Transversal push-pull method for optical pickup

Transversal push-pull method for optical pickup

The authors have developed the transversal push-pull (TPP) method for removing track offset. The basic principle and characteristics of the TPP method are described. The proposed method has the following features: (1) ability to remove track error offset caused by objective lens shifting; (2) no cha...

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Veröffentlicht in:IEEE transactions on consumer electronics 1989-11, Vol.35 (4), p.810-813
Hauptverfasser: Morimoto, Y., Buchler, C., Schroder, H.-J., Weissmann, G., Zucker, F., Uhde, D.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
CD recording
Consumer electronics
Detectors
Disk recording
Electronics
Exact sciences and technology
Laser beams
Lenses
Optical recording
Signal detection
Storage and reproduction of information
Structural beams
Tellurium
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Zusammenfassung:The authors have developed the transversal push-pull (TPP) method for removing track offset. The basic principle and characteristics of the TPP method are described. The proposed method has the following features: (1) ability to remove track error offset caused by objective lens shifting; (2) no chance for track error offset in recording on a write-once disk, because of one-beam scanning; (3) no limitation of spot size on the photodetector (therefore, the effect of photodetector movement is depressed); and (4) application to a compact disk system. The TPP has negligible offset in playing back compact disks.< >
ISSN:0098-3063
1558-4127
DOI:10.1109/30.106900