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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and TechnologyfiledCriticalAgency of Industrial Science and Technology
Priority to JP50050732ApriorityCriticalpatent/JPS51126846A/ja
Publication of JPS51126846ApublicationCriticalpatent/JPS51126846A/ja
Priority to US05/919,275prioritypatent/US4190775A/en
Publication of JPS5758735B2publicationCriticalpatent/JPS5758735B2/ja
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
G11B11/16—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by mechanical cutting, deforming or pressing
G11B11/18—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by mechanical cutting, deforming or pressing with reproducing by optical means
Landscapes
Semiconductor Lasers
(AREA)
Telescopes
(AREA)
Optical Head
(AREA)
Investigating Or Analysing Materials By Optical Means
(AREA)
JP50050732A1975-02-181975-04-28A data processing system
GrantedJPS51126846A
(en)