CN102377848A - Mobile terminal and contactless type keystroke method thereof - Google Patents
Mobile terminal and contactless type keystroke method thereof Download PDFInfo
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- CN102377848A CN102377848A CN2010102638818A CN201010263881A CN102377848A CN 102377848 A CN102377848 A CN 102377848A CN 2010102638818 A CN2010102638818 A CN 2010102638818A CN 201010263881 A CN201010263881 A CN 201010263881A CN 102377848 A CN102377848 A CN 102377848A
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- light source
- portable terminal
- proximity transducer
- type proximity
- optical profile
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Abstract
The invention discloses a mobile terminal and a contactless type keystroke method thereof. The mobile terminal comprises an optical type proximity sensor, a first light source, a second light source and an MCU (Multipoint Control Unit), wherein the first light source and the second light source are electrically connected with the optical type proximity sensor respectively, the optical type proximity sensor is further electrically connected with the MCU, and the first light source, the second light source and the optical type proximity sensor are arranged on the same outside surface of the mobile terminal. The traditional keystrokes which adopt a pressing mode using physical contact have service life, are easy to damage, and are difficult to repair, in addition, contactless type side keys are lacked in the prior art, thus, the invention innovatively provides the mobile terminal and the keystroke method, the real contact with the fingers is not needed, the condition that keystrokes are damaged due to the times of keystroke does not exist, and further, usage experience with richer novelty is brought for users of the mobile terminal.
Description
Technical field
The present invention relates to a kind of portable terminal and non-contact type keying method thereof, particularly relate to a kind of mobile phone and non-contact type keying method thereof.
Background technology
The side switch that portable terminal of the prior art uses can be divided into combination, the Surface Mountable Side-push Switch (surface mount side switch switch) of three major types: mechanical rollers PC (Flexible Printed Circuit flexible printed circuit board) and metal clips switch.More than the side switch of three kinds of portable terminals all be the pattern that adopts the physics contact to push.The button of the pattern that the contact of this employing physics is pushed has useful life, damages bad, and not easy-maintaining, the touchless side switch of shortage in the prior art in addition.
Summary of the invention
The present invention is in order to overcome the defective that does not have touchless side switch in the prior art, ground-breaking a kind of portable terminal and non-contact type keying method that need not the physics contact is provided.
The present invention solves above-mentioned technical problem through following technical proposals:
A kind of portable terminal, its characteristics are that this portable terminal comprises: an optical profile type proximity transducer, one first light source, a secondary light source and a MCU;
Wherein this first light source and secondary light source are electrically connected with this optical profile type proximity transducer respectively, and this optical profile type proximity transducer also is electrically connected with this MCU;
This first light source, secondary light source and optical profile type proximity transducer are located on the same outer surface of portable terminal.
Preferably, be provided with screen between described first light source and secondary light source and this optical profile type proximity transducer, the light that this screen is used to prevent first light source and secondary light source is at the inner printing opacity of portable terminal.
Preferably, this optical profile type proximity transducer comprises a LED drive, and this first light source and secondary light source are electrically connected with this LED drive respectively.
Preferably, this first light source and secondary light source are infrared LED.
Preferably, this optical profile type proximity transducer comprises a twin wire serial bus interface, and this MCU is electrically connected with the twin wire serial bus interface.
Another technical scheme of the present invention is: a kind of non-contact type keying method of above-mentioned portable terminal, and its characteristics are, may further comprise the steps:
S
101, the optical profile type proximity transducer detects whether first light source of reflection and the light signal of secondary light source are arranged, if testing result is not for, repeating step S then
101
S
102, the optical profile type proximity transducer converts the light signal of detected first light source and secondary light source into the signal of telecommunication in order;
S
103, the optical profile type proximity transducer detects the sequencing of these two signals of telecommunication, and sends corresponding mobile terminal interface response command to MCU;
S
104, MCU control portable terminal carries out this interface of mobile terminal response command.
Preferably, this optical profile type proximity transducer comprises the digital image intensifer of a refusal, at step S
101In, this is refused digital image intensifer and detects whether first light source of reflection and the light signal of secondary light source are arranged.
Preferably, this optical profile type proximity transducer comprises a proximity transducer logic controller, at step S
103In, this proximity transducer logic controller detects the sequencing of the signal of telecommunication, and chooses and send corresponding mobile terminal interface response command.
Preferably, the response command of this interface of mobile terminal is the switching of menu up and down and the page turning up and down of picture, webpage and note.
Preferably, the said switching of menu up and down and the page turning up and down of picture, webpage and note are corresponding to the sequencing of detected first light source and secondary light source emission light.
Positive progressive effect of the present invention is:
The button of the pattern that the contact of Traditional use physics is pushed has useful life; Damage badly, and easy-maintaining not lacks touchless side switch in addition in the prior art; Ground-breaking a kind of portable terminal and the keying method of providing of the present invention; Do not need real finger contact, thereby do not have the situation that causes button to damage because of touch potential, and the experience that more is rich in novelty is provided for mobile terminal user.
Description of drawings
Fig. 1 is the circuit structure block diagram of portable terminal preferred embodiment of the present invention.
Fig. 2 is the sketch map of portable terminal among the embodiment.
Fig. 3 is the luminous sketch map of time-division of first light source and secondary light source among the embodiment.
Fig. 4 is the flow chart of the keying method of portable terminal of the present invention.
Embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to specify technical scheme of the present invention.
Shown in Figure 1 is the circuit structure block diagram of portable terminal preferred embodiment of the present invention, as shown in fig. 1, and this portable terminal comprises an optical profile type proximity transducer 100, one first light source 201, a secondary light source 202 and a MCU (micro-control unit) 300.
Wherein this optical profile type proximity transducer 100 is electrically connected with this first light source 201, secondary light source 202 and MCU respectively; This optical profile type proximity transducer 100 also is connected to power vd D and ground GND in addition, and this power vd D and ground GND provide operating voltage VDD and ground connection for this optical profile type proximity transducer 100.
The position of this optical profile type proximity transducer 100, first light source 201 and the setting of secondary light source 202 on portable terminal 400 is as shown in Figure 2; Wherein first light source 201, optical profile type proximity transducer 100 and secondary light source 202, from top to bottom the surface that is arranged on portable terminal 400 successively.Those skilled in the art can free selective optical formula proximity transducer, the position of the setting of first light source and secondary light source, and is not only the spread pattern in the present embodiment.As long as optical profile type proximity transducer, first light source and secondary light source are in same surface, just can implement and reach technical scheme of the present invention and technique effect.
Wherein, Be provided with screen (not showing among Fig. 2) between this optical profile type proximity transducer 100 and first light source 201 and the secondary light source 202; This screen can effectively prevent first light source 201 and secondary light source 202 at portable terminal 400 iuumintings, thereby has prevented that 100 pairs of printing opacity light of optical profile type proximity transducer from producing erroneous judgement and breaking.
The operation principle of this embodiment is following:
This optical profile type proximity transducer 100 is for well known to a person skilled in the art technology, and wherein this optical profile type proximity transducer 100 is by light signal driving, detection and modular converter 101, data register 102, oscillator 103, time controller 104, form near formula transducer interface 105 and twin wire universal serial bus (I2C) interface 106.Wherein this light signal driving, detection and modular converter 101 are by the digital image intensifer of refusal 1011, linear analog to digital converter 1012, linear-logarithmic transducer 1013, form near formula sensor logic controller 1014, light-emitting diode pulse generator 1016 and LED drive 1015.
At first; MCU300 is through the clock cable and the data signal line at I2C interface 106; Deposit clock signal in data register 102; This data signal controlled oscillator 103 produces clock frequency, and this clock frequency is sent to time controller 104, the internal clocking territory of these time controller 104 control light signal drivings, detection and modular converter 101.
Then, in the clock zone that time controller 104 produces, the light-emitting diode pulse generator 1016 of this optical profile type proximity transducer 100 sends pulse signal to LED drive 1015 according to predefined pulse frequency.This LED drive 1015 drives first light source 201 and secondary light source 202 to carry out timesharing luminous then; As shown in Figure 3; Wherein the length since the luminous time to secondary light source 202 luminous end of first light source 201 is 1ms; And the time interval of twice light signal of same light emitted is 2000ms, wherein those skilled in the art can be as required should the time interval at 10ms to adjustment between the 2000ms.
After this first light source 201 is launched light signal respectively with secondary light source 202; Shown in dotted arrow direction among Fig. 1; If there is this moment object to pass through the top of this first light source 201 and secondary light source 202, then light is reflected onto optical profile type proximity transducer 100, shown in solid arrow direction among Fig. 1.
Refuse digital image intensifer 1011 then and receive this light signal that is reflected, this refuses digital image intensifer 1011 can prevent other improper digital light signals, and this improper digital light can influence chip to initial light signal judgment.The digital image intensifer 1011 of this refusal is converted into the signal of telecommunication with the light signal that receives and is sent to linear analog to digital converter 1012 then.
This analog to digital converter 1012 converts analog electrical signal the digital signal of linear model into, and the digital signal of this linear model is sent to linear-logarithmic transducer 1013.
This linear-logarithmic transducer 1013 is converted into the digital signal of logarithmic mode with the digital signal of linear model, and deposits the digital signal of this logarithmic mode in data register 102.
Read the digital signal of the logarithmic mode that is stored in data register 102 near formula sensor logic controller 1014; And judgement detects the sequencing of the light signal of first light source and secondary light source; And choose corresponding mobile terminal interface response command and interrupt signal, and store this interface of mobile terminal response command and interrupt signal to data register 102 according to this judged result.
Then near the interrupt signal in 105 read data register 102 of formula transducer interface; And be sent to MCU300; This MCU300 produces and interrupts, and read the interface of mobile terminal response command that is stored in data register 102 through I2C interface 106 after receiving interrupt signal; Then, this MCU300 control portable terminal is carried out this interface of mobile terminal response command.
Shown in Figure 4 is the flow chart of the keying method of portable terminal of the present invention, comprising:
As stated, ground-breaking a kind of portable terminal and the keying method of providing of the present invention do not need real finger contact, thereby do not have the situation that causes button to damage because of touch potential, and for the user at terminal the experience that more is rich in novelty be provided.
Though more than described embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited appended claims.Those skilled in the art can make numerous variations or modification to these execution modes under the prerequisite that does not deviate from principle of the present invention and essence, but these changes and modification all fall into protection scope of the present invention.
Claims (10)
1. a portable terminal is characterized in that, this portable terminal comprises: an optical profile type proximity transducer, one first light source, a secondary light source and a MCU;
Wherein this first light source and secondary light source are electrically connected with this optical profile type proximity transducer respectively, and this optical profile type proximity transducer also is electrically connected with this MCU;
This first light source, secondary light source and optical profile type proximity transducer are located on the same outer surface of portable terminal.
2. portable terminal as claimed in claim 1 is characterized in that, is provided with screen between described first light source and secondary light source and this optical profile type proximity transducer, and the light that this screen is used to prevent first light source and secondary light source is at the inner printing opacity of portable terminal.
3. portable terminal as claimed in claim 1 is characterized in that, this optical profile type proximity transducer comprises a LED drive, and this first light source and secondary light source are electrically connected with this LED drive respectively.
4. portable terminal as claimed in claim 1 is characterized in that, this first light source and secondary light source are infrared LED.
5. portable terminal as claimed in claim 1 is characterized in that, this optical profile type proximity transducer comprises a twin wire serial bus interface, and this MCU is electrically connected with the twin wire serial bus interface.
6. the non-contact type keying method of a portable terminal as claimed in claim 1 is characterized in that, may further comprise the steps:
S
101, the optical profile type proximity transducer detects whether first light source of reflection and the light signal of secondary light source are arranged, if testing result is not for, repeating step S then
101
S
102, the optical profile type proximity transducer converts the light signal of detected first light source and secondary light source into the signal of telecommunication in order;
S
103, the optical profile type proximity transducer detects the sequencing of these two signals of telecommunication, and sends corresponding mobile terminal interface response command to MCU;
S
104, MCU control portable terminal carries out this interface of mobile terminal response command.
7. the non-contact type keying method of portable terminal as claimed in claim 6 is characterized in that, this optical profile type proximity transducer comprises the digital image intensifer of a refusal, at step S
101In, this is refused digital image intensifer and detects whether first light source of reflection and the light signal of secondary light source are arranged.
8. the non-contact type keying method of portable terminal as claimed in claim 6 is characterized in that, this optical profile type proximity transducer comprises a proximity transducer logic controller, at step S
103In, this proximity transducer logic controller detects the sequencing of the signal of telecommunication, and chooses and send corresponding mobile terminal interface response command.
9. the non-contact type keying method of portable terminal as claimed in claim 6 is characterized in that, the response command of this interface of mobile terminal is the switching of menu up and down and the page turning up and down of picture, webpage and note.
10. the non-contact type keying method of portable terminal as claimed in claim 9 is characterized in that, the said switching of menu up and down and the page turning up and down of picture, webpage and note are corresponding to the sequencing of detected first light source and secondary light source emission light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102638818A CN102377848A (en) | 2010-08-24 | 2010-08-24 | Mobile terminal and contactless type keystroke method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102638818A CN102377848A (en) | 2010-08-24 | 2010-08-24 | Mobile terminal and contactless type keystroke method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102377848A true CN102377848A (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102638818A Pending CN102377848A (en) | 2010-08-24 | 2010-08-24 | Mobile terminal and contactless type keystroke method thereof |
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| CN (1) | CN102377848A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107329572A (en) * | 2017-06-30 | 2017-11-07 | 努比亚技术有限公司 | Control method, mobile terminal and computer-readable recording medium |
| CN108200272A (en) * | 2017-12-26 | 2018-06-22 | 努比亚技术有限公司 | A kind of method of terminal control, terminal and computer readable storage medium |
| CN111279306A (en) * | 2017-10-27 | 2020-06-12 | 韦斯特尔电子工业和贸易有限责任公司 | Electronic device and method of operating electronic device |
-
2010
- 2010-08-24 CN CN2010102638818A patent/CN102377848A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107329572A (en) * | 2017-06-30 | 2017-11-07 | 努比亚技术有限公司 | Control method, mobile terminal and computer-readable recording medium |
| CN111279306A (en) * | 2017-10-27 | 2020-06-12 | 韦斯特尔电子工业和贸易有限责任公司 | Electronic device and method of operating electronic device |
| CN108200272A (en) * | 2017-12-26 | 2018-06-22 | 努比亚技术有限公司 | A kind of method of terminal control, terminal and computer readable storage medium |
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Application publication date: 20120314 |