CN102647646A - Bracelet type Bluetooth earphone and bracelet type Bluetooth earphone circuit - Google Patents
Bracelet type Bluetooth earphone and bracelet type Bluetooth earphone circuit Download PDFInfo
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- CN102647646A CN102647646A CN2012101009625A CN201210100962A CN102647646A CN 102647646 A CN102647646 A CN 102647646A CN 2012101009625 A CN2012101009625 A CN 2012101009625A CN 201210100962 A CN201210100962 A CN 201210100962A CN 102647646 A CN102647646 A CN 102647646A
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Abstract
The embodiment of the invention discloses a bracelet type Bluetooth earphone circuit which comprises a Bluetooth earphone circuit and a bracelet body circuit which are arranged in a separating manner, wherein the Bluetooth earphone circuit consists of a Bluetooth antenna module, a processing chip and a first interface unit; and the bracelet body circuit consists of a motor, a switch triode, and a second interface unit, the first interface unit and the second interface unit are selectively connected, according to the mobile phone working status acquired by the Bluetooth antenna module, the processing chip outputs a vibration control signal to the bracelet body circuit when the first interface unit and the second interface unit are connected, so as to enable a rotation shaft of the motor to rotate, and a cam is fixedly arranged on one end of the rotation shaft and rotates around the rotation shaft so as to generate vibration. The embodiment of the invention further discloses a bracelet type Bluetooth earphone. According to the technical scheme disclosed by the invention, the change on the working status of a mobile phone can be reminded for a user in time and can not be ignored due to the noisy environment voice, so that the user experience can be improved.
Description
Technical field
The present invention relates to electricity field, particularly relate to a kind of bracelet-shaped bluetooth earphone and bracelet-shaped bluetooth earphone circuit.
Background technology
In today that wireless communication technology is widely applied, Bluetooth technology has become a technology of popularizing the most in the short-distance wireless application.Bluetooth technology is mainly used in the transmission and the field of wireless communication of short distance low volume data.
Along with scientific and technological fast development and human lives's quality day by day promote, bluetooth earphone is increasing to be widely used.Yet; Present bluetooth earphone product ubiquity on the market some shortcomings; For example: when the user is in some particular environment, when the workshop that for example noise is big, road, public gathering place or the like, the sound of incoming call prompting will be covered by the noise of these environment; If bluetooth earphone is not worn over prompt tone of just can't hear incoming call on the ear or the like during incoming call.These problems all might make the user miss phone, thereby influence user experience.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of bracelet-shaped bluetooth earphone circuit; Realize vibration in the time of can changing in the operating state of portable terminal; Thereby the operating state of ability instant alerts customer mobile terminal changes; Can not ignore status of mobile terminal, improve user experience because of ambient sound is noisy.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of bracelet-shaped bluetooth earphone circuit is provided; Comprise the bluetooth earphone circuit and the bracelet body circuit that separate to be provided with, wherein: the bluetooth earphone circuit comprises: the Bluetooth antenna module is used to obtain the operating state of mobile phone; Process chip comprises the first input end mouth and first output port, and the first input end mouth is connected with the Bluetooth antenna module, obtains operating state from the Bluetooth antenna module, and process chip is controlled first output port output oscillation control signal according to operating state; First interface unit is connected with first output port; Bracelet body circuit comprises: motor, comprise positive source incoming end and power cathode incoming end, and a supply power voltage inputs to the positive source incoming end and thinks the motor power supply; Switch triode, the emitter of switch triode is connected grounded collector with the power cathode incoming end; Second interface unit is connected with the base stage of switch triode; Wherein, First interface unit is connected with second interface unit is alternative, and when first interface unit was connected with second interface unit, first output port was connected with base stage; Base stage is communicated with collector electrode according to the oscillation control signal control emitter of first output port output; So that the rotating shaft of motor is rotated, rotating shaft one end is set with cam, and rotating shaft drives cam rotation to produce vibration.
Wherein, Process chip further comprises the first power supply port, and first interface unit further is connected with the first power supply port, and second interface unit further is connected with the positive source incoming end; The process chip control first power supply port output supply power voltage; When first interface unit was connected with second interface unit, the positive source incoming end was connected with the first power supply port, and supply power voltage inputs to the positive source incoming end through the first power supply port.
Wherein, the bracelet body further is provided with voltage transformation unit between second interface unit and positive source incoming end, and voltage transformation unit comprises: voltage input end is connected with second interface unit; Voltage output end is connected with the positive source incoming end; When first interface unit is connected with second interface unit, voltage transformation unit will convert the rated operational voltage of motor into and export voltage output end to from the supply power voltage that second interface unit obtains.
Wherein, further be provided with battery on the bracelet body, the positive pole of battery is connected with the positive source incoming end, and minus earth, the positive pole of battery provide supply power voltage to go into to the positive source incoming end.
Wherein, The bracelet body further comprises USB interface; Process chip further comprises the charging voltage input port, and the VBUS port of USB interface is connected with second interface unit, and the charging voltage input port is connected with first interface unit; When first interface unit was connected with second interface unit, the VBUS port was connected with the charging voltage input port.
Wherein, the Data+ port of USB interface and Data-port are unsettled.
Wherein, The Data+ port of USB interface is connected with second interface unit respectively with the Data-port; Process chip further comprises the first data processing port and the second data processing port that is connected with first interface unit respectively; When first interface unit was connected with second interface unit, the Data+ end was connected with the first data processing port, and the Data-port is connected with the second data processing port.
Wherein, process chip is exported the oscillation control signal with different frequency according to different working State Control first output port.
Wherein, operating state comprises coming electricity condition, gets access to the new message state, gets access to new mail state and the not enough state of electric weight.
For solving the problems of the technologies described above, another technical scheme that the present invention adopts is: a kind of bracelet-shaped bluetooth earphone is provided, and it comprises above-mentioned bracelet-shaped bluetooth earphone circuit.
The invention has the beneficial effects as follows: the situation that is different from prior art; Bracelet-shaped bluetooth earphone circuit of the present invention is through separating setting with the bluetooth earphone circuit with bracelet body circuit; Utilize first interface unit and second interface unit to realize that the circuit between bluetooth earphone circuit and the bracelet body circuit connects; The bluetooth earphone circuit produces oscillation control signal according to the operating handset state; And utilize the circuit connection that this oscillation control signal is transferred to bracelet body circuit with the motor vibrations on the control bracelet body circuit, thus producing vibration, the operating state of ability instant alerts user mobile phone changes; Can not ignore mobile phone state, improve user experience because of ambient sound is noisy.
Description of drawings
Fig. 1 is the perspective view of bracelet-shaped bluetooth earphone one preferred embodiment of the present invention;
Fig. 2 is the decomposing schematic representation of bracelet-shaped bluetooth earphone shown in Figure 1;
Fig. 3 is the partial cross section sketch map of bracelet-shaped bluetooth earphone shown in Figure 1;
Fig. 4 is the electrical block diagram of bracelet-shaped bluetooth earphone circuit first embodiment of the present invention;
Fig. 5 is the electrical block diagram of bracelet-shaped bluetooth earphone circuit second embodiment of the present invention.
Embodiment
Below in conjunction with Fig. 1 to Fig. 4, the present invention is elaborated:
Please consult Fig. 1 to Fig. 3 in the lump, Fig. 1 is the perspective view of bracelet-shaped bluetooth earphone one preferred embodiment in the embodiment of the invention, and Fig. 2 is the decomposing schematic representation of bracelet-shaped bluetooth earphone shown in Figure 1.
Like Fig. 1 and shown in Figure 2, the present invention provides a kind of bracelet-shaped bluetooth earphone 10, and this bracelet-shaped bluetooth earphone 10 comprises bluetooth earphone 100 and bluetooth bracelet 200.
Wherein, this bluetooth earphone 100 comprises headset main body portion 110 and receiver portion 120, and this bluetooth bracelet 200 comprises bracelet main part 210 and wrist strap portion 220.
In embodiments of the present invention; Be provided with first magnet unit (figure does not show) in this headset main body portion 110; Be provided with second magnet unit (figure does not show) in this bracelet main part 210, this bluetooth earphone 100 be placed on this bluetooth bracelet 200 through of the magnetic suction-operated of this first magnet unit 111 with this second magnet unit 211.
And; In embodiments of the present invention, this bracelet main part 210 is provided with first interface unit 303, and this headset main body portion 110 is provided with second interface unit 305; Wherein this first interface unit 303 and second interface unit 305 are the metallic conduction material; Be placed in 200 last times of bluetooth bracelet at bluetooth earphone 100, first interface unit 303 and second interface unit 305 interconnect, and can keep being electrically connected with headset main body portion 110 to guarantee bracelet main part 210.
See also Fig. 3, Fig. 3 is the partial cross section sketch map of bracelet-shaped bluetooth earphone shown in Figure 1.As shown in Figure 3; It shows the concrete structure of first interface unit 303 and second interface unit 305; Wherein, first interface unit 303 is 4 outstanding pins, and second interface unit 305 also adopts the pin of 4 same sizes; The pin of second interface unit 305 is inverted; And with 4 of the first interface unit 303 corresponding settings of outstanding pin, make when first interface unit 303 is connected with second interface unit 305 that respectively each pin in first interface unit 303 all can be electrically connected with the corresponding pin in second interface unit 305.
Number of pins that it should be noted that first interface unit 303 and second interface unit 305 can be other quantity, and it can be expanded according to circuit, and the present invention does not limit this.
See also Fig. 4, wherein Fig. 4 is the electrical block diagram of bracelet-shaped bluetooth earphone circuit first embodiment of the present invention, will combine Fig. 4 that the bracelet-shaped bluetooth earphone circuit that present embodiment disclosed is elaborated below:
Bracelet-shaped bluetooth earphone circuit in the present embodiment is arranged in the bracelet-shaped bluetooth earphone; It comprises bluetooth earphone circuit and the bracelet body circuit that separates setting; Wherein, The bluetooth earphone circuit is arranged on the printed circuit board (PCB) shown in Figure 3 20, and bracelet body circuit is arranged on the printed circuit board (PCB) shown in Figure 3 40.
As shown in Figure 4, the bluetooth earphone circuit comprises Bluetooth antenna module 301, process chip 302 and first interface unit 303.Wherein, Bluetooth antenna module 301 is used to obtain the operating state of mobile phone; Process chip 302 comprises the first input end mouth RFP and the first output port GPIO_13; First input end mouth RFP is connected with Bluetooth antenna module 301, and first input end mouth RFP obtains the operating state of mobile phone from the Bluetooth antenna module, and process chip 302 is controlled first output port GPIO_13 output oscillation control signal according to this operating state; First interface unit 303 is connected with the first output port GPIO_13, obtains this oscillation control signal from the first output port GPIO_13.
Particularly; Process chip 302 can adopt the Bluetooth signal process chip to realize; Bluetooth antenna module 301 comprises Bluetooth antenna 3011 and Bluetooth signal filter circuit 3012, and Bluetooth antenna 3011 obtains the Bluetooth signal that modulation has the operating state of mobile phone, and Bluetooth signal filter circuit 3012 can be used for this Bluetooth signal is carried out Filtering Processing; And the Bluetooth signal that will pass through Filtering Processing inputs to first input end mouth RFP, and in process chip 302, carries out demodulation process to obtain the operating state of mobile phone.Wherein, Bluetooth signal filter circuit 3012 is this area common technology with Bluetooth antenna 3011, does not give unnecessary details in this.
Bracelet body circuit comprises motor 304, switch triode Q1 and second interface unit 305.Wherein, motor 304 comprises positive source incoming end IN and power cathode incoming end OUT, and the emitter E of switch triode Q1 is connected with power cathode incoming end OUT, collector electrode C ground connection, and second interface unit 305 is connected with the base stage B of switch triode.
In the alternative of the bracelet-shaped bluetooth earphone circuit of the present invention, process chip 302 can have the oscillation control signal of different frequency according to different working State Control first output port GPIO_13 output.Wherein, this operating state comprises coming electricity condition, gets access to the new message state, gets access to new mail state and the not enough state of electric weight or the like, and the oscillation control signal with different frequency is corresponding to the different working state; Make cam 3041 produce vibration with different frequencies, the user can be known the operating state of mobile phone according to the vibration interval of bracelet body, for example; Can be provided with the corresponding oscillation control signal of electricity condition is that high level continues 6s, and low level continues 6s, at this moment; The rotating shaft 3042 of motor 304 can be rotated 6s continuously, and the 6s that stops operating, so repeatedly; Accordingly, cam 3041 produces the vibration of 6s on the bracelet body, and stops to vibrate 6s; So repeatedly, the user can know that the corresponding operating state of mobile phone is for coming electricity condition through the time of vibration that perceives the bracelet body.
In bracelet-shaped bluetooth earphone circuit first embodiment of the present invention, inputing to the supply power voltage that positive source incoming end IN thinks that motor 304 is supplied power is to be provided by the bluetooth earphone circuit.Particularly, please refer again to Fig. 4, as shown in Figure 4, bracelet body circuit is provided with voltage transformation unit 306 between the positive source incoming end IN of second interface unit 305 and motor 3043, and voltage transformation unit 306 comprises voltage input end VIN and voltage output end VOUT.Process chip 302 comprises the first power supply port VBAT, and first interface unit 303 is connected with the first power supply port VBAT, and voltage input end VIN is connected with second interface unit 305, and voltage output end VOUT is connected with positive source incoming end IN.The process chip 302 controls first power supply port VBAT output supply power voltage; When first interface unit 303 is connected with second interface unit 305; Voltage input end VIN is connected with the first power supply port VBAT, and this supply power voltage inputs to voltage input end VIN through the first power supply port VBAT.Voltage transformation unit 306 will convert the rated operational voltage of motor 304 into and export voltage output end VOUT to from the supply power voltage that second interface unit 305 obtains, so that motor 304 is supplied power.
Certainly, voltage transformation unit 306 is not necessary element, and when supply power voltage was the motor rated operational voltage, this voltage transformation unit 306 can be omitted, and after voltage transformation unit 306 was omitted, technical scheme of the present invention still can obtain constructed effect.As after omitting voltage transformation unit 306; Second interface unit 305 directly is connected with positive source incoming end IN; The process chip 302 controls first power supply port VBAT output supply power voltage; When first interface unit 303 was connected with second interface unit 305, positive source incoming end IN was connected with the first power supply port VBAT, and this supply power voltage inputs to positive source incoming end IN through the first power supply port VBAT.
In the foregoing description; To motor 304 supply power voltage is provided by the bluetooth earphone circuit; When first interface unit 303 and second interface unit 305 break off when being connected; Supply power voltage no longer provides to motor 304, thereby makes that the user bracelet body stops vibration automatically when the bracelet body is picked up bluetooth earphone.Further; In bracelet-shaped bluetooth earphone circuit alternative of the present invention, the bracelet body is provided with battery, and the positive pole of this battery is connected IN with the positive source incoming end; Minus earth; The positive pole of this battery provides supply power voltage to go into to positive source incoming end IN, thus the battery that utilizes the bracelet body itself to carry supply power for motor, also can obtain identical technique effect.But in this kind embodiment, the battery on the bracelet body needs long-term work, and its power consumption is bigger, and therefore, the present invention preferably adopts the execution mode that supply power voltage is provided to motor 304 by the bluetooth earphone circuit.
In addition, be provided with resistance R 9 between the base stage B of switch triode and second interface 305, it is used to produce base current, and its resistance can for example be 510 ohm.And, between the base stage B of switch triode and positive source incoming end IN, more being provided with resistance R 12, it is a pull-up resistor, is used to improve the pressure drop of base stage B, its resistance can for example be 1000k ohm.
Wherein, above-mentioned switch triode model can be specially BC856T, and the model of transformer 304 can be specially XC6204B332MR; When adopting the transformer of XC6204B332MR model, its GND port ground connection, the CE port is connected with voltage input end VIN; The NC port is unsettled; And, can be respectively arranged with filter capacitor at voltage input end VIN and voltage output end VOUT, carry out ac filter with voltage and handle two-port.
Please continue referring to Fig. 4, as shown in Figure 4, bracelet body circuit more comprises USB interface 307; Process chip 302 comprises charging voltage input port VCHG; The VBUS port of USB interface 307 is connected with second interface unit 305 through filter circuit 307, the Data+ port of USB interface 307 and the unsettled setting of Data-port, and charging voltage input port VCHG is connected with first interface unit 303; When first interface unit 303 is connected with second interface unit 305; The VBUS port is connected with this charging voltage input port VCHG through filter circuit 307, therefore, and when the USB of outside charger is inserted in USB interface 307; The VBUS port gets access to that the USB charger provides+the 5V charging voltage; This charging voltage inputs to the charging voltage input port VCHG of process chip 302 through after the Filtering Processing of filter circuit 307, thus charging for the bluetooth earphone circuit.
Wherein, the charging voltage input port VCHG of process chip 302 can be used for providing the battery (not illustrating) of power supply to charge for process chip 302, and this part technology contents is this area common technology, does not do in this and gives unnecessary details.
It should be noted that above-mentioned filter circuit 307 be used for to the USB charger provide+the 5V charging voltage carries out Filtering Processing, when the charging voltage that provides at the USB charger is constant, can omit this filter circuit 307.
Below see also Fig. 5, Fig. 5 is the electrical block diagram of bracelet-shaped bluetooth earphone circuit second embodiment of the present invention, and is as shown in Figure 5; Bracelet-shaped bluetooth earphone circuit second embodiment of the present invention and above-mentioned first embodiment are roughly the same, and its difference is, has adopted process chip 402, first interface unit 403 and second interface unit 405; Wherein, with respect to for first embodiment, the first data processing port GPIO2 and the second data processing port GPIO3 are set in process chip 402 more; And further be provided with the first data processing port GPIO2 and the second data processing port GPIO3 respectively first interface unit 403 be connected, and the Data+ port that USB interface 307 is set on the basis of first embodiment is connected with second interface unit 405 respectively with the Data-port; And; When first interface unit 303 was connected with second interface unit 305, the Data+ end was connected with the first data processing port GPIO2, and the Data-port is connected with the second data processing port GPIO3; Therefore; In the present embodiment, when the usb data transmission equipment of outside was inserted in USB interface 307, the Data+ port of USB interface 307 and Data-port can get access to corresponding data level signal from the usb data transmission equipment; This data level signal can transfer to the first data processing port GPIO2 and the second data processing port GPIO3 of process chip 402 respectively; Likewise, the first data processing port GPIO2 of process chip 402 and the second data processing port GPIO3 also can produce the data level signal and transmit it in the usb data transmission equipment, therefore; In the present embodiment, USB interface 307 has more data-transformation facility.
In the present embodiment; Bracelet-shaped bluetooth earphone circuit is through separating setting with the bluetooth earphone circuit with bracelet body circuit; Utilize first interface unit and second interface unit to realize that the circuit between bluetooth earphone circuit and the bracelet body circuit connects, the bluetooth earphone circuit produces oscillation control signal according to the operating handset state, and utilizes the circuit connection that this oscillation control signal is transferred to bracelet body circuit with the revolution on the control bracelet body circuit; Thereby produce vibration; The operating state of ability instant alerts user mobile phone changes, and can not ignore mobile phone state because of ambient sound is noisy, has improved user experience.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a bracelet-shaped bluetooth earphone circuit is characterized in that, said circuit comprises bluetooth earphone circuit and the bracelet body circuit that separates setting, wherein:
Said bluetooth earphone circuit comprises:
The Bluetooth antenna module is used to obtain the operating state of mobile phone;
Process chip; Comprise the first input end mouth and first output port; Said first input end mouth is connected with said Bluetooth antenna module; Obtain said operating state from said Bluetooth antenna module, said process chip is controlled said first output port output oscillation control signal according to said operating state;
First interface unit is connected with said first output port;
Said bracelet body circuit comprises:
Motor comprises positive source incoming end and power cathode incoming end, and a supply power voltage inputs to said positive source incoming end and thinks said motor power supply;
Switch triode, the emitter of said switch triode is connected grounded collector with said power cathode incoming end;
Second interface unit is connected with the base stage of said switch triode;
Wherein, Said first interface unit is connected with said second interface unit is alternative, and when said first interface unit was connected with said second interface unit, said first output port was connected with said base stage; Said base stage controls said emitter according to the said oscillation control signal of said first output port output and is communicated with said collector electrode; So that the rotating shaft of said motor is rotated, said rotating shaft one end is set with cam, and said rotating shaft drives said cam rotation to produce vibration.
2. circuit according to claim 1; It is characterized in that; Said process chip further comprises the first power supply port, and said first interface unit further is connected with the said first power supply port, and said second interface unit further is connected with said positive source incoming end; Said process chip is controlled the said first power supply port and is exported said supply power voltage; When said first interface unit was connected with said second interface unit, said positive source incoming end was connected with the said first power supply port, and said supply power voltage inputs to said positive source incoming end through the said first power supply port.
3. circuit according to claim 2 is characterized in that, said bracelet body further is provided with voltage transformation unit between said second interface unit and said positive source incoming end, and said voltage transformation unit comprises:
Voltage input end is connected with said second interface unit;
Voltage output end is connected with said positive source incoming end;
When said first interface unit is connected with said second interface unit, said voltage transformation unit will convert the rated operational voltage of said motor into and export said voltage output end to from the said supply power voltage that said second interface unit obtains.
4. circuit according to claim 1; It is characterized in that, further be provided with battery on the said bracelet body, the positive pole of said battery is connected with said positive source incoming end; Minus earth, the positive pole of said battery provide said supply power voltage to go into to said positive source incoming end.
5. circuit according to claim 1; It is characterized in that said bracelet body further comprises USB interface, said process chip further comprises the charging voltage input port; The VBUS port of said USB interface is connected with said second interface unit; Said charging voltage input port is connected with said first interface unit, and when said first interface unit was connected with said second interface unit, said VBUS port was connected with said charging voltage input port.
6. circuit according to claim 5 is characterized in that, the Data+ port and the Data-port of said USB interface are unsettled.
7. circuit according to claim 5; It is characterized in that; The Data+ port of said USB interface is connected with said second interface unit respectively with the Data-port; Said process chip further comprises the first data processing port and the second data processing port that is connected with said first interface respectively; When said first interface unit was connected with said second interface unit, said Data+ end was connected with the said first data processing port, and said Data-port is connected with the said second data processing port.
8. circuit according to claim 1 is characterized in that, said process chip is exported the oscillation control signal with different frequency according to said first output port of different working State Control.
9. circuit according to claim 8 is characterized in that, said operating state comprises coming electricity condition, gets access to the new message state, gets access to new mail state and the not enough state of electric weight.
10. a bracelet-shaped bluetooth earphone is characterized in that, comprises each described bracelet-shaped bluetooth earphone circuit of claim 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210100962.5A CN102647646B (en) | 2012-04-06 | 2012-04-06 | Bracelet type Bluetooth earphone and bracelet type Bluetooth earphone circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210100962.5A CN102647646B (en) | 2012-04-06 | 2012-04-06 | Bracelet type Bluetooth earphone and bracelet type Bluetooth earphone circuit |
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| CN102647646A true CN102647646A (en) | 2012-08-22 |
| CN102647646B CN102647646B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210100962.5A Active CN102647646B (en) | 2012-04-06 | 2012-04-06 | Bracelet type Bluetooth earphone and bracelet type Bluetooth earphone circuit |
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| CN103763647A (en) * | 2013-12-25 | 2014-04-30 | 衡阳加一电子科技有限公司 | Bluetooth communication device |
| CN104010241A (en) * | 2013-02-21 | 2014-08-27 | Lg电子株式会社 | Bluetooth headset |
| CN105531941A (en) * | 2014-07-28 | 2016-04-27 | 华为技术有限公司 | Bluetooth communication method and device |
| CN107612106A (en) * | 2017-10-10 | 2018-01-19 | 深圳前海云霸智谷科技有限公司 | The application system of shared power circuit and the circuit |
| CN108766122A (en) * | 2018-06-22 | 2018-11-06 | 常州轻工职业技术学院 | A kind of device improving pronunciation of English quality with tactile |
| US11490188B2 (en) | 2019-04-30 | 2022-11-01 | Shenzhen Shokz Co., Ltd. | Acoustic output device and components thereof |
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| CN201278554Y (en) * | 2008-10-27 | 2009-07-22 | 中国科学院计算技术研究所 | Incoming call prompt apparatus |
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| CN1921510A (en) * | 2005-08-22 | 2007-02-28 | 三星电子株式会社 | Wrist watch-type headset assembly |
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| CN104010241A (en) * | 2013-02-21 | 2014-08-27 | Lg电子株式会社 | Bluetooth headset |
| CN104010241B (en) * | 2013-02-21 | 2018-03-09 | Lg电子株式会社 | Bluetooth earphone |
| CN103763647A (en) * | 2013-12-25 | 2014-04-30 | 衡阳加一电子科技有限公司 | Bluetooth communication device |
| CN105531941A (en) * | 2014-07-28 | 2016-04-27 | 华为技术有限公司 | Bluetooth communication method and device |
| US10666785B2 (en) | 2014-07-28 | 2020-05-26 | Huawei Technologies Co., Ltd. | Bluetooth communication method and device |
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| CN108766122A (en) * | 2018-06-22 | 2018-11-06 | 常州轻工职业技术学院 | A kind of device improving pronunciation of English quality with tactile |
| CN108766122B (en) * | 2018-06-22 | 2020-06-05 | 常州轻工职业技术学院 | Device for improving English pronunciation quality by touch sense |
| US11490188B2 (en) | 2019-04-30 | 2022-11-01 | Shenzhen Shokz Co., Ltd. | Acoustic output device and components thereof |
| US12010475B2 (en) | 2019-04-30 | 2024-06-11 | Shenzhen Shokz Co., Ltd. | Acoustic output device and components thereof |
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| CN102647646B (en) | 2016-03-30 |
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