发明名称 |
PROCESS DEVICE WITH LIGHT CHANGE TRIGGERED DISPLAY |
摘要 |
A field device comprises a transducer, a photodetector, a display, and a display controller. The transducer controls or monitors process variable, and the display shows information relating to the process variable. The photodetector detects a light level. The display controller is capable of switching the display on and off in response to changes in the light level detected by the photodetector. |
申请公布号 |
WO2012158599(A3) |
申请公布日期 |
2013.01.10 |
申请号 |
WO2012US37739 |
申请日期 |
2012.05.14 |
申请人 |
ROSEMOUNT INC.;JOHNSON, JAMES;NELSON, RICHARD |
发明人 |
JOHNSON, JAMES;NELSON, RICHARD |
分类号 |
G06F1/00;G06F1/28;G09G5/00 |
主分类号 |
G06F1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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