Abstract: 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.

Abstract: Disclosed is a headphone including a headband and two ear cups connected to opposite ends of the headband. Each of the ear cups includes a shell, a front cover, and a light sensor. The shell has an open end. The front cover covers the open end of the shell. The front cover is in a basin form and has a peripheral sidewall and a bottom wall. The light sensor is located on the peripheral sidewall of the front cover. The light sensor includes a light-emitting unit and a light detection unit. When a user wears the headphone, light emitted by the light-emitting unit irradiates a flat portion of a back surface of an ear of the user.

Abstract: 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.

Abstract: An electronic device, including a first substrate, a partition wall structure, a pressurizing component, a second substrate, a shell, and multiple first conductive parts, is provided. The first substrate has a through hole, and a first surface and a second surface that are opposite to each other. The partition wall structure is disposed on the first surface and surrounds to form a first chamber. The pressurizing component is disposed on the partition wall structure and covers the first chamber. The pressurizing component includes at least a mass and a vibration membrane. The shell is disposed on the second substrate and jointly forms a second chamber with the second substrate. The first chamber is formed in the second chamber. The multiple first conductive parts are disposed between the first substrate and the second substrate. There is a gap between any two adjacent first conductive parts.

Abstract: A power distribution component includes a wavelength converter, a connecting portion, a first power distribution portion and a second power distribution portion. The wavelength converter has an input end and a connection end. The connecting portion includes a first connecting end and a second connecting end, and the first connecting end is connected to the connection end. The first power distribution portion includes a first output port and a first end, and the first end is connected to the second connecting end. The second power distribution portion includes a second output port and a second end, and the second end is connected to the second connecting end. The first power distribution portion and the second power distribution portion are symmetrically disposed on opposite sides of the connecting portion by regarding the connecting portion as a mirror axis. Additionally, a wireless transceiver including a power distribution component is also provided.

Abstract: An antenna module includes a first board, a connecting board, a second board, an antenna radiator, and a circuit reference ground. The first board at least includes a first end. The connecting board has a first and a second connection end. The second board includes a second end and a bottom end. The second board and the connecting board are made of different materials. The antenna radiator extends along the extending direction of the connecting board and the second board, and defines a first and a second radiation end. The circuit reference ground extends along the extending direction of the first board, the connecting board, and the second board, and defines a first reference end formed on the first board and a second reference formed on the second board. The circuit reference ground and the antenna radiator are spaced apart and form an interval.

Abstract: 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.

Abstract: 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.

Abstract: Disclosed is a headphone including a headband and two ear cups connected to opposite ends of the headband. Each of the ear cups includes a shell, a front cover, and a light sensor. The shell has an open end. The front cover covers the open end of the shell. The front cover is in a basin form and has a peripheral sidewall and a bottom wall. The light sensor is located on the peripheral sidewall of the front cover. The light sensor includes a light-emitting unit and a light detection unit. When a user wears the headphone, light emitted by the light-emitting unit irradiates a flat portion of a back surface of an ear of the user.

Abstract: A vibration sensor includes a support board, a circuit board housing, a metal housing, a pressure-enhancing member and a sensor. The circuit board housing is located on a surface of the support board, and defines a first hollow chamber together with the support board. The metal housing is located on another surface of the support board, and defines a second hollow chamber together with the support board. The pressure-enhancing member is in one of the first and second hollow chambers. The sensor is in the other one of the first and second hollow chambers. The support board has a first through hole and a second through hole. The first through hole is misaligned with the pressure-enhancing member and the sensor. The second through hole is aligned between the pressure-enhancing member and the sensor. The sensor, support board and diaphragm collectively define a third hollow chamber.

Abstract: A voice reception device includes a casing and at least two voice reception units. The casing includes a peripheral side wall, a bottom wall, a containing space formed in an inside of the peripheral side wall and the bottom wall, and a first opening end located at an end of the containing space. The voice reception units are disposed in the containing space. Each of the voice reception units includes a main body, a diaphragm, and a voice guiding channel. The main body has a chamber, and an end of the chamber has a second opening end. The diaphragm is connected to the second opening end of the main body. The voice guiding channel includes an importing end acoustically connected to the chamber and an exporting end opposite to the importing end and acoustically connected to a microphone.

Abstract: Disclosed is an open ear headphone, including a housing, a speaker arranged in an accommodating space inside the housing to define the accommodating space into a front cavity and a rear cavity, a connecting member including opposite first and second ends, and a supporting member connected to the second end and including a supporting portion and a sound outlet channel. A sound outlet is provided on a surface of the housing and is in acoustic communication with the front cavity. The first end is connected to the surface of the housing. When a user wears the open ear headphone, the housing is located in a concha cavity of the user's ear, the supporting portion at least leans against a lower edge of the concha cavity, and the sound outlet channel is in acoustic communication with the user's ear canal and is not in contact with the user's ear.

Abstract: Disclosed is an open ear headphone, including a housing, a speaker arranged in an accommodating space inside the housing to define the accommodating space into a front cavity and a rear cavity, a connecting member including opposite first and second ends, and a supporting member connected to the second end and including a supporting portion and a sound outlet channel. A sound outlet is provided on a surface of the housing and is in acoustic communication with the front cavity. The first end is connected to the surface of the housing. When a user wears the open ear headphone, the housing is located in a concha cavity of the user's ear, the supporting portion at least leans against a lower edge of the concha cavity, and the sound outlet channel is in acoustic communication with the user's ear canal and is not in contact with the user's ear.

Abstract: An earphone module includes a first circuit board. The first circuit board includes a touch panel layer, a grounding layer, an antenna layer and a touch circuit layer assembly. The grounding layer is disposed apart from and below the touch panel layer. The antenna layer includes an antenna flat portion, an antenna feed wire and an antenna short-circuit wire. The antenna flat portion is disposed apart from and below the grounding layer, and the antenna feed wire and the antenna short-circuit wire are connected to the antenna flat portion. The touch circuit layer assembly is disposed apart from and below the antenna flat portion and includes a touch chip. The touch panel layer is electrically connected to the touch chip.

Abstract: 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.

Abstract: An earphone module includes a first circuit board. The first circuit board includes a touch panel layer, a grounding layer, an antenna layer and a touch circuit layer assembly. The grounding layer is disposed apart from and below the touch panel layer. The antenna layer includes an antenna flat portion, an antenna feed wire and an antenna short-circuit wire. The antenna flat portion is disposed apart from and below the grounding layer, and the antenna feed wire and the antenna short-circuit wire are connected to the antenna flat portion. The touch circuit layer assembly is disposed apart from and below the antenna flat portion and includes a touch chip. The touch panel layer is electrically connected to the touch chip.

Abstract: An earphone module, including a housing, a circuit board, a feeding conductor, a first grounding conductor, and a second grounding conductor, is provided. The housing includes an insulating housing and a metal ring connected thereto. The metal ring serves as an antenna and includes a feeding end, a first ground end, a second ground end, and a slit that splits the metal ring. The slit is located between the feeding end and the first ground end. The second ground end is located between the feeding end and the slit. The circuit board is located in the insulating housing. A slot is formed between the circuit board and the metal ring. The feeding conductor is connected to the feeding end and the circuit board. The first grounding conductor is connected to the first ground end and the circuit board. The second grounding conductor is connected to the second ground end and the circuit board.

Abstract: A vibration sensor is designed to have a pressure-enhancing member, a pressure sensing device and first, second, third chambers. An air gap is designed to enable the first chamber to be vented to the third chamber such that the first chamber is combined with the third chamber to obtain a communicable air volume. An adhesive layer is formed between a spacer and a circuit board, and the air gap is formed in an adhesive-absent section between the spacer and the circuit board. When the pressure-enhancing member is moved to squeeze the air in the second chamber, a sensitivity of the pressure sensing device will be greatly improved.

Abstract: A voice reception device includes a casing and at least two voice reception units. The casing includes a peripheral side wall, a bottom wall, a containing space formed in an inside of the peripheral side wall and the bottom wall, and a first opening end located at an end of the containing space. The voice reception units are disposed in the containing space. Each of the voice reception units includes a main body, a diaphragm, and a voice guiding channel. The main body has a chamber, and an end of the chamber has a second opening end. The diaphragm is connected to the second opening end of the main body. The voice guiding channel includes an importing end acoustically connected to the chamber and an exporting end opposite to the importing end and acoustically connected to a microphone.

Abstract: A headphone includes two audio output devices and a headband connected between the two audio output devices. The headband includes a rubber block and at least one shape memory alloy wire. The shape memory alloy wire is at least partially embedded in the rubber block. The rubber block has at least one cutout.