De Bortoli, Eros

Battery assembly for industrial machinery, characterized by comprising: - a battery pack comprising one or more battery cells; - a containment tank housing said battery pack; - a closing lid for said containment tank; - a plurality of first power connectors fixed to said closing lid and electrically connected to the battery cells of said battery pack; - an electronic unit suitable for controlling the operation of said battery pack; - a plurality of second power connectors fixed to the containment casing of said electronic unit and electrically connected to power circuits (51) of said electronic unit; - first reversible electrical connection means for electrically connecting, in a removable manner, said first power connectors to said second power connectors; - first reversible fastening means for removably fixing the containment casing of said electronic unit to said closing lid.

The present invention relates to a residual current device (500) for low-voltage electrical systems. The residual current device (500) comprises:- a detection stage (2) that, in operation, is coupled to an electric line (100), wherein said detection stage (2) is configured to detect a residual current in said electric line (500) and provide a detection signal (V(t)) indicative of said residual current;- an electronic stage configured to receive and process said detection signal;The electronic stage (3) comprises a signal processing unit (30) configured to process said detection signal (V(t)) and, possibly, determine whether the electric line is subject to an earth leakage fault. According to further aspects, the present invention relates to a method for detecting a residual current in an electric line (100) and a method for determining the presence of an earth leakage fault in an electric line (100).

A detection arrangement for DC grids, characterized in that it comprises:- a first detection module configured to detect a line current flowing along an Electric line and provide a first detection signal indicative of said line current;- a second detection module configured to detect said line current along said Electric line and provide a second detection signal indicative of a magnitude variation rate over time of said line current;- a plurality of signal processing modules to process said first and second detection signals and provide a detection signal indicative of the behaviour of said line current.

The present invention refers to a padding arrangement (1) for helmet, said padding arrangement being adapted to cover, at least partially, the user's head during use of said helmet, said padding arrangement comprising a first layer (11), having a first surface (111) and a second surface (112) opposite each other, and a second layer (12) having a third surface (123) and a fourth surface (124) opposite each other, wherein said first and second layers (11, 12) are superimposed so that the second surface (112) of said first layer (11) and the third surface (123) of said second layer (12) face each other; wherein said padding arrangement further comprises a first structure (13) made of thermoplastic material, joined to said first layer (11) and protruding from the second surface (112) of said first layer (11), and a second structure (14) made of thermoplastic material, joined to said second layer (12) and protruding from the third surface (123) of said second layer (12), wherein at least one of said first and second structures (13, 14) made of thermoplastic material is elastically deformable; wherein said first structure (13) made of thermoplastic material and said second structure (14) made of thermoplastic material respectively comprise first connection portions (130b) and second connection portions (140b) mutually coupled so as to join said first and second structures (13, 14) made of thermoplastic material to each other.

The present invention relates to a method for probing a circuit breaker electrically connected between a first line section and a second line section of an electric line. The method comprises the following steps: - a first step of injecting one or more first signals at a first point of said electric line, wherein said one or more first signals have frequency content at least partially included in a predefined frequency range; - a second step of detecting one or more second signals at a second point of said electric line, wherein said one or more second signals are detected with a detection frequency band calculated based on said frequency range; - a third step of calculating a frequency response function of said electric line in said frequency range based on the detected one or more second signals.

The present invention relates to a method for probing a circuit breaker electrically connected to an electric line. The probing method comprises the following steps: - injecting (101) a first signal (S1(t)) at a first point (A) of said electric line, wherein said first signal has a predefined frequency content and a predefined frequency band and is injected during an injection time interval (TJ) having a predefined time duration; - detecting (102) a second signal (S2(t)) at a second point (B) of said electric line, wherein said second signal is detected during a detection time interval (TD) including at least partially said injection time interval (TJ); - processing (103) a first portion of said second signal (S2(t)), which refers to a first portion (TJ) of said detection time interval (TD), during which said first signal (S1(t)) is injected, to calculate a first signal value (GJR) indicative of the signal power of said second signal (S2(t)) in the frequency band of said first signal S1(t), during the first portion (TJ) of said detection time interval (TD); - processing (104) a second portion of said second signal (S2(t)), which refers to a second portion (TN) of said detection time interval (TD), during which said first signal (S1(t)) is not injected, to calculate a second signal value (GN) indicative of the signal power of said second signal (S2(t)) in the frequency band of said first signal S1(t), during the second portion (TN) of said detection time interval (TD).

The present invention is concerned with A music synthesizer comprising: an input unit having: a note selection input for enabling a user to input a note by selecting the note from a range of notes; a chord type input for enabling the user to input a chord type; and a chord range commencement note input for enabling the user to input a chord range commencement note; and a controller in communication with the input unit, the controller being configured to: generate a plurality of chord notes for a chord, the chord characterized by: the input note as a root note of the chord; the input chord type as a type of the chord; and a chord voicing as a voicing of the chord, the chord voicing comprising one or more chord notes falling within a single octave range commencing with the input chord range commencement note; and output the generated plurality of chord notes to a sound generator.

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Zusammenfassung wird geladen …