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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co LtdfiledCriticalToshiba Corp
Priority to JP4352477ApriorityCriticalpatent/JPS53129005A/en
Publication of JPS53129005ApublicationCriticalpatent/JPS53129005A/en
PURPOSE: To eliminate special optical parts and make the device inexpensive by detecting the information track positions on a recording medium form the output of a photo detector in moving a light beam.
COPYRIGHT: (C)1978,JPO&Japio
JP4352477A1977-04-181977-04-18Optical information reader
PendingJPS53129005A
(en)