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US Patent 8416424 Laser self-mixing measuring device

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US Patent 11992337 Wearable self-mixing interferometry device used to sense physiological conditions
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US Patent 11906303 Wearable skin vibration or silent gesture detector
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US Patent 11874110 Self-mixing interferometry device configured for non-reciprocal sensing
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US Patent 11861072 Self-mixing interferometry-based input device
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Patent abstract

A laser self-mixing measuring device is provided, comprising a laser with a laser cavity and a surface arranged along the optical path of the laser beam which redirects incident laser light back into the laser cavity. The surface comprises a periodic structure which diffracts the laser light into partial beams.

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US Patent 11774342 Particulate matter sensors based on split beam self-mixing interferometry sensors
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Patent Inventor Names
Carsten Heinks0
Klaus Peter Werner0
Marcel Franz Christian Schemmann0
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US Patent 11692809 Self-mixing interferometry-based absolute distance measurement with distance reference
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US Patent 08416424 Laser self-mixing measuring device US Patent 8416424 Laser self-mixing measuring device

Infobox
Patent Number
08416424
Patent Number
8416424
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 US Patent 08416424 Laser self-mixing measuring device

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
08416424
Date of patent
April 9, 2013
Patent application number
13001838
Date Filed
June 30, 2009
Patent primary examiner
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Tarifur Chowdhury

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