Abstract: A request to activate a service may be received from a user device and a determination may be made as to whether the request is authorized or fraudulent. In particular, a geographical location of the user device may be determined. Whether to activate the service may be determined based on the geographical location of the user device.

Abstract: An assembly is provided for mounting a vibration transducer such as an accelerometer with a hand grip and probe for hand-held vibration data gathering. By the simple maneuvering of plugging in a transmission cable and accelerometer connector, following which a forward retainer is screwed down upon the accelerometer and probe assembly, a hand grip based device is provided. Conversely, a configuration utilizing an accelerometer alone or with a permanent magnet becomes available with a simple demounting procedure involving merely the untightening of the forward retainer and the plugging in of a transmission cable. This affords the technician a simple opportunity for using a desired hand grip and hand grip based entry switch as well as a convenient technique for utilizing an accelerometer in stand-alone fashion or with a permanent magnet connector feature.

Abstract: A time discrete digital reformattor reformats analog data from a detector system that includes a plurality of detectors. The time discrete digital reformattor includes a summing circuit, an input circuit in which a single input of the input circuit is connected to a single detector of the detector system, a first time discrete digital memory is electrically connected to receive outputs from the input circuit and a second time discrete digital memory is electrically connected to cooperate with the first time discrete digital memory and the summing circuit.

Abstract: System and apparatus for monitoring vibrational and other detected aspects of a machine. Transducer outputs are scanned through the use of a microprocessor, the memory components of which retain pre-determined set point information. The channel representing a given transducer output is displayed visually on the apparatus for 5 second intervals in combination with a linear form of disply showing monitored transducer values as well as set point values. In the event of detected threshhold level warnings or the like, additional visual indicators representing both system and channel status conditions are energized. The system includes a small, hand-held programmer by which any of a broad variety of functions may be readily entered into the memory of the processor through the simple manipulation of a single potentiometer. During the programming procedure, the values being inserted are displayed on the noted bar chart. Preferably, the chart is present as a linear array of 50 LEDs.

Abstract: An intrinsic safety barrier for use in combination with electromagnetic transducers which are intended to generate alternating current signals in hazardous zones and to transmit such alternating signals out of the hazardous zone to remote signal-responsive installations. The intrinsic safety barrier permits transmission of alternating current signals without significant distortion and yet precludes introduction of surges of electrical energy into the hazardous area.