发明授权
- 专利标题: Identification mark operating with acoustic surface waves
- 专利标题(中): 用声表面波操作的识别标记
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申请号: US701492申请日: 1996-08-22
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公开(公告)号: US5841214A公开(公告)日: 1998-11-24
- 发明人: Frank Schmidt , Valentin Magori , Leonhard Reindl , Thomas Ostertag
- 申请人: Frank Schmidt , Valentin Magori , Leonhard Reindl , Thomas Ostertag
- 申请人地址: DEX Munich
- 专利权人: Siemens Aktiengesellschaft
- 当前专利权人: Siemens Aktiengesellschaft
- 当前专利权人地址: DEX Munich
- 优先权: DEX4405647.8 19940222
- 主分类号: G06K17/00
- IPC分类号: G06K17/00 ; G01S13/02 ; G01S13/04 ; G01S13/74 ; G01S13/75 ; G06K7/10 ; G01S13/80
摘要:
An identification mark operating with acoustical surface waves includes at least one reflector having higher reflectivity than a reflectivity of other reflectors.
公开/授权文献
- US5198885A Ceramic base power package 公开/授权日:1993-03-30