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.)
Fujitsu Ltd
Nidec Instruments Corp
Original Assignee
Fujitsu Ltd
Sankyo Seiki Manufacturing 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 Fujitsu Ltd, Sankyo Seiki Manufacturing Co LtdfiledCriticalFujitsu Ltd
Priority to JP58108957ApriorityCriticalpatent/JPS603069A/ja
Publication of JPS603069ApublicationCriticalpatent/JPS603069A/ja
Publication of JPH0313628B2publicationCriticalpatent/JPH0313628B2/ja
Apparatus for using window signal generators to enable detection of header information such as an address mark, sector mark, or address information recorded on each sector of a disc recording medium only where such information could be present