Patent ID: 7319485

Claim:
An apparatus for recording data comprising: an input sensor for receiving data; a buffer coupled to the input sensor wherein the buffer comprises a plurality of storage portions structured and arranged to cyclically cascade from one to another, the plurality of storage portions including at least a first storage portion configured to store data at a first rate, a second storage portion configured to store data at a second rate and a third storage portion configured to store data at a third rate; a central processing unit coupled to the buffer and the input sensor wherein the central processing unit stores the data in the plurality of storage portions in a circular fashion including storing data from the first storage portion into the second storage portion once the first storage portion reaches a first predetermined threshold; and storing data from the second storage portion into the third storage portion once the second storage portion reaches a second predetermined threshold; and an interface coupled to the buffer for allowing a remote data accessing device to access a specific portion of the data stored in the buffer.