Nec Corporation

Mitsuru Sendoda

Ryota Suzuki

Yosuke Watanabe

Takeshi Komatsu

Masatomo Mizuta

Murtuza Petladwala

Yuko Ohta

Koji Matsunaga

Provided a method comprising: obtaining waveform data sets of a periodic electric waveform signal, with a length set to one cycle time; calculating a frequency spectrum for each waveform data set; extracting and separating odd and even frequency harmonics to create odd and even frequency harmonic matrices on which a canonical correlation analysis (CCA) being applied to obtain CCA features; performing linear transformation on the CCA features to obtain linear transformed features; generating a model based on the linear transformed features; performing magnitude quantization of frequency spectrums of waveform data sets to identify normal and anomalous waveform signals.

Anomaly detection apparatus, method and computer-readable medium

A sound processing apparatus includes a feature value extractor configured to perform a Fourier transform and then a cepstral analysis of a sound signal and to extract, as feature values of the sound signal, values including frequency components obtained by the Fourier transform of the sound signal and a value based on a result obtained by the cepstral analysis of the sound signal.

Sound processing method

An abnormal-sound detection device has an imaging unit, an operation range identification unit, a sound collection unit, an abnormal-sound detection unit, an abnormal-sound generation position identification unit, and an abnormal-sound source determination unit. The operation range identification unit identifies and stores the operation range of a diagnosis object on the basis of the image captured by an imaging unit. The abnormal-sound detection unit detects abnormalities in sounds included in the sounds collected by the sound collection unit, the sounds arriving from the diagnosis object. When an abnormality in a sound is detected by the abnormal-sound detection unit, the abnormal-sound generation position identification unit identifies the position at which the abnormality of the sound was generated. The abnormal-sound source determination unit compares the operation range and the abnormal-sound generation position of the diagnosis object, and determines whether the abnormality of the sound is derived from an abnormality of the diagnosis object.

Abnormal-sound detection device and abnormal-sound detection method

A sound recognition apparatus () includes at least two microphones () that detect a surrounding sound, an attitude detection unit () that detects attitudes of the microphones (), a self-position estimation unit () that estimates positions of the microphones () based on the attitudes of the microphones () and a signal of the sound detected by the microphone (), a sound source estimation unit () that estimates a direction of the sound source () of the sound based on the attitudes of the microphones () and the signal of the sound detected by the microphone (), and a sound environment mapping unit () that creates a sound environment map based on the positions of the microphones () and the direction of the sound source (), the sound environment map displaying at least a position of the sound source ().

Sound recognition apparatus, sound recognition method, and non-transitory computer readable medium storing program

An electric apparatus is provided in which it is possible to connect a signal line to multiple key panels which are rotatably attached to a main body chassis. The electric apparatus has multiple first hinges and multiple second hinges. The first hinge rotatably attaches a panel to the second hinge. Further, the second hinges are rotatably attached to a main body of the electric apparatus. The multiple second hinges are rotatably connected.

Electric apparatus

A wiring device is used in a folding portable device including a hinge unit permitting an upper unit to fold/unfold and/or to rotate with regard to a lower unit. The wiring device comprises a rotative direction wound portion having a first central axis corresponding to a rotating axis of the hinge. A folding/unfolding direction wound portion has a second central axis corresponding to a folding/unfolding axis of the hinge. A FPC fixing member fixes a FPC holding member holding a predetermined part of a FPC to the hinge. The rotative direction wound portion is wound with a first part of a flexible printed cable that is continuous with one end of the predetermined part. The folding/unfolding direction wound portion is wound with a second part of the flexible printed cable that is continuous with the other end of the predetermined part.

Wiring structure for folding portable device

A magnetic read/write head assembly has a slider including a first and a second insulation films formed on the both surfaces of a distal end portion of a suspension arm, the first and the second insulation films being formed by a sputtering technology. The suspension arm has a generally thin plate configuration having a neck portion for serving a function similar to a gimbal spring for permitting freedom of motion of the slider. A small number of constituent parts, a small size and weight of the head assembly can be obtained for achieving a low flying height and a high recording density performance.

Growing community of inventors

Tokyo, Japan

Mitsuru Sendoda