发明授权
US3944829A Method and apparatus for processing a video signal from a scanning
electron microscope
失效
用于从扫描电子显微镜处理视频信号的方法和装置
- 专利标题: Method and apparatus for processing a video signal from a scanning electron microscope
- 专利标题(中): 用于从扫描电子显微镜处理视频信号的方法和装置
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申请号: US454808申请日: 1974-03-26
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公开(公告)号: US3944829A公开(公告)日: 1976-03-16
- 发明人: Masayuki Sato
- 申请人: Masayuki Sato
- 申请人地址: JA Tokyo
- 专利权人: Nihon Denshi Kabushiki Kaisha
- 当前专利权人: Nihon Denshi Kabushiki Kaisha
- 当前专利权人地址: JA Tokyo
- 优先权: JA48-35285 19730327
- 主分类号: H01J37/22
- IPC分类号: H01J37/22 ; H01J37/28 ; H04N5/21
摘要:
A scanning electron microscope for displaying a scanning image utilizing a time distributed pulsed video signal. The low frequency noises in the pulsed signal are deleted according to the occurrence of sudden pulse intensity variation between adjacent video pulse signals.
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