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Design Concepts for Ideal Data Acquisition Devices

This document outlines the design criteria for an ideal data acquisition device, emphasizing practical and technological features. Key specifications include a lightweight design (¾ lb.), an 8x11 or 8x14 bright screen, solar charging, wireless communication capabilities, and compatibility with existing software like Microsoft and Oracle. Additional input options such as barcode readers and unobtrusive audio features enhance usability. The discussion draws on existing devices like HP calculators and Motorola PDA models, analyzing their strengths and weaknesses in real-world applications.

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Design Concepts for Ideal Data Acquisition Devices

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  1. Discussion Ideal Data Acquisition Devices Mark J. Millard 3RD NCRPIS IT BACKUP

  2. HINT!!! There ain’t one in reality; ONLY VIRTUAL SHHH!

  3. Design of Ideal Device Start with Clipboard • Weight ¾ lb. = 350 grams • Screen 8 x 11 or 8 x 14 • Bright off-white with dark letters Add • Character Recognition • Weatherization • Lots of power – • Solar charging? • Make it wireless

  4. Add Alternate Inputs Add an earpiece and microphone • Make the earphone small • Make the microphone unobtrusive and able to filter out highways and lawnmowers • Make it wireless communicating with clipboard and database

  5. Add More Alternate Inputs Add a barcode reader • Make it scan independent of hands – Headset? Armband? • Make it scan barcodes in daylight from a distance • Make it wireless communicating with clipboard and on to database -- feedback to earpiece optional

  6. Add Good Software • Needs to be interactive at this time with Microsoft and Oracle products

  7. What are your thoughts on this design?

  8. HP Calculators • Very few products available at this price • Software …. Should I say difficult.

  9. Handheld HP 360 • Interacted fairly well with Microsoft products • Presented a spreadsheet interface easy to modify for any acquisition form

  10. HP Jornada 720 • Screen could not be seen in daylight

  11. Handheld Itronix Fex21 • Rugged – Water and Shock resistant • Medium weight 1 3/4 lbs / 790 grams

  12. Handheld Itronix Fex21Departure from Ideal • Medium weight 27.9 oz / 1 3/4 lbs - 790 grams • Screen 1/3 full sheet of paper • $800

  13. Juniper Systems -Allegro CE • Rugged • Visible in daylight • Medium weight 1.84 lbs • Medium weight 1.84 lbs • Screen small for size of device • Price on sale 1,975

  14. Tablets Fujitsu Sylistic • Screen size headed toward ideal • Operating System Powerful - Windows Tablet XP

  15. Tablets Fujitsu SylisticDeparture from Ideal • Heavy 3.5 lbs. Light for current tablets • Not rugged • Screen not bright and clear enough • Cost high end of laptops 2-3,000.

  16. Panasonic Toughbook-18 • Rugged • Daylight readable • Almost normal keyboard • Weight 4.5 lbs • Daylight readable • Price $3,000-4,000

  17. Last Year - Summer 2004 Palm Zire 72 • Lightweight 4.8 oz. / 136 grams • You can take pictures – 1.2 megapixel • Bluetooth connectivity to PC • You can record voice memos • Good handwriting recognition • $160-400

  18. Palm Zire 72Negative • Battery replacement? • Interactivity with Windows less precise • PDA to multiple machines problematic

  19. Currently Using on Maize Project Summer 2005 - HP iPAQ hx4700 • Lightweigt – 6.6 oz • Better than average screen visibility in daylight • You can voice record • Good Handwriting recognition • Bluetooth connectivity to PC • Removable battery

  20. Still Under EvaluationHP iPAQ hx4700 • Looking for a good barcode scanner option • Still looking for better screen visibility – Brighter? larger? • Still looking for software to easily move data into Access and on to GRIN • May not be the most weather hardy • $500-600

  21. Things that have gone wrong • Battery replacement impossible • Cradle connectivity wears out • Visibility in daylight absent • Scratched screens • Single PDA to multiple computers problematic • Abrupt loss of data when batter runs down • Not rugged, in fact delicate

  22. Baracoda pen • Won’t read tyvek barcode labels • Still working on implementation

  23. Things to look for • Lightweight • Good daylight visibility • Long Lasting power – 12 hrs. • Wireless rather than cradle for data exchange. Make the cradle connection not as critical • Ability to record memos • Single PDA to multiple computers • Software interactivity with Microsoft and Oracle products without expensive investments

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