US-20260129366-A1 - EARPHONES

US20260129366A1US 20260129366 A1US20260129366 A1US 20260129366A1US-20260129366-A1

Abstract

The present disclosure relates to an earphone comprising a first magnetic bead module, a second magnetic bead module, a first earphone module, and a second earphone module. The first magnetic bead module is disposed between the first earphone module and the second earphone module to at least partially block first radio electromagnetic radiation emitted outward via the wire. The second magnetic bead module is disposed between a communication unit and a first core unit to at least partially block second radio electromagnetic radiation emitted outward via a first ear hook line.

Inventors

Gong YUE

Assignees

Shenzhen Shokz Co., Ltd.

Dates

Publication Date: 20260507
Application Date: 20251229

Claims (20)

1 . An earphone, comprising: a first earphone module, comprising a data transmission unit, wherein the data transmission unit transmits target data with an external environment via a wired transmission during operation; a second earphone module, electrically connected to the first earphone module via a wire; and a first magnetic bead module, disposed between the first earphone module and the second earphone module to at least partially block first radio electromagnetic radiation emitted outward from the wire due to the wired transmission.
2 . The earphone according to claim 1 , wherein a ratio of a wavelength of the first radio electromagnetic radiation to a length of the wire is in a range of 3.7 to 4.3.
3 . The earphone according to claim 1 , wherein a frequency of the first radio electromagnetic radiation is in a range of 220 MHz to 260 MHz.
4 . The earphone according to claim 1 , wherein the first magnetic bead module comprises at least one magnetic bead, and an impedance of the at least one magnetic bead reaches a peak value in a frequency range of 220 MHz to 800 MHz.
5 . The earphone according to claim 1 , wherein the data transmission unit comprises: a data transmission interface; a storage, storing the target data; and a data input-output circuit, electrically connected to the data transmission interface and the storage, wherein the wired transmission of the target data comprises: the data input-output circuit receiving the target data sent by the external environment via the data transmission interface in a wired manner, or transmitting the target data to the external environment via the data transmission interface in a wired manner.
6 . The earphone according to claim 5 , further comprising a signal shield at least partially covering the data input-output circuit to at least partially block external radiation generated during the wired transmission of the target data.
7 . The earphone according to claim 1 , wherein the first earphone module comprises a communication unit and a first core unit; and the second earphone module comprises a power supply unit and a second core unit, wherein the first magnetic bead module is connected to the communication unit to at least partially block at least a portion of the first radio electromagnetic radiation generated by the wire due to a clock signal generated by the communication unit.
8 . The earphone according to claim 7 , wherein the second earphone module further comprises a power temperature detector and a key; the communication unit comprises at least one of: a power interface, a power temperature detection signal interface, a key signal interface, or a second speaker data interface; and the first magnetic bead module comprises at least one of: a first magnetic bead unit, a second magnetic bead unit, a third magnetic bead unit, or a fourth magnetic bead unit, wherein the first magnetic bead unit is connected to the power supply unit via the power interface; the second magnetic bead unit is connected to the power temperature detector via the power temperature detection signal interface; the third magnetic bead unit is connected to the key via the key signal interface; and the fourth magnetic bead unit is connected to the second core unit via the second speaker data interface.
9 . The earphone according to claim 8 , wherein the power interface comprises a positive electrode interface and a ground interface; and the second speaker data interface comprises a second speaker data positive electrode interface and a second speaker data negative electrode interface.
10 . The earphone according to claim 8 , wherein the communication unit comprises a control element and an amplifier element electrically connected with each other, wherein the control element is connected to at least one of the power interface, the power temperature detection signal interface, or the key signal interface via the first magnetic bead module; and the amplifier element is connected to the second speaker data interface via the first magnetic bead module.
11 . The earphone according to claim 7 , wherein the power supply unit comprises a battery; the communication unit and the first core unit are connected via a first ear hook line; and the power supply unit and the second core unit are connected via a second ear hook line.
12 . The earphone according to claim 11 , further comprising a second magnetic bead module, disposed between the communication unit and the first core unit to at least partially block second radio electromagnetic radiation emitted outward from the first ear hook line due to a harmonic signal of the clock signal.
13 . The earphone according to claim 19 , wherein the first microphone interface comprises a microphone positive electrode interface, a microphone ground interface, a first microphone data positive electrode interface, and a first microphone data negative electrode interface; the second microphone interface comprises a second microphone data positive electrode interface and a second microphone data negative electrode interface; and the first speaker data interface comprises a first speaker data positive electrode interface and a first speaker data negative electrode interface.
14 . The earphone according to claim 12 , wherein the communication unit comprises a control element and an amplifier comment electrically connected with each other, wherein the control element is connected to at least one of the first microphone interface or the second microphone interface through the second magnetic bead module; and the amplifier element is connected to the first speaker data interface through the second magnetic bead module.
15 . The earphone according to claim 1 , further comprising a connecting portion to connect the first earphone module and the second earphone module, the connecting portion comprising: an elastic bracket; the wire, extending along the elastic bracket; and an insulating layer, wrapping the elastic bracket and the wire.
16 . The earphone according to claim 1 , wherein the length of the wire is in a range of 27 cm to 37 cm.
17 . The earphone according to claim 9 , wherein at least one magnetic bead in the first magnetic bead unit is connected to the positive electrode interface, at least one magnetic bead in the first magnetic bead unit is connected to the ground interface, at least one magnetic bead in the fourth magnetic bead unit is connected to the second speaker data positive electrode interface, and at least one magnetic bead in the fourth magnetic bead unit is connected to the second speaker data negative electrode interface.
18 . The earphone according to claim 12 , wherein the first earphone module further comprises at least one of a first microphone or a second microphone; the communication unit further comprises at least one of: a first microphone interface, a second microphone interface, or a first speaker data interface; and the second magnetic bead module comprises at least one of a fifth magnetic bead unit, a sixth magnetic bead unit, or a seventh magnetic bead unit.
19 . The earphone according to claim 18 , wherein the fifth magnetic bead unit is connected to the first microphone via the first microphone interface; the sixth magnetic bead unit is connected to the second microphone via the second microphone interface; and the seventh magnetic bead unit is connected to the first core unit via the first speaker data interface.
20 . The earphone according to claim 13 , wherein at least one magnetic bead in the fifth magnetic bead unit is connected to the microphone positive electrode interface; at least one magnetic bead in the fifth magnetic bead unit is connected to the microphone ground interface; at least one magnetic bead in the fifth magnetic bead unit is connected to the first microphone data positive electrode interface; at least one magnetic bead in the fifth magnetic bead unit is connected to the first microphone data negative electrode interface; at least one magnetic bead in the sixth magnetic bead unit is connected to the second microphone data positive electrode interface; at least one magnetic bead in the sixth magnetic bead unit is connected to the second microphone data negative electrode interface; at least one magnetic bead in the seventh magnetic bead unit is connected to the first speaker data positive electrode interface; and at least one magnetic bead in the seventh magnetic bead unit is connected to the first speaker data negative electrode interface.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation of International Application No. PCT/CN2023/143666 filed on Dec. 29, 2023, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD The present disclosure relates to the field of acoustic devices, and in particular, to an earphone. BACKGROUND An electronic device radiates electromagnetic waves outward during operation, inevitably causing electromagnetic pollution to the surrounding environment, including radiation damage to the human body or signal interference to other electronic devices. As a common electronic device, an earphone is widely used in daily life, and the issue of radio electromagnetic radiation during its use has received increasing attention. Therefore, there is a need to provide an earphone in which the energy of the electromagnetic waves radiated outward is controlled within universal safety standards. The contents in the BACKGROUND section are merely information known to the applicant, which does not mean that the above information has entered the public domain before the filing date of the present disclosure, nor does it mean that it can be regarded as prior art of the present disclosure. SUMMARY The present disclosure provides an earphone capable of effectively blocking external radiation of electromagnetic waves. In a first aspect, the present disclosure provides an earphone, including a first earphone module, a second earphone module, and a first magnetic bead module. The first earphone module includes a data transmission unit. The data transmission unit transmits target data to an external environment via a wired transmission during operation. The second earphone module is electrically connected to the first earphone module via a wire. The first magnetic bead module is disposed between the first earphone module and the second earphone module to at least partially block first radio electromagnetic radiation emitted outward from the wire due to the wired transmission. In some embodiments, a ratio of a wavelength of the first radio electromagnetic radiation to a length of the wire is in a range of 3.7 to 4.3. In some embodiments, a frequency of the first radio electromagnetic radiation is in a range of 220 MHz to 260 MHz, and the length of the wire is in a range of 27 cm to 37 cm. In some embodiments, the first magnetic bead module comprises at least one magnetic bead, and an impedance of the at least one magnetic bead reaches a peak value in a frequency range of 220 MHz to 800 MHz. In some embodiments, the data transmission unit comprises: a data transmission interface; a storage, storing the target data; and a data input-output circuit, electrically connected to the data transmission interface and the storage. The wired transmission of the target data comprises: the data input-output circuit receiving the target data sent by the external environment via the data transmission interface in a wired manner, or transmitting the target data to the external environment via the data transmission interface in a wired manner. In some embodiments, the earphone further includes a signal shield at least partially covering the data input-output circuit to at least partially block external radiation generated during the wired transmission of the target data. In some embodiments, the first earphone module comprises a communication unit and a first core unit. The second earphone module comprises a power supply unit and a second core unit. The first magnetic bead module is connected to the communication unit to at least partially block at least a portion of the first radio electromagnetic radiation generated by the wire due to a clock signal generated by the communication unit. In some embodiments, the second earphone module further comprises a power temperature detector and a key. The communication unit comprises at least one of: a power interface, a power temperature detection signal interface, a key signal interface, or a second speaker data interface. The first magnetic bead module comprises at least one of: a first magnetic bead unit, a second magnetic bead unit, a third magnetic bead unit, or a fourth magnetic bead unit. The first magnetic bead unit is connected to the power supply unit via the power interface. The second magnetic bead unit is connected to the power temperature detector via the power temperature detection signal interface. The third magnetic bead unit is connected to the key via the key signal interface. The fourth magnetic bead unit is connected to the second core unit via the second speaker data interface. In some embodiments, the power interface comprises a positive electrode interface and a ground interface. The second speaker data interface comprises a second speaker data positive electrode interface and a second speaker data negative electrode interface. At least one magnetic bead in the first magnetic bead unit is connected to the positive electrode interface, at least one