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Interspecies Communication Assistance Device

A compact and customizable device that enables speech-impaired individuals to give commands to their assistance animals. With touch-activated large buttons, it is ideal for those with limited motor control. It can be attached to a wheelchair and allows for recording and changing of commands as needed.

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Interspecies Communication Assistance Device

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  1. Interspecies Communication Assistance Device Hannah Medford and Terri Schehl COMP 290

  2. Product Specifications A device enabling speech impaired individuals to give commands to their assistance animals. • Commands can be recorded by the trainer and changed as needed. • Touch activated – large buttons for those with limited motor control • Small size, attachable to wheelchair

  3. Commercially Available Products • A sophisticated PC version • An unsophisticated version used in classrooms • An expensive portable version • We feel we can make a less expensive product better suited to the task of instructing service animals Skypoint.com $695.00 enablingdevices.com $99.95

  4. Components • Sound chip – ISD 2560 • Logic chips - NOR 4001B, NAND 4011B, CD74HCT157E • Speaker • Box • 4 Buttons • 2 Switches • Approximate cost of unit: $22

  5. Device Block Diagram

  6. ICAD - Interspecies Communication Assistance Device • Eight recorded commands • Four buttons and a switch • On/off switch • Rerecordable – requires top to be removed • Jacks for speaker and microphone

  7. Improvements • Larger buttons • Switch which is easier to operate • Smaller box • Smaller speaker • Wheelchair mount • Needs to be soldered together

  8. Treat Dispenser • For those in wheel chair with limited motor control and assistance dogs • Easily dispense single treat • Allows for reinforcement and bonding with assistance animal

  9. Our Design • Gross motor control necessary • Pull top of dispenser down to release treat • Stores ~10 Milk-Bone dog treats • Materials: gumball tube, M&M’s dispenser, tape, glue • Cost: ~$7

  10. Reliability needs improvement; zero or all the treats may be dispensed 1 treat is dispensed ~80% of the time Other design possibilities : Stepper motor to turn wheel, Solenoid to push treat out of spring loaded dispenser Improvements

  11. Several trainers mentioned a need for a treat dispenser, and currently no product is available. Our design requires improvement, however, it is inexpensive and easy to build. Conclusions

  12. Conclusions • The communication device is a cheaper alternative, but still needs improvements. • With a few small modifications it is functional for those with no motor control challenges.

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