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基本信息:
- 专利标题: Method and apparatus to detect an external source
- 专利标题(中):Verfahren und Vorrichtung zum Ermitteln einer externen Quelle
- 申请号:EP05002737.4 申请日:2005-02-10
- 公开(公告)号:EP1564702A1 公开(公告)日:2005-08-17
- 发明人: Lian, Ming-Ren , Shafer, Gary Mark , Patterson, Hubert A.
- 申请人: Sensormatic Electronics Corporation
- 申请人地址: 6600 Congress Avenue Boca Raton, Florida 33487 US
- 专利权人: Sensormatic Electronics Corporation
- 当前专利权人: Sensormatic Electronics Corporation
- 当前专利权人地址: 6600 Congress Avenue Boca Raton, Florida 33487 US
- 代理机构: Hafner, Dieter, Dr.
- 优先权: US780024 20040217
- 主分类号: G08B13/24
- IPC分类号: G08B13/24 ; G08B25/10
摘要:
A method and apparatus to detect an external source are described.
The oscillation characeristics of an oscillator are modified by the external source. These characteristics can be detected.
摘要(中):
The oscillation characeristics of an oscillator are modified by the external source. These characteristics can be detected.
描述了检测外部源的方法和装置。 振荡器的振荡特性由外部源改变。 可以检测出这些特性。
公开/授权文献:
- EP1564702B1 Method and apparatus to detect an external source 公开/授权日:2007-12-12
IPC结构图谱:
G | 物理 |
--G08 | 信号装置 |
----G08B | 信号装置或呼叫装置;指令发信装置;报警装置 |
------G08B13/00 | 夜盗、偷窃或入侵者报警器 |
--------G08B13/22 | .电作用的 |
----------G08B13/24 | ..靠干扰电磁场分布的 |