Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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Filing date
Publication date
Application filed by Canon IncfiledCriticalCanon Inc
Priority to JP15353075ApriorityCriticalpatent/JPS5276939A/ja
Publication of JPS5276939ApublicationCriticalpatent/JPS5276939A/ja
Un dispositivo explorador optico perfeccionado que es ade- cuado para explorar pistas de registro en una superficie de registro de un portador de registro.