发明授权
US4872154A Method for recording indicia for indicating presence or absence of error
in medium after error checking and apparatus therefor
失效
用于在错误检查之后记录介质中存在或不存在错误的标记的方法及其装置
- 专利标题： Method for recording indicia for indicating presence or absence of error in medium after error checking and apparatus therefor
- 专利标题（中）： 用于在错误检查之后记录介质中存在或不存在错误的标记的方法及其装置
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申请号： US98066申请日： 1987-09-17
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公开(公告)号： US4872154A公开(公告)日： 1989-10-03
- 发明人: Wataru Sakagami , Katsumi Iijima
- 申请人： Wataru Sakagami , Katsumi Iijima
- 申请人地址： JPX Tokyo
- 专利权人： Canon Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX61-222171 19860922; JPX61-222172 19860922; JPX62-35898 19870220; JPX62-35899 19870220; JPX62-78014 19870331
- 主分类号： G11B7/0033
- IPC分类号： G11B7/0033 ; G11B7/004 ; G11B20/18
摘要：
There is disclosed an information record method comprising the steps of recording information in one record area of an information record medium having a plurality of record areas, reproducing the recorded information and checking error thereof, and recording an indicia indicating absence of error at a portion of the record area in accordance with an error check result. An information record apparatus used for the above method comprises a device for recording information on an information record medium having a plurality of record areas, a device for moving the record device to a record area to which information is to be recorded, a device for reproducing the information recorded in the record area, a device for checking error based on the reproduced information, and a device for recording an indicia for indicating absence of error at a portion of the record area in accordance with error check result.
公开/授权文献
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