4. Radiant energy
  5. Invisible radiant energy responsive electric signalling
  6. Infrared responsive

Douglas B. Pledger

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Apparatus for determining 3-axis space craft attitude

Measuring and testing – Navigation – Take-off and landing monitors
Patent

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Infrared sensor for short range detection wherein the sun may be

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent

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Method for determining 3-axis spacecraft attitude

Measuring and testing – Navigation – Take-off and landing monitors
Patent

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Wide field of view sensor with diffractive optic corrector

Measuring and testing – Navigation – Take-off and landing monitors
Patent

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Profile ID: LFUS-PAI-P-472119

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