Optical recording medium, method for recording/playback recording medium and apparatus for recording/playback of optical recording medium

 

The invention relates to optical recording media, a method and apparatus for recording/playback. The optical recording medium contains valuerevenue track and grooves formed in a predetermined interval on the plot between the coils sabaliauskas track. The position of the grooves associated with the predetermined phase lobularia. Using wabwiremangen signal from the track control rotation of the optical recording medium. The signals of tracks and grooves detected using appropriate detection means. The technical result - the areal density, increase speed and improve reliability of the control of the rotation of the recording medium, improving the accuracy of the information address. 3 S. and 17 C.p. f-crystals, 15 ill.

Description text in facsimile form (see graphic part)

Claims

1. Optical recording medium containing valuerevenue track and grooves formed in a predetermined interval on the plot between the coils sabaliauskas track, characterized in that the position of the grooves associated with the predetermined phase lobularia.

2. Optical zapisywa the p>Mfw=Nfp,

where M and N are integers.

3. The optical recording medium p. 1, characterized in that the grooves formed in the provisions of the standing lobularia.

4. The optical recording medium p. 3, characterized in that the grooves formed in the provisions of the minimum lobularia.

5. The optical recording medium p. 3, characterized in that grooves are formed at positions of maximum lobularia closest to the adjacent turn of the track.

6. The optical recording medium p. 1, characterized in that grooves are formed radially and continuously between adjacent turns of the track.

7. The optical recording medium p. 1, characterized in that lobularia has a single frequency.

8. The optical recording medium p. 1, characterized in that the information sector recorded using grooves.

9. The optical recording medium p. 8, characterized in that the grooves are composed of grooves synchronization and/or address of a groove.

10. The optical recording medium p. 1, characterized in that the information sector is recorded on the track by modulation wabwiremangen signal.

11. The optical recording medium p. 10, otlica recording medium p. 8, characterized in that the information sector is recorded on the track by modulation wabwiremangen signal.

13. The optical recording medium p. 12, characterized in that the information sector includes timing information and/or address data.

14. The optical recording medium p. 12, characterized in that the information sector wabwiremangen signal is in a constant position with respect to the information sector pf grooves.

15. The optical recording medium p. 14, characterized in that the synchronization signal included in the information sector wabwiremangen signal is ahead of the information sector of the grooves in the direction of the playback signal.

16. The optical recording medium p. 15, characterized in that the position of the synchronization signal included in the information sector wabwiremangen signal is within one of the grooves grooves synchronization.

17. The method of recording and/or reproducing a signal on an optical recording medium having valuerevenue track and grooves formed at a predetermined interval in the field between the coils sabaliauskas paths, namely, that using wabwiremangen signal from track upravlyayu environment using signals grooves, certain of the groove, characterized in that the position of the grooves associated with the predetermined phase lobularia.

18. The method of recording and/or playback on p. 17, characterized in that Vouliagmeni signal and signals grooves simultaneously read using a single light spot by "rolling-pushing".

19. The recorder and/or playback signal containing optical recording medium having valuerevenue track and grooves formed in a predetermined interval in the field between the coils sabaliauskas track, detecting means for determining wabwiremangen signal from the track, and the detecting means for determining signals grooves from the grooves while rotating the optical recording medium is performed by Vouliagmeni signals detected from the track, and the position of the signal recording on the optical recording medium defined using signal grooves detected from the grooves, characterized in that the position of the grooves associated with the predetermined phase lobularia.

20. The recorder and/or playback on p. 19, characterized in that the detection means designed to determine lobularia detection means for simultaneously reading wabwiremangen signal and grooves through one light spot by "rolling-pushing".

 

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FIELD: optical discs.

SUBSTANCE: sector header on optical disc has first and second headers, recorded in a way to deflect from track middle in opposite directions, and have address areas, wherein address signals are recorded and synchronous signals areas for detecting address signals. Playback signal generator includes photo-detector, having radial couples of detecting elements. Playback signal includes total signals V1 or V2 of radial couples of detecting elements, total signal RF_sum of detecting elements, counter-phase signal RF_pp of detecting elements, from optical signal reflected from disc. Header area detector generates header area signal, containing header area from playback signal received from playback signal generator. Level detectors for first and second synchronous signals receive playback signal from playback signal generator and perform detection of value of first synchronous signal in first header and value of second synchronous signal in second header. Balance calculator calculates balance value of first and second synchronous signals. Determining of error of slant is performed in accordance to balance value.

EFFECT: higher efficiency.

2 cl, 15 dwg

FIELD: optical record/play devices.

SUBSTANCE: data area on disc is divided into sectors. Each sector header has first header and second header, recorded in a way to deflect from track middle in opposite directions. Said first and second headers have address areas, wherein sectors address signals and synchronous signals areas are recorded, wherein synchronous signals for detecting address signals are recorded. First value of synchronous clock signal is detected from first header and is a Lvfo1. second value of synchronous clock signal is detected from second header and is a Lvfo3. relation of first value Lvfo1 to second value Lvfo3 is a previously set limited value.

EFFECT: higher precision of error detection.

7 cl, 15 dwg

FIELD: optical data carriers.

SUBSTANCE: optical data carrier has at least two layers, each of which is a substrate with recording film, on which optically discernible code relief is formed with information elements readable via laser radiation, which contain elements with optical limiting property. Method for manufacture of optical multilayer data carrier includes manufacture of at least two layers, each of which has optically discernible code relief with laser radiation readable information elements, which are formed of substance, having property of optical limiting. Method for multilayer optical recording of data, in which information is recorded by forming and moving pulses of laser radiation flow along surface of recording film in formed tracks, filled with substance, having optical limiting property, or components for synthesis of substance, having property of optical limiting. Method for reading from optical multilayer data carrier, including forming of laser radiation flow, its focusing at read layer with optically discernible code relief with information elements, containing substance, having property of optical limiting, modulation of light signal reflected from code relief by frequency and amplitude.

EFFECT: higher efficiency.

4 cl, 3 dwg

FIELD: optical data carriers.

SUBSTANCE: optical data carrier has at least two layers, each of which is a substrate with recording film, on which optically discernible code relief is formed with information elements readable via laser radiation, which contain elements with optical limiting property. Method for manufacture of optical multilayer data carrier includes manufacture of at least two layers, each of which has optically discernible code relief with laser radiation readable information elements, which are formed of substance, having property of optical limiting. Method for multilayer optical recording of data, in which information is recorded by forming and moving pulses of laser radiation flow along surface of recording film in formed tracks, filled with substance, having optical limiting property, or components for synthesis of substance, having property of optical limiting. Method for reading from optical multilayer data carrier, including forming of laser radiation flow, its focusing at read layer with optically discernible code relief with information elements, containing substance, having property of optical limiting, modulation of light signal reflected from code relief by frequency and amplitude.

EFFECT: higher efficiency.

4 cl, 3 dwg

FIELD: optical data carriers.

SUBSTANCE: optical data carrier has at least two layers, each of which is a substrate with recording film, on which optically discernible code relief is formed with information elements readable via laser radiation, which contain elements with optical limiting property. Method for manufacture of optical multilayer data carrier includes manufacture of at least two layers, each of which has optically discernible code relief with laser radiation readable information elements, which are formed of substance, having property of optical limiting. Method for multilayer optical recording of data, in which information is recorded by forming and moving pulses of laser radiation flow along surface of recording film in formed tracks, filled with substance, having optical limiting property, or components for synthesis of substance, having property of optical limiting. Method for reading from optical multilayer data carrier, including forming of laser radiation flow, its focusing at read layer with optically discernible code relief with information elements, containing substance, having property of optical limiting, modulation of light signal reflected from code relief by frequency and amplitude.

EFFECT: higher efficiency.

4 cl, 3 dwg

FIELD: data carriers.

SUBSTANCE: method includes forming a mark and space with use of signal, containing record template, erasing template, having multiple pulses, and cooling pulse, connecting templates of recording and erasing.

EFFECT: higher efficiency.

3 cl, 21 dwg

FIELD: data carriers.

SUBSTANCE: method includes forming a mark and space with use of signal, containing record template, erasing template, having multiple pulses, and cooling pulse, connecting templates of recording and erasing.

EFFECT: higher efficiency.

3 cl, 21 dwg

FIELD: data carriers.

SUBSTANCE: in optical data carrier, including track, including multiple recesses, formed on basis of first data being subject to recording, and platforms, formed between adjacent recesses, these recesses are recorded with deformation on basis of second data. First and second data are synthesized and played for realization of sound playback with broad frequency range. Also, first data are recorded with possible playback by means of common disc player. Playback of first data is controlled by second data for protection of recorded data.

EFFECT: higher efficiency.

6 cl, 44 dwg

FIELD: data carriers.

SUBSTANCE: in optical data carrier, including track, including multiple recesses, formed on basis of first data being subject to recording, and platforms, formed between adjacent recesses, these recesses are recorded with deformation on basis of second data. First and second data are synthesized and played for realization of sound playback with broad frequency range. Also, first data are recorded with possible playback by means of common disc player. Playback of first data is controlled by second data for protection of recorded data.

EFFECT: higher efficiency.

6 cl, 44 dwg

FIELD: data carriers.

SUBSTANCE: in optical data carrier, including track, including multiple recesses, formed on basis of first data being subject to recording, and platforms, formed between adjacent recesses, these recesses are recorded with deformation on basis of second data. First and second data are synthesized and played for realization of sound playback with broad frequency range. Also, first data are recorded with possible playback by means of common disc player. Playback of first data is controlled by second data for protection of recorded data.

EFFECT: higher efficiency.

6 cl, 44 dwg

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