Abstract: A suspicious entity is identified. An intelligent hash for the suspicious entity is generated, wherein the intelligent hash includes a set of metadata that is specific to the suspicious entity and at least some of the metadata is invariant over changes to the suspicious entity. The intelligent hash is transmitted to a server for evaluation of whether the suspicious entity corresponds to the malware entity. The server is adapted to determine whether the suspicious entity corresponds to the malware entity based on the intelligent hash. A result is received from the server specifying whether the suspicious entity corresponds to the malware entity.

Abstract: The spark gap device disclosed herein comprises at least two sets of electrodes enclosed within a common chamber. A delay line is connected between successive sets of electrodes. An arc which develops across the first set of electrodes as a result of a voltage transient ionizes the gas in the chamber. The voltage transient is delayed by the time required to travel through the delay line. When the voltage transient arrives at the second set of electrodes, an arc develops in less time than was required at the first set of electrodes due to the fact that the gas in the chamber has been at least partially ionized.

Abstract: A visual plot of a single valued function is rotated orthogonally and then iewed by a TV camera. The camera output is recorded on a video recorder and then played back to a digitizer. The digitizer horizontally scans the rotated plot and detects the time interval for each horizontal scan to intersect a respective point on the rotated plot. The intervals correspond to the amplitude of different points along the plot. The information derived may be stored for subsequent data processing.

Abstract: A conventional CRT is modified to include a vertical column of electrodes bedded in the face of the CRT. A single valued function is displayed on the CRT and the vertical and horizontal gains are adjusted to produce the desired sweep on the face of the CRT. The horizontal sweep is then disabled and the sweep is compressed to a single axis, coincident with the column of electrodes. The electron beam, corresponding to the plot, generates signals on the electrodes which are encoded to binary outputs. By continually decoding each three consecutive outputs, corresponding points of the plot are determined.