Claims
- 1. A method of recording on an optical record medium a data signal and a control data signal for managing the optical record medium having a substrate, a first area defining a data region including a plurality of parallelly arranged tracks and a second area defining an identification region in which addresses of tracks are recorded, comprising the steps of:
- selecting at least one track among said tracks as a control data track;
- recording a data signal in a data track which is not selected as said control data track; and
- recording a control data signal representing a last data track in which the latest data signal has been recorded, for managing the optical record medium in said control data track;
- wherein marks having a constant length are recorded in said control data track each time data signals are recorded in the data tracks such that successive marks are brought into contact with each other in the longitudinal direction.
- 2. A method of recording on an optical record medium a data signal and a control data signal for managing the optical record medium having a substrate, a first area defining a data region including a plurality of parallelly arranged tracks and a second area defining an identification region in which addresses of tracks are recorded, comprising the steps of:
- selecting at least one track among said tracks as a control data track;
- recording a data signal in a data track which is not selected as said control data track; and
- recording a control data signal representing a last data track in which the latest data signal has been recorded, for managing the optical record medium in said control data track;
- wherein pit marks are recorded in said control data track each time data signals are recorded in the data tracks such that successive pit marks are aligned at a constant pitch in the direction of arrangement of the tracks.
Priority Claims (3)
Number |
Date |
Country |
Kind |
61-276817 |
Nov 1986 |
JPX |
|
61-278078 |
Nov 1986 |
JPX |
|
62-18714 |
Jan 1987 |
JPX |
|
Parent Case Info
This is a continuation of application Ser. No. 07/121,798, filed Nov. 17, 1987, now abandoned.
US Referenced Citations (10)
Foreign Referenced Citations (5)
Number |
Date |
Country |
0147065 |
Mar 1985 |
EPX |
0227380 |
Jan 1987 |
EPX |
0232134 |
Dec 1987 |
EPX |
58-41444 |
Mar 1983 |
JPX |
59-28248 |
Feb 1984 |
JPX |
Continuations (1)
|
Number |
Date |
Country |
Parent |
121798 |
Nov 1987 |
|