Location authentication stamp attached to messages

Details Location authentication stamp attached to messages Location authentication stamp attached to messages

2000-10-24

2009-08-11

Nalven, Andrew L (Department: 2434)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

Reexamination Certificate

active

07574606

ABSTRACT:
A location stamp automatically attached to messages indicates location information such as longitude and latitude information from a GPS device. The location stamp helps a receiver to identify the location of the sender or a transaction, identify the sender, and provides context to the message that further indicates the messages meaning. Applications of the location stamp include authentication of the location of a sender or a transaction and identifying the location of a sender for a search and rescue.

REFERENCES:
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patent: 5990827 (1999-11-01), Fan et al.
patent: 6067529 (2000-05-01), Ray et al.
patent: 6240360 (2001-05-01), Phelan
patent: 6456854 (2002-09-01), Chern et al.
patent: 6687504 (2004-02-01), Raith
patent: 6829230 (2004-12-01), Tiuri

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