Lapis Semiconductor Co., Ltd.

Oki Semiconductor Co., Ltd.

Oki Electric Industry Co., Ltd.

Casio Computer Co., Ltd.

Icom Incorporated

Hiroji Akahori

Masato Tanaka

Yoshihito Shimazaki

Takashi Taya

Tsuyoshi Atsumi

Takamitsu Hafuka

Yasuo Ueno

Hiromune Nagai

Shinpei Matsuda

A semiconductor device includes a semiconductor chip, a first antenna element and a second antenna element. The semiconductor chip includes a communication circuit. The first antenna element includes a line pattern which is electrically connected to the communication circuit and meanderingly reciprocates in a first direction parallel to a first surface of the semiconductor chip. The second antenna element includes a line pattern which is electrically connected to the communication circuit and meanderingly reciprocates in a second direction parallel to a second surface opposite to the first surface of the semiconductor chip.

Semiconductor device, communication system, and method of manufacturing semiconductor device

The present invention generates data series indicating respective combined-wave data pieces by a first step of obtaining a reference time length as a reference of a time length of one combined wave, a sampling interval time, and a frequency fluctuation rate, a second step of calculating a total number of samples in the data series indicating the one combined wave on the basis of the reference time length, the sampling interval time, and the frequency fluctuation rate, a third step of calculating a rotation angle with respect to the sampling interval time on the basis of the total number of samples for each of plural sound data pieces, a fourth step of calculating combined values for the total number of samples, the combined values being obtained by combining respective values of the plural sound data pieces, the values being calculated on the basis of the rotation angles for the respective sampling interval times, a fifth step of generating a series of the combined values for the total number of samples for the respective sampling time intervals as a data series of the one combined-wave data piece, and performing a sequence of the processes of the second to the fifth steps by a predetermined times while changing the frequency fluctuation rate every time when the sequence of the processes is executed once.

Combined wave data generation method, combined wave data generation program, storage medium, combined wave data generation device, and waveform data generation method

A communication controller that receives moving body related information detected by a sensor and transmits a parameter for generating a sound based on this moving body related information, and a sound generating unit that includes a circuit that generates a basic sound signal having a predetermined sound waveform, receives the parameter received by the communication controller, and outputs a sound signal obtained by adjusting the sound waveform of the basic sound signal based on the received parameter.

Sound output device, communication controller, and sound generator that provides approaching notification sound while reducing MCU load

To provide a semiconductor device having a monitoring function with a higher degree of freedom. The semiconductor device includes: a function part that executes a predetermined process triggered according to an activation signal sent from an external device and outputs a completion signal after the predetermined process is completed; a first clocking part that monitors a first abnormality in the predetermined process based on the activation signal and the completion signal; and a branch part pair including a first branch part and a second branch part, wherein the first branch part branches the activation signal and then sends the branched activation signal to the function part and the first clocking part, and the second branch part branches the completion signal and then sends the branched completion signal to the first clocking part and the external device.

Semiconductor device

A power transmission apparatus includes a first power transmission coil having a planar shape, and a second power transmission coil having a planar shape, arranged outside the first power transmission coil. The second power transmission coil has an opening with a diameter greater than that of an opening of the first power transmission coil in a direction of a line of intersection on which a plane including a coil plane of the first power transmission coil and a plane including a coil plane of the second power transmission coil intersect with each other. The power transmission apparatus transmits power to a power reception coil without contact.

Power transmission apparatus and power transmission system

A semiconductor device includes a first antenna element, a second antenna element, and a semiconductor chip including a communication circuit that is connected to the first antenna element and the second antenna element. The first antenna element and the second antenna element are disposed on opposite surfaces of the semiconductor chip. The first antenna element or the second antenna element to which a ground potential is applied has a grid-like pattern.

A battery monitoring system prevents damage to a device utilizing stacked battery cells, reduces the time required for battery replacement, and increases the capacity and reduces the size of the battery monitoring system. A battery unit includes: two or more battery cells configured to generate a DC voltage; two or more measurement units configured to measure a voltage value of the two or more battery cells and obtain measurement signals representing a measurement result; two or more transmission loop antennas configured to generate an AC magnetic field corresponding to the measurement signals; a reception loop antenna configured to receive the AC magnetic fields and generate a reception signal corresponding to the AC magnetic fields; a receiver configured to demodulate the reception signal to generate information representing the measurement results; and a magnetic core that runs through the transmission loop antennas and the reception loop antenna.

Battery unit, battery monitoring system, and battery replacement method

A goggle type display device with a goggle-shaped frame and a display mounted on said frame includes: an image-capturing unit disposed inside of the frame; and an eye gaze position estimator that estimates an eye gaze position on the basis of images of an eye and a ridge of a nose included in a facial image captured by said image-capturing unit.

Goggle type display device, eye gaze detection method, and eye gaze detection system

A playback device includes a playback function unit, a data signal monitoring unit configured to output a data change trigger signal based on a change in the data signal, a clock signal monitoring unit configured to output a clock change trigger signal based on a change in the clock signal, an enable signal monitoring unit configured to output an enabled/disabled state signal that indicates a disabled or enabled state of the enable signal, and a determining unit configured to determine whether the data signal, the clock signal, or the enable signal is properly inputted into the playback function unit or not, based on the data change trigger signal, the clock change trigger signal, and the enabled/disabled state signal.

Playback device

An operation determination device that determines a change in the facing direction of a user's face as a contact-free operation on a display image includes an image acquisition unit that acquires a captured image that is captured of the user's face and an image processing unit that performs image processing on the captured image and detects the direction of the user's face. The image processing unit includes a first processing unit that detects a portion of the user's face in the captured image and a second processing unit that determines the direction of the user's face in relation to a display surface that displays the display image, on the basis of the portion of the user's face detected in the captured image. The first processing unit includes hardware that executes specific detection processes, and the second processing unit includes one or more processors executing software that execute processes according to output from the first processing unit.

Operation determination device and operation determination method

An operation determination device determines an operation performed by a user in a non-contact manner on a display image. An image acquisition unit acquires a photographed image of the user, and an image processing unit performs image processing on the photographed image and determines the position of the line-of-sight of the user, the position of the fingertip, and the movement of the fingertip with respect to the display image. The image processing unit includes a first processing unit configured to detect the positions of the eyes and fingertip of the user in the photographed image, and a second processing unit that calculates the position of the user's sight line and fingertip with respect to the display surface based on the detected positions of the user's eyes and the fingertip in the photographed image and that determines a movement of the user's fingertip.

An object-characteristic determination device includes a calculation unit and a determination unit. The calculation unit calculates a first feature value and a second feature value differing from the first feature value according to a first signal at a first frequency and a second signal at a second frequency. The first signal and the second signal are received by a reception unit after passing through the object. The first feature value and the second feature value represent features of the first signal and the second signal. The determination unit determines a property of the object on the basis of a difference in the first feature values of the first signal and a difference in the second feature values of the second signal, a relationship between a plurality of properties of the object, and a plurality of differences in the first feature values and a plurality of differences in the second feature values.

Object determination device, program, object determination method, and semiconductor device

A sound output device for installation at a vehicle is provided with a warning sound generation section configured to generate a warning sound including at least one sine wave, a background sound generation section configured to generate a volume-adjusted first background sound based on a selected sound source, a controller configured to control selection of a sound source of the first background sound based on externally-supplied selection information, and a first synthesizer section configured to combine the warning sound and the first background sound and output the combination as a first advisory sound.

Sound output device and sound output system

A sound source playback unit plays back sound data from a sound source and outputs a playback signal. An amplification unit amplifies the playback signal and outputs the playback signal as an output signal converted to sound in a speaker. A fault detection unit including a first conversion circuit compares the playback signal to a predetermined first threshold, converts a waveform of the playback signal, and outputs the converted waveform as a converted playback signal. A second conversion circuit compares the output signal to a predetermined second threshold, converts a waveform of the output signal, and outputs the converted waveform as a converted output signal. A comparison circuit compares the converted playback signal to the converted output signal, and a determination circuit determines an output of the comparison circuit. Based on the determination, the fault detection unit detects a fault in the amplification unit.

Semiconductor device and sound output device

A failure determination device allows a user to define conditions indicating a failure of the device. The failure determination device includes a difference detector configured to output a difference detection signal that indicates a difference between an input signal and an output signal output from a processor that performs a prescribed process on the input signal and a determination unit configured to output a determination signal indicating a determination result on presence or absence of a failure in the processor, based on the difference detection signal. A level detector outputs a level detection signal indicating whether a level of the input signal is within a prescribed range. The determination unit updates the determination signal when the level detection signal indicates that the level of the input signal is within the prescribed range, and stops updating the determination signal when the level detection signal indicates that the level of the input signal is not within the prescribed range.

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Tokyo, Japan

Hiroji Akahori