Foldable, Lockable Tent Microwave Metal Detector

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Foldable, Lockable Tent Microwave Metal Detector

• Red B
• Safety Security
• October 2, 2008

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The Tent

• Rigid structure collapses into a small package
• Carrying size (3x8x2)
• Becomes full size sturdy tent (6x6x5)
• Lockable
• Collapsible
• Durable

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Emergency Shelter Market

• Hurricane Katrina
• 200,000 houses destroyed
• In 2006, 60,000 trailers and still more waiting
• Customer FEMA
• Contact Red Cross
• Major Competitors Existing temporary solutions
  (FEMA trailers)

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Feasibility

• Technical difficulty
• Taking a flat sheet and folding into a tent
• Making solid rigid structure
• Pining together
• Practical to make

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Design Alternatives

• Customizable DIY Kit
• Sellable Idea with Building instructions

• Structure (Complex geometry)
• Rounded Tent
• Wall Material
• Locks
• Joining

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Microwave Metal DetectorRoss Wendell
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The Idea and Motivation

• A system which shuts off a microwave if sparks
  are detected

• Microwaves caused 7,400 fires in 2005
• 87 injuries and 18 million property damage.

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Customer and Market

• Customer Original Equipment Manufacturer
• Major microwave producers
• GE and Sharp have gt40 market share
• End-User households
• 13.5 million microwaves sold last year in US
• 3.8 billion sales

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Can We Detect Sparking?

• Light intensity
• Sound
• IR
• Magnetron power draw
• RF emission

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Light Intensity
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Sound
No Spark
Sparking
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False Positives?
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Future Work

• Try other sensing methods
• Establish detection thresholds
• Test for false positives
• Design of sensing and control circuitry

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Questions, Clarifications, Concerns?