Surface acoustic wave sensor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 13, 2001
Issued Date -
N/A
app pub date -
Feb 23, 2000
filing date -
Oct 20, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a sensor comprising a housing, through which a medium to be examined is conducted, the housing includes at least two passive building components capable of oscillating and oscillator circuits of which each includes an amplifier component and a variable phase shifting component providing for a phase shift range sufficiently large to switch the oscillating components off while the amplifier component remains operating.
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