Abstract: A method for clutter filtering staggered pulse repetition time data signals is provided. The method comprises the steps of receiving a plurality of staggered pulse repetition time data signals. The data signals may comprise one or more desired signals and one or more clutter signals. The method further comprises separating the staggered pulse repetition time data signals into a first separated data sequence and a second separated data sequence. The first and second separated data sequences comprise equally spaced data samples. The method also comprises the step of filtering the one or more clutter signals from the first and second separated data sequences.

Abstract: A storage process for electronic messages, the process including the steps of receiving an electronic message over a messages network, generating metadata for the message that verifies content of the message, and archiving the message and the metadata to verify sending and content of the message. The invention also relates to a system for storing electronic messages. The process and system are particularly useful in situations where it is necessary to verify the contents of an electronic message to ensure that it is not altered. One advantage of the invention is that it provides a secure tamper-proof record of electronic messages that is kept secure and cannot be readily destroyed.

Abstract: The Action Sequence Sports Collectible is a bound, graphical publication possessing an enhanced collectible value which utilizes the phenomena of persistence of vision of the eye and the human mind to render, through the rapid sequential presentation of a series of printed two-dimensional images, the actions of a subject athlete. The invention comprises a bound stack of flexible planar leaves on which are imprinted successive photographic renderings of an extreme sports stunt or similar athletic activity. It preserves the recognized attributes of the traditional collector card while representing an enhanced visual experience and collecting opportunity for the user.