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Cordless Phone Paging Device Group #13 Chrissy Hart Charlinda Catchings T.A. Shao Hsia

Cordless Phone Paging Device Group #13 Chrissy Hart Charlinda Catchings T.A. Shao Hsia. Cordless Phone Paging Device. Idea Original Design Modified Design Future Improvements Questions Appreciation. Cordless Phone Paging Device. Idea

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Cordless Phone Paging Device Group #13 Chrissy Hart Charlinda Catchings T.A. Shao Hsia

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  1. Cordless Phone Paging Device Group #13 Chrissy Hart Charlinda Catchings T.A. Shao Hsia

  2. Cordless Phone Paging Device • Idea • Original Design • Modified Design • Future Improvements • Questions • Appreciation

  3. Cordless Phone Paging Device • Idea • Current Paging Devices on Cordless Phones: • Beeping Sound • Our Design: • Lighted Display of Phone Location

  4. Cordless Phone Paging Device Original Design • Zone Boundaries • Two antennas at each boundary • Virtual map of the home • Detects a change in signal transmission

  5. Cordless Phone Paging Device

  6. Cordless Phone Paging Device Original Design - Problems • Transceiver Chip • Proximity of the boundary antennas • Noise effects on the design

  7. Cordless Phone Paging Device Modified Design • Defined Zones • Handset • Zones • Base

  8. Cordless Phone Paging Device Modified Design - Handset • Constantly Transmitting • Timer • Inverter • Transmitting Antenna

  9. Cordless Phone Paging Device Modified Design - Zone • Constantly Transmitting and Receiving • Receiving Antenna • Basic Stamp • Transmitting Antenna

  10. Cordless Phone Paging Device Modified Design - Base • Constantly Receiving • Receiving Antenna • Amplifier • HC 12 • Display

  11. Cordless Phone Paging Device Modified Design – Challenges • Handshaking between Basic Stamp and HC12 • BSII value: 11111101 • Transmitted/Received value: (1)01000000 • HC12 value: (idle 1)(start 0)00000001 • Learning to use the HC12 • Learning to use Basic Stamp • Hardware issues

  12. Cordless Phone Paging Device Future Improvements • More Zones • Zone Power supply • Antenna Improvements • Display

  13. Cordless Phone Paging Device Questions ?

  14. Thank You! Shao Hsia Julio Urbina Lee Rumsey

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