CN104052875A - Mobile phone loss alarming method - Google Patents
Mobile phone loss alarming method Download PDFInfo
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- CN104052875A CN104052875A CN201410269096.1A CN201410269096A CN104052875A CN 104052875 A CN104052875 A CN 104052875A CN 201410269096 A CN201410269096 A CN 201410269096A CN 104052875 A CN104052875 A CN 104052875A
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- bluetooth earphone
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Abstract
The invention discloses a mobile phone loss alarming method, and belongs to the technical field of Bluetooth headsets. According to the mobile phone loss alarming method, a distance measurement alarming function is added to a Bluetooth headset, and the Bluetooth headset sends an alarming signal when the distance between a mobile phone and the Bluetooth headset is larger than a set value. The mobile phone loss alarming method comprises the following steps that Bluetooth communication control chips are arranged inside the Bluetooth headset and the mobile phone respectively; the distance between the mobile phone and the Bluetooth headset is judged according to the radio-frequency power value of the Bluetooth communication control chips; the maximum value of the distance between the mobile phone and the Bluetooth headset is set, and the critical value of the radio-frequency power value is worked out according to the maximum value of the distance between the mobile phone and the Bluetooth headset; when the radio-frequency power value is smaller than the critical value, the Bluetooth communication control chips control a loudspeaker of the Bluetooth headset to output a prompting and alarming sound. According to the mobile phone loss alarming method, the Bluetooth headset will send the alarming signal to remind a user in time when the distance between the mobile phone and the Bluetooth headset exceeds a certain range, so that the mobile phone is prevented from being lost or left.
Description
Technical field
The present invention relates to a kind of bluetooth earphone technical field, specifically a kind of method that realizes mobile phone loss alarm.
Background technology
Bluetooth (Bluetooth), is a kind of wireless personal local area network (Wireless PAN), is a kind of open wireless communication standard of tip, can wireless connections in short-range." bluetooth " technology of utilization, can simplify the communication between mobile communication terminal device effectively.Blue tooth wireless technology has used the frequency band (2.4GHz) of global general-use, goes everywhere without any hindrance here guaranteeing all over the world.In brief, Bluetooth technology allows can wirelessly be linked up between various digital equipments, allows the various lines that are scattered become history.Bluetooth protocol stack can be divided four layers according to its function: core protocol layer (HCI, LMP, L2CAP, SDP), cable are replaced protocol layer (RFCOMM), phone control protocol layer (TCS-BIN), selected protocol layer (PPP, TCP, IP, UDP, OBEX, IrMC, WAP, WAE).Because Bluetooth technology can replace wired cable of equipment room, the therefore networking of equipment room simple and fast more, applicable situation is also wider, can reduce product power consumption simultaneously.Had just these advantages, Bluetooth technology can be continued to optimize and improve, and performance is also in continuous lifting.
Bluetooth earphone is a kind of a kind of mini-plant based on Bluetooth technology, supplements as one of bluetooth mobile communication terminal equipment, can effectively solve while answering the call, is inconvenient to carry out the trouble of other action.When use, only this light and handy equipment need to be ensconced to ear limit and do not needed directly to use mobile phone just can realize free call.Bluetooth earphone is applied in Bluetooth technology in hands-free headsets exactly, allows user can exempt impeding of angry electric wire, comfortablely easily call in every way.Bluetooth earphone is mainly used in consumer electronics product at present, has become the necessary functions of mobile phone, panel computer and notebook computer.
Mobile phone, panel computer and notebook computer go out the problem of active often, if there is warning reminding will avoid a lot of losses in loss process.
Summary of the invention
Technical assignment of the present invention is to provide a kind of distance between mobile phone and bluetooth earphone and has exceeded after certain limit, and bluetooth earphone can send alarm signal reminding user in time, a kind of method that realizes mobile phone loss alarm of avoiding the loss of mobile phone or forgeing.
Technical assignment of the present invention is realized in the following manner, a kind of method that realizes mobile phone loss alarm, and bluetooth earphone increases range finding warning function, and the distance between mobile phone and bluetooth earphone has exceeded after set point, and bluetooth earphone sends alarm signal; Specifically comprise the steps:
(1), in bluetooth earphone and mobile phone, be provided with Bluetooth communication control chip;
(2), utilize the radio-frequency power value (English be called for short RSSI, English full name Received Signal Strength Indication) of Bluetooth communication control chip, judge the distance between mobile phone and bluetooth earphone;
(3), the computing formula of the distance between radio-frequency power value and mobile phone and bluetooth earphone is: when 1 meter far away of radio-frequency power value=signal transmission, receive the distance between power-10* propagation factor constant * lg mobile phone and the bluetooth earphone of signal;
(4), set the maximum of the distance between mobile phone and bluetooth earphone, go out the critical value of radio frequency performance number according to the maximum value calculation of the distance between mobile phone and bluetooth earphone;
(5), after radio-frequency power value is lower than critical value, prompting alarm sound of the loudspeaker of Bluetooth communication control chip control bluetooth earphone output.
Bluetooth earphone internal structure comprises Bluetooth communication control chip, operation push-button, indicator light, lithium battery, Power Management Unit, crystal oscillator, memory, audio process, audio frequency amplifier, Mike, loudspeaker, filter and radio-frequency antenna;
Bluetooth communication control chip connection control operation button, indicator light, Power Management Unit, crystal oscillator, memory, audio process, audio frequency amplifier, filter, lithium battery connects Power Management Unit, Mike connects audio process, audio frequency amplifier connects loudspeaker, and filter connects radio-frequency antenna;
Power Management Unit is responsible for charging control and the remaining power signal collection of lithium battery, and crystal oscillator provides a stable clock signal for Bluetooth communication control chip, and memory comprises deposits the ROM memory of firmware and the RAM memory of operating instruction;
Bluetooth communication control chip comprises microprocessor, audio codec and bluetooth protocol repertory, and the event of mobile phone controlled and respond by microprocessor to mobile phone by firmware in execution ROM memory; Bluetooth protocol repertory is the realization of Bluetooth specification, resolves and encapsulate the transceiving data bag on Bluetooth control link or voice frequency link; Audio codec is responsible for the Code And Decode of audio frequency input/output signal;
Filter and radio-frequency antenna have completed the data transmit-receive function of bluetooth protocol repertory physical layer jointly.
Operation push-button comprises key, closing key, volume add-subtract control key.
Indicator light comprises power supply indicator and status indicator lamp.
Bluetooth protocol repertory provides an interface function to call and returns to radio-frequency power value to Bluetooth communication control chip.
The corresponding table of the distance in RAM memory between storage radio-frequency power value and mobile phone and bluetooth earphone, this correspondence table is by experiment and calculate and obtain; If according to corresponding relation in radio-frequency power value and table, show that the distance value between mobile phone and bluetooth earphone exceeds after set point, prompting alarm sound of loudspeaker output of Bluetooth communication control chip control bluetooth earphone.
A kind of method that realizes mobile phone loss alarm of the present invention has the following advantages: the distance between mobile phone and bluetooth earphone has exceeded after certain limit, and bluetooth earphone can send alarm signal reminding user in time, avoids the loss of mobile phone or forgets; Thereby, have good value for applications.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention is further described.
The structured flowchart of the bluetooth earphone that accompanying drawing 1 is a kind of method that realizes mobile phone loss alarm.
Embodiment
With reference to Figure of description and specific embodiment, a kind of method that realizes mobile phone loss alarm of the present invention is described in detail below.
Embodiment 1:
A kind of method that realizes mobile phone loss alarm of the present invention, bluetooth earphone increases range finding warning function, and the distance between mobile phone and bluetooth earphone has exceeded after set point, and bluetooth earphone sends alarm signal; Specifically comprise the steps:
(1), in bluetooth earphone and mobile phone, be provided with Bluetooth communication control chip;
(2), utilize the radio-frequency power value (English be called for short RSSI, English full name Received Signal Strength Indication) of Bluetooth communication control chip, judge the distance between mobile phone and bluetooth earphone;
(3), the computing formula of the distance between radio-frequency power value and mobile phone and bluetooth earphone is: when 1 meter far away of radio-frequency power value=signal transmission, receive the distance between power-10* propagation factor constant * lg mobile phone and the bluetooth earphone of signal;
(4), set the maximum of the distance between mobile phone and bluetooth earphone, go out the critical value of radio frequency performance number according to the maximum value calculation of the distance between mobile phone and bluetooth earphone;
(5), after radio-frequency power value is lower than critical value, prompting alarm sound of the loudspeaker of Bluetooth communication control chip control bluetooth earphone output.
Bluetooth earphone internal structure comprises Bluetooth communication control chip, operation push-button, indicator light, lithium battery, Power Management Unit, crystal oscillator, memory, audio process, audio frequency amplifier, Mike, loudspeaker, filter and radio-frequency antenna;
Bluetooth communication control chip connection control operation button, indicator light, Power Management Unit, crystal oscillator, memory, audio process, audio frequency amplifier, filter, lithium battery connects Power Management Unit, Mike connects audio process, audio frequency amplifier connects loudspeaker, and filter connects radio-frequency antenna;
Power Management Unit is responsible for charging control and the remaining power signal collection of lithium battery, and crystal oscillator provides a stable clock signal for Bluetooth communication control chip, and memory comprises deposits the ROM memory of firmware and the RAM memory of operating instruction;
Bluetooth communication control chip comprises microprocessor, audio codec and bluetooth protocol repertory, and the event of mobile phone controlled and respond by microprocessor to mobile phone by firmware in execution ROM memory; Bluetooth protocol repertory is the realization of Bluetooth specification, resolves and encapsulate the transceiving data bag on Bluetooth control link or voice frequency link; Audio codec is responsible for the Code And Decode of audio frequency input/output signal;
Filter and radio-frequency antenna have completed the data transmit-receive function of bluetooth protocol repertory physical layer jointly.
Embodiment 2:
A kind of method that realizes mobile phone loss alarm of the present invention, bluetooth earphone increases range finding warning function, and the distance between mobile phone and bluetooth earphone has exceeded after set point, and bluetooth earphone sends alarm signal; Specifically comprise the steps:
(1), in bluetooth earphone and mobile phone, be provided with Bluetooth communication control chip;
(2), utilize the radio-frequency power value (English be called for short RSSI, English full name Received Signal Strength Indication) of Bluetooth communication control chip, judge the distance between mobile phone and bluetooth earphone;
(3), the computing formula of the distance between radio-frequency power value and mobile phone and bluetooth earphone is: when 1 meter far away of radio-frequency power value=signal transmission, receive the distance between power-10* propagation factor constant * lg mobile phone and the bluetooth earphone of signal;
(4), set the maximum of the distance between mobile phone and bluetooth earphone, go out the critical value of radio frequency performance number according to the maximum value calculation of the distance between mobile phone and bluetooth earphone;
(5), after radio-frequency power value is lower than critical value, prompting alarm sound of the loudspeaker of Bluetooth communication control chip control bluetooth earphone output.
Bluetooth earphone internal structure comprises Bluetooth communication control chip, operation push-button, indicator light, lithium battery, Power Management Unit, crystal oscillator, memory, audio process, audio frequency amplifier, Mike, loudspeaker, filter and radio-frequency antenna;
Bluetooth communication control chip connection control operation button, indicator light, Power Management Unit, crystal oscillator, memory, audio process, audio frequency amplifier, filter, lithium battery connects Power Management Unit, Mike connects audio process, audio frequency amplifier connects loudspeaker, and filter connects radio-frequency antenna;
Power Management Unit is responsible for charging control and the remaining power signal collection of lithium battery, and crystal oscillator provides a stable clock signal for Bluetooth communication control chip, and memory comprises deposits the ROM memory of firmware and the RAM memory of operating instruction;
Bluetooth communication control chip comprises microprocessor, audio codec and bluetooth protocol repertory, and the event of mobile phone controlled and respond by microprocessor to mobile phone by firmware in execution ROM memory; Bluetooth protocol repertory is the realization of Bluetooth specification, resolves and encapsulate the transceiving data bag on Bluetooth control link or voice frequency link; Audio codec is responsible for the Code And Decode of audio frequency input/output signal;
Filter and radio-frequency antenna have completed the data transmit-receive function of bluetooth protocol repertory physical layer jointly.
Operation push-button comprises key, closing key, volume add-subtract control key.
Indicator light comprises power supply indicator and status indicator lamp.
Bluetooth protocol repertory provides an interface function to call and returns to radio-frequency power value to Bluetooth communication control chip.
Embodiment 3:
A kind of method that realizes mobile phone loss alarm of the present invention, bluetooth earphone increases range finding warning function, and the distance between mobile phone and bluetooth earphone has exceeded after set point, and bluetooth earphone sends alarm signal; Specifically comprise the steps:
(1), in bluetooth earphone and mobile phone, be provided with Bluetooth communication control chip;
(2), utilize the radio-frequency power value (English be called for short RSSI, English full name Received Signal Strength Indication) of Bluetooth communication control chip, judge the distance between mobile phone and bluetooth earphone;
(3), the computing formula of the distance between radio-frequency power value and mobile phone and bluetooth earphone is: when 1 meter far away of radio-frequency power value=signal transmission, receive the distance between power-10* propagation factor constant * lg mobile phone and the bluetooth earphone of signal;
(4), set the maximum of the distance between mobile phone and bluetooth earphone, go out the critical value of radio frequency performance number according to the maximum value calculation of the distance between mobile phone and bluetooth earphone;
(5), after radio-frequency power value is lower than critical value, prompting alarm sound of the loudspeaker of Bluetooth communication control chip control bluetooth earphone output.
Bluetooth earphone internal structure comprises Bluetooth communication control chip, operation push-button, indicator light, lithium battery, Power Management Unit, crystal oscillator, memory, audio process, audio frequency amplifier, Mike, loudspeaker, filter and radio-frequency antenna;
Bluetooth communication control chip connection control operation button, indicator light, Power Management Unit, crystal oscillator, memory, audio process, audio frequency amplifier, filter, lithium battery connects Power Management Unit, Mike connects audio process, audio frequency amplifier connects loudspeaker, and filter connects radio-frequency antenna;
Power Management Unit is responsible for charging control and the remaining power signal collection of lithium battery, and crystal oscillator provides a stable clock signal for Bluetooth communication control chip, and memory comprises deposits the ROM memory of firmware and the RAM memory of operating instruction;
Bluetooth communication control chip comprises microprocessor, audio codec and bluetooth protocol repertory, and the event of mobile phone controlled and respond by microprocessor to mobile phone by firmware in execution ROM memory; Bluetooth protocol repertory is the realization of Bluetooth specification, resolves and encapsulate the transceiving data bag on Bluetooth control link or voice frequency link; Audio codec is responsible for the Code And Decode of audio frequency input/output signal;
Filter and radio-frequency antenna have completed the data transmit-receive function of bluetooth protocol repertory physical layer jointly.
Operation push-button comprises key, closing key, volume add-subtract control key.
Indicator light comprises power supply indicator and status indicator lamp.
The corresponding table of the distance in RAM memory between storage radio-frequency power value and mobile phone and bluetooth earphone, this correspondence table is by experiment and calculate and obtain; If according to corresponding relation in radio-frequency power value and table, show that the distance value between mobile phone and bluetooth earphone exceeds after set point, prompting alarm sound of loudspeaker output of Bluetooth communication control chip control bluetooth earphone.
Above-mentioned embodiment is only concrete case of the present invention; scope of patent protection of the present invention includes but not limited to above-mentioned embodiment; suitable variation or replacement that person of an ordinary skill in the technical field claims of any a kind of method that realizes mobile phone loss alarm according to the invention and any does it, all should fall into scope of patent protection of the present invention.
Claims (6)
1. realize a method for mobile phone loss alarm, it is characterized in that bluetooth earphone increases range finding warning function, the distance between mobile phone and bluetooth earphone has exceeded after set point, and bluetooth earphone sends alarm signal; Specifically comprise the steps:
(1), in bluetooth earphone and mobile phone, be provided with Bluetooth communication control chip;
(2), utilize the radio-frequency power value of Bluetooth communication control chip, judge the distance between mobile phone and bluetooth earphone;
(3), the computing formula of the distance between radio-frequency power value and mobile phone and bluetooth earphone is: when 1 meter far away of radio-frequency power value=signal transmission, receive the distance between power-10* propagation factor constant * lg mobile phone and the bluetooth earphone of signal;
(4), set the maximum of the distance between mobile phone and bluetooth earphone, go out the critical value of radio frequency performance number according to the maximum value calculation of the distance between mobile phone and bluetooth earphone;
(5), after radio-frequency power value is lower than critical value, prompting alarm sound of the loudspeaker of Bluetooth communication control chip control bluetooth earphone output.
2. a kind of method that realizes mobile phone loss alarm according to claim 1, is characterized in that bluetooth earphone internal structure comprises Bluetooth communication control chip, operation push-button, indicator light, lithium battery, Power Management Unit, crystal oscillator, memory, audio process, audio frequency amplifier, Mike, loudspeaker, filter and radio-frequency antenna;
Bluetooth communication control chip connection control operation button, indicator light, Power Management Unit, crystal oscillator, memory, audio process, audio frequency amplifier, filter, lithium battery connects Power Management Unit, Mike connects audio process, audio frequency amplifier connects loudspeaker, and filter connects radio-frequency antenna;
Power Management Unit is responsible for charging control and the remaining power signal collection of lithium battery, and crystal oscillator provides a stable clock signal for Bluetooth communication control chip, and memory comprises deposits the ROM memory of firmware and the RAM memory of operating instruction;
Bluetooth communication control chip comprises microprocessor, audio codec and bluetooth protocol repertory, and the event of mobile phone controlled and respond by microprocessor to mobile phone by firmware in execution ROM memory; Bluetooth protocol repertory is the realization of Bluetooth specification, resolves and encapsulate the transceiving data bag on Bluetooth control link or voice frequency link; Audio codec is responsible for the Code And Decode of audio frequency input/output signal;
Filter and radio-frequency antenna have completed the data transmit-receive function of bluetooth protocol repertory physical layer jointly.
3. a kind of method that realizes mobile phone loss alarm according to claim 2, is characterized in that operation push-button comprises key, closing key, volume add-subtract control key.
4. a kind of method that realizes mobile phone loss alarm according to claim 2, is characterized in that indicator light comprises power supply indicator and status indicator lamp.
5. a kind of method that realizes mobile phone loss alarm according to claim 2, is characterized in that bluetooth protocol repertory provides an interface function to call and returns to radio-frequency power value to Bluetooth communication control chip.
6. a kind of method that realizes mobile phone loss alarm according to claim 2, is characterized in that the corresponding table of the distance between storage radio-frequency power value and mobile phone and bluetooth earphone in RAM memory, and this correspondence table by experiment and calculate and obtain; If according to corresponding relation in radio-frequency power value and table, show that the distance value between mobile phone and bluetooth earphone exceeds after set point, prompting alarm sound of loudspeaker output of Bluetooth communication control chip control bluetooth earphone.
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| CN201410269096.1A CN104052875A (en) | 2014-06-17 | 2014-06-17 | Mobile phone loss alarming method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410269096.1A CN104052875A (en) | 2014-06-17 | 2014-06-17 | Mobile phone loss alarming method |
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| CN104052875A true CN104052875A (en) | 2014-09-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111093178A (en) * | 2019-11-22 | 2020-05-01 | 恒玄科技(上海)股份有限公司 | Anti-lost device, earphone assembly and wireless communication system |
| CN111277930A (en) * | 2020-03-05 | 2020-06-12 | 展讯通信（上海）有限公司 | Single-ear far detection method of multi-ear Bluetooth headset and Bluetooth headset |
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| CN101237479A (en) * | 2008-02-25 | 2008-08-06 | 青岛海信移动通信技术股份有限公司 | Active miss prevention system and method for handheld device |
| CN202135286U (en) * | 2011-05-26 | 2012-02-01 | 厦门市拙雅科技有限公司 | Bluetooth earphone with alarm function |
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2014
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Patent Citations (4)
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| GB2359175A (en) * | 1999-11-30 | 2001-08-15 | Samsung Electronics Co Ltd | Portable telephone apparatus |
| CN101119424A (en) * | 2007-08-24 | 2008-02-06 | 叶志宝 | Handset anti-theft method implementing through handset blue tooth technique |
| CN101237479A (en) * | 2008-02-25 | 2008-08-06 | 青岛海信移动通信技术股份有限公司 | Active miss prevention system and method for handheld device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111093178A (en) * | 2019-11-22 | 2020-05-01 | 恒玄科技(上海)股份有限公司 | Anti-lost device, earphone assembly and wireless communication system |
| CN111093178B (en) * | 2019-11-22 | 2023-03-21 | 恒玄科技(上海)股份有限公司 | Anti-lost device, earphone assembly and wireless communication system |
| CN111277930A (en) * | 2020-03-05 | 2020-06-12 | 展讯通信（上海）有限公司 | Single-ear far detection method of multi-ear Bluetooth headset and Bluetooth headset |
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Application publication date: 20140917 |