PERSONAL THERMAL INFRARED SIGNALING DEVICE
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United States of America Patent
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Issued Date -
Sep 12, 2013
app pub date -
Feb 16, 2013
filing date -
Mar 12, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A thermal infrared (TIR) signaling device includes and exothermally reactive material such as charcoal, which when ignited, burns and emits an infrared (IR) signal in a TIR wavelength band. The IR signal is modulated to reach a defined field of view in a required blinking pattern. The blinking may be intermittent. Exemplarily, the modulation achieved by a rotating mirror with reflective front- and back-sides, the back-side used to reflect the sky. Optionally, the device may include a detector sensitive to range-finder radiation and operationally connected to an ignition train which includes an igniter for igniting the reactive material and/or a built-in test unit for providing the user with an indication of a device status.
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