Abstract: Method and system allowing more accurate detection and identification of unwanted arcing include novel processing of signal voltage representing recovered power-line current. In one implementation, arc-faults are detected based on numerical analysis where individual cycles of line voltage and current are observed and data collected during each cycle is processed to estimate likelihood of presence of arc-event within each individual cycle based on pre-defined number of arc-events occurring within pre-defined number of contiguous cycles.

Abstract: Apparatuses and methods for passively monitoring the integrity of current sensing devices and associated circuitry in protective devices such as Ground Fault Circuit Interrupters and Arc Fault Circuit Interrupters are provided. A protection circuit interrupter employs a capacitively coupled noise signal obtained by an arrangement of one or both of the line side arms relative to a Rogowski coil. The noise signal is monitored while the line and load sides of a protective circuit interrupter are disconnected, and the connection of the line and load sides disabled if the noise signal fails to correlate sufficiently to a reference noise cycle. When the line and load sides are connected, the RMS value of the observed current signal is monitored such that the line and load sides are disconnected if the observed current signal fails to meet an RMS threshold.

Abstract: An electronic program guide may be provided. A plurality of encoded content streams may be received along with associated program guide information. The content streams may be re-modulated and associated with new channel assignments. Program guide entries for the content streams may be created and/or updated to reflect the new channel assignments. The re-modulated content streams and program guide entries may then be distributed to a plurality of display devices.

Abstract: Method and system allowing more accurate detection and identification of unwanted arcing include novel processing of signal voltage representing recovered power-line current. In one implementation, arc-faults are detected based on numerical analysis where individual cycles of line voltage and current are observed and data collected during each cycle is processed to estimate likelihood of presence of arc-event within each individual cycle based on pre-defined number of arc-events occurring within pre-defined number of contiguous cycles.

Abstract: An electronic program guide may be provided. A plurality of encoded content streams may be received along with associated program guide information. The content streams may be re-modulated and associated with new channel assignments. Program guide entries for the content streams may be created and/or updated to reflect the new channel assignments. The re-modulated content streams and program guide entries may then be distributed to a plurality of display devices.

Abstract: A system and method for automatic gain and slope equalization for provisioning telephone circuits is provided. A first unit is installed at the company end of a copper pair transmission line. A second unit is installed between customer premises equipment (CPE) and the copper pair transmission line. The second unit is programmed to disconnect the CPE, and to transmit a test signal, preferably comprising a square wave with a known amplitude and fundamental frequency of 1 kHz. The signal is received at the first unit, and the fundamental frequency and odd harmonic frequencies are analyzed. Based on the analysis, the first unit thereafter compensates for impairments in the transmission line. The test procedure can be initiated from either the first unit or the second unit. The first unit is programmed to produce a command sequence, preferably comprising a series of DC voltages applied to the tip and ring leads, and received at the second unit.

Abstract: A computer program for an interactive computer music game is stored on a medium that can be read by a general purpose computer. When read and executed, the program causes the computer to perform functions, including associating a music track on a user compact disc (CD) inserted in the computer's CD-ROM drive with a selected song associated with a music track on a reference CD, and synchronizing music data stored by the computer to the music track on the user CD, where the music data has been derived from the music track on the reference CD associated with the selected song. The program generates user-CD data characteristic of the digital data on the user-CD track, and compares the user-CD data with reference-CD data characteristic of the digital data on the reference-CD track.

Abstract: A musical instrument including an actuator which generates a plurality of signals in response to being played by a user; an audio synthesizer which generates audio tones in response to control signals; a memory storing a musical score for the actuator; a video display unit; and a digital processing means controlling the audio synthesizer and the video display unit. The stored musical score includes a sequence of lead notes each of which has an associated time stamp to identify a time at which it is supposed to be played in the musical score.

Abstract: A virtual musical instrument including a hand-held accessory of a type that is intended to be brought into contact with a musical instrument so as to play that instrument. The hand-held accessory includes a switch which, in response to the hand-held accessory being caused to strike another object by a person holding it, generates an activation signal. The musical instrument also includes an audio synthesizer; a memory storing a sequence of notes data structures for a musical score, each of the notes data structures representing a note or notes within said musical score and having an identified location in time relative to the other notes in the sequence; a timer; and a digital processor receiving the activation signal and generating a control signal therefrom.

Abstract: A musical instrument including an actuator which generates a plurality of signals in response to being played by a user; an audio synthesizer which generates audio tones in response to control signals; a memory storing a musical score for the actuator; a video display unit; and a digital processing means controlling the audio synthesizer and the video display unit. The stored musical score includes a sequence of lead notes each of which has an associated time stamp to identify a time at which it is supposed to be played in the musical score.