Portable electro-magnetic radiation sensor warning device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 5, 2000
Grant Date -
N/A
app pub date -
Jan 7, 1999
filing date -
Jan 7, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A portable, compact, freestanding sensor housing is configured to be stably and removably affixed relative to a metering device having a movable indicator element. The housing includes a transmitter for emitting electro-magnetic radiation and a receiver for receiving electro-magnetic radiation. The transmitter and the receiver are positioned to define a reflective region within which an object will reflect electro-magnetic radiation emitted from the transmitter toward the receiver. A signal generator, in communication with the receiver, generates a signal indicating that the movable indicator element is located within the reflective region. A sensor warning device affixed relative to the metering device will thereby generate a signal when the movable indicator element is located within the reflective region.
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