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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co LtdfiledCriticalMatsushita Electric Industrial Co Ltd
Priority to JP9913476ApriorityCriticalpatent/JPS5324805A/en
Publication of JPS5324805ApublicationCriticalpatent/JPS5324805A/en
PURPOSE: To correctly reproduce the tracking over a wide range in a simple manner of operations by interposing a focusing lens between a recording medium and an optical detector.
COPYRIGHT: (C)1978,JPO&Japio
JP9913476A1976-08-181976-08-18Optical reproducing system
PendingJPS5324805A
(en)