发明授权
- 专利标题: Process for the storage and reproduction of information
- 专利标题(中): 存储和再现信息的过程
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申请号: US334357申请日: 1973-02-21
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公开(公告)号: US4087828A公开(公告)日: 1978-05-02
- 发明人: Erwin Lind , Dieter Messner
- 申请人: Erwin Lind , Dieter Messner
- 申请人地址: DT Frankfurt
- 专利权人: Hoechst Aktiengesellschaft
- 当前专利权人: Hoechst Aktiengesellschaft
- 当前专利权人地址: DT Frankfurt
- 优先权: DT2208727 19720224
- 主分类号: C09K3/00
- IPC分类号: C09K3/00 ; G02B27/00 ; G03C1/72 ; G03G5/02 ; G03G5/026 ; G03G15/05 ; G03G15/22 ; G03G17/00 ; G11B9/10 ; G11C11/30 ; G11C13/04 ; H04N1/30
摘要:
A process for patterned storage and reproduction of information in which a photoconductive recording material is altered by an electron beam in correspondence with the information, a free charge is applied to the photoconductive recording material and the flowing off of this charge is made visible differing in correspondence with the pattern.
公开/授权文献
- US6062878A IC card connector 公开/授权日:2000-05-16
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