Merry Electronics (shenzhen) Co., Ltd.

Siliconware Precision Industries Co., Ltd.

Merry Electronics Co., Ltd.

Hung-Yuan Li

Chieh-Lung Lai

Chang-Lun Lu

Shih-Liang Peng

Chun-Yuan Lee

Lu-Yi Chen

Mao-Hua Yeh

Tsu-Jung Wang

Chien-Min Yao

Chien-Min Chen

Ya-Ke Lan

Huai-Yuan Chang

Sasiraj So Somarajan

An audio device and a control method thereof are provided. The audio device includes a charger and at least one audio broadcaster. The charger is coupled to a transmission line and is configured to generate a charging voltage. The audio broadcaster is coupled to the charger through the transmission line. The charger transmits the charging voltage to the audio broadcaster through the transmission line, and transmits first data to the audio broadcaster through the transmission line. The audio broadcaster transmits second data to the charger through the transmission line.

Audio device and control method thereof

A wearable device includes a main body, a detection module and a controller. The detection module is located on the main body and includes an upper casing, an opposite lower casing and a proximity sensor. The lower casing has an elastic material. The proximity sensor is located on the upper casing to measure a distance from the proximity sensor to the elastic material. The controller is electrically connected to the detection module. The elastic material has a contact surface for the user to contact when the wearable device is worn on the user, thereby switching between an active mode and a standby mode of the wearable device. In addition, the present disclosure further includes an earbud.

Wearable device and earbud

A headset charging system and a headset charging method thereof are provided. The headset charging system includes an earphone device and a charging device. The earphone device or the charging device adjusts a charge current to switch between a first current and a second current, so as to perform data transmission between the earphone device and the charging device.

Headset charging system and headset charging method thereof

An earphone charging system and a charging method thereof are provided. A charging circuit of an earphone device converts an output voltage provided by a charging device into a charging voltage to charge an earphone battery when the output voltage is higher than a preset voltage. The earphone device or the charging device adjusts the output voltage to switch between a first voltage and a second voltage, so as to perform data transmission between the earphone device and the charging device, wherein the first voltage and the second voltage are higher than the preset voltage.

Earphone charging system and charging method thereof

The disclosure provides an earphone synchronization method and a true wireless earphone system. The method includes the following. A first packet is transmitted to a second wireless earphone. The first packet records a first packet transception time difference. A second packet is received from the second wireless earphone. The second packet records a second packet transception time difference. A synchronization state between a first wireless earphone and the second wireless earphone is obtained according to the first packet transception time difference and the second packet transception time difference. A play progress of playing a specific audio by the first wireless earphone or by the second wireless earphone is adaptively corrected according to the synchronization state between the first wireless earphone and the second wireless earphone.

Earphone synchronization method and true wireless earphone system

A playback device includes a speaker, a controller, a first switch circuit, and a second switch circuit. The speaker has a first terminal and a second terminal. The controller is configured to output a first audio signal and a second audio signal. The controller is coupled to the first terminal of the speaker, and is configured to transmit the first audio signal to the speaker. The second switch circuit is coupled between the second terminal of the speaker and the controller, and is coupled to the first switch circuit. The second switch circuit is configured to transmit the second audio signal from the controller to the speaker when the first switch circuit is turned on.

Playback device and control method

The present disclosure provides a headset charging and data transmission system, which includes a headset and a charging device. The charging device includes a first controller, a first connector, a first switching device, and a second switching device. The first switching device is electrically connected to the first controller and the first connector, and the second switching device is electrically connected to the first controller and the first switching device. The first controller controls the second switching device to switch between the first and second voltages to provide a first data signal for the first switching device, so that the first data signal is output to the headphones via the first connector.

Headset charging and data transmission system

A headset charging system and a headset charging method are provided. The headset charging system includes a headset device and a charging device. The headset device includes a headset battery. The headset battery is configured to supply power required for operation of the headset device. The charging device is configured to accommodate and couple to the headset device. The charging device provides an output voltage and a charging current to charge the headset battery. The charging device detects whether a current value of the charging current is less than a first reference current value in a first mode. If the current value of the charging current is less than the first reference current value, the charging device raises a voltage value of the output voltage to maintain the current value of the charging current at the first reference current value.

Headset charging system and headset charging method

The present disclosure provides a headset charging and data transmission system, which includes a headset and a charging device. The charging device includes a first controller, a first connector, a first pulse-to-sine wave converter, a first switching device, and a second switching device. The first pulse-to-sine wave converter provides a first sine wave signal and a second sine wave signal. The first controller controls the second switching device to switch between the first and second sine wave signals to provide first sine wave data to the first switching device, and first controller controls the first switching device load a predetermined voltage with the first sine wave data, so as to output a first sine wave data voltage to the headset.

An electronic device is provided. The electronic device includes an input/output port, a rechargeable battery, a charging device, and an audio receiving and playing device. The rechargeable battery is charged to provide a battery voltage in response to switching between a first charging power source and a second charging power source. The charging device converts the DC input power source into the first charging power source or the second charging power source to charge the rechargeable battery according to the detection signal associated with the battery voltage. A charging speed of the first charging power source for charging the rechargeable battery is greater than a charging speed of the second charging power source for charging the rechargeable battery. The audio receiving and playing device performs at least one of a playing operation and a receiving operation of an audio signal by operating under the battery voltage.

Electronic device

An electronic package is provided, which includes: a circuit structure having opposite first and second surfaces; a metal layer formed on the first surface of the circuit structure; an electronic element disposed on the metal layer; an encapsulant encapsulating the electronic element; a plurality of conductive posts disposed on the second surface of the circuit structure; and an insulating layer encapsulating the conductive posts. The conductive posts of various sizes can be fabricated according to different aspect ratio requirements so as to make end products lighter, thinner, shorter and smaller. The disclosure further provides a method for fabricating the electronic package.

Method for fabricating electronic package

The present disclosure proposes an electronic apparatus including an attenuation element, a passive infrared (PIR) sensor, and a control circuit. The attenuation element attenuates a first infrared signal as a second infrared signal. The PIR includes a filtering element and a receiving sensor. The filtering element filters the second infrared signal as a third infrared signal, wherein a wavelength thereof ranges between 9 and 10 micrometer. When a distance between the attenuation element and a source emitting the first infrared signal is not larger than a predetermined distance, the receiving sensor outputs a first electrical signal in response to the third infrared signal, otherwise the receiving sensor outputs a second electrical signal in response to the third infrared signal. The control circuit activates the electronic apparatus according to the first electrical signal or deactivates the electronic apparatus according to the second electrical signal.

Electronic apparatus

Electronic package and method for fabricating the same

A method, an electronic apparatus and a wireless earphone of choosing a master wireless earphone in a wireless earphone set are provided. The method is adapted to the electronic apparatus pairing with the wireless earphone set. The method includes: transmitting first testing signals to a first wireless earphone in the wireless earphone set, and receiving first acknowledgment signals; transmitting second testing signals to a second wireless earphone in the wireless earphone set, and receiving second acknowledgment signals; determining whether a first ratio of the first acknowledgment signals to the first testing signals is higher than a second ratio of the second acknowledgment signals to the second testing signals; if yes, choosing the first wireless earphone as a master earphone, and setting the second wireless earphone as a slave wireless earphone; if no, choosing the second wireless earphone as the master earphone, and setting the first wireless earphone as the slave wireless earphone.

Method, electronic apparatus and wireless earphone of choosing master wireless earphone in wireless earphone set

A headset apparatus including an audio transmitter, a control circuit, a magnetic field generator and a magnetic field sensor is provided. The control circuit is configured to generate a test signal. The magnetic field generator is coupled to the control circuit to receive the test signal and generate a magnetic field accordingly. The magnetic field sensor is coupled to the control circuit and configured to sense the magnetic field and generate a sensing signal accordingly. When the control circuit detects that the magnetic field is changed based on the sensing signal, the control circuit generates a control signal to enable the audio transmitter.

Growing community of inventors

Taichung, Taiwan

Hung-Yuan Li