Testing method and apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Sep 6, 2001
app pub date -
Jan 22, 2001
filing date -
Jan 21, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Apparatus for testing an alarm sensor includes a receiver, means for modifying a signal received by the receiver to simulate a 'moving target' return signal, means for varying the power of the modified signal, a transmitter for transmitting the modified signal to the sensor, and means for detecting a signal output by the alarm sensor. The sensor is mounted on an opposite side of an anechoic chamber to the transmitter and the receiver. The apparatus includes a controller to reduce the attenuation of an attenuator, forming part of the power varying means, from a high level until the modified signal received by the alarm sensor is large enough to trigger an output signal.
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