CN1332290C - Electronic system and mobile communicating apparatus thereof - Google Patents
Electronic system and mobile communicating apparatus thereof Download PDFInfo
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- CN1332290C CN1332290C CNB2004100324596A CN200410032459A CN1332290C CN 1332290 C CN1332290 C CN 1332290C CN B2004100324596 A CNB2004100324596 A CN B2004100324596A CN 200410032459 A CN200410032459 A CN 200410032459A CN 1332290 C CN1332290 C CN 1332290C
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- alarm
- tie point
- treating apparatus
- mobile communications
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- 238000010295 mobile communication Methods 0.000 claims abstract description 29
- 230000004913 activation Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The present invention relates to an electronic system and a mobile communication device which is connected with external devices by a single connecting point. The varieties of the external devices can be judged according to the electrical property parameter of the external devices in order to provide corresponding functions for the external devices.
Description
[technical field]
Present invention is directed to a kind of electronic system, particularly relevant for a kind of electronic system that can detect the external device (ED) kind that is connected on the identical tie point automatically.
[background technology]
General electronic system, for example: mobile communications device or palm type electronic system in order to connect with different external device (ED), according to the external device (ED) of different kinds, provide different tie points usually.With the mobile communications device is example, and shown in Figure 1A, mobile communications device 100 has Handless socket 102, data transmission socket 104 and charging socket 106.Handless socket 102 is in order to inserting the Handless 110 have microphone and earphone as shown in Figure 1B, just the user need not to hold mobile communications device 100 with hand and can converse with other people thus, and both hands can also lightheartedly be engaged in other activity.
On the other hand, also the mobile data device 120 as shown in Fig. 1 C can be connected on the data transmission socket 104, thus, the user just can be by mobile communications device 100 and computer (not shown) or the interconnection of other information devices, via the mobile network link and can browse world wide web with computer, network function such as send and receive e-mail.Or the charging device 130 as shown in Fig. 1 D is connected on the charging socket 106, in order to mobile communications device 100 is charged.
Though traditional mobile communications device 100 can utilize Handless socket 102, data transmission socket 104 or charging socket 106 that additional function is provided, but Handless socket 102, data transmission socket 104 or charging socket 106 have occupied the suitable space of mobile communications device 100, and have destroyed the aesthetic feeling of overall appearance.
Along with the progress of science and technology, the function of electronic system is more and more many, therefore, also needs more tie point, can be connected with different types of external device (ED).When the quantity of tie point increases, will cause the increase of electronic system cost, and reduce the available space of electronic system.
[summary of the invention]
In view of this, purpose of the present invention is by the different external device (ED) of single tie point connection, to reduce the cost and the volume of mobile communications device in order to reduce the socket number.
For achieving the above object, the invention provides a kind of electronic system, comprising: a tie point, a pick-up unit and a treating apparatus.Electronic system connects an external device (ED) by tie point.Pick-up unit couples tie point, in order to detect the electrical parameter of external device (ED).Then by treating apparatus according to electrical parameter, judge the kind of external device (ED), give external device (ED) in order to corresponding function to be provided.
The present invention provides a kind of mobile communications device in addition, comprising: a tie point, a pick-up unit and a treating apparatus.Tie point is in order to connect an external device (ED).Pick-up unit couples tie point, in order to the impedance of the connecting line that detects external device (ED), and exports an electrical parameter.Treating apparatus is judged the type of this connecting line according to electrical parameter, gives external device (ED) in order to corresponding function to be provided.
[description of drawings]
For above-mentioned and other purposes of the present invention, feature and advantage can be become apparent, cited below particularlyly go out preferred embodiment, and cooperate appended graphicly, be described in detail below:
Figure 1A shows known mobile communications device synoptic diagram.
Figure 1B shows the Handless synoptic diagram.
Fig. 1 C shows mobile data device synoptic diagram.
Fig. 1 D shows the charging device synoptic diagram.
Fig. 2 shows mobile communications device of the present invention.
Fig. 3 A shows the synoptic diagram of Handless.
Fig. 3 B shows the isoboles of Handless.
Fig. 4 A shows the mobile data schematic representation of apparatus.
Fig. 4 B shows the isoboles of mobile data device.
Fig. 5 A shows the synoptic diagram of charging device.
Fig. 5 B shows the isoboles of charging device.
Fig. 6 shows the calcspar that is connected of electronic system of the present invention and external device (ED).
Fig. 7 shows that of the present invention one may embodiment.
Fig. 8 A shows the synoptic diagram of alarm.
Fig. 8 B shows the isoboles of alarm.
[embodiment]
Feature of the present invention is, on electronic system, only utilizes a tie point to be connected with different types of external device (ED), according to the electrical parameter of external device (ED), judges the kind of the external device (ED) that is connected with electronic system.In addition, tie point and external device (ED) ways of connecting can be divided into plug-in type and contact.The tie point of contact as long as mobile phone is placed cradle, just can reach the function of charging just as the seat of mobile phone fills.For convenience of description, will be example below with the mobile communications device swan socket of arranging in pairs or groups, be illustrated.
Fig. 2 shows mobile communications device of the present invention.As shown in the figure, mobile communications device 200 only has a socket 202 in appearance, therefore, is collocation socket 202, and all couple the plug of connecting line of the external device (ED) of mobile communications device 200 must be consistent, is the use headset plug at this.
Below introduce external device (ED) synoptic diagram with headset plug.
Fig. 3 A shows the synoptic diagram of handfree receiver unit.As shown in the figure, handfree receiver unit 220 comprises: a headset plug 222, a connecting line 224 and a main unit 226.Wherein, main unit 226 comprises: a microphone 227 and an earphone 229.Fig. 3 B shows the isoboles of Handless.As shown in the figure, first end of headset plug 222 system is coupled to ground GND, second end in order to receive earphone signal EAR, the 3rd end in order to transmit microphone signal MIC.Impedance R
EarIt is the equiva lent impedance of connecting line 224.
Fig. 4 A shows the mobile data schematic representation of apparatus.As shown in the figure, mobile data device 230 comprises: a headset plug 222, a connecting line 234 and a main unit 236.Wherein, main unit 236 can be RS232 interface or USB interface; In the present embodiment, main unit 236 is the RS232 interface.Fig. 4 B shows the isoboles of mobile data device.As shown in the figure, first end of socket 232 system is coupled to ground GND, second end gives main unit 236, the 3rd end in order to export the data RxD of main unit 236 in order to receive data TxD.And impedance R
DataIt is the equiva lent impedance of connecting line 234.
Fig. 5 A shows the synoptic diagram of charging device.As shown in the figure, charging device 240 comprises: a headset plug 222, a connecting line 244 and a main unit 246.Fig. 5 B shows the isoboles of charging device.First end system of headset plug 222 is coupled to ground GND, second end does not use NULL in order to out-put supply signal DC_IN, the 3rd end.And impedance R
ChaIt is the equiva lent impedance of connecting line 244.
From the above, each external device (ED) all has connecting line and main unit, therefore, as long as detect the connecting line or the electrical parameter of main unit, for example: impedance, voltage or electric current, just can learn the kind of external device (ED).In the present embodiment, utilize the otherness of connecting line impedance, judge the kind of external device (ED).
Fig. 6 shows the calcspar that electronic system of the present invention is connected with external device (ED).As shown in the figure, electronic system 300 comprises: tie point 302, pick-up unit 304 and treating apparatus 306.Tie point 302 is a swan socket.When tie point 302 connected external device (ED) 400, tie point 302 outputs one notification signal GPIO gave treating apparatus 306.Then pick-up unit 304 detects the electrical parameter ADC_IN of external device (ED) 400, and exports treating apparatus 306 to.Treating apparatus 306 is according to the kind of electrical parameter ADC_IN judgement external device (ED) 400, in order to corresponding signal S to be provided
INAnd S
OUTGive external device (ED) 400.
External device (ED) 400 comprises: connecting line 402, main unit 404 and headset plug 222.Connecting line 402 is coupled between main unit 404 and the headset plug 222.Connecting line 402 has different impedances with main unit 404, therefore, can utilize the impedance of connecting line 402 or main unit 404, obtains different electrical parameter AD_IN.
Fig. 7 shows that of the present invention one may embodiment.Suppose that after the headset plug 222 of handfree receiver unit 220 as shown in Figure 3A inserted the socket 202 of mobile communications device 200, socket 202 output notice signal GPIO gave treating apparatus 306.Pick-up unit 304 detects the impedance of connecting line 224, and output electric property parameter A DC_IN.Wherein, behind treating apparatus 306 reception notification signal GPIO, treating apparatus 306 is judged the type of connecting line 224 according to electrical parameter ADC_IN.
In the present embodiment, pick-up unit 304 is a resistor R 1, and with the equiva lent impedance R of connecting line 224
EarSeries connection is in order to detect equivalent resistance R
EarOn partial pressure value.Equiva lent impedance R
EarOn partial pressure value be electrical parameter ADC_IN.In addition, also can pass through different pick-up units, detect the kind of external device (ED), for example: by current sensing means, detect the electric current that flows into external device (ED), again by treating apparatus according to current status, judge the type of external device (ED).
The resistance of supposing resistor R 1 is 100K Ω; The equiva lent impedance R of connecting line 224
EarBe about 39K Ω, then electrical parameter ADC_IN is 0.73V～0.84V.Therefore, treating apparatus 306 starts ear-phone function, and in order to the microphone signal MIC of reception microphone 227, and output earphone signal EAR gives the earphone 229 of Handless.
When the headset plug 222 of the mobile data device 230 shown in Fig. 4 A inserts the socket 202 of mobile communications device 200, suppose the equiva lent impedance R of connecting line 234
DataBe about 100K Ω, then electrical parameter ADC_IN is about 1.33V～1.47V.Treating apparatus 306 log-on data transfer functions, in order to reception data RxD, and output data TxD.
When the headset plug 222 of the charging device shown in Fig. 5 A 240 inserts the socket 202 of mobile communications device 200, suppose the equiva lent impedance R of connecting line 244
ChaBe about 0 Ω, then electrical parameter ADC_IN is 0V.Treating apparatus 306 just starts charge function, receives power supply signal DC_IN.
In addition, mobile communications device of the present invention has antitheft function, and the alarm 250 shown in Fig. 8 A is inserted mobile communications device.Fig. 8 A shows the synoptic diagram of alarm.As shown in the figure, alarm 250 comprises: a headset plug 222, a connecting line 254 and an agent set 256.Wherein, agent set 256 can be a clasp in order to be connected (as handbag) with user's belongings.Fig. 8 B shows the isoboles of alarm.As shown in the figure, impedance R
SecIt is the equiva lent impedance of connecting line 254.
When alarm 250 inserted mobile communications device 200, pick-up unit 304 detected the impedance of alarm 250, and sends an electrical parameter and give treating apparatus 306.In the present embodiment, pick-up unit 304 is the impedance R that detects connecting line 254
SecElectrical parameter when treating apparatus 306 inserts according to alarm, activation one anti-theft feature, in order to the couple situation of monitoring anti-theft device 250 with socket 202, when separating with socket 202 as if alarm 250, treating apparatus 306 output drive signal TONE reach
Give loudspeaker 308, in order to send anti-theft warning.
In addition, in order to keep the effect of present embodiment, therefore, in Fig. 7, add many protecting components, as resistance, electric capacity, transistor ... or the like.These elements only are in order to improve the efficient of present embodiment, therefore, no longer to be illustrated.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; anyly be familiar with the person skilled in art; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion as the scope person of defining according to claims.
Claims (4)
1. a mobile communications device has anti-theft feature, comprising:
One first tie point is in order to connect an alarm;
One pick-up unit couples this first tie point, in order to detect the electrical parameter of this alarm;
One treating apparatus according to this electrical parameter, is judged the type of this alarm, gives this alarm in order to corresponding function to be provided; And
One alarm has one second tie point in order to connect this first tie point;
Wherein, when this alarm was learnt in this treating apparatus detection, this treating apparatus is activation one anti-theft feature then, in order to monitor the situation that couples of this alarm and this first tie point, if when this alarm separated with this first tie point, this treating apparatus promptly drove this mobile communications device and sends anti-theft warning.
2. mobile communications device according to claim 1 is characterized in that, this pick-up unit is a resistor, constitutes a bleeder circuit with the impedance of this alarm, and this electrical parameter is the dividing point voltage in this bleeder circuit.
3. mobile communications device according to claim 1, it is characterized in that finish when being connected when this alarm and this first tie point, this first tie point is exported a notification signal and given this treating apparatus, make this treating apparatus according to this electrical parameter, judge the type of this alarm.
4. mobile communications device according to claim 3 is characterized in that, this treating apparatus receives or export corresponding signal according to the corresponding function that is provided and pass through this first tie point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100324596A CN1332290C (en) | 2004-04-09 | 2004-04-09 | Electronic system and mobile communicating apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100324596A CN1332290C (en) | 2004-04-09 | 2004-04-09 | Electronic system and mobile communicating apparatus thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1680902A CN1680902A (en) | 2005-10-12 |
| CN1332290C true CN1332290C (en) | 2007-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100324596A Expired - Lifetime CN1332290C (en) | 2004-04-09 | 2004-04-09 | Electronic system and mobile communicating apparatus thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1332290C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977082B (en) | 2010-10-28 | 2015-04-29 | 长芯盛（武汉）科技有限公司 | Optical receiving and transmitting module, optical transmitting device and optical transmitting method |
| KR102411195B1 (en) * | 2017-08-25 | 2022-06-21 | 삼성전자주식회사 | Method and apparatus for changing impedance of terminal included in connector |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6452402B1 (en) * | 1998-12-01 | 2002-09-17 | Nokia Mobile Phones Limited | Apparatus for determining the type of external device being connected |
-
2004
- 2004-04-09 CN CNB2004100324596A patent/CN1332290C/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6452402B1 (en) * | 1998-12-01 | 2002-09-17 | Nokia Mobile Phones Limited | Apparatus for determining the type of external device being connected |
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| CN1680902A (en) | 2005-10-12 |
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Granted publication date: 20070815 |