System and method for near-field human-body coupling for encrypted communication with identification cards
November 14, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesMethod and apparatus for personal verification utilizing nonpredictable codes and biocharacteristics Method and apparatus for secure identification and verification Portable authentification system Method and apparatus for personal identification Personal security system Method and apparatus for personal identification Method and apparatus for user authentication Patent #: 5724423 InventorsApplicationNo. 749865 filed on 11/14/1996US Classes:713/182, SYSTEM ACCESS CONTROL BASED ON USER IDENTIFICATION BY CRYPTOGRAPHY380/52, Including particular structure or housing (e.g., display, keyboard)380/265, Combining outputs of shift register455/100, Body attached or connected705/72, Verifying PIN713/168Particular communication authentication techniqueExaminersPrimary: Cain, DavidAttorney, Agent or FirmInternational ClassH04L 009/00AbstractAn apparatus and method are disclosed for encoding and transferring data from a transmitter to a receiver, 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 to couple the electric field through the human body. The receiver includes electrodes, 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 for extracting the data from the modulated electric field. An authenticator, connected to the receiver, processes the encoded data and validates the authenticity of the transmission. The apparatus and method are used to identify and authorize a possessor 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.Other References
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