Good Vibes

Pat DeSantisJames SilviaTravis Collins

Bitar Team 2

What is our Product?

• Modular Fire Alarm for the deaf or hearing impaired

• Simple to install• Requires no wiring

What does it do?

The Need?

• How to wake a deaf person from sleep during an emergency?

• Sight• Smell• Touch• Taste• Hearing

Proposal

• A modular fire alarm system for home use that will wake the deaf/hearing impaired while asleep.

• Over 278 Million Deaf/Hearing ImpairedWorldwide.

• Efficiency: 27% (Lights) to 83% (Vibrator)

Market Research

Customer Requirements

• Affordable• Easy to install• Modular• Work will any existing fire alarm siren• Battery Backup• Bullet-Proof upon operation (Implicit)• Small, non-intrusive (Implicit)

Product Specifications

• Reset Button• AC/DC Converter• Effective Vibration Motor• Accurate Microphone• T3 Pattern Recognition

Artist’s Rendering

Competition

Gentex Smoke Detector

• -$130• - employ a bright flashing

LED in addition to the loud beeping sound

http://www.adcohearing.com/media/MI_6524.jpg

Shake-Up Smoke Detector and Bed Shaker

• -$270• -custom smoke

detector that has a built-in transmitter

http://productsforthedeaf.com/library/SC-SYS50011.jpg

Competitive Value Analysis

CharacteristicsWeight

Reliability50

Cost30

Installation10

Modularity5

Portability5

Total100

Competitors

Gentex 2 2 1 1 2 180

Shake-Up 3 1 2 1 2 215

WPI 3 3 3 3 3 300

System Block Diagram

Input Signal

Band Pass Filter

Voltage Comparator

Shift RegisterLogic Circuit

Vibration Motor

JK Flip Flop Power Transistor

Input Signal

• Sound from any current fire alarm system

• 3 – 3.2 kHz• Above 85 dB• T3 Sound Standard

Input Signal

Band Pass Filter

Voltage Comparator

Shift RegisterLogic Circuit

Vibration Motor

JK Flip Flop Power Transistor

Microphone Schematic

Signal Processing

• Band Pass Filter– 3000-3200Hz

• Voltage Comparator– Determine if sound is above dB

threshold

• Shift Register– Sample every half second

• Logic Circuit– Recognize T3 pattern

Input Signal

Band Pass Filter

Voltage Comparator

Shift RegisterLogic Circuit

Vibration Motor

JK Flip Flop Power Transistor

Bandpass Filter Schematic

3000-3200Hz

Digital Signal Processing Schematic

Switch

• JK Flip Flop• Power Transistor

Input Signal

Band Pass Filter

Voltage Comparator

Shift RegisterLogic Circuit

Vibration Motor

JK Flip Flop Power Transistor

Output Schematic

Output

• Vibration Motor

Input Signal

Band Pass Filter

Voltage Comparator

Shift RegisterLogic Circuit

Vibration Motor

JK Flip Flop Power Transistor

Good Vibes

Product Results

• Current Status: Functional Prototype!• Meets our basic design criteria!• Expect a final result within the next week, with a

couple enhancements.

Enhancements

• Microphone– Increase input radius

• Vibration Device– Sleek, durable, custom-made enclosure– More powerful vibration motor

• Implement main housing

Cost Analysis

• Fixed Cost: $150,000• Unit Cost: $32.00 at 100,000 units• Total Production Cost: $3.35 million• Selling Price: $100.00• Total Revenue: $10 million• Profit: $6.65 million• Return on Investment: 1.98

Video

Questions?