TW201126408A - Audio playback system and an attached earphone - Google Patents

Abstract

Audio playback system includes an audio player and an attached earphone, the attached earphone includes a variable resistance and a waveform generating unit, the variable resistance made with elastic material, which the variable resistance occurs elastic deformation and the value of the variable resistance changed while the attached earphone will be taken off or putted on. The resistance value of the variable resistance generates a related electrical signal according to the variable resistance of the audio playback system decides whether the attached earphone is in user mode according to the related electrical signal, and determines the audio player's mode according to the attached earphone's mode.

Description

201126408 VI. Description of the Invention: [Technical Field] [0001] The present invention relates to an audio playback system and an earphone thereof, and more particularly to an audio playback system and an application for automatically controlling a playback function [Prior Art 3 [0002] ] Radio, MP3 player, CD player and other playback devices can output sound through the headphones. Among them, the control knob is set on the wire headset to control the sound release device, which makes the user's control more convenient. When the above-mentioned wire-controlled earphone is taken out from the head by the user, the sound-emitting device is still in working state, and the user also needs to manually operate the wire-controlled switch on the earphone to control the sound-emitting device, which is not easy to operate. SUMMARY OF THE INVENTION [0003] In view of the above, it is necessary to provide an audio playback system that detects an electrical signal generated when an earphone is picked up or worn, and controls an audio playback system based on the detected electrical signal. Working status.

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[0004] At the same time, it is necessary to provide a downtime device, the earphone includes a waveform generating unit, and when the earphone is picked up or worn, the waveform generating unit generates an electric grind waveform or a current waveform. The audio system is based on the detected voltage waveform or The current waveform controls the operating state of the audio system. [0005] An audio playback system comprising an audio playback device and an earphone for use thereof, the audio playback device comprising an audio playback unit, a processing unit and a storage unit. The headset includes at least one handset and a circuit for communicating with the audio playback device The board and the audio interface, the earphone further includes: 0992002503-0 099101271 Form No. A0I01 Page 3 of 18 201126408 [0006] [0008] [0009] [0011] [0012] [0014] [0014 The μ resistance of the electrical connection circuit board is a spring element and the resistance value changes with the elastic deformation thereof; and the waveform generation unit 1 generates an analog current or voltage waveform in the change of the resistance value of the (4) variable resistance unit. The audio playback device further includes a detection determining unit for determining the analog current or voltage waveform change process and determining whether the earphone is in use state and controlling the working state of the audio playback device according to the use state of the earphone. The earphone' includes at least, an L, a circuit surface, an electrical interface on the circuit board, and the earphone further includes: a variable resistance unit electrically connected to the circuit board, which is an elastic element and a resistance value thereof occurs with the elastic element The elastic deformation changes; and the waveform generating unit is configured to generate a corresponding analog current or voltage waveform according to the change of the resistance value of the variable resistance unit; the audio broadcast of the earphone electrical connection. ..:::;; The analog current or voltage waveform determines whether the earphone is in use. The invention provides an elastic variable electric limiting unit on the earphone, and when the earphone is picked up or worn, the earphone generates an analog current waveform or an analog voltage waveform according to the resistance value change of the variable resistance unit, thereby controlling the audio. The player is easy to open, close or pause. - [Embodiment] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. First Embodiment 099101271 Form No. A0101 Page 4/18 Pages 0992002503-0 201126408 [0015] [0019] Referring to FIG. 1, the audio playback system 1 includes an audio playback device 11 and The earphone 10 is used in conjunction with the audio playback device 11. The earphone 10 and the audio playback device 11 can communicate in a wired or wireless manner, and the wireless communication technology includes Bluetooth, infrared, and the like. In the present embodiment, the earphone is a headphone and communicates with the audio playback device 11 in a wired manner. Referring to FIG. 2, the headset 10 includes an audio interface 6, an earpiece 8, a circuit board 9, a variable resistance unit 7, and a waveform generating unit 12. The audio signal of the audio playback device 11 is transmitted to the circuit board 9 through the audio interface 6, and is sounded by the earpiece 8. The waveform generating unit 12 is electrically connected to the circuit board 9, and the waveform generating unit 12 generates an analog voltage or current waveform in accordance with a change in the resistance value of the variable resistance unit 7, and transmits it to the audio playback device 11 through the audio interface 6. Referring to Fig. 3, the variable resistance unit 7 is an elastic member such as a spiral elastic resistance wire. In the present embodiment, the coil spring resistance wire 7 is disposed in the headband 101 of the headphone 10, and when the headphone 10 is picked up or worn, the coil spring resistance wire 7 is accompanied by the headband 101. The elastic deformation is performed, and the spiral coils are electrically contacted or separated from each other to cause a change in the resistance value of the coil spring resistance wire 7. Referring to FIG. 4 together, in the Ω-Τ property map of the variable resistance unit 7, the c-segment on the time axis indicates that the headphone 10 is not in use, and the coil spring resistance wire 7 is not elastically deformed. The spiral coils 71 are in electrical contact with each other, and the resistance value thereof is a minimum value R2. The a-segment on the time axis indicates the process in which the user puts on the headphone 10, and the coil spring resistance wire 7 is elastically deformed along with the headband 101, and its spiral 099101271 form number A0101 page 5/18 pages 0992002503- [0020] 201126408 The coils 71 are gradually separated from each other, and the resistance value of the coil spring resistance wires 7 is gradually increased to the maximum value R1. [0021] The d-segment on the time axis represents the state in which the headphone 10 is held directly to the user's head, and its resistance value is R1 and remains unchanged. [0022] The b-segment on the time axis indicates the change in the resistance value of the coil spring resistance wire 7 when the headphone 10 is removed, and the change in the resistance value of the coil spring resistance wire 7 when the headphone 10 is worn. in contrast. [0023] The waveform generating unit 12 generates a corresponding analog current or voltage waveform in accordance with a change in the resistance value of the coil spring resistance wire 7. The audio playback device 11 determines whether the headset 10 is in use based on the analog current or voltage waveform. In the present embodiment, when it is detected that the analog current or voltage waveform is reduced and the first stable current or voltage value is reached, it is judged that the headphone 10 is in the use state. When it is detected that the analog current or voltage waveform increases and reaches the second stable current or voltage value, it is judged that the headphone 10 is in an unused state. [0024] In an embodiment, please refer to FIG. 5 together as a module diagram of the music playing system 1. The audio playback system 1 includes an audio playback device 11 including an audio playback unit 204, a processing unit 203, a storage unit 205, and a waveform generation unit 12 for generating an analog current or voltage waveform according to a change in the resistance value of the variable resistance unit 7. . [0025] The audio playback system 1 further includes a detection determination unit 202 for detecting a change process of the analog current or voltage waveform generated by the waveform generation unit 12 and determining whether the headset 10 is in use, and according to the headset The state of use of the earphone 10 controls the operational state of the audio playback device 20. At 099101271 Form No. A0101 Page 6 / 18 Pages 0992002503-0 201126408 [0026] [0027] [0030] [0036] [0036] [0036] [0036] 099101271 In other embodiments, the earphone is an in-ear earphone or an earplug. When the audio playback system 1 is used, when the earphone 10 is picked up or worn, the headset 10 generates an electrical waveform, and the audio playback system 1 determines whether the earphone 10 is used according to the electrical waveform, thereby controlling the audio playback device 11 Turning on, off, or pausing greatly improves the convenience of the audio playback system 1. It should be understood by those skilled in the art that the above embodiments are only intended to illustrate the invention, and are not intended to limit the invention, as long as it is within the spirit of the invention. Changes and modifications are intended to fall within the scope of the invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic diagram of an audio playback system according to an embodiment of the present invention. 2 is a diagram of a headphone module of the music playing system application of FIG. 1. 3A is a perspective view of the earphone of FIG. 1 in an unused state. Figure 3B is a partial cross-sectional view of the headband in an unused state of the earphone. FIG. 3C is a perspective view showing the state of use of the earphone of FIG. 1. FIG. Fig. 3D is a partial cross-section of the headband in the state of use of the earphone. 4 is an electrical property diagram of a variable resistance unit Ω-Τ in the embodiment. FIG. 5 is a block diagram of the music playing system of FIG. 1. [Main component symbol description] Audio playback system: 1 Form number A0101 Page 7 / Total 18 pages 0992002503-0 201126408 [0037] Audio playback device: 11 [0038] Headphone: 10 [0039] Variable resistance unit, coil spring resistance Wire: 7 [0040] Audio interface: 6 [0041] Handset: 8 [0042] Board: 9

[0043] Waveform generating unit: 12 [0044] Spiral coil: 71 [0045] Headband: 101 [0046] Processing unit: 203 [0047] Audio playback unit: 204 [0048] Storage unit: 205 [0049] Detection and determination unit :202 099101271 Form No. A0101 Page 8 of 18 0992002503-0

Claims (1)

201126408 VII. Patent application scope: 1. An audio playing system, comprising an audio playing device and an earphone for the same, the audio playing device comprising an audio playing unit, a processing unit and a storage unit; the earphone comprising at least one earpiece and audio The circuit board and the audio interface of the playback device communicate with each other, wherein the earphone further comprises: a variable resistance unit electrically connected to the circuit board, wherein the variable resistance unit is an elastic element and the resistance value changes according to the elastic deformation thereof; a waveform generating unit, configured to generate a Ο analog current or voltage waveform according to the change of the resistance value of the variable resistance unit: the audio playback device further includes a detection determining unit configured to detect the analog current or voltage waveform change process and determine whether the earphone is in The state of use is used, and the working state of the audio playback device is controlled according to the state of use of the earphone. 2. The audio playback system of claim 1, wherein when the detection determination unit detects that the analog current or voltage waveform decreases and reaches a first stable current or voltage value, determining that the earphone is in use; When the detection determining unit detects that the analog current or voltage waveform increases and finally reaches the second stable current or voltage value, it determines that the earphone is in an unused state 〇3. The audio playing system described in claim 1 is Wherein, the variable resistance unit is a coil spring resistance wire and its spiral coil is in electrical contact with each other in an initial state. 4. The audio playback system of claim 3, wherein the earphone is a headset, and the coil spring resistance wire is disposed within a headband of the headset. 5 . A type of earphone comprising at least one earpiece, a circuit board and an audio interface on a circuit board 099101271 Form No. A0101 Page 9 / 18 pages 0992002503-0 201126408, the improvement is that the earphone further comprises: a variable resistance unit of the circuit board, which is an elastic element and whose resistance value changes as the elastic element elastically deforms; and a waveform generating unit for generating a corresponding analog current according to a change in the resistance value of the variable resistance unit or The voltage waveform; the audio playback device electrically connected to the earphone determines whether the earphone is in use according to the analog current or voltage waveform. 6. The earphone of claim 5, wherein when the analog current waveform or the analog voltage waveform is reduced and reaches a first stable current or voltage value, indicating that the earphone is in use; when the analog current waveform When the analog voltage waveform increases and finally reaches the second stable current or voltage value, the headset is in an unused state. 7. The earphone of claim 5, wherein the variable resistance unit is a coil spring resistance wire and the spiral coils are electrically contacted with each other in an initial state. 8. The earphone according to claim 7 Wherein, the earphone is a headset, and the coil spring resistance wire is disposed in the headband of the headset. 099101271 Form No. A0101 Page 10 of 18 0992002503-0