CN201042009Y - Portable Bluetooth sound amplification device - Google Patents
Portable Bluetooth sound amplification device Download PDFInfo
- Publication number
- CN201042009Y CN201042009Y CNU2007201541039U CN200720154103U CN201042009Y CN 201042009 Y CN201042009 Y CN 201042009Y CN U2007201541039 U CNU2007201541039 U CN U2007201541039U CN 200720154103 U CN200720154103 U CN 200720154103U CN 201042009 Y CN201042009 Y CN 201042009Y
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- bluetooth
- module
- audio source
- reproducing apparatus
- signal
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Abstract
The utility model relates to a portable bluetooth loudspeaking device comprises a bluetooth module used for performing wireless communication with a bluetooth communication device and outputting an audio source signal; an audio source switching module connected to the bluetooth module for receiving audio source signals; a loudspeaker connected to the audio switching module; a wire collecting unit provided with a wire duct, a winding roll, a communication wire and a volute spring, wherein, the winding roll and the volute spring are pivoted in the wire duct, the communication wire is winded on the winding roll, and can be pulled or collected under the effect of the volute spring, one end of the communication wire is connected with the audio source switch module, and the other end connects with an earphone; and a judging unit connected with the audio source switching module and the wire collecting unit and used for outputting, according to the pull or collection of the communication wire, a judging signal to the audio source switching module to control the switches of audio source signals.
Description
Technical field
The utility model is relevant for a kind of Portable Bluetooth sound reproducing apparatus, refers to especially a kind ofly can carry out wireless telecommunications with bluetooth cellular phone, and has the Bluetooth sound reproducing apparatus of the amplify conversation of pattern hand-free and the conversation of wired earphone pattern hand-free.
Background technology
Bluetooth is the technology of a kind of low cost, low-power and short-distance wireless communication, can be applied in widely on any individual action communication apparatus.Bluetooth technology is utilized the function of wireless transmission, can design bluetooth earphone, portable mobile phone table, and directly wear the communicator on finger, these products need only built-in Bluetooth chip not only can wireless transmission, more can provide online and transmitting-receiving e-mail function, quite hommization.
Bluetooth earphone is of a great variety on the market, many and bluetooth cellular phone is used on using, the user can wear bluetooth earphone and carry out two-way communication with standard bands and bluetooth cellular phone, whenever, where, the user all can utilize the wireless transmission function of Bluetooth technology, reaches the hand-free effect that receives calls.
With reference to figure 1, communications rack composition for known bluetooth earphone and bluetooth cellular phone, in known bluetooth communication framework, be by blue-tooth technology the calling voice message 50 of bluetooth cellular phone 60 to be wirelessly transmitted to bluetooth earphone 40, the sound message 52 that bluetooth earphone 40 send tendency to develop is wirelessly transmitted to bluetooth cellular phone 60 and carries out two-way voice transmissions with blue-tooth technology.So, when the user can receive calls in various places, reach the effect of hand-free mobile phone.
Cooperate Fig. 1, please refer to Fig. 2, be known bluetooth earphone internal circuit block schematic diagram.When incoming call, radio communication unit 401 in the bluetooth earphone 40 can receive the calling voice message 50 that sends from remote bluetooth mobile phone 60, calling voice message 50 is sent to a controller 402 and handles, after these controller 402 processing, sound message 50 can be sent by this earphone 404, the user can be known hear.
Simultaneously, the user can see through this microphone 403 and import the sound message 52 that responds into this controller 402, after the sound message 52 of response is handled via this controller 402, can be sent to this radio communication unit 401, send it back the sound message 52 of answering to long-range bluetooth cellular phone 60 by this radio communication unit 401, and then finish two-way voice transfer.And when the user can be received calls in various places, reach the effect of hand-free mobile phone.
Yet, wear bluetooth earphone 40 for a long time and get off and will cause ear's pain, the tool sticky feeling.When incoming call, bluetooth earphone 40 only can provide a user to use and answer conversation in addition, and can't allow the 3rd people or many people participate in conversation, so, for people on the living conditions or the speech quality in the work and conversation need and can have a greatly reduced quality.
Therefore, design a Portable Bluetooth sound reproducing apparatus that can carry out wireless telecommunications with bluetooth cellular phone 60, become the eager needs of user of long-term use bluetooth earphone 40.Simultaneously,, more can promote calling quality, increase the confidentiality of conversation, allow the user select suitable call mode according to dialog context if the converse earphone of confidentiality of tool is integrated in the Portable Bluetooth sound reproducing apparatus.
The utility model content
The purpose of this utility model is, a kind of Portable Bluetooth sound reproducing apparatus is provided, and carries out wireless telecommunications with a bluetooth communication device, and has two kinds of call modes of amplify hand-free and earphone hand-free.
The utility model provides a kind of Portable Bluetooth sound reproducing apparatus, can carry out wireless telecommunications with a bluetooth communication device, and it comprises: a bluetooth module, an audio source switch module, a loud speaker, a take-up unit, an earphone and a judging unit.Bluetooth module is obtained a wireless signal with Radio Transmission Technology from this bluetooth communication device, and exports a source of sound signal.Audio source switch module is connected in this bluetooth module, receives this source of sound signal.Loud speaker is connected in this audio source switch module.The take-up unit is provided with a wire casing, a winding roll, an order wire and a volute spring, and this winding roll and this volute spring are hubbed in this wire casing; This order wire is wound on this winding roll.This order wire is subjected to this volute spring effect, and can or furl for stretching, and an end of this order wire is connected in this audio source switch module.Earphone is connected in the other end of this order wire.Judging unit has a hook switch, one end of this hook switch connects a high potential signal source, the other end is connected to an electronegative potential signal source and this audio source switch module, this hook switch is according to the stretching of this order wire or furl and carry out switch and switch, and then provides one of high potential or electronegative potential to judge that signal is to this audio source switch module.
The utility model also provides a kind of Portable Bluetooth sound reproducing apparatus, can carry out wireless telecommunications with a bluetooth communication device, comprising: amplify body, a pivotal block and an earphone body.The body that amplifies includes: a bluetooth module, an audio source switch module, a loud speaker.Bluetooth module is obtained a wireless signal with Radio Transmission Technology from this bluetooth communication device, and exports a source of sound signal; Audio source switch module is connected in this bluetooth module, receives this source of sound signal; Loud speaker is connected in this audio source switch module.Pivotal block is connected in an end of this body that amplifies, and this pivotal block has a flexible printed wiring board.The earphone body is connected in this pivotal block, can relatively rotate to fit in this body that amplifies, and this earphone body includes: a take-up unit and a judging unit.The take-up unit has one can be for the order wire, a wire casing, a winding roll and the volute spring that stretch or furl, and this winding roll and this volute spring are hubbed at this wire casing, and this order wire is wound in this winding roll; Judging unit has a hook switch, one end of this hook switch connects a high potential signal source, the other end is connected to an electronegative potential signal source and this audio source switch module, this hook switch is according to the stretching of this order wire or furl and carry out switch and switch, and then provides one of high potential or electronegative potential to judge that signal is to this audio source switch module.
Portable Bluetooth sound reproducing apparatus of the present utility model further comprises a microphone, is connected in this bluetooth module.
The source of sound signal that the utility model uses loud speaker that the bluetooth communication device is sent amplifies sounding, allows many people be known and hears, reaches the hand-free effect that amplifies.In addition, the utility model also can stretch and be connected in the earphone of take-up unit, and uses earphone to converse, and increases the confidentiality of conversation, and reaches earphone hand-free effect.
So, the user can utilize the utility model, reaches the effect of three people or many people conversation, with promote people on the living conditions or the speech quality in the work and conversation need, and can reach the confidentiality of conversation, when conversation, not influenced by other people.
In order further to understand the utility model feature and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.
Description of drawings
Fig. 1 is the communications rack composition of known bluetooth earphone and bluetooth cellular phone;
Fig. 2 is known bluetooth earphone internal circuit block schematic diagram;
Fig. 3 is a communication schematic diagram of the present utility model;
Fig. 4 is another communication schematic diagram of the present utility model;
Fig. 5 is the first embodiment schematic diagram of the utility model operating environment;
Fig. 6 A is the second embodiment schematic diagram of the utility model operating environment;
Fig. 6 B is the 3rd an embodiment schematic diagram of the utility model operating environment;
Fig. 7 is the utility model circuit box schematic diagram;
Fig. 8 is a take-up unit mechanisms schematic diagram of the present utility model; And
Fig. 9 is the circuit diagram of judging unit of the present utility model and audio source switch module.
The figure number explanation:
One, known:
Bluetooth earphone 40
Microphone 403
Earphone 404
Bluetooth cellular phone 60
Two, the utility model:
Portable Bluetooth sound reproducing apparatus 1,1 ' loud speaker 10
Bluetooth module 11 earphones 12
Microphone 13 audio source switch module 14
Bluetooth communication device 2 hook switch SW1
High potential signal source VBAT resistance R 1
Electronegative potential signal source G wireless signal S1
Source of sound signal S2 judges signal S3
Control command S4 user 3
Body A earphone body B amplifies
Pivotal block C control chip U1, U2
Embodiment
Please refer to Fig. 3, be communication schematic diagram of the present utility model.As shown in Figure 3, Portable Bluetooth sound reproducing apparatus 1 of the present utility model is provided with one can be for being located on carry-on clothing or the articles for use and fixing anchor clamps 18, and can carry out wireless telecommunications with a bluetooth communication device 2, and wherein, bluetooth communication device 2 can be a bluetooth cellular phone.
When bluetooth communication device 2 incoming calls, promptly export a wireless signal S1 and give Bluetooth sound reproducing apparatus 1 of the present utility model, after Bluetooth sound reproducing apparatus 1 of the present utility model is handled wireless signal S1, can be by a loud speaker 10 and a microphone 13, so that the hand-free call mode that amplifies to be provided, or can and cooperate this microphone 13 by this earphone 12 of stretching, so that an earphone hand-free call mode to be provided.
Please refer to Fig. 4, be another communication schematic diagram of the present utility model.As shown in Figure 4, Portable Bluetooth sound reproducing apparatus 1 ' of the present utility model is structural different with Bluetooth sound reproducing apparatus 1 difference shown in Figure 3.Portable Bluetooth sound reproducing apparatus 1 ' is formed its structure by amplify body A one earphone body B and a pivotal block C.Pivotal block C is installed on the end of this body A that amplifies.Earphone body B is installed on this pivotal block C, by this pivotal block C this earphone body B can be fitted with respect to this body A rotation that amplifies, and forms Foldable portable Bluetooth sound reproducing apparatus 1 '.Pivotal block C comprises a flexible printed wiring board (indicate), and this flexible printed wiring board provides this electric connection between body A and this earphone body B of amplifying.
In addition, Foldable portable Bluetooth sound reproducing apparatus 1 ' is located on carry-on clothing or the articles for use so that the user to be provided by folding characteristic, and reaches the stable and balance that folder is established.
When bluetooth communication device 2 incoming calls, promptly export wireless signal S1 and give Bluetooth sound reproducing apparatus 1 ' of the present utility model, after Bluetooth sound reproducing apparatus 1 ' of the present utility model is handled wireless signal S1, can be by loud speaker 10 and microphone 13, so that the hand-free call mode that amplifies to be provided, or can and cooperate this microphone 13 by this earphone 12 of stretching, so that earphone hand-free call mode to be provided.
Cooperate Fig. 3,, be the first embodiment schematic diagram of the utility model operating environment with reference to figure 5.User 3 Portable Bluetooth sound reproducing apparatus of the present utility model 1 and bluetooth communication device 2 can be worn on one's body, and make it to be in the communication link situation.When bluetooth communication device 2 incoming calls, user 3 can see through Portable Bluetooth sound reproducing apparatus 1 of the present utility model and directly converse with the hand-free call mode that amplifies.In addition, if user 3 is inconvenient to allow other people know the incoming call content, then can directly stretch is arranged at the earphone 12 of Portable Bluetooth sound reproducing apparatus 1 inside, and uses earphone hand-free call mode to converse, reaching the confidentiality of conversation, and when conversation, not influenced by other people.
With reference to figure 6A, be the second embodiment schematic diagram of the utility model operating environment.The driver can wear Bluetooth sound reproducing apparatus 1 of the present utility model on one's body, and when bluetooth communication device 2 incoming call, see through the hand-free call mode that amplifies and converse, to reach the effect of three people or many people conversation.In addition, please refer to Fig. 6 B, be the 3rd embodiment schematic diagram of the utility model operating environment.Driving wear Bluetooth sound reproducing apparatus 1 of the present utility model on one's body, and when bluetooth communication device 2 incoming call, see through earphone hand-free call mode and converse, reaching the confidentiality of conversation, and when conversation, not influenced by other people.So, the utility model can promote people on the living conditions or work on speech quality and the conversation needs.
Cooperate Fig. 3, please refer to Fig. 7, be the utility model circuit box schematic diagram.Bluetooth sound reproducing apparatus 1 of the present utility model comprises: a bluetooth module 11, a microphone 13, an audio source switch module 14, a loud speaker 10, a take-up unit 16, an earphone 12 and a judging unit 15.
Bluetooth module 11 is obtained wireless signal S1 with Radio Transmission Technology from this bluetooth communication device 2, and by handling this wireless signal S1 to export a source of sound signal S2.Audio source switch module 14 is connected in this bluetooth module 11 and judging unit 15, receives this source of sound signal S2, and is controlled by judging unit 15 and carries out the switching of source of sound signal S2 transmission path.In addition, audio source switch module 14 more connects loud speaker 10 and this take-up unit 16, and wherein, loud speaker 10 is used to provide sound amplification function, and take-up unit 16 is used for connecting this earphone 12, and allows this earphone 12 be stretched and furl in this take-up unit 16.
This judging unit 15 stretches according to this earphone 12 or furls in this take-up unit 16, and the judgement signal S3 that exports a high potential or electronegative potential gives this audio source switch module 14, and then control the switching of this source of sound signal S2 transmission path, make it to be transferred into loud speaker 10 or earphone 12.The judgement signal S3 control audio source switch module 14 of electronegative potential is delivered to loud speaker 10 with source of sound signal S2, reaches the output that amplifies by loud speaker 10, and is connected in the microphone 13 of this bluetooth module 11, can reach the purpose of conversation.And the judgement signal S3 of high potential control audio source switch module 14 is delivered to earphone 12 with source of sound signal S2, and is connected in the microphone 13 of this bluetooth module 11, can reach the purpose of latent close conversation.
The aforementioned judgement signal S3 that utilizes high potential or electronegative potential, controlling the mode of the switching of message transmission path, only is embodiment of the present utility model, yet if make otherwise, and can reach the effect identical with present embodiment, still belong to the creation spirit of present embodiment.
Multiple with reference to figure 7, Portable Bluetooth sound reproducing apparatus 1 of the present utility model further comprises a function key unit 17, and this function key unit 17 is connected in this bluetooth module 11, provide a control command S4 to this bluetooth module 11, in order to adjust the output volume of loud speaker 10 or earphone 12.
Cooperate Fig. 7, please refer to Fig. 8, be take-up unit mechanisms schematic diagram of the present utility model.Take-up of the present utility model unit 16 includes a wire casing 160, a winding roll 162, an order wire 164 and a volute spring 166.Wherein, this winding roll 162 is hubbed at this wire casing 160 with this volute spring 166, and this order wire 164 is wound on rotating this winding roll 162.This order wire 164 is subjected to this volute spring 166 and winding roll 162 rotary actions, and can be for stretching or furling.And an end of this order wire 164 is connected in this audio source switch module 14, and the other end then is connected in earphone 12.
Cooperate Fig. 7 and Fig. 8, please refer to Fig. 9, be the circuit diagram of judging unit of the present utility model and audio source switch module.As shown in Figure 7, judging unit 15 comprises a hook switch SW1, and the end of hook switch SW1 connects a high potential signal source VBAT, and the other end sees through a resistance R 1 and is connected to an electronegative potential signal source G and an audio source switch module 14.Hook switch SW1 is according to the stretching of this order wire 164 or furl and carry out switch SW 1 and switch, and then the judgement signal S3 that high potential or electronegative potential are provided is to audio source switch module 14, with the switching output of control source of sound signal S2.
During bluetooth communication device 2 incoming calls, promptly export wireless signal S1 and give Portable Bluetooth sound reproducing apparatus 1 of the present utility model, after Portable Bluetooth sound reproducing apparatus 1 of the present utility model is handled wireless signal S1, produce source of sound signal S2 output.Amplify when conversing under the hand-free mode if the user is chosen in, take-up unit 16 is in the state of furling, and hook switch SW1 then is in open mode (OFF).At this moment, electronegative potential signal source G provides the judgement signal S3 of electronegative potential, and see through resistance R 1 and deliver to audio source switch module 14, move with activation control chip U1, allowing source of sound signal S2 deliver to loud speaker 10 through control chip U1 again via inductor L1 amplifies, wherein, the model of control chip U1 is NLASB3157.
In addition, if the user is chosen in when conversing under the earphone hand-free mode, take-up unit 16 is in extended state, and hook switch SW1 then is in closure state (ON).At this moment, high potential signal source VBAT provides the judgement signal S3 of high potential, and deliver to audio source switch module 14, move with activation control chip U2, allow source of sound signal S2 see through control chip U2 again and deliver to earphone 12 via inductor L2, and conceal close conversation, wherein, the model of control chip U2 is NLASB3157.
In sum, Portable Bluetooth sound reproducing apparatus 1 of the present utility model provides two kinds of call modes of amplify hand-free and earphone hand-free, and the user that is improved wears the bluetooth earphone ear's pain that causes of getting off, the shortcoming of tool sticky feeling for a long time.Simultaneously also having improved bluetooth earphone only can provide a people to answer conversation, and the shortcoming that can't allow the 3rd people or many people participate in conversing.Therefore, the utility model for people on the living conditions or the speech quality in the work and conversation need to form greatest help with convenient.
Simultaneously, because many people converse and allow privacy exposure easily, and the converse earphone of confidentiality of tool is integrated in the Portable Bluetooth sound reproducing apparatus 1 of the present utility model, more can promotes calling quality, increase the confidentiality of conversation, allow the user select suitable call mode according to dialog context.
The above, only be the specific embodiment of the utility model the best, but feature of the present utility model is not limited thereto, anyly is familiar with this skill person in field of the present utility model, can think easily and variation or modification, all can be encompassed in claim of the present utility model.
Claims (9)
1. a Portable Bluetooth sound reproducing apparatus is characterized in that, can carry out wireless telecommunications with a bluetooth communication device, comprising:
One bluetooth module with Radio Transmission Technology, is obtained a wireless signal from this bluetooth communication device, and exports a source of sound signal;
One audio source switch module is connected in this bluetooth module, receives this source of sound signal;
One loud speaker is connected in this audio source switch module;
One take-up unit, having one can be for the order wire, a wire casing, a winding roll and the volute spring that stretch or furl, and this winding roll and this volute spring are hubbed at this wire casing, and this order wire is wound in this winding roll;
One earphone is connected in the other end of this order wire; And
One judging unit, it has a hook switch, one end of this hook switch connects a high potential signal source, the other end is connected to an electronegative potential signal source and this audio source switch module, this hook switch is according to the stretching of this order wire or furl and carry out switch and switch, and then provides one of high potential or electronegative potential to judge that signal is to this audio source switch module.
2. Portable Bluetooth sound reproducing apparatus as claimed in claim 1 is characterized in that: further comprise a function key unit, this function key unit is connected in this bluetooth module, provides a control command to this bluetooth module.
3. Portable Bluetooth sound reproducing apparatus as claimed in claim 2 is characterized in that: this control command is in order to control the volume of this loud speaker and this earphone.
4. Portable Bluetooth sound reproducing apparatus as claimed in claim 1 is characterized in that: further comprise a microphone, this microphone is connected in this bluetooth module.
5. Portable Bluetooth sound reproducing apparatus as claimed in claim 1 is characterized in that: further be provided with anchor clamps.
6. a Portable Bluetooth sound reproducing apparatus is characterized in that, can carry out wireless telecommunications with a bluetooth communication device, comprising:
One body that amplifies includes:
One bluetooth module with Radio Transmission Technology, is obtained a wireless signal from this bluetooth communication device, and exports a source of sound signal;
One audio source switch module is connected in this bluetooth module, receives this source of sound signal;
One loud speaker is connected in this audio source switch module;
One pivotal block is connected in an end of this body that amplifies, and this pivotal block has a flexible printed wiring board; And
One earphone body is connected in this pivotal block, can relatively rotate to fit in this body that amplifies, and this earphone body includes:
One take-up unit, having one can be for the order wire, a wire casing, a winding roll and the volute spring that stretch or furl, and this winding roll and this volute spring are hubbed at this wire casing, and this order wire is wound in this winding roll;
One judging unit, it has a hook switch, one end of this hook switch connects a high potential signal source, the other end is connected to an electronegative potential signal source and this audio source switch module, this hook switch is according to the stretching of this order wire or furl and carry out switch and switch, and then provides one of high potential or electronegative potential to judge that signal is to this audio source switch module.
7. Portable Bluetooth sound reproducing apparatus as claimed in claim 6 is characterized in that: further comprise a function key unit, this function key unit is connected in this bluetooth module, provides a control command to this bluetooth module.
8. Portable Bluetooth sound reproducing apparatus as claimed in claim 7 is characterized in that: this control command is in order to control the volume of this loud speaker and this earphone body.
9. Portable Bluetooth sound reproducing apparatus as claimed in claim 6 is characterized in that: further comprise a microphone, this microphone is connected in this bluetooth module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201541039U CN201042009Y (en) | 2007-05-17 | 2007-05-17 | Portable Bluetooth sound amplification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201541039U CN201042009Y (en) | 2007-05-17 | 2007-05-17 | Portable Bluetooth sound amplification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201042009Y true CN201042009Y (en) | 2008-03-26 |
Family
ID=39253720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201541039U Expired - Fee Related CN201042009Y (en) | 2007-05-17 | 2007-05-17 | Portable Bluetooth sound amplification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201042009Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008141526A1 (en) * | 2007-05-21 | 2008-11-27 | Pi-Fen Lin | Wireless network telephone equipment with a hand-free earpiece |
| CN108124214A (en) * | 2013-11-12 | 2018-06-05 | 南安市鑫灿品牌运营有限公司 | A kind of bluetooth headset and combinations thereof |
| CN110944278A (en) * | 2019-12-04 | 2020-03-31 | 长沙世邦通信技术有限公司 | A loudspeaker |
-
2007
- 2007-05-17 CN CNU2007201541039U patent/CN201042009Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008141526A1 (en) * | 2007-05-21 | 2008-11-27 | Pi-Fen Lin | Wireless network telephone equipment with a hand-free earpiece |
| CN108124214A (en) * | 2013-11-12 | 2018-06-05 | 南安市鑫灿品牌运营有限公司 | A kind of bluetooth headset and combinations thereof |
| CN110944278A (en) * | 2019-12-04 | 2020-03-31 | 长沙世邦通信技术有限公司 | A loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XINHECHANG SCIENCE + TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LIN BIFEN Effective date: 20110107 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: TAIPEI CITY, TAIWAN PROVINCE, CHINA TO: APIA, SAMOA |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110107 Address after: Apia, Samoa Patentee after: Xinhechang Technology Co., Ltd. Address before: Taipei City, Taiwan, China Patentee before: Lin Bifen |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080326 Termination date: 20140517 |