Sunday, August 24, 2008

Final Research

Just doing some final researches on business cards and the scanner mechanisms... Wanted to make sure that in the next 5 years time my design will actually be possible in the making.

History of BC
http://en.wikipedia.org/wiki/Business_card

Scanner System
http://computer.howstuffworks.com/scanner2.htm
This one was really helpful in the sense that although it provided the structures and everything in the traditional CCD scanner, but it also made a point about the latest CIS (contact image sensor) which is the more efficient and less expensive substitute in terms of manufacturing; and it got me into deeper research:

CMOS Image Sensors
http://www.chin.gc.ca/English/Digital_Content/Capture_Collections/Sub_sections/cap_image_sensors.html
http://en.wikipedia.org/wiki/Contact_Image_Sensor
http://www.liteon-semi.com/_en/02_cis/02_about.php?ID=7
CMOS is what they use for quality photography cameras nowadays which are also adopted for mobile phone cameras - so this in terms of size and image quality I think would be really good for my scanning device

Then I looked into how the mechanisms really work... in order to show it in my CAD general assembly drawing
http://www.freepatentsonline.com/5187596.html
http://www.thiel.edu/digitalelectronics/chapters/appg_html/appg.htm


Took me a few days to find these links (went through a dozen random ones... was on the edge of needing to call experts up) but at least it wasn't all in vain!

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