CIRCUIT FOR SIGNAL PROCESSING OF A PASSIVE INDUCTIVE PROXIMITY SENSOR ARRANGEMENT
DE602022038380T2Active Publication Date: 2026-06-17GE AVIATION SYSTEMS LLC
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- GE AVIATION SYSTEMS LLC
- Filing Date
- 2022-06-20
- Publication Date
- 2026-06-17
AI Technical Summary
Technical Problem
Existing inductive proximity sensors for aircraft require complex electronics to detect minute changes in inductance, which are prone to failure and do not function reliably in harsh environmental conditions.
Method used
A simplified circuit using a passive inductive coil with a reference inductor and a redundant detection mechanism to detect changes in inductance, utilizing a bridge detector circuit and comparators to compensate for non-idealities and provide redundancy.
Benefits of technology
The solution enhances reliability and sensitivity in detecting metal proximity while operating over a wide temperature range, with increased resistance to power surges and environmental fluctuations.
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