发明授权
- 专利标题: Gas indicator and gas sensor sheet
- 专利标题(中): 气体指示器和气体传感器片
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申请号: US09897659申请日: 2001-06-29
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公开(公告)号: US06852281B2公开(公告)日: 2005-02-08
- 发明人: Hiroshi Inoue , Satoshi Maruyama , Masahiro Yasunaga
- 申请人: Hiroshi Inoue , Satoshi Maruyama , Masahiro Yasunaga
- 申请人地址: JP Osaka
- 专利权人: Sakura Color Products Corporation
- 当前专利权人: Sakura Color Products Corporation
- 当前专利权人地址: JP Osaka
- 代理机构: Knobbe, Martens Olson & Bear LLP
- 优先权: JP2000-197766 20000630; JP2000-259716 20000829; JP2001-22208 20010130
- 主分类号: G01N31/22
- IPC分类号: G01N31/22 ; G01N33/00 ; G01N33/497
摘要:
The invention designed to provide a gas indicator which can be applied over a broad range of gas concentration from a low concentration gas to a high concentration gas is concerned with a gas indicator comprising a housing and a change-color gas sensor element with which the housing is loaded, the housing internally defining a gas passage space extending from its gate through its bottom with the area of its cross-section parallel to the plane of the gate being progressively reduced from the gate to the bottom.
公开/授权文献
- US20020083883A1 Gas indicator and gas sensor sheet 公开/授权日:2002-07-04