unit is stopped and the data in the predetermined amount of data units to be written in the first information recording unit is written in the second information recording unit.

10. An information recording apparatus comprising:

a first information recording unit configured to write and read data in and from a first recording medium in a predetermined amount of data units;

a second information recording unit configured to write and read data in and from a second recording medium in a predetermined amount of data units;

a detecting section configured to detect a state where a preset condition relating to a recording operation is not satisfied, when the data in the predetermined amount of data units is being written in the first recording medium in the first information recording unit; and

a control section configured to perform a switching control based on detection result of the detecting section such that the data in the predetermined amount of data units, which is to be written in the first recording medium in the first information recording unit, is written in the second recording medium in the second information recording unit.

11. The information recording apparatus according to claim 10, wherein:

the detecting section detects that a time for writing the data in the predetermined amount of data units in the first recording medium in the first information recording unit exceeds a preset limit time; and

the control section stops an operation of writing data in the first recording medium in the first information recording unit based on the detection result in the detecting section, and performs the switching control such that the data in the predetermined amount of data units, which is to be written in the first recording medium in the first information recording unit, is written in the second recording medium in the second information recording unit.

12. The information recording apparatus according to claim 11, wherein the control section performs the switching control, such that in a state where an operation of writing data in the predetermined amount of data units in the second recording medium in the second information recording unit is completed, data in a predetermined amount of data units following the data written in the second recording medium in the second information recording unit is written in the first recording medium in the first information recording unit.

13. The information recording apparatus according to claim 10, wherein:

the control section comprises a buffer to selectively supply data to the first and second information recording units;

the detection section detects that an amount of data accumulated in the buffer exceeds a preset first limit value, when the data in the predetermined amount of data units is being written in the first recording medium in the first information recording unit; and

the control section stops an operation of writing data in the first recording medium in the first information recording unit based on the detection result in the detecting section, and performs the switching control such that the data in the predetermined amount of data units, which is to be written in the first recording medium in the first information recording unit, is written in the second recording medium in the second information recording unit.

14. The information recording apparatus according to claim 13, wherein the control section performs the switching control, such that in a state where an amount of data accumulated in the buffer decreases below a preset second limit value, data in a predetermined amount of data units following the data written in the second recording medium in the second information recording unit is written in the first recording medium in the first information recording unit.

15. An information recording method comprising:

detecting that a preset condition relating to a recording operation is not satisfied, when data is being written in a first information recording unit in a predetermined amount of data units; and

performing a switching control based on a detection result, such that data in the predetermined amount of data units to be written in the first information recording unit is written in a second information recording unit.

16. The information recording method according to claim 15, wherein the detecting that a preset condition relating to a recording operation is not satisfied is detecting a time for writing the data in the predetermined amount of data units in the first information recording unit exceeds a preset limit time.

17. The information recording method according to claim 16, further comprising, when a time for writing the data in the predetermined amount of data units in the second information recording unit exceeds a preset limit time, providing a notification to that effect.

18. The information recording method according to claim 16, further comprising performing a switching control, such that in a state where an operation of writing data in the predetermined amount of data units to the second information recording unit is completed, data in a predetermined amount of data units following the data written in the second information recording unit is written in the first information recording unit.

19. The information recording method according to claim 18, further comprising setting a write start address in the first information recording unit to a value equal to a sum of an address at which the operation of writing data to the first information recording unit is stopped and an address corresponding to an amount of data written in the second information recording unit, in a state where the operation of writing data is switched from the second information recording unit to the first information recording unit.

20. The information recording method according to claim 16, further comprising copying data written in the second information recording unit to the first information recording unit and deleting the copied data from the second information recording unit.