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SYSTEM AND METHOD FOR NEAR-FIELD HUMAN-BODY COUPLING FOR ENCRYPTED COMMUNICATION WITH IDENTIFICATION CARDS
SYSTEM AND METHOD FOR NEAR-FIELD HUMAN-BODY COUPLING FOR ENCRYPTED COMMUNICATION WITH IDENTIFICATION CARDS
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机译:识别卡加密通信近场人体耦合的系统和方法
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摘要
AN APPARATUS AND METHOD ARE DISCLOSED FOR ENCODING AND TRANSFERRING DATA FROM A TRANSMITTER (5) TO A RECEIVER (7), USING THE HUMAN BODY AS A TRANSMISSION MEDIUM. THE TRANSMITTER INCLUDES AN ELECTRIC FIELD GENERATOR, A DATA ENCODER WHICH OPERATES BY MODULATING THE ELECTRIC FIELD, AND ELECTRODES (16) TO COUPLE THE ELECTRIC FIELD THROUGH THE HUMAN BODY. THE RECEIVER INCLUDES ELECTRODES (18), IN PHYSICAL CONTACT WITH, OR CLOSE PROXIMITY TO, A PART OF THE HUMAN BODY, FOR DETECTING AN ELECTRIC FIELD CARRIED THROUGH THE BODY, AND A DEMODULATOR (20) FOR EXTRACTING THE DATA FROM THE MODULATED ELECTRIC FIELD. AN AUTHENTICATOR (22), CONNECTED TO THE RECEIVER, PROCESSES THE ENCODED DATA AND VALIDATES THE AUTHENTICITY OF THE TRANSMISSION. THE APPARATUS ANDMETHOD ARE USED TO IDENTIFY AND AUTHORIZE A POSSESSOR (32) OF THE TRANSMITTER. THE POSSESSOR THEN HAS SECURE ACCESS TO, AND CAN OBTAIN DELIVERY OF, GOODS AND SERVICES SUCH AS THE DISTRIBUTION OF MONEY, PHONE PRIVILEGES, BUILDING ACCESS, AND COMMODITIES. ENCRYPTION PROVIDES RAPID TRANSMISSION AND AUTHENTICATION OF THE TRANSMITTER, AND A PLURALITY OF SIMILAR TRANSMITTERS, WITH MINIMUM VULNERABILITY TO COUNTERFEIT. SIGNAL PROCESSING AND DIGITAL COMMUNICATION COMPONENTS ACCOMMODATE VARIATIONS IN LOCATION AND ORIENTATION OF THE TRANSMITTER AND RECEIVER, AND PROVIDE TRANSMITTERS WITH LONG LIFE TIMES AND HIGH RELIABILITY. (FIGURE 1)
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