CN104331198A - Device for realizing proximity sensing technology by applying conducting element - Google Patents
Device for realizing proximity sensing technology by applying conducting element Download PDFInfo
- Publication number
- CN104331198A CN104331198A CN201410559885.9A CN201410559885A CN104331198A CN 104331198 A CN104331198 A CN 104331198A CN 201410559885 A CN201410559885 A CN 201410559885A CN 104331198 A CN104331198 A CN 104331198A
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- electronic installation
- sensing electrode
- capacitance sensing
- control chip
- distance
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Telephone Function (AREA)
- Electronic Switches (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Electric Clocks (AREA)
Abstract
The invention discloses an electronic device, which comprises a touch area, a capacitive sensing electrode and a control chip, wherein the touch area is located on the surface of the electronic device; the capacitive sensing electrode is located on the surface of the electronic device but not within the touch area; the control chip is used for sensing the state of the capacitive sensing electrode, and sending out a signal according to the state of the capacitive sensing electrode so as to control the electronic device.
Description
Technical field
The present invention relates to and closely connect detection technology field, particularly relate to the device that application conductive component realizes closely connecing detection technology.
Background technology
Closely connecing detection technology (Proximity sensing) is reach with ultrared reception and follow-up signal process, configuration aspects is generally made up of infrared transmitter and optical receiver, and operation principles as shown in Figure 1, Fig. 1 illustrates in known techniques and applies infrared transmitter and receiver reaches the operation principles schematic diagram closely connecing sensing function, by infrared transmitter 2 utilizing emitted light signal, when can detect apart from interior there is object sensing 4 time, part signal captured by optical receiver 3 after reflection, and processes judgement through follow-up control chip.
In mobile phone products, very important function is provided close to detection technology, its placement location end is seen application mode and determines, such as: can be positioned near mobile phone power of hearing hole, when through sensor, mobile phone finds that face's call just pressed close to by mobile phone by user, microprocessor can cut out untapped function automatically, as: display, Touch Screen etc., except reaching power saving object, also can avoid other button of user's false touch simultaneously.Such as, but in order to realize the detecting function closely connecing detection technology in mobile phone, hardware that generally need be extra, the infrared transmitter 2 shown in Fig. 1 and optical receiver 3, be placed under hand set machine shell, occupies inner design space.In addition, part mobile phone stretches by edge the detecting that sensing has been carried out closely to connect in ITO sensor (indium-tin oxide electrode) region, therefore, except affecting cell phone appearance design, other functions can not be placed at the layout areas of optical receiver 3, such as: camera lens.
Summary of the invention
Fundamental purpose of the present invention be to solve infrared transmitter and receiver cost high, and to the conditional technical matters of space layout.
For achieving the above object, the invention provides a kind of electronic installation, described electronic installation includes:
One Touch Zone, is positioned at this surface of electronic device;
One capacitance sensing electrode, is positioned at this surface of electronic device but within not being positioned at this Touch Zone, and the state of this capacitance sensing electrode changes along with the distance size between this capacitance sensing electrode and another object; And
One control chip, detects the state of this capacitance sensing electrode, and according to the state of this capacitance sensing electrode, sends a signal to control this electronic installation.
Preferably, this control chip detects the state of this capacitance sensing electrode, and this capacitance sensing electrode condition comprises this capacitance sensing electrode capacitance size at that time, capacitor charge and discharge time etc.
Preferably, this object is can conductive material.
Preferably, this viewing area at least comprises a display module and a cover glass.
Preferably, when the distance between this object and this capacitance sensing electrode is less than a particular value, the brightness controlling this display module reduces or closes completely by this control chip.
Preferably, the distance between this object and this capacitance sensing electrode is less than a particular value, and when being continued above certain hour, the brightness controlling this display module reduces or closes completely by this control chip.
Preferably, described electronic installation also comprises the surface that at least one physical button is positioned at this electronic installation.
Preferably, when the distance between this object and this capacitance sensing electrode is less than a particular value, the function of this physical button will be closed by this control chip.
Preferably, when the distance between this object and this capacitance sensing electrode is less than a particular value, and when being continued above certain hour, the function of this physical button will be closed by this control chip.
Preferably, this capacitance sensing electrode has Partial exposure at least at the outer surface of this electronic installation.
Preferably, described electronic installation also includes a connection piece, is electrically connected this capacitance sensing electrode and this control chip.
The invention provides a kind of electronic installation, include a Touch Zone, be positioned at this surface of electronic device, one capacitance sensing electrode, be positioned at this surface of electronic device but within not being positioned at this Touch Zone, and a control chip, detect the state of this capacitance sensing electrode, and according to the state of this capacitance sensing electrode, send a signal to control this electronic installation.The present invention does not use known conventional infrared transmitter and receiver, therefore can save cost of manufacture, and the seated position of infrared transmitter and receiver also can be avoided in addition to limit the setting of other assemblies.
Accompanying drawing explanation
Fig. 1 illustrates in known techniques and applies infrared transmitter and receiver reaches the operation principles schematic diagram closely connecing sensing function.
Fig. 2 illustrates the single channel capacitance sensing electrode start principle that the present invention applies.
Fig. 3 illustrates the present invention by single channel capacitance sensing application of electrode in the diagrammatic cross-section of electronic installation.
Fig. 4 illustrates electronic device applications of the present invention in the upper schematic diagram of mobile phone.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
This exposure is described with following example especially; these examples are only illustrate; because for haveing the knack of for this those skilled in the art; not departing from the spirit and scope of this disclosure; when various changes and retouching can be done, therefore this disclosure protection domain when depending on after the attached claim person of defining be as the criterion.Time in instructions in the whole text and claim, specify except non-content is clear, otherwise the meaning of " " and " be somebody's turn to do " comprises this class describes and comprise " one or at least one " this assembly or composition.In addition, as this exposure is used, unless foreclosed by plural number from specific context is obviously visible, otherwise singular article also comprises describing of plurality of element or composition.And, application in the description herein with following whole claims in time, specify except non-content is clear, otherwise the meaning of " wherein " can comprise " wherein " and " thereon ".The word (terms) that instructions and claim are used in the whole text, apart from dated especially, usually have each word use in this area, in the content of this exposure with the usual meaning in special content.Some in order to the word that describes this exposure by lower or discuss in the other places of this instructions, to provide practitioner (practitioner) about guiding extra in the description of this exposure.At the example Anywhere of instructions in the whole text, be included in this use of the example of any word discussed, be only illustrate, certainly do not limit scope and the meaning of this exposure or any illustration word.Similarly, this exposure is not limited to the various embodiments that proposed in this instructions.
In addition, if use " electricity (property) couples " or " electricity (property) connects " word to be comprise directly any and be indirectly electrically connected means at this.For example, if describe a first device in literary composition to be electrically coupled to one second device, then represent this first device and can be directly connected in this second device, or be indirectly connected to this second device through other devices or connection means.In addition, if describe about electric signal transmission, provide, haveing the knack of that this those skilled in the art should understand in the transmittance process of electric signal may with the change of decay or other imperfections, if but electric signal transmission or the source that provides are chatted bright with receiving end nothing especially, same signal should be considered as in fact.
Please refer to Fig. 2, it illustrates the single channel capacitance sensing electrode start principle that the present invention applies.As shown in Figure 2, a function sensing member 11 is included in the present invention, wherein function sensing member 11 is a single channel capacitance sensing electrode in the present embodiment, in the present invention's application, the distance of single channel capacitance sensing application of electrode at conductive body is detected, when a conductive object, it is such as the face of user, ear, finger etc., during close to above-mentioned single channel capacitance sensing electrode, due to single channel capacitance sensing electrode coupling one shunt capacitance, therefore the equivalent capacitance value on single channel capacitance sensing electrode can increase accordingly, and then change system to the discharge and recharge time of this sensing electrode.Principle of the present invention is, and by capacitance or the discharge and recharge time of sensing electrode, has judged whether object proximity.In addition, detection-sensitive distance depends on that the control chip used in electronic installation is to the processing power of signal, generally speaking, when 5 ~ 10 millimeters, conductive body distance single channel capacitance sensing electrode, single channel capacitance sensing electrode just can sense the existence of this conductive body, certainly, the present invention is not limited to the distance of above-mentioned capacitance sensing electrode, be applied to capacitance sensing electrode of the present invention, its effective detection-sensitive distance can adjust according to the actual requirements, also belongs in covering scope of the present invention.
Please refer to Fig. 3, Fig. 3 is in the diagrammatic cross-section of electronic installation by above-mentioned single channel capacitance sensing application of electrode, electronic installation in Fig. 3 is for mobile phone, but electronic installation of the present invention is not limited to mobile phone, also other electronic equipments may be applied to, as flat computer, driving recorder etc.As shown in Figure 3, electronic installation 1 of the present invention includes function sensing member 11, cover glass 12, display module 13, mainboard 14 and a back of the body lid 15.Above-mentioned cover glass 12 and touch-control module 13 are generally viewing area and the Touch Zone of mobile phone.Function sensing member 11 is as with the single channel capacitance sensing electrode described in above-mentioned 2nd figure, when a conductive object, be such as user face, ear etc., when moving closer to function sensing member 11, will the capacitance of enhanced feature sensing member 11 self and the discharge and recharge time of electric capacity.Function sensing member 11 is by web member 16, be such as a wire or conducting foam (containing then glue etc.), be electrically connected to the naked copper district being connected to mainboard 14, be electrically connected to the control chip (not shown) of mobile phone more further, control chip may be positioned on mainboard 14.Therefore, when above-mentioned can conductive body move closer to the function sensing member 11 on mobile phone time, equivalent capacitance value on function sensing member 11 increases thereupon, also can change the discharge and recharge time of function sensing member 11, when control chip detects the change of single channel capacitance sensing electrode self-capacitance size, or the change of discharge and recharge time, whether what can differentiate has object proximity electronic installation 1.
When systems scan is to capacitance change or the discharge and recharge time change detecting function sensing member 11; the control chip of the mobile phone of linkage function sensing member 11; steering order will be sent to whole electronic installation 1 (being mobile phone in the present embodiment); such as; for mobile phone; a Touch Zone is included in the present embodiment; cover glass 12 namely in above-mentioned Fig. 3 and display module 13 position; wherein touch-control circuit can directly be made on cover glass 12, or is formed in addition and integrate with display module 13.In addition, electronic installation 1 selectivity may include at least one physical button (not shown), when having the object of conducting function, such as: user face, ear etc., gradually when function sensing member 11, treat that the distance between object and function sensing member 11 is less than a particular value, this particular value can detect the maximum distance of object proximity for function sensing member 11, then the control chip of system can sense the existence of object, now system can according to the distance between object and function sensing member 11, decision sends various signal instruction and gives whole electronic installation 1, such as, the brightness that display module sends may be reduced gradually, when distance even between object and function sensing member 11 is less than certain particular value, (this particular value can change by the sensitivity of adjustment function sensing member 11, between 5 ~ 10 millimeters in the present embodiment, but be not limited thereto, and can adjust according to actual demand), even can close display module 13 completely, and reach the effect of power saving.In addition, electronic installation 1 of the present invention selectivity may include at least one physical button, when function sensing member 11 is less than a particular value with the distance of object, the control chip of system can send signal and control button, make it temporary close function, thus in actual use, the button of the false touch mobile phone such as user face or ear of mobile phone can be avoided.And after object is gradually away from mobile phone, the control chip of system then senses the state change of function sensing member 11 more again, such as capacitance size or discharge and recharge time etc. recover original object not yet close to time size, then the control chip of system again sends instruction and controls the display module 13 of electronic installation 1 or button etc. and reply brightness, function etc.
In addition, during about above-mentioned conductive body close to function sensing member 11, the distance of control chip not only detectable object proximity function sensing member 11, also the conductive body close time can be calculated, in other words, the present invention by the programmed instruction changing control chip, can judge just to start to send the instruction controlling electronic installation 1 after function sensing member 11 certain hour at conductive body, such as, closes display module 13 etc.Thus, user's false touch function sensing member 11 can be avoided and cause screen to be closed.
In addition, above-mentioned control chip comparatively emphasize user near time, close display module or close the functions such as physical button, but the present invention is in practical application, also the function of opening some electronic installation by control chip may be had, for example, smart watch can be applied in, on intelligent glasses or gps system, for smart watch, when every day use person does not use, wrist-watch only has the functions such as displaying time, and when user puts on intelligent watch, control chip can be close by the wrist of detecting user, and open other functions of smart watch, such as interconnection network, the functions such as detecting heartbeat.Above-mentioned application also belongs in covering scope of the present invention.
Fig. 4 is that electronic device applications of the present invention is in the upper schematic diagram of mobile phone.From top view, there is a viewing area A and the Partial exposure function sensing member 11 at electronic installation outside surface, selectivity may have key zone B in addition, in the B of key zone, above-mentioned physical button etc. may be included.It should be noted that, compare known mobile phone, subregion is had around the A of viewing area, those regions may be made up of metal material, in general, in known techniques using the region of those metal materials as decoration or other functions (such as voice output etc.), but in known techniques, not the precedent that this part closely connects sensing as application is not existed.In a preferred embodiment of the present invention, by the metallic member on surface of electronic device, use as single channel capacitance sensing electrode of the present invention, can under the appearance design not affecting original electronic installation 1, realize the function closely connecing detection technology, although therefore function sensing member 11 has part directly to expose to the open air at electronic installation outside surface, the exterior design of electronic installation can not be affected.Compared and utilized the mode such as infrared transmitter and receiver to reach the electronic installation closely connecing sensing function, the present invention both can save the assembly such as infrared transmitter and receiver cost, more can not the occupying volume external space, promote the flexibility ratio in design.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (11)
1. an electronic installation, is characterized in that, described electronic installation includes:
One Touch Zone, is positioned at this surface of electronic device;
One capacitance sensing electrode, is positioned at this surface of electronic device but within not being positioned at this Touch Zone, and the state of this capacitance sensing electrode changes along with the distance size between this capacitance sensing electrode and another object; And
One control chip, detects the state of this capacitance sensing electrode, and according to the state of this capacitance sensing electrode, sends a signal to control this electronic installation.
2. electronic installation as claimed in claim 1, it is characterized in that, this control chip detects the state of this capacitance sensing electrode, and this capacitance sensing electrode condition comprises this capacitance sensing electrode capacitance size at that time, capacitor charge and discharge time etc.
3. electronic installation as claimed in claim 1, it is characterized in that, this object is can conductive material.
4. electronic installation as claimed in claim 1, it is characterized in that, this viewing area at least comprises a display module and a cover glass.
5. electronic installation as claimed in claim 4, is characterized in that, when the distance between this object and this capacitance sensing electrode is less than a particular value, the brightness controlling this display module reduces or closes completely by this control chip.
6. electronic installation as claimed in claim 4, it is characterized in that, the distance between this object and this capacitance sensing electrode is less than a particular value, and when being continued above certain hour, the brightness controlling this display module reduces or closes completely by this control chip.
7. electronic installation as claimed in claim 1, it is characterized in that, described electronic installation also comprises the surface that at least one physical button is positioned at this electronic installation.
8. electronic installation as claimed in claim 7, it is characterized in that, when the distance between this object and this capacitance sensing electrode is less than a particular value, the function of this physical button will be closed by this control chip.
9. electronic installation as claimed in claim 7, it is characterized in that, when the distance between this object and this capacitance sensing electrode is less than a particular value, and when being continued above certain hour, the function of this physical button will be closed by this control chip.
10. electronic installation as claimed in claim 1, it is characterized in that, this capacitance sensing electrode has Partial exposure at least at the outer surface of this electronic installation.
11. electronic installations as claimed in claim 1, it is characterized in that, described electronic installation also includes a connection piece, is electrically connected this capacitance sensing electrode and this control chip.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559885.9A CN104331198A (en) | 2014-10-20 | 2014-10-20 | Device for realizing proximity sensing technology by applying conducting element |
| TW103141051A TWI530827B (en) | 2014-10-20 | 2014-11-26 | Proximity sensing by conductive unit on device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559885.9A CN104331198A (en) | 2014-10-20 | 2014-10-20 | Device for realizing proximity sensing technology by applying conducting element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104331198A true CN104331198A (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410559885.9A Pending CN104331198A (en) | 2014-10-20 | 2014-10-20 | Device for realizing proximity sensing technology by applying conducting element |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104331198A (en) |
| TW (1) | TWI530827B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107493362A (en) * | 2017-09-29 | 2017-12-19 | 努比亚技术有限公司 | Mobile terminal |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI741663B (en) * | 2020-06-30 | 2021-10-01 | 美律實業股份有限公司 | Wearable device and earbud |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110134032A1 (en) * | 2009-12-09 | 2011-06-09 | Kuo-Chung Chiu | Method for controlling touch control module and electronic device thereof |
| CN102855037A (en) * | 2012-08-07 | 2013-01-02 | 深圳天珑无线科技有限公司 | Capacitive screen mobile terminal and screen control method and device thereof |
| CN103309481A (en) * | 2012-03-08 | 2013-09-18 | 群康科技(深圳)有限公司 | Display module and electronic device |
-
2014
- 2014-10-20 CN CN201410559885.9A patent/CN104331198A/en active Pending
- 2014-11-26 TW TW103141051A patent/TWI530827B/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110134032A1 (en) * | 2009-12-09 | 2011-06-09 | Kuo-Chung Chiu | Method for controlling touch control module and electronic device thereof |
| CN103309481A (en) * | 2012-03-08 | 2013-09-18 | 群康科技(深圳)有限公司 | Display module and electronic device |
| CN102855037A (en) * | 2012-08-07 | 2013-01-02 | 深圳天珑无线科技有限公司 | Capacitive screen mobile terminal and screen control method and device thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107493362A (en) * | 2017-09-29 | 2017-12-19 | 努比亚技术有限公司 | Mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201616285A (en) | 2016-05-01 |
| TWI530827B (en) | 2016-04-21 |
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Application publication date: 20150204 |