Handheld instrument capable of measuring heartbeat and...

Communications: directive radio wave systems and devices (e.g. – Transmission through media other than air or free space

Reexamination Certificate

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Reexamination Certificate

active

07898455

ABSTRACT:
The apparatus of the present invention consists of a MicroPower Radar (MPR), a data acquisition (DAQ) element and a PDA. The radar sends a short, low-amplitude signal of radio-frequency (RF) energy toward the target scene. This signal reflects from the target and is received as a Doppler change. RF has the advantages of penetrating clothing while operating at one fiftieth the power of a cellular or cordless phone. This Doppler change in signal amplitude is filtered, amplified and presented to the DAQ. The DAQ converts the analog Doppler signal into a digital bit-stream and passed to the processor. Proprietary software analysis is performed to further filter and to make a Live/Dead determination. The radar antenna is located at the back of the device and should be pointed toward the victim, the display facing the operator.

REFERENCES:
patent: 7148836 (2006-12-01), Romero et al.
patent: 7492325 (2009-02-01), Moosbrugger et al.
patent: 7567200 (2009-07-01), Osterweil
patent: 2006/0028369 (2006-02-01), Rausch et al.
patent: 2006/0061504 (2006-03-01), Leach et al.
patent: 2006/0170584 (2006-08-01), Romero et al.
patent: 2008/0238757 (2008-10-01), Lin et al.
patent: 2010/0026550 (2010-02-01), Rosenbury

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