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About RF Cafe
Copyright: 1996 - 2024 Web BSEE - KB3UON RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling
2 MB. Its primary purpose was to provide me with ready access to commonly needed
formulas and reference material while performing my work as an RF system and circuit
design engineer. The World Wide Web (Internet) was largely an unknown entity at
the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps
while tying up your telephone line, and a nice lady's voice announced "You've Got
Mail" when a new message arrived... All trademarks, copyrights, patents, and other rights of ownership to images
and text used on the RF Cafe website are hereby acknowl My Hobby Website: |
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Look Deep into My Eyes
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Look Deep into My Eyes Fingerprint and retina scanners are the security measures of choice by spy movie producers and even the U.S. government, but in South Korea and Japan, vein recognition is the preferred method. The system is widely used in Asia for cultural reasons, since hygiene is a prime concern there. No contact with the vein recognition scanner is required since it uses an infrared beam to map veins on the back of the hand. Fingerprint and retina scanners require the scanee to physically touch the device. Vein recognition will start appearing in North America later in 2004. |
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