TW201230825A - Audio device and method for turning off the audio device automatically - Google Patents

Abstract

An audio device is provided. The audio device includes an earphone and play device. The earphone includes a detecting unit connected between a microphone line and the ground. The detecting unit includes a cavity and a resistance connecting with an end of the cavity, the cavity contains conductive liquid. When the detecting unit is perpendicularly placed, the liquid gathered on one end of the cavity, and the electric circuit of the cavity is turned off. When the detecting unit is horizontal placed, the liquid connects the two end of the cavity, and the electric circuit of the cavity is turned on, thus the resistance between the microphone line and the ground is changed. The play device detects the changes of the value of the resistance and controls the play device turned off. The invention also provides a method for turning off the audio device.

Description

201230825 VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to an audio device and a method of controlling the automatic shutdown of the audio device. [Prior Art] [0002] In a commonly used audio device, a playback device provides a sound source and is converted to a user-recognizable sound through a headphone or a voice box. Usually, the user turns on and off the audio device by controlling the power switch set on the playback device or the earphone. Therefore, when the user takes off the earphone, it is also necessary to manually operate the power switch on the earphone or the audio device to turn off the audio device, The user's use is inconvenient. [0003] In addition, due to the accelerated pace of life and the tension of work, when users are relieved of fatigue through the music played by the audio device, they often forget to turn off the audio device because of falling asleep, causing the audio device to continue playing and causing waste of power. SUMMARY OF THE INVENTION [0004] In view of the above, the present invention provides a user-friendly auto-shutdown audio device and a method of controlling the audio device to be automatically turned off. [0005] The audio device includes a playback device and an earphone. The earphone includes a microphone, two earpieces, a microphone line, a ground line, and left and right channel lines, and the microphone is connected between the microphone line and the ground line. An audio file in the playback device outputs sound to the user through the earphone, the playback device includes an audio interface, the audio interface includes a microphone pin, a ground pin, and left and right channel pins, when the earphone is inserted When playing the device, the microphone line, ground line, and left and right channel lines of the ear 100100732 are respectively associated with the audio interface form number A0101 page 4/17 pages 1002001323-0 201230825 cough 2 (four), ground pin and the left and right Channel pin connections. ^ - Position_unit' is connected in parallel with the microphone between the microphone ❹ 2 and the ground. The position sensing unit includes a closed cavity and . Second, refers to the series of resistors' where the closed cavity contains conductive liquid remaining! The two conductive ends of the cavity-connected earphone circuit are made of a conductive material and are made of an insulating material. When the seal _ is in a vertical position: the conductive liquid is located at one end of the closed cavity such that the position senses the electrocautery circuit phase path 'the phase microphone _ the cavity between the ground lines is at the resistance. When the position of the earphone changes, closing the conductive liquid in the closed cavity to connect the closed electric terminal' so that the circuit of the position sensing unit is turned on, and at this time, the wind line and the position of the wire (4) of the wire are replaced with Parallel resistors. The playback device includes a control module that detects a resistance value between the microphone pin and the ground _, and compares the resistance value with a reference resistance value, and when the control module determines the microphone reference (4) And when the resistance value between the grounding chat and the reference resistance value are not equal, 'control the audio playback is automatically turned off. [0006] The present invention also provides a method for controlling automatic shutdown of the audio device. The method includes the steps of: measuring a resistance value between a microphone pin and a ground pin; comparing the resistance value with a reference resistance value, and determining Whether the resistance value is equal to the reference resistance value; if the resistance value is not equal to the reference resistance value, the control automatically turns off the broadcast device. [0007] The above-mentioned automatically turn-off audio device and the method for controlling the audio device to be automatically turned off can control the automatic closing of the playback device by the change of the detected headset position, without requiring the user to manually operate, bringing the user 100100732 Form No. A0101 Page 5 of 17 1002001323-0 201230825 Conveniently reduces power consumption and makes the audio device more user-friendly. [0008] [0009] Please refer to FIG. 1 and FIG. 2A - 2C together, the audio device includes a wired headset 100 and a playback device 200, and the playback device 200 includes a control module 21 and a playback module. 22 and the audio interface 23, the control module 2 controls the play module 22 to send the audio file in the playback device 2 to the earphone 1 through the audio interface 23, thereby outputting the sound to the user. As shown in Fig. 2a, in the present embodiment, the playback device 200 is an audio playback device such as a mobile phone, an mp3 player, or an MP4 player. The earphone 1 is an earphone type 'including two earpieces 101, a microphone 102, a left channel line 1, a right channel line R, a microphone line MIC, and a ground line GND. The audio interface 23 of the playback device includes a microphone pin 231, a ground pin 232, a left channel pin 233, and a right channel pin 234. When the earphone 100 is inserted into the playback device 2, the left and right channel lines L·, R ' 克 wind line and the ground line GND of the earphone 100 and the left and right channel pins 233 of the audio interface 23, respectively. 234 'Microphone pin 231, ground pin 232 are connected. The microphone 1〇2 is connected between the microphone line MIC and the ground line GND for collecting sound and transmitting it to the playback device 200 through the microphone line MIC. The headphone 100 further includes a position sensing unit 11 . As shown in FIG. 2B , the position sensing unit 11 is disposed in the earphone 1 〇1 and connected between the ground line GND and the microphone line MIC, and the microphone 102. Parallel formation. The position sensing unit 11 includes a closed cavity 110 and a resistor 111 connected in series between the microphone line MIC and the ground line. The closed cavity 11 〇 includes two conductive ends 1101 respectively connected to the microphone line MIC and the resistor ill 100100732 Form No. A0101 1002001323-0 201230825. In the present embodiment, the closed cavity 110 is connected to the two conductive circuits of the circuit. The end 11 01 is made of a conductive material, and the other part is made of an insulating material. The enclosed chamber 110 contains a conductive liquid 1102 therein. In the present embodiment, the conductive liquid 1102 is mercury. [0010] ο [0011] 'When the earphone 100 is inserted into the playback device 200 and the user normally wears the headset 1', the closed cavity 110 in the earpiece is in a vertical position (as shown in FIG. 2), ie, the closed cavity The connection of the two conductive ends 11〇1 of the 11〇 is in the direction of the sinus, and the conductive liquid 11〇2 in the closed cavity 110 is concentrated by gravity on one conductive end 11〇1 of the closed cavity 110, and the other The conductive end 1101 is not in contact with the conductive liquid tank 1102, so that the circuit of the position sensing unit 11 is in an open state. At this time, only the microphone 1〇2 is connected between the microphone pin 231 of the audio interface and the ground pin 232. When the user removes the earphone 100 or the user wears the earphone to lie down, the closed cavity 110 is in a leveling state (as shown in FIG. 2C), that is, the connection line of the two conductive ends 1101 of the closed cavity is in the horizontal direction. Due to the action of gravity, the conductive liquid 11靡2 in the closed cavity 110 is connected to the two conductive ends 1101 of the closed cavity 11〇, so that the circuit of the position sensing unit 11 is turned on, and the microphone pin 231 of the audio interface 23 is The position sensing unit 11 and the microphone 1〇2 are connected in parallel between the ground pins 232 such that the resistance between the microphone pin 231 and the ground pin 232 is changed. The control module 21 of the playback device 200 is further configured to detect a resistance value between the microphone pin 231 and the ground pin 232, and determine the wearing state of the earphone 100 according to the resistance, thereby controlling the playback device. Playback function. The playback device 2 further stores a reference resistance value. In this embodiment, the magnitude of the reference resistance value is equal to 100100732 of the microphone 1〇2, the form number Α 010 Ι page 7 / total 17 pages 1002001323-0 201230825 resistance value. The control module 21 detects the resistance value between the microphone pin 23i and the ground pin 232, and compares the resistance value of the _ to the resistance value of the spring to determine whether the measured electrical value is (4) The meter has the same resistance value, and determines that the (4) measured power and the reference resistance value do not control the module 21 to send a control signal, at which time the playback device 2 is controlled to be turned off. [0012] In other embodiments, the playback device 2GG further includes a system prompt module 24. When the control module (1) in the playback device 200 detects that the galvanic value between the microphone pin 23 and the ground pin 232 is not equal to the reference resistance value, the system prompts the module 24 to estimate the control. The control signal of the module 21 sends a system prompt for prompting the liver whether to continue to the playback device 2〇〇. If the user does not respond within a predetermined time (for example, 5 seconds), the control module 2i controls the playback device (10) to be turned off: if the user responds within the predetermined time, the playback device 200 performs corresponding according to the user's selection. The operation, that is, if the user selects yes, then _put otherwise 'turn off the audio playback device 200 / [0013] As shown in FIG. 3, the audio device controls the automatic shutdown of the audio device (4). The method includes the following steps: [0014 [0016] [10016] Step 100: Step _: The control module 2U measures the resistance value between the microphone pin 231 and the ground pin 232; Step S302: Compare the resistance value with the reference resistance value and determine the Whether the resistance value is equal to the reference resistance value (4), if not, executing step magic 02; if yes, returning to step S3〇i. Step S3G3: When the control module 21 determines that the electrical limit value and the reference resistance value are not equal to the form bat number A0101, page 8 of 171002001323-0 201230825, a corresponding control signal is generated. [0017] Step S304: The system prompting module 24 issues a system prompt according to the control of the control module 21. [0018] Step S305: The control module 21 determines whether the user responds to the system prompt within a predetermined time; if yes, executes step S3〇6; if not, proceeds to step S307. [0019] Step S306: The control module 21 controls the playback device 2 to be turned off. [0020] Step S307: Perform a corresponding operation according to the user's selection. BRIEF DESCRIPTION OF THE DRAWINGS [0021] FIG. 1 is a schematic diagram of the audio device in an embodiment of the present invention. 2A-2C are schematic diagrams showing the circuit structure of the position measuring unit in an embodiment of the present invention. 3 is a flow chart of a method for controlling automatic shutdown of the audio device in the present invention. [Main component symbol description] [0024] Audio device: 1 [0025] Headphone: 100 [0026] Playback device: 200 [0027] Handset: 101 [0028] Microphone: 102

[0029] Microphone line: MIC

[0030] Ground wire: GND 100100732 Form number A0101 Page 9 of 17 1002001323-0 201230825

[0031] Left channel line: L

[0032] Right channel line: R

[0033] Position sensing unit: 1 1 [0034] Closed cavity: 110 [0035] Conductive end: 1101 [0036] Conductive liquid: 1102 [0037] Resistance: 111 [0038] Control module: 21 [0039] Play mode Group: 22 [0040] Audio interface: 23 [0041] Microphone pin: 231 [0042] Ground pin: 232 [0043] Left channel pin: 233 [0044] Right channel pin: 234 [0045] System Prompt module: 24 100100732 Form number A0101 Page 10 / Total 17 pages 1002001323-0

Claims (1)

201230825 Seven G patent application scope: --- audio equipment, including the playback device and a headset, the gram wind, two earpieces, microphone line, ground line and left and right sounds first including - wheat wind connected between the microphone line and the ground line The playback device outputs the sound to the user through the earphone, the audio slot interface of the playback device spoon, the audio interface includes a microphone pin, a ground=including-audio channel pin, when the earphone is inserted into the playback device When, the left and right lines 'ground line, and the left and right channel lines are respectively connected to the audio interface = microphone, ground pin and the left and right channel pins, / wind bow|Qing. The earphone includes: A position sensing element is connected between the scale and the wheat, and the position sensing unit comprises a closed cavity and a resistor connected to the ground, wherein the closed cavity is provided with a conductive/closed series circuit The two conductive ends are made of a conductive material, and the remaining portion is made of an ear. When the closed cavity is in a vertical position, the material closes the cavity end to make the circuit liquid of the test unit at the position The resistance between the microphone line and the ground line is the path, when the position of the earphone changes, and the closed cavity is in the level state; when the conductive liquid is connected to the two conductive ends of the closed amine, The playback device between the position sensing unit and the microphone:::::: ground includes a control module, and the control module detects a resistance value between the microphone pin and the ground pin. And comparing the resistance value with a reference resistance value, when the control module determines that the resistance value between the microphone pin and the ground pin is not equal to the reference resistance value, controlling the audio 100100732 Form No. A0101 No. 11 Page / Total 17 pages 1002001323-0 201230825 The playback device is automatically turned off. 2. The audio device of claim 1, wherein the position sensing unit is disposed in the earpiece of the earphone and is connected between the microphone wire and the ground wire. 3. The audio device of claim 1, wherein the playback device further includes a system prompt module connected to the control module, wherein the control module senses the microphone pin and the ground When the resistance value between the pins is not equal to the reference resistance value, the system is prompted to prompt the module to issue a prompt, and when the user responds to the system prompt within a predetermined time, the playback device is controlled to perform a corresponding operation according to the user selection; The control module controls to turn off the playback device if the user does not respond within the predetermined time. 4. The audio device of claim 1, wherein the electrically conductive liquid in the enclosed chamber is mercury. 5. The audio device of claim 1, wherein the playback device is one of a mobile phone, an MP3 player, or an MP4 player. 6. A method of controlling an automatic shutdown of an audio device, wherein the audio device comprises a playback device and a headset, the headset comprising a microphone, two earpieces, a microphone line, a ground line, and left and right channel lines, the microphone being connected to the microphone Between the line and the ground, the playback device includes an audio interface, the audio interface includes a microphone pin, a ground pin, and left and right channel pins. When the earphone is inserted into the playback device, the microphone line of the earphone, The ground line and the left and right channel lines are respectively connected to the microphone pin of the audio interface, the ground pin, and the left and right channel pins, and the earphone further includes a position sensing unit, which is connected to the microphone line and the ground in parallel with the microphone. Between the lines, the position sensing unit comprises a closed cavity and a resistor connected in series with the closed cavity, wherein the closed cavity is filled with conductive liquid, the playback device further comprises a control module and a 100100732 Form No. A0101 No. 12 Page / a total of 17 pages 1002001323-0 201230825 system prompt module, the improvement is that the method comprises the following steps: detecting the microphone a resistance value between the wind pin and the ground pin; comparing the resistance value with a reference resistance value, and determining whether the resistance value is equal to the reference resistance value; if the resistance value is not equal to the reference resistance value, Control automatically turns off the playback device. 7. The method for controlling automatic shutdown of an audio device according to claim 6, wherein the method further comprises the steps of: if it is determined that the resistance value is not equal to the reference resistance value, issuing a system prompt 〇; determining whether the user is Responding to the system prompt within a predetermined time; if the user does not respond within the predetermined time, the playback device is automatically turned off. If the user responds within a predetermined time, the related operation is performed according to the user selection. | 〇 100100732 Form No. A0101 Page 13 of 17 1002001323-0