WO2015078226A1 - Dispositif de commande de ligne d'écouteur, et écouteur - Google Patents

Dispositif de commande de ligne d'écouteur, et écouteur Download PDF

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Publication number
WO2015078226A1
WO2015078226A1 PCT/CN2014/087246 CN2014087246W WO2015078226A1 WO 2015078226 A1 WO2015078226 A1 WO 2015078226A1 CN 2014087246 W CN2014087246 W CN 2014087246W WO 2015078226 A1 WO2015078226 A1 WO 2015078226A1
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WO
WIPO (PCT)
Prior art keywords
switch
resistor
control unit
control device
diode
Prior art date
Application number
PCT/CN2014/087246
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English (en)
Chinese (zh)
Inventor
谢冠宏
林柏青
孙小宏
Original Assignee
加一联创电子科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201310636584.7A external-priority patent/CN103634718B/zh
Priority claimed from CN201310717315.3A external-priority patent/CN103888871B/zh
Application filed by 加一联创电子科技有限公司 filed Critical 加一联创电子科技有限公司
Priority to CN201480003761.0A priority Critical patent/CN104885479A/zh
Priority to US14/402,088 priority patent/US9532129B2/en
Publication of WO2015078226A1 publication Critical patent/WO2015078226A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements

Definitions

  • the present invention relates to the field of earphones, and in particular to a headphone wire control device and an earphone.
  • a headset for a mobile phone of the Android operating system cannot be used for a mobile phone of the iOS operating system, and vice versa.
  • a headphone wire control device comprising: a power management unit, a filtering unit, a control unit, a first resistor, a first diode, a first switch, a second resistor, and a second switch, wherein
  • the first end of the power management unit, one end of the filtering unit, one end of the first resistor, and one end of the second resistor are all connected to the power source, and the other end of the first resistor is connected to the anode of the first diode, the first diode
  • the negative pole is connected to one end of the first switch
  • the other end of the second resistor is connected to one end of the second switch
  • the other end of the first switch and the other end of the second switch are grounded
  • the first end and the third end of the control unit Connected to the negative pole of the first diode and the other end of the second resistor respectively, the second end of the control unit is grounded, the fourth end of the control unit is connected to the other end of the filtering unit, and the second end of the power management unit is grounded, and the power is supplied
  • the third end of the management unit is connected to the fifth end of the control unit; the first switch corresponds to the first resistor, the second switch corresponds to the second resistor, and when the first switch or the second
  • the control unit when the first switch or the second switch is closed, the control unit outputs first preset encoded pulse signals of different frequencies, respectively.
  • the wire control device further includes a third switch, one end of the third switch is connected to the sixth end of the control unit, the other end of the third switch is grounded, and when the third switch is closed, the control unit outputs the third pre- Set the encoded audio signal.
  • the power management unit includes a second diode and a first capacitor, wherein a cathode of the second diode is connected to the power source, and a cathode of the second diode is connected to one end of the first capacitor, first The other end of the capacitor is grounded.
  • the filtering unit includes a second capacitor and a fourth resistor in series.
  • the fourth end of the power management unit is coupled to the first end of the control unit.
  • the wire control device further includes a third switch, one end of the third switch is connected to the sixth end of the control unit, the other end of the third switch is grounded, and when the third switch is closed, the control unit outputs the third pre- Set the encoded audio signal.
  • the power management unit includes a second diode, a third resistor, and a first capacitor, wherein a cathode of the second diode is connected to the power source, and a cathode of the second diode and one end of the third resistor Connected to one end of the first capacitor, the other end of the third resistor is connected to the first end of the control unit, and the other end of the first capacitor is grounded.
  • the filtering unit includes a second capacitor and a fourth resistor in series.
  • An earphone comprising the earphone wire control device according to any of the above embodiments.
  • the above earphone wire control device and the earphone can realize the same earphone used on terminal devices of at least two different operating systems.
  • FIG. 1 is a schematic structural view of a headphone wire control device in an embodiment
  • FIG. 2 is a schematic structural view of a headphone wire control device in another embodiment
  • FIG. 3 is a schematic structural diagram of a headphone wire control device in another embodiment
  • FIG. 4 is a schematic structural view of a headphone wire control device in another embodiment
  • FIG. 5 is a schematic structural diagram of a headphone wire control device in another embodiment
  • FIG. 6 is a schematic structural diagram of a headphone wire control device in another embodiment
  • FIG. 7 is a schematic structural diagram of a headphone wire control device in another embodiment
  • FIG. 8 is a schematic structural diagram of a headphone wire control device in another embodiment.
  • FIG. 1 it is a schematic structural diagram of a headphone wire control device in an embodiment.
  • the earphone remote control device includes a power management unit 100, a filtering unit 200, a control unit 300, a first resistor 400, a first diode 500, a first switch 600, a second resistor 700, and a second switch 800.
  • the first end 101 of the power management unit 100, one end 201 of the filtering unit 200, one end of the first resistor 400, and one end of the second resistor 700 are all connected to the power source, and the other end of the first resistor 400 and the first diode 500
  • the positive pole is connected, the negative pole of the first diode 500 is connected to one end of the first switch 600, the other end of the second resistor 700 is connected to one end of the second switch 800, the other end of the first switch 600 and the other end of the second switch 800
  • the first end 301 and the third end 303 of the control unit 300 are respectively connected to the negative pole of the first diode 500 and the other end of the second resistor 700.
  • the second end 302 of the control unit 300 is grounded, and the control unit 300 is connected.
  • the fourth end 304 is connected to the other end 202 of the filtering unit 200, the second end 102 of the power management unit 100 is grounded, and the third end 103 of the power management unit 100 is connected to the fifth end 305 of the control unit 300.
  • the first switch 600 when the first switch 600 is closed, the first end 301 of the control unit 300 detects a low level, the control unit 300 does not make any output, and the first switch 600 corresponds to the first resistor 400 and the internal circuit of the mobile phone.
  • the second switch 800 When the second switch 800 is closed, the third end 303 of the control unit 300 detects a low level, the control unit 300 does not make any output, and the second resistor 700 corresponding to the second switch 800 is divided with the internal circuit of the mobile phone.
  • the mobile phone discriminates whether the first switch 600 or the second switch 800 is closed according to the voltage value obtained by dividing the first resistor 400 or the second resistor 700, thereby realizing an earphone volume adjustment of an operating system (for example, Android), or a previous song and The next song and other functions.
  • an operating system for example, Android
  • the first end 301 or the third end 303 of the control unit 300 detects a high level, and at this time, the control unit 300 outputs a preset. Encode the pulse signal.
  • the control unit 300 When the first switch 600 is turned off, the control unit 300 outputs an encoded pulse signal of approximately 116 KHz; when the second switch 800 is turned off, the control unit 300 outputs an encoded pulse signal of approximately 154 KHz.
  • the filtering unit 200 superimposes the encoded pulse signal outputted by the control unit 300 on the main circuit and feeds back to the mobile phone connected to the earphone.
  • the mobile phone discriminates the operation of the first switch 600 or the second switch 800 according to the encoded pulse signal to implement another operating system (for example, IOS). ) Headphone volume adjustment, or previous and next songs.
  • another operating system for example, IOS
  • the headset is connected to the mobile phone of the Android operating system.
  • the control unit 300 When the headset is inserted into the mobile phone, the control unit 300 generates a frequency of 270 kHz (0.9 ms) + The 130KHz (5.5ms) encoded pulse signal is sent to the mobile phone for headphone initialization, but the Android operating system's mobile phone cannot recognize the encoded pulse signal and does not respond.
  • the first end 301 of the control unit 300 detects a low level, the first resistor 400 corresponding to the first switch 600 is divided with the internal circuit of the mobile phone, and the mobile phone of the Android operating system is based on the first resistor 400.
  • the voltage value obtained by the partial pressure discriminates the action of closing the first switch 600 to respond; the control unit 300 generates a frequency of 270 kHz (0.9 ms) +
  • the first preset encoded pulse signal of 130KHz (5.5ms) is sent to the mobile phone of the Android operating system connected to the earphone remote control device, and the mobile phone of the Android operating system cannot recognize the first preset encoded pulse signal and does not respond.
  • the third end 303 of the control unit 300 detects a low level, and the second resistor 700 corresponding to the second switch 800 and the internal circuit of the mobile phone are divided, and the mobile phone of the Android operating system is The voltage value obtained by dividing the two resistors 700 is determined to respond to the action of closing the second switch 800; the control unit 300 generates a frequency of 270 kHz (0.9 ms) + The first preset encoded pulse signal of 165 KHz (1.8 ms) is fed back to the mobile phone of the Android operating system connected to the earphone remote control device, and the mobile phone of the Android operating system cannot recognize the first preset encoded pulse signal and does not respond.
  • the mobile phone of the Android operating system discriminates whether the first switch 600 or the second switch 800 is closed according to the voltage value obtained by dividing the first resistor 400 or the second resistor 700, thereby realizing an earphone volume adjustment of the operating system Android, or a previous song. And the next song and other functions.
  • the control unit 300 detects a high level, and the control unit 300 outputs a frequency of 270 kHz. (0.9ms) +95KHz (1.8ms) of the second preset encoded pulse signal, the Android operating system's mobile phone can not recognize the second preset encoded pulse signal and does not respond.
  • the control unit 300 when the earphone is connected to the mobile phone of the iOS operating system, the control unit 300 generates a frequency of 270 kHz (0.9 ms) at the moment when the earphone is inserted into the mobile phone. A 130KHz (5.5ms) encoded pulse signal is sent to the handset for headphone initialization.
  • the first switch 600 When the first switch 600 is closed, the first end 301 of the control unit 300 detects a low level, and the control unit 300 generates a frequency of 270 KHz (0.9 ms) + The first preset encoded pulse signal of 130KHz (1.8ms) is sent to the mobile phone of the iOS operating system connected to the earphone remote control device, and the mobile phone of the iOS operating system recognizes the first preset encoded pulse signal to respond; the first switch The first resistor 400 corresponding to 600 is divided with the internal circuit of the mobile phone, and the mobile phone of the iOS operating system cannot recognize the voltage value obtained by dividing the first resistor 400 without any response.
  • the third end 303 of the control unit 300 detects a low level, and the control unit 300 generates a frequency of 270 kHz (0.9 ms) +
  • the first preset encoded pulse signal of 165 KHz (1.8 ms) is fed back to the mobile phone of the iOS operating system connected to the earphone remote control device, and the mobile phone of the iOS operating system recognizes the encoded pulse signal to respond;
  • the second switch 800 corresponds to
  • the second resistor 400 is divided with the internal circuit of the mobile phone, and the mobile phone of the iOS operating system cannot recognize the voltage value obtained by dividing the voltage of the second resistor 700 so as not to respond.
  • the mobile phone of the iOS operating system discriminates the operation of the first switch 600 or the second switch 800 according to the encoded pulse signal, and realizes the volume adjustment, or the functions of the previous song and the next song.
  • the control unit 300 detects a high level, and the control unit 300 outputs a frequency of 270 kHz. (0.9ms) +95KHz (1.8ms) second preset encoded pulse signal.
  • the filtering unit 200 superimposes the second preset encoded pulse signal outputted by the control unit 300 on the main circuit and sends the signal to the mobile phone connected to the earphone.
  • the mobile phone discriminates the operation of the first switch 600 or the second switch 800 according to the encoded pulse signal, that is, the earphone volume. The operation of adjusting, or the functions of the previous and next songs ends.
  • the role of the first diode 500 is very important.
  • the first switch 800 is closed, the second resistor 700 is divided with the internal circuit of the mobile phone, and the third end 303 of the control unit 300 is at a low level.
  • the absence of the first diode 500 will cause the first end 301 of the control unit 300 to also go low, causing a malfunction.
  • the power management unit 100 includes a second diode D2 and a first capacitor C1, wherein the anode of the second diode D2 is connected to the power source, the cathode of the second diode D2, and the first capacitor C1. One end is connected, and the other end of the first capacitor C1 is grounded.
  • the first capacitor C1 can be composed of two capacitors in parallel.
  • the power management unit 100 is for providing stable power to the control unit 300.
  • the first capacitor C1 has a function of voltage regulation, freewheeling, and power supply to the control unit 300; lack of the second diode D2 may cause the voltage to be too low, the first capacitor C1 is discharged too fast, and the control unit 300 is dead, and cannot be normal. jobs.
  • FIG. 3 it is a schematic structural diagram of a headphone wire control device in another embodiment.
  • the filtering unit 200 is composed of a second capacitor C2 and a fourth resistor R4 connected in series.
  • FIG. 4 it is a schematic structural diagram of a headphone wire control device in another embodiment.
  • the remote control device further includes a third switch 900.
  • One end of the third switch 900 is connected to the sixth end 306 of the control unit 300, and the other end of the third switch 900 is grounded.
  • the control unit 300 outputs The third preset encoded audio signal
  • the mobile phone connected to the remote control device decodes the encoded audio signal, and implements different functions set by the user by running different applications (App), for example, WeChat voice message, playing WeChat voice message, Photo, volume up/down and music in/out function switching, grab screen, voice control.
  • App applications
  • the encoded audio signal is a low band signal of 20 Hz-20 KHz.
  • the first switch is a volume minus (-) switch of the earphone remote control device
  • the second switch is a volume plus (+) switch of the earphone remote control device
  • the third switch is a playback of the earphone remote control device/ The switch is stopped, and the control unit 300 realizes different functions by detecting whether the above three switches are in a closed or open state.
  • FIG. 5 it is a schematic structural diagram of a headphone wire control device in another embodiment.
  • the earphone remote control device includes a power management unit 100, a filtering unit 200, a control unit 300, a first resistor 400, a first diode 500, a first switch 600, a second resistor 700, and a second switch 800.
  • the first end 101 of the power management unit 100, one end 201 of the filtering unit 200, one end of the first resistor 400, and one end of the second resistor 700 are all connected to the power source, and the other end of the first resistor 400 and the first diode 500
  • the positive pole is connected, the negative pole of the first diode 500 is connected to one end of the first switch 600, the other end of the second resistor 700 is connected to one end of the second switch 800, the other end of the first switch 600 and the other end of the second switch 800
  • the first end 301 and the third end 303 of the control unit 300 are respectively connected to the negative pole of the first diode 500 and the other end of the second resistor 700, and the second end of the control unit 300 is grounded, and the control
  • the first switch 600 when the first switch 600 is closed, the first end 301 of the control unit 300 detects a low level, the control unit 300 does not make any output, and the first switch 600 corresponds to the first resistor 400 and the internal circuit of the mobile phone.
  • the second switch 800 When the second switch 800 is closed, the third end 303 of the control unit 300 detects a low level, the control unit 300 does not make any output, and the second resistor 700 corresponding to the second switch 800 is divided with the internal circuit of the mobile phone.
  • the mobile phone discriminates whether the first switch 600 or the second switch 800 is closed according to the voltage value obtained by dividing the first resistor 400 or the second resistor 700, thereby realizing an earphone volume adjustment of an operating system (for example, Android), or a previous song and The next song and other functions.
  • an operating system for example, Android
  • the first end 301 or the third end 303 of the control unit 300 detects a high level, and at this time, the control power supply 300 outputs a preset. Encode the pulse signal.
  • the control unit 300 When the first switch 600 is turned off, the control unit 300 outputs an encoded pulse signal of approximately 116 KHz; when the second switch 800 is turned off, the control unit 300 outputs an encoded pulse signal of approximately 154 KHz.
  • the filtering unit 200 superimposes the encoded pulse signal outputted by the control unit 300 on the main circuit and feeds back to the mobile phone connected to the earphone.
  • the mobile phone discriminates the operation of the first switch 600 or the second switch 800 according to the encoded pulse signal to implement another operating system (for example, IOS). ) Headphone volume adjustment, or previous and next songs.
  • another operating system for example, IOS
  • the headset is connected to the mobile phone of the Android operating system.
  • the control unit 300 When the headset is inserted into the mobile phone, the control unit 300 generates a frequency of 270 kHz (0.9 ms) + The 130KHz (5.5ms) encoded pulse signal is sent to the mobile phone for headphone initialization, but the Android operating system's mobile phone cannot recognize the encoded pulse signal and does not respond.
  • the first end 301 of the control unit 300 detects a low level, the first resistor 400 corresponding to the first switch 600 is divided with the internal circuit of the mobile phone, and the mobile phone of the Android operating system is based on the first resistor 400.
  • the voltage value obtained by the partial pressure discriminates the action of closing the first switch 600 to respond; the control unit 300 generates a frequency of 270 kHz (0.9 ms) +
  • the first preset encoded pulse signal of 130KHz (5.5ms) is sent to the mobile phone of the Android operating system connected to the earphone remote control device, and the mobile phone of the Android operating system cannot recognize the first preset encoded pulse signal and does not respond.
  • the third end 303 of the control unit 300 detects a low level, and the second resistor 700 corresponding to the second switch 800 and the internal circuit of the mobile phone are divided, and the mobile phone of the Android operating system is The voltage value obtained by dividing the two resistors 700 is determined to respond to the action of closing the second switch 800; the control unit 300 generates a frequency of 270 kHz (0.9 ms) + The first preset encoded pulse signal of 165 KHz (1.8 ms) is fed back to the mobile phone of the Android operating system connected to the earphone remote control device, and the mobile phone of the Android operating system cannot recognize the first preset encoded pulse signal and does not respond.
  • the mobile phone of the Android operating system discriminates whether the first switch 600 or the second switch 800 is closed according to the voltage value obtained by dividing the first resistor 400 or the second resistor 700, thereby realizing an earphone volume adjustment of the operating system Android, or a previous song. And the next song and other functions.
  • the control unit 300 detects a high level, and the control unit 300 outputs a frequency of 270 kHz. (0.9ms) +95KHz (1.8ms) of the second preset encoded pulse signal, the Android operating system's mobile phone can not recognize the second preset encoded pulse signal and does not respond.
  • the control unit 300 when the earphone is connected to the mobile phone of the iOS operating system, the control unit 300 generates a frequency of 270 kHz (0.9 ms) at the moment when the earphone is inserted into the mobile phone. A 130KHz (5.5ms) encoded pulse signal is sent to the handset for headphone initialization.
  • the first switch 600 When the first switch 600 is closed, the first end 301 of the control unit 300 detects a low level, and the control unit 300 generates a frequency of 270 KHz (0.9 ms) + The first preset encoded pulse signal of 130KHz (1.8ms) is sent to the mobile phone of the iOS operating system connected to the earphone remote control device, and the mobile phone of the iOS operating system recognizes the first preset encoded pulse signal to respond; the first switch The first resistor 400 corresponding to 600 is divided with the internal circuit of the mobile phone, and the mobile phone of the iOS operating system cannot recognize the voltage value obtained by dividing the first resistor 400 without any response.
  • the third end 303 of the control unit 300 detects a low level, and the control unit 300 generates a frequency of 270 kHz (0.9 ms) +
  • the first preset encoded pulse signal of 165 KHz (1.8 ms) is fed back to the mobile phone of the iOS operating system connected to the earphone remote control device, and the mobile phone of the iOS operating system recognizes the encoded pulse signal to respond;
  • the second switch 800 corresponds to
  • the second resistor 400 is divided with the internal circuit of the mobile phone, and the mobile phone of the iOS operating system cannot recognize the voltage value obtained by dividing the voltage of the second resistor 700 so as not to respond.
  • the mobile phone of the iOS operating system discriminates the operation of the first switch 600 or the second switch 800 according to the encoded pulse signal, and realizes the volume adjustment, or the functions of the previous song and the next song.
  • the control unit 300 detects a high level, and the control unit 300 outputs a frequency of 270 kHz. (0.9ms) +95KHz (1.8ms) second preset encoded pulse signal.
  • the filtering unit 200 superimposes the second preset encoded pulse signal outputted by the control unit 300 on the main circuit and sends the signal to the mobile phone connected to the earphone.
  • the mobile phone discriminates the operation of the first switch 600 or the second switch 800 according to the encoded pulse signal, that is, the earphone volume. The operation of adjusting, or the functions of the previous and next songs ends.
  • the role of the first diode 500 is very important.
  • the first switch 800 is closed, the second resistor 700 is divided with the internal circuit of the mobile phone, and the third end 303 of the control unit 300 is at a low level.
  • the absence of the first diode 500 will cause the first end 301 of the control unit 300 to also go low, causing a malfunction.
  • FIG. 6 is a schematic structural diagram of a headphone wire control device in another embodiment.
  • the power management unit 100 includes a second diode D2, a third resistor R3, and a first capacitor C1, wherein the anode of the second diode D2 is connected to the power source, and the cathode of the second diode D2
  • One end of the third resistor R3 is connected to one end of the first capacitor C1
  • the other end of the third resistor R3 is connected to the first end 301 of the control unit 300 for raising the voltage of the first capacitor C1 to the earphone hole of the mobile phone.
  • the output voltage value, the other end of the first capacitor C1 is grounded.
  • the power management unit 100 is for providing stable power to the control unit 300.
  • the first capacitor C1 has a function of voltage regulation, freewheeling, and power supply to the control unit 300.
  • the lack of the diode D2 may cause the voltage to be too low, the power supply capacitor C1 is discharged too fast, and the control unit 300 is dead and cannot work normally.
  • FIG. 7 is a schematic structural diagram of a headphone wire control device in another embodiment.
  • the filtering unit 200 is composed of a second capacitor C2 and a fourth resistor R4 connected in series.
  • FIG. 8 it is a schematic structural diagram of a headphone wire control device in another embodiment.
  • the remote control device further includes a third switch 900.
  • One end of the third switch 900 is connected to the sixth end 306 of the control unit 300, and the other end of the third switch 900 is grounded.
  • the control unit 300 outputs The third preset encoded audio signal
  • the mobile phone connected to the remote control device decodes the encoded audio signal, and implements different functions set by the user by running different applications (App), for example, WeChat voice message, playing WeChat voice message, Photo, volume up/down and music in/out function switching, grab screen, voice control.
  • App applications
  • the encoded audio signal is a low band signal of 20 Hz-20 KHz.
  • the first switch is a volume minus (-) switch of the earphone remote control device
  • the second switch is a volume plus (+) switch of the earphone remote control device
  • the third switch is a playback of the earphone remote control device/ The switch is stopped, and the control unit 300 realizes different functions by detecting whether the above three switches are in a closed or open state.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Telephone Function (AREA)

Abstract

L'invention concerne un dispositif de commande de ligne d'un écouteur, comprenant une unité de gestion d'alimentation électrique, une unité de filtre, une unité de commande, une première résistance, une première diode, un premier commutateur, une seconde résistance et un second commutateur, une première extrémité de l'unité de gestion d'alimentation électrique, une extrémité de l'unité de filtre, une extrémité de la première résistance et une extrémité de la seconde résistance étant connectées à une source d'alimentation ; l'autre extrémité de la première résistance étant connectée à l'électrode positive de la première diode ; l'électrode négative de la première diode étant connectée à une extrémité du premier commutateur ; l'autre extrémité de la seconde résistance étant connectée à une extrémité du second commutateur ; l'autre extrémité du premier commutateur et l'autre extrémité du second commutateur étant mises à la terre ; une première extrémité et une troisième extrémité de l'unité de commande étant respectivement connectées à l'électrode négative de la première diode et à l'autre extrémité de la première résistance ; une deuxième extrémité de l'unité de commande étant mise à la terre ; une quatrième extrémité de l'unité de commande étant connectée à l'autre extrémité de l'unité de filtre ; une deuxième extrémité de l'unité de gestion d'alimentation électrique étant mise à la terre ; et une troisième extrémité de l'unité de gestion d'alimentation électrique étant connectée à une cinquième extrémité de l'unité de commande. Lorsque le premier commutateur ou le second commutateur est mis sous tension/hors tension, l'unité de commande délivre un signal d'impulsion codé préréglé.
PCT/CN2014/087246 2013-11-27 2014-09-24 Dispositif de commande de ligne d'écouteur, et écouteur WO2015078226A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201480003761.0A CN104885479A (zh) 2013-11-27 2014-09-24 耳机线控装置及耳机
US14/402,088 US9532129B2 (en) 2013-11-27 2014-09-24 Earphone line control device and earphone

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201310636584.7 2013-11-27
CN201310636584.7A CN103634718B (zh) 2013-11-27 一种用于耳机的线控装置及耳机
CN201310717315.3A CN103888871B (zh) 2013-12-23 2013-12-23 一种用于耳机的线控装置及耳机
CN201310717315.3 2013-12-23

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WO2015078226A1 true WO2015078226A1 (fr) 2015-06-04

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CN115175062B (zh) * 2022-09-07 2022-11-25 广州市保伦电子有限公司 一种基于外部设备的音频防开关机冲击控制方法及电路

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