JPS63275075A - Information recording and reproducing device - Google Patents

Abstract

PURPOSE:To attain a high speed recording and reproducing processing by providing a track formatting means controlled by the hardware and software shared formatting function of a control means. CONSTITUTION:In the formatting processing, the control means 103 uses the hardware and software shared formatting function 121 to execute the track format. This function is a function for determining a sector interval between the final sector of an Nth track and the leading sector of an (N+1)th track according to a head moving time between the tracks at the respective track positions and dislocating the position of the leading sector. The interval between the sectors is set so as to have the interval generating no rotational delay. The formatting means 106 sets the address of the sector ID part of the respective sectors in the respective tracks of an information recording and reproducing medium 107 according to a formatting request signal 113 from a control means 103. Thereby, at the time of moving between the respective tracks, the formatting of the information recording and reproducing medium is attained at a minimum interval generating no rotational delay according to the head moving time at that time.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an information recording and reproducing apparatus for recording and reproducing data on an information recording and reproducing medium having a track structure in which a storage area is composed of a plurality of sectors.

BACKGROUND ART FIG. 2 shows a block diagram of this conventional information recording and reproducing apparatus. In FIG.
209 is the reproduced address signal read out by the address reading means 201; 202 is the input target address signal 215 and the reproduced address signal 209 are compared to find that they match; 210 is an address matching signal indicating a match between the addresses outputted by the address comparing means 202; 203 is an instruction to request recording/reproduction of the input write signal 216 or read signal 217; As a signal, a reproduction request signal 211 is sent to the reproduction means 204.
and reproduced sector signal 22 obtained by the request.
0 and outputs a reproduced data signal 214;
A function of controlling the output of the recording request signal 212 to the recording means 205, and a formatting means using the formatting function 221 using the input formatting signal 218 as a formatting request instruction signal. 206 is a control means having a function of controlling the output of the mating request signal 213. The reproducing means 204 reproduces sectors in the information recording/reproducing medium 207 based on the reproducing request signal 211 from the controlling means 203 and outputs the reproduction result as a reproduced sector signal 220. 1 to 6 for reproducing the sector part of the sector are means for recording the recording data signal 219, which is input data, on the information recording/reproducing medium 207 in response to the recording request signal 212 from the control means 203; The means 206 is means for formatting the information recording/reproducing medium 207 in response to a formatting request signal 213 from the control means 203.

In the conventional information recording and reproducing apparatus configured as described above, first, each sector ID section on the information recording and reproducing medium 207 is read by the reproducing means 204, and the sector ID section reproduction signal 208 is transmitted to the address reading section 9. 201 and outputs a reproduced address signal 209 to address comparison means 202. The address comparing means 202 compares a target address signal 216 and a reproduced address signal 2 which are external inputs.
09, and if they match, the address match signal 21
0 is output to the control means 203. Address match signal 21
0 and a write signal 21 which is a request instruction signal from the outside.
6, read signal 217, and formatting signal 218
Based on this, the control means 203 performs recording/reproducing and formatting of the information recording/reproducing medium 207.

The operation of the control means 203 will be explained below.

In the reproduction processing of the target sector, the control means 203 outputs a reproduction request signal 211 requesting reproduction from the control means 203 to the reproduction means 204, performs the above analysis from the obtained reproduction sector signal 220, and generates a reproduction data signal 214. get. Next, in the recording process of the target sector, the control means 203 outputs a recording request signal 212 requesting recording to the recording means 205.

Furthermore, in the formatting process, a software formatting function 221 is used to perform track formatting using software. This function allows the sector address within a track (the address written in each sector ID section) to be arbitrarily set using a formatting signal 218 which is an instruction signal from the host system software. The conventional address setting is a sector arrangement in which the first sector of each track of the entire medium is placed at exactly the same position.

The reproduction means 204 receives the reproduction request signal 211 from the control means 203, performs sector reproduction of the information recording and reproduction medium 207, and outputs the reproduction result to the control means 203 as a reproduction sector signal 220.

The recording means 206 records a recording data signal 219, which is input data from the outside, onto the information recording/reproducing medium 207 in response to the recording request signal 212 from the control means 203. The formatting means 206 includes the control means 20
The address (sector address) of the sector ID portion of each sector in each track of the information recording/reproducing medium 207 is set in response to the formatting request signal 113 from 3.

Here, in the conventional track format, the last sector of the first track (Nth track) and the first sector of the second track (Ig (N+1) track) whose track number is one larger than the previous one have consecutive addresses. However, the direction of head movement and the direction of address increase are the same.

Problems to be Solved by the Invention However, the above-mentioned configuration has the problem that an extra rotational wait occurs in processing that spans between tracks.

In conventional formatted media, when performing continuous sector processing (reading/writing sectors with consecutive addresses, etc.) between tracks, the track number is increased by one from the last sector of the first track (Nth track). Since the head moves in the rotational direction by the time required for the seek operation when moving to the first sector of the second track ((N+1)th track), the second first sector is one address larger than the first last sector. will pass by. That is, the Nth
The (N+1)th sector starts from the last sector of the track.

It is not possible to move to the first sector of the (N+1)th track in the same rotational layer as the seek operation, and the first sector of the (N+1)th track can only be found after about - rotations.

In view of this, it is an object of the present invention to provide an information recording and reproducing device that automatically sets the inter-sector interval using hardware to match the time interval that prevents rotational waiting due to seek operations at each position of the medium. .

Means for Solving the Problems The present invention provides that a track is composed of a plurality of sectors, and a second track number that is one larger than the last sector of the first track is used.
For an information recording and reproducing medium having a track format that requires a seek operation when moving to the first sector of the second track, the first sector of the second track is compared with at least the last sector of the first track during track formatting. They are arranged at positions shifted by the time required for inter-track movement at that time, and the tracks within the tracks are arranged so that the entire track group of the information recording/reproducing medium has the relationship of the first track and the second track. This is an information recording and reproducing apparatus equipped with a track formatting means for setting a format in which sector addresses are determined.

Function The present invention has the above-described configuration, so that when moving between each track,
At that point, the information recording/reproducing medium can be formatted at intervals that do not require rotational waiting depending on the head movement time.

Embodiment FIG. 1 shows a detailed diagram of an information recording/reproducing apparatus according to an embodiment of the present invention. In FIG. 1, reference numeral 101 denotes an address reading means 9 for reading an address from a signal obtained by reproducing the sector ID part in the sector (this signal is the sector ID part reproduction signal 108), and 109 denotes an address reading means 101 that reads out an address. A reproduced address signal 102 is an address comparing means for comparing the input target address signal 115 and the reproduced address signal 109 to determine whether they match.
Reference numeral 110 indicates an address match signal indicating a match between the addresses outputted by the address comparison means 102, and 1o3 a reproduction request signal 111 to the reproduction means 104 using the input write signal 116 or read signal 117 as a recording/reproduction request instruction signal. a function to output a reproduction data signal 114 by analyzing the reproduced sector signal 120 obtained in response to the request, a function to control the output of the recording request signal 112 to the recording means 106, and an input function. A control means has a function of controlling the output of the formatting request signal 113 to the formatting means 106 by the hardware/software shared formatting function 121 using the formatting signal 118 generated as a formatting request instruction signal. It is. The reproducing means 104 reproduces sectors in the information recording/reproducing medium 107 based on the reproducing request signal 111 from the controlling means 103 and outputs the reproduction result as a reproduced sector signal 120. means for reproducing the sector ID part of the recording means 105; means for recording the recording data signal 119, which is input data, on the information recording/reproducing medium 107 in accordance with the recording request signal 112 from the control means 103; and a formatting means. Reference numeral 106 denotes means for formatting the multi-information recording/reproducing medium 107 in response to a formatting request signal 113 from the control means 103.

In the information recording/reproducing device configured as above,
First, the information recording and reproducing medium 10 is
The sector ID section of each sector on the top 7 is read, and the sector ID section reproduction signal 108 is analyzed by the address reading section 9 means 101, and the reproduction address signal 109 is outputted to the address comparison means 102. The address comparing means 102 compares the target address signal 116, which is an external input, and the reproduced address signal 109, and if they match, the address matching signal 1
10 is output to the control means 103. Address match signal 1
10 and a write signal 1 which is an external request instruction signal.
16, read signal 117, and formatting signal 11
8, the control means 103 controls the information recording and reproducing medium 107.
Performs recording, playback, and formatting.

Here, in the embodiment, the last sector of the first track (!N rack) and the first sector of the second track ((N+1)th track), which has a higher track number by 1, have consecutive addresses. Therefore, the head movement direction and address increase direction match.

The operation of the control means 103 will be explained below.

In the reproduction processing of the target sector, the control means 103 outputs a reproduction request signal 111 requesting reproduction from the control means 103 to the reproduction means 104, performs the above analysis on the obtained reproduction sector signal 120, and generates a reproduction data signal 114. get. Next, in the recording process of the target sector, the control means 103 outputs a recording request signal 112 requesting recording to the recording means 106.

Furthermore, in the formatting process, track formatting is performed using the node/software common 7-ohm formatting function 121. This function determines the sector interval between the last sector of the Nth track and the first sector of the (N+1)th track according to the inter-track head movement time at each track position, and shifts the position of the first sector. be. This inter-sector interval is set to an interval that does not cause a rotation wait.

In addition to the above functions, it also has a function for determining the arrangement of sectors within a track, and uses the formatting signal 118, which is an instruction signal from the host system software, to set the sector address within the track (each sector ID field). (write address) can be set arbitrarily. Using this function, it is possible to set addresses in which sector addresses are arranged in physical order, or in which sectors are interleaved.

This formatting process may be performed by software or hardware.

The reproduction means 104 receives the reproduction request signal 111 from the control means 103, performs sector reproduction of the information recording and reproduction medium 107, and outputs the reproduction result to the control means 103 as a reproduction sector signal 120.

The recording means 106 records a recording data signal 119, which is input data from the outside, onto the information recording/reproducing medium 107 in response to a recording request signal 112 from the control means 103. The forming means 106 includes the above-mentioned control means 10.
Forma from 3.

Information recording/reproducing medium 107 according to the recording request signal 113
The address of the sector ID part of each sector in each track (
sector address).

As described above, according to this embodiment, by providing the track formatting means controlled by the common hardware/software formatting function of the control means, sectors can be divided according to the inter-track head movement time at each track position. It is possible to set track formers and tings with a shift of.

As described in detail, according to the present invention, it is possible to format an information recording/reproducing medium at minimum intervals that do not require a rotation wait corresponding to the head movement time at that time when moving between tracks. Additionally, it is possible to easily obtain a media formatting system that can speed up recording and reproducing processing, and its practical effects are great.

[Brief explanation of drawings]

FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a block diagram of a conventional information recording and reproducing apparatus. 101... Address reading 9 means, 1o2...
... address comparison means, 103 ... control means, 104 ... playback means, 105 ... recording means, 106 ... formatting means,
107...Information recording/reproducing medium, 10B...
...Sector ID reproduction signal, 109...Reproduction address signal, 110...Address match signal, 11
1...Reproduction request signal, 112...Recording request signal, 113...Formatting request signal, 114...Reproduction data signal, 116...
...Target address signal, 116...Write signal, 117...Read signal, 118...
...Formatting signal, 119...Record data signal, 120...Reproduction sector signal, 12
1... Hardware/software common formatting function.

Claims (1)

[Claims] For information recording and reproducing media whose track is composed of multiple sectors and has a track format that requires a seek operation when moving from the last sector of the first track to the first sector of a larger second track by track number, address reading means for reading sector address information from the sector identification section; and address comparison means for comparing the sector address information of the sector identification section and the target sector;
A control means for controlling playback/recording for sectors with matching addresses and track formatting for allocating sector addresses within a track; a playback means for performing playback processing for sectors within a track; recording means for performing a recording process, and at the time of track formatting, the first sector of the second track is located at a position shifted from at least the last sector of the first track by the amount of time required for inter-track movement at that time. and track formatting means for setting a format in which addresses of sectors in the tracks are determined so that the first track and the second track are in a relationship for the entire track group of the information recording/reproducing medium. An information recording and reproducing device characterized by: