SYSTEM FOR SCRIBING A VISIBLE LABEL

A DEVICE IS FOR SCRIBING A VISIBLE LABEL ON THE MEDIUM. THE MEDIUM (11), FOR EXAMPLE AN OPTICAL DISC, HAS A LABEL SIDE PROVIDED WITH A RADIATION SENSITIVE LAYER FOR CREATING THE VISIBLE LABEL VIA A BEAM OF RADIATION. THE DEVICE HAS A HEAD (22) AND A POSITIONING UNIT (25) FOR RADIALLY POSITIONING A S...

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Bibliographische Detailangaben
Hauptverfasser:	JAN VERBIEST, IGOLT PIETER DOUWES UBBENS, JEROEN ARNOLDUS LEONARDUS JOHANNES RAAYMAKERS, GEORGE ALOIS LEONIE LEENKNEGT
Format:	Patent
Sprache:	eng
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LINING MACHINES PERFORMING OPERATIONS PHYSICS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A DEVICE IS FOR SCRIBING A VISIBLE LABEL ON THE MEDIUM. THE MEDIUM (11), FOR EXAMPLE AN OPTICAL DISC, HAS A LABEL SIDE PROVIDED WITH A RADIATION SENSITIVE LAYER FOR CREATING THE VISIBLE LABEL VIA A BEAM OF RADIATION. THE DEVICE HAS A HEAD (22) AND A POSITIONING UNIT (25) FOR RADIALLY POSITIONING A SCRIBING SPOT, WHICH UNIT HAS A COURSE POSITIONING SYSTEM BY MOVEMENTS OF THE HEAD AND A FINE POSITIONING SYSTEM. THE DEVICE HAS A GENERATOR UNIT (32) FOR, DURING AT LEAST ONE BOUNDARY TRACE OF THE SUBSTANTIALLY PARALLEL TRACES WHICH PRECEDES OR SUCCEEDS A HEAD MOVEMENT, TEMPORARILY APPLYING A BROADENING SIGNAL (35) TO THE FINE POSITIONING SYSTEM FOR BROADENING THE BOUNDARY TRACE IN THE TIANSVERSE DIRECTON. THIS HAS THE ADVANTAGE THAT UNWRITIEN ANNULAR AREAS CALLED WHITE HANDS, WHICH MAY OCCUR DUE TO MISMATCH OF THE HEAD MOVEMENT AND THE FINE POSITIONING SYSTEM, ARE REDUCED OR PREVENTED.