Cm Hk Limited

Cyweemotion Hk Limited

Chien-Chih Hsu

Shun-Nan Liou

Chin-Lung Li

Ching-Lin Hsieh

Yu-Kuen Tsai

Zhou Ye

Yun-Chia Hsieh

Kuo-Ting Hu

Hybrid positioning methods and electronic apparatuses are provided. A representative method includes: obtaining initial location information; computing initial moving information based upon the sensor readings; computing estimated location information based on the initial moving information and the initial location information; acquiring geographical location readings if a location update condition is satisfied; generating reference location information based on the geographical location readings acquired; comparing the estimated location information with the reference location information to obtain a deviation information; computing a calibrated moving information based on the estimated location information and the deviation information; and computing a calibrated location information based on the deviation information, calibrated moving information and the estimated location information.

Hybrid positioning method, electronic apparatus and computer-readable recording medium thereof

Electronic devices and methods for providing location information are provided, of which a representative method includes: generating sensor readings corresponding to sensed motion of the electronic device; determining a reference location information; computing a GPS-fused location information based on the reference location information and the sensor readings; generating a GPS-required event based on a change of the GPS-fused location information; generating a GPS-not-required event responsive to the reference location information being determined; receiving the GPS-fused location information and one of either the GPS-required event or the GPS-not-required event; responsive to the GPS-required event being received, operating the GPS receiver in a location information-acquiring mode during which the GPS receiver generates geographical location readings; and responsive to the GPS-not-required event being received, operating the GPS receiver in a power-saving mode during which the GPS receiver is deactivated.

Electronic devices and methods for providing location information

Methods of motion processing and related electronic devices and motion modules are provided. A representative method of motion processing of an electronic device, which incorporates a motion sensor and a processor, the motion sensor having sensor circuitry including a sensor clock, the processor having processor circuitry including a processor clock, includes: providing one or more samples, including at least one of an accelerometer sample or a gyroscope sample associated with the electronic device, by the motion sensor at a sampling rate according to the sensor clock; storing each of the one or more samples in a buffer of the motion sensor; fetching the samples in batches from the buffer, by the processor, at a polling rate; and performing, by the processor, a numerical integration according to the sensor clock based on the samples fetched from the buffer.

Methods of motion processing and related electronic devices and motion modules

Methods and devices with sensor time calibration are provided. A representative device incorporates: a motion sensor having sensor circuitry and a first clock, the motion sensor being configured to generate and store sensor data samples at a predefined output data rate according the first clock; and a microcontroller, having circuitry, coupled to the motion sensor and being configured to fetch, during a predefined average time span, a sequence of the sensor data samples from the motion sensor and calculate a total number of the sensor data samples fetched. The microcontroller is further configured to provide a calibrated output data rate based on the total number of sensor data samples fetched and a reference time span, corresponding to a time span during which the sensor data samples were stored at the predefined output data rate, provided by a second clock.

Methods and devices with sensor time calibration

Methods of motion processing and related devices are provided. A representative method includes: generating a plurality of first sensor samples; generating a plurality of second sensor samples at a sampling rate according a first clock signal; storing the second sensor samples in a first buffer; fetching the first sensor samples; fetching the second sensor samples in batches from the first buffer; merging the first sensor samples and the second sensor samples to form a sensing merged signal; storing the sensing merged signal in a second buffer; providing a first preset processing signal; and selectively performing a second preset processing according to the first preset processing signal.

Method of motion processing and related mobile device and microcontroller unit

An electronic device is provided. The electronic device includes a motion sensor and a processor. The motion sensor is configured to perform a sampling at a sampling rate. In each sampling, the motion sensor generates a sample by sampling an angular velocity or an acceleration of the electronic device. The motion sensor is further configured to store each sample in a buffer of the motion sensor. The processor is coupled to the motion sensor and is configured to perform a polling at a polling rate. In each polling, the processor fetches a plurality of the samples from the buffer. The processor is further configured to perform a numerical integration based on the fetched samples.

Electronic device and method of motion processing

A microcontroller unit (MCU) characterized by including a buffer is provided. The MCU is a part of a mobile device. The MCU fetches a plurality of samples from a sensor of the mobile device, performs a preset processing according to the samples, stores the samples and/or a result of the preset processing in the buffer, and provides the result or a signal based on the result to the central processing unit (CPU) of the mobile device or an electronic device.

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Taipei, Taiwan

Chien-Chih Hsu