CN104423724B - Position of touch determines method, apparatus, circuit, pcb board and electronic equipment - Google Patents
Position of touch determines method, apparatus, circuit, pcb board and electronic equipment Download PDFInfo
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- CN104423724B CN104423724B CN201310404536.5A CN201310404536A CN104423724B CN 104423724 B CN104423724 B CN 104423724B CN 201310404536 A CN201310404536 A CN 201310404536A CN 104423724 B CN104423724 B CN 104423724B
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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
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0428—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
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- General Physics & Mathematics (AREA)
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Abstract
The embodiment of the invention provides a kind of position of touch to determine method, apparatus, circuit, pcb board and electronic equipment, this method comprises: the attribute information of detection output electric signal is unsatisfactory for the first receiving module of preset rules from the receiving module；Obtain corresponding first transmitting module of first receiving module；Position of touch is determined according to the path channels between first transmitting module and the first corresponding receiving module.Method, apparatus, circuit, pcb board and electronic equipment are determined using position of touch provided in an embodiment of the present invention, the purpose of non-contact type touch control position positioning may be implemented, to increase a kind of new information input mode.
Description
Technical field
The present invention relates to the communications fields, and more specifically, it relates to position of touch to determine method, apparatus, circuit, pcb board
And electronic equipment.
Background technique
Recently as the fast development of electronic equipment, consumer wants the diversity that information mode is inputted in electronic equipment
It asks higher and higher, such as keyboard is used as a kind of input unit of computer and popularized very much, and keyboard is utilized to realize information input
Mode need user to contact the certain point in key or touch screen in keyboard, electronic equipment just can determine whether the corresponding letter of point
Breath is entered.
In order to make to input information mode diversity, inventor has found during implementing the invention, the prior art
In there is no non-touch position of touch to determine method, non-touch position of touch determines that method refers to that user sets without contacting electronics
Virtual key or touch screen in standby, electronic equipment can also position the position of touch of user, so that it is determined that corresponding position
Information be entered.
Summary of the invention
In view of this, the present invention provides a kind of position of touch localization method, device, circuit, pcb board and keyboard, with gram
The problem of taking in the prior art without non-touch position of touch positioning method.
To achieve the above object, the invention provides the following technical scheme:
In a first aspect, a kind of position of touch determines method, it is applied to non-contact type touch control electronic equipment, it is described contactless
Touch-controlled electronic devices include transmitting module for the electric signal received to be converted into optical signal and are used to receive the hair
The optical signal of module sending is penetrated, and the optical signal is converted to the receiving module of electric signal, the receiving module is receiving institute
When stating the optical signal of transmitting module sending, path channels, the touching will form between the receiving module and the transmitting module
Control location determining method includes: that the attribute information of the detection output electric signal from the receiving module is unsatisfactory for the of preset rules
One receiving module；Obtain corresponding first transmitting module of first receiving module；According to first transmitting module and and its
Path channels between corresponding first receiving module determine position of touch.
Wherein, the non-contact type touch control electronic equipment includes that at least two transmitting modules and at least two receive mould
Block, the path channels according between first receiving module and the first corresponding receiving module determine position of touch
It include: the path channels between determining every one first receiving module is corresponding respectively the first transmitting module；Determine each light
The intersection point is determined as position of touch by the intersection point of paths.
Wherein, described true according to the path channels between first receiving module and the first corresponding receiving module
Determine position of touch are as follows: by the path channels between first transmitting module and the first corresponding receiving module, be determined as
Position of touch.
Wherein, the attribute information of the electric signal is the frequency of electric signal, described that output is detected from the receiving module
The attribute information of electric signal is unsatisfactory for the first receiving module of preset rules are as follows: the electricity of output is detected from the receiving module
The frequency of signal is not equal to the receiving module of predeterminated frequency；By the frequency of the electric signal of the output connecing not equal to predeterminated frequency
It receives module and is determined as first receiving module.
Wherein, the luminous frequency of the transmitting module is the first predeterminated frequency, and the receiving module receives connecing for optical signal
Receipts frequency is the second predeterminated frequency, and the attribute information of the detection output electric signal from the receiving module is unsatisfactory for default rule
The first receiving module then includes: to calculate each receiving module according to first predeterminated frequency and second predeterminated frequency
Export the third frequency of electric signal；The receiving module that the frequency for exporting electric signal is not the third frequency is determined as described
One receiving module.
Wherein, corresponding first transmitting module of first receiving module that obtains comprises determining that out that described first connects
The frequency for receiving the output electric signal of module is not equal to the first moment of predeterminated frequency value；According to preset transmitting module, when
The corresponding relationship with receiving module is carved, determines first receiving module in first moment corresponding first transmitting mould
Block.
Second aspect, a kind of position of touch determining device are applied to non-contact type touch control electronic equipment, described contactless
Touch-controlled electronic devices include transmitting module for the electric signal received to be converted into optical signal and are used to receive the hair
The optical signal of module sending is penetrated, and the optical signal is converted to the receiving module of electric signal, the receiving module is receiving institute
When stating the optical signal of transmitting module sending, path channels, the touching will form between the receiving module and the transmitting module
Controlling position determining means includes: detection module, and the attribute information for the detection output electric signal from the receiving module is discontented
First receiving module of sufficient preset rules；Module is obtained, for obtaining corresponding first transmitting module of first receiving module；
Determining module, for determining touching according to the path channels between first transmitting module and the first corresponding receiving module
Control position.
Wherein, the non-contact type touch control electronic equipment includes that at least two transmitting modules and at least two receive mould
Block, the determining module include: the first determination unit, for determining the first corresponding hair of every one first receiving module respectively
Penetrate the path channels between module；The intersection point is determined as by the second determination unit for determining the intersection point of each path channels
Position of touch.
Wherein, the determining module is specifically used for: by first transmitting module and the first corresponding receiving module
Between path channels, be determined as position of touch.
Wherein, the attribute information of the electric signal is the frequency of the electric signal, and the detection module includes: that detection is single
Member, for detecting that the frequency of electric signal of output is not equal to the receiving module of predeterminated frequency from the receiving module；Third
Determination unit connects for the frequency of the electric signal of the output to be determined as described first not equal to the receiving module of predeterminated frequency
Receive module.
Wherein, the luminous frequency of the transmitting module is the first predeterminated frequency, and the receiving module receives connecing for optical signal
Receipts frequency be the second predeterminated frequency, the acquisitions module includes: computing unit, be used for according to first predeterminated frequency with it is described
Second predeterminated frequency calculates the third frequency of each receiving module output electric signal；4th determination unit, for electricity will to be exported
The frequency of signal is not that the receiving module of the third frequency is determined as first receiving module.
Wherein, the acquisition module includes: the 5th determination unit, for determining the output electricity of first receiving module
The frequency of signal is not equal to the first moment of predeterminated frequency value；6th determination unit, for according to preset transmitting module,
The corresponding relationship at moment and receiving module determines first receiving module in first moment corresponding first transmitting mould
Block
The third aspect, a kind of signal acquisition circuit are applied to non-contact type touch control electronic equipment, comprising: transmitting module is used
In the electric signal received is converted into optical signal；The first controller being connected with the transmitting module, for controlling the hair
Penetrate module opening and closing；At least two receiving modules, the optical signal issued for receiving the transmitting module, and by the light
Signal is converted to electric signal, wherein any receiving module, can be with institute when receiving the optical signal that the transmitting module issues
It states and forms path channels between transmitting module；The second controller being connected respectively at least two receiving module, for controlling
Make the opening and closing of at least two receiving module.
Preferably, further includes: light conduction module, for changing the transmission side for the optical signal that the transmitting module issues
To so that the receiving module receives the optical signal that the transmitting module issues.
Fourth aspect, a kind of signal acquisition pcb board are applied to non-contact type touch control electronic equipment, including third aspect institute
State signal acquisition circuit.
A kind of non-contact type touch control electronic equipment characterized by comprising signal acquisition pcb board described in fourth aspect.
It can be seen via above technical scheme that compared with prior art, the embodiment of the invention provides a kind of position of touch
It determines method, is applied to non-contact type touch control electronic equipment, due to being formed between receiving module and corresponding transmitting module
Path channels, and multiple path channels, when user touches certain point in optical path network, will be kept off just at optical path network
Firmly corresponding path channels in optical path network, receiving module cannot receive the optical signal at this time, so as to change reception mould
The attribute information of block output electric signal.So the frequency of output electric signal from receiving module, can be detected not equal to default frequency
First receiving module of rate value is obtaining corresponding first transmitting module of the first receiving module, and the position of touch of user is just the
In path channels between the first corresponding transmitting module of one receiving module, so that it is fixed to realize non-contact type touch control position
The purpose of position increases a kind of new information input mode.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the flow diagram that a kind of position of touch provided in an embodiment of the present invention determines method；
Fig. 2 is that a kind of position of touch provided in an embodiment of the present invention determines in method according to the first receiving module and right with it
The path channels between the first receiving module answered determine a kind of method flow schematic diagram of implementation of position of touch；
Fig. 3 is that a kind of position of touch provided in an embodiment of the present invention determines that detection exports telecommunications from receiving module in method
Number attribute information be unsatisfactory for preset rules the first receiving module a kind of implementation method flow schematic diagram；
Fig. 4 is that a kind of position of touch provided in an embodiment of the present invention determines that detection exports telecommunications from receiving module in method
Number attribute information be unsatisfactory for preset rules the first receiving module a kind of implementation method flow schematic diagram；
Fig. 5 is that a kind of position of touch provided in an embodiment of the present invention determines and takes the first receiving module corresponding first in method
A kind of method flow schematic diagram of implementation of transmitting module；
Fig. 6 is a kind of structural representation of position of touch determining device provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of signal acquisition circuit provided in an embodiment of the present invention；
Fig. 8 is a kind of structural schematic diagram of signal acquisition pcb board provided in an embodiment of the present invention；
Fig. 9 is a kind of the schematic diagram of the section structure of pcb board provided in an embodiment of the present invention；
Figure 10 is that the schematic diagram of the section structure around pcb board is arranged in light conduction module.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Attached drawing 1 is please referred to, is the flow diagram that a kind of position of touch provided in an embodiment of the present invention determines method, the party
Method can be applied to non-contact type touch control electronic equipment, and non-contact type touch control electronic equipment includes the electric signal for will receive
It is converted into the transmitting module of optical signal and the optical signal for receiving transmitting module sending, and above-mentioned optical signal is converted into electricity
The receiving module of signal, this method comprises:
Step S101: the attribute information of detection output electric signal is unsatisfactory for the first of preset rules from above-mentioned receiving module
Receiving module.
First receiving module is the general designation that the attribute information of output electric signal is unsatisfactory for the receiving module of preset rules, this hair
The attribute information for exporting electric signal is unsatisfactory for the reception of preset rules to distinguish with other receiving modules by bright embodiment
Module is known as the first receiving module.
Receiving module will form optical path when receiving the optical signal that transmitting module issues between receiving module and transmitting module
Channel, multiple path channels just will form optical path network, when user's finger or other touch control device touch-control optical path networks, can keep off
Firmly certain path channels, such receiving module just do not receive the corresponding optical signal of the path channels being blocked, receive at this time
The attribute information of the electric signal of module output will change.
The attribute information of electric signal can be frequency, duty ratio, power, level etc..When the attribute information of electric signal is
When frequency, corresponding preset rules can be equal to predeterminated frequency for the frequency of electric signal.When the attribute information of electric signal is duty
Than when, corresponding preset rules can be equal to default duty ratio for the duty ratio of electric signal.When the attribute information of electric signal is function
When rate, corresponding preset rules can be equal to predetermined power for the power of electric signal.When the attribute information of electric signal is level,
Corresponding preset rules can be equal to predetermined level for the level of electric signal.
Assuming that non-contact type touch control electronic equipment includes one or more transmitting modules and multiple receiving modules, transmitting module
Be turned on the first prefixed time interval, when receiving module receives optical signal, the electric signal that is converted into be high level (certainly
Can be low level), when receiving module does not receive optical signal, the electric signal being converted into is low level (if receiving module connects
When receiving optical signal, the electric signal that is converted into is low level, then be herein high level), such receiving module is according to receiving
Can be calculated when the attribute informations such as frequency, duty ratio, power, the level of the electric signal that optical signal is converted into, when user touches
When controlling optical path network, due to having blocked certain path channels, frequency, the duty ratio, function of the electric signal that receiving module is converted at this time
Changes will occur for rate, level, it is possible to which the attribute information according to electric signal judges that the path channels that user blocks are corresponding
The first receiving module.
Above-mentioned first prefixed time interval can be different, transmitting module each for non-contact type touch control electronic equipment
For, the time interval for opening transmitting module every time can be different, such as opens transmitting module for the first time and open for the second time
The time interval of transmitting module is opened at the first time, to open between transmitting module and the time for opening transmitting module for the third time for the second time
It was divided into for the second time, then may be the same or different at the first time with the second time.Certain transmitting module can also be located always
In open state, the reception frequency or transmitting module and receiving module of the reception optical signal of receiving module can control at this time
It is constantly in open state, when only user blocks path channels, the level for the electric signal that receiving module is converted into is low level
(or high level), it is possible to which the first receiving module is determined according to the attribute information that receiving module exports electric signal.
For non-contact type touch control electronic equipment includes all transmitting modules, each transmitting module luminous frequency can be with
It is identical, it can also be different, this does not influence the execution of the embodiment of the present invention, so being not specifically limited herein.Such as it non-connects
Touch touch-controlled electronic devices include 5 transmitting modules, and 5 transmitting modules can be constantly in open state.Preferably, same
Moment, only one transmitting module was in the open state, was opened as 5 transmitting modules with what sequence, luminous frequency is more
It is few, due to not influencing the implementation of the embodiment of the present invention, so the present invention is not especially limit this.
Certainly synchronization can also be in the open state by multiple transmitting modules.
Step S102: corresponding first transmitting module of the first receiving module is obtained.
If only including a transmitting module in non-contact type touch control electronic equipment, the first receiving module corresponding first
Transmitting module is exactly the transmitting module.
If in non-contact type touch control electronic equipment including multiple transmitting modules, and in only one transmitting mould of synchronization
Block is in the open state, then can preset the corresponding relationship of transmitting module, moment and receiving module, in this way can be according to working as
Preceding moment and the first receiving module determine the first transmitting module.If thering are multiple transmitting modules to be in synchronization to open
State then needs to preset the corresponding relationship of transmitting module and receiving module, can be according to presetting transmitting module and connect
The corresponding relationship of module is received, corresponding first transmitting module of the first receiving module is obtained.
Step S103: touching is determined according to the path channels between the first transmitting module and the first corresponding receiving module
Control position.
Due to having passage of light between the first corresponding receiving module of the first transmitting module, so the position of user's touch-control
It sets in the passage of light.
Position of touch provided by the invention determines method, due to being formed between receiving module and corresponding transmitting module
Path channels, and multiple path channels, when user touches certain point in optical path network, will be kept off just at optical path network
Firmly corresponding path channels in optical path network, receiving module cannot receive the optical signal at this time, so as to change reception mould
The attribute information of block output electric signal.So the frequency of output electric signal from receiving module, can be detected not equal to default frequency
First receiving module of rate value is obtaining corresponding first transmitting module of the first receiving module, and the position of touch of user is just the
In path channels between the first corresponding transmitting module of one receiving module, so that it is fixed to realize non-contact type touch control position
The purpose of position increases a kind of new information input mode.
The key etc. of virtual key, keyboard in touch screen is to need pinpoint electronic equipment, needs non-connect at this time
Touch touch-controlled electronic devices include at least two transmitting modules and at least two receiving modules.This is that path channels just have friendship
Folded part can block multiple path channels by the position of user's touch-control, what is be blocked is more when user's touch-control optical path network
The crosspoint of a path channels is the position of user's touch-control.
Referring to Fig. 2, being that a kind of position of touch provided in an embodiment of the present invention determines in method according to the first receiving module
Path channels between the first corresponding receiving module determine that a kind of method flow of implementation of position of touch shows
It is intended to, this method comprises:
Step S201: determine that the optical path between the first corresponding transmitting module of every one first receiving module is logical respectively
Road.
Non-contact type touch control electronic equipment includes at least two transmitting modules and at least two receiving modules.
Step S202: determining the intersection point of each path channels, and above-mentioned intersection point is determined as position of touch.
Some electronic equipments only need fuzzy positioning, such as mouse, and appointing by left mouse button can be touched when operating mouse
Meaning position or any position of right mouse button, do not need to navigate on the certain point of left mouse button or right button, and the present invention is real at this time
A kind of position of touch for applying example offer determines in method according between the first receiving module and the first corresponding receiving module
Path channels determine that the method for another implementation of position of touch can be with are as follows: by first transmitting module and right with it
The path channels between the first receiving module answered, are determined as position of touch.
It is understood that the attribute information of electric signal can be the frequency of electric signal in any of the above-described embodiment.Please
It is that a kind of position of touch provided in an embodiment of the present invention determines that detection exports electric signal from receiving module in method refering to Fig. 3
Attribute information be unsatisfactory for preset rules the first receiving module a kind of implementation method flow schematic diagram, this method packet
It includes:
Step S301: detect that the frequency of the electric signal of output is not equal to the reception mould of predeterminated frequency from receiving module
Block.
Step S302: the receiving module by the frequency of the electric signal of output not equal to predeterminated frequency is determined as the first reception mould
Block.
Assuming that non-contact type touch control electronic equipment includes one or more transmitting modules and multiple receiving modules, transmitting module
Be turned on the first prefixed time interval, when receiving module receives optical signal, the electric signal that is converted into be high level (certainly
Can be low level), when receiving module does not receive optical signal, the electric signal being converted into is low level (if receiving module connects
When receiving optical signal, the electric signal being converted into is low level, then is herein high level), the telecommunications that such receiving module is converted into
Number frequency be can be calculated, when user's touch-control optical path network, due to having blocked certain path channels, receiving module at this time
The frequency for the electric signal being converted into can change, it is possible to which the frequency according to electric signal judges that the optical path that user blocks is logical
Corresponding first receiving module in road.
It is understood that in any of the above-described embodiment, it can be according to the luminous frequency and receiving module of transmitting module
The reception frequency for receiving optical signal calculates the frequency for the electric signal that receiving module is converted into.Assuming that penetrating the luminous frequency of module and being
First predeterminated frequency, the reception frequency that receiving module receives optical signal is the second predeterminated frequency.Referring to Fig. 4, real for the present invention
It is pre- that a kind of position of touch for applying example offer determines that the attribute information for detecting output electric signal in method from receiving module is unsatisfactory for
If a kind of method flow schematic diagram of implementation of the first receiving module of rule, this method comprises:
Step S401: each receiving module output electric signal is calculated according to the first predeterminated frequency and the second predeterminated frequency
Third frequency.
Step S402: the receiving module that the frequency for exporting electric signal is not third frequency is determined as the first receiving module.
The first receiving module pair is taken in method referring to Fig. 5, determining for a kind of position of touch provided in an embodiment of the present invention
A kind of method flow schematic diagram of the implementation for the first transmitting module answered, this method comprises:
Step S501: when determining that the frequency of the output electric signal of the first receiving module is not equal to the first of predeterminated frequency value
It carves.
Step S502: according to the corresponding relationship of preset transmitting module, moment and receiving module, determine that first connects
Module is received in first moment corresponding first transmitting module.
If in non-contact type touch control electronic equipment including multiple transmitting modules, if in only one transmitting of synchronization
Module is in the open state, then can preset the corresponding relationship of transmitting module, moment and receiving module, in this way can basis
Current time and the first receiving module determine the first transmitting module.
Method is described in detail in aforementioned present invention disclosed embodiment, diversified forms can be used for method of the invention
Device realize that therefore the invention also discloses a kind of devices, and specific embodiment is given below and is described in detail.
Referring to Fig. 6, being a kind of structural schematic diagram of position of touch determining device provided in an embodiment of the present invention, the touch-control
Position determining means can be applied to non-contact type touch control electronic equipment, and non-contact type touch control electronic equipment includes for that will receive
To electric signal be converted into the transmitting module of optical signal and optical signal for receiving transmitting module sending, and above-mentioned light is believed
The receiving module of electric signal number is converted to, receiving module is when receiving the optical signal for stating transmitting module sending, receiving module and hair
It penetrates and will form path channels between module.The position of touch determining device may include: detection module 601, obtain module 602 with
And determining module 603, in which:
Detection module 601, the attribute information for the detection output electric signal from receiving module are unsatisfactory for preset rules
First receiving module.
The attribute information of electric signal can be frequency, duty ratio, power, level etc..When the attribute information of electric signal is
When frequency, corresponding preset rules can be equal to predeterminated frequency for the frequency of electric signal.When the attribute information of electric signal is duty
Than when, corresponding preset rules can be equal to default duty ratio for the duty ratio of electric signal.When the attribute information of electric signal is function
When rate, corresponding preset rules can be equal to predetermined power for the power of electric signal.When the attribute information of electric signal is level,
Corresponding preset rules can be equal to predetermined level for the level of electric signal.
Module 602 is obtained, for obtaining corresponding first transmitting module of the first receiving module.
If only including a transmitting module in non-contact type touch control electronic equipment, the first receiving module corresponding first
Transmitting module is exactly the transmitting module.
If in non-contact type touch control electronic equipment including multiple transmitting modules, and in only one transmitting mould of synchronization
Block is in the open state, then can preset the corresponding relationship of transmitting module, moment and receiving module, in this way can be according to working as
Preceding moment and the first receiving module determine the first transmitting module.If thering are multiple transmitting modules to be in synchronization to open
State then needs to preset the corresponding relationship of transmitting module and receiving module, can be according to presetting transmitting module and connect
The corresponding relationship of module is received, corresponding first transmitting module of the first receiving module is obtained.
Determining module 603, for logical according to the optical path between the first transmitting module and the first corresponding receiving module
Road determines position of touch.
Due to having passage of light between the first corresponding receiving module of the first transmitting module, so the position of user's touch-control
It sets in the passage of light.
A kind of position of touch determining device provided in an embodiment of the present invention, due to receiving module and corresponding transmitting mould
Form path channels between block, and multiple path channels are just at optical path network, when user touches certain in optical path network
When point, corresponding path channels in optical path network will be blocked, receiving module cannot receive the optical signal at this time, so as to
Change the attribute information of receiving module output electric signal.So detection module 601 can detect output telecommunications from receiving module
Number frequency be not equal to predeterminated frequency value the first receiving module, obtain module 602 obtain the first receiving module corresponding first
Transmitting module, the position of touch of user just path channels between the first corresponding transmitting module of the first receiving module
On, so can be according to the optical path between the first transmitting module and the first corresponding receiving module by determining module 603
Channel determines position of touch, to realize the purpose of non-contact type touch control position positioning, increases a kind of new information input
Mode.
The key etc. of dummy keyboard, keyboard in touch screen is to need pinpoint electronic equipment, needs non-connect at this time
Touch touch-controlled electronic devices include at least two transmitting modules and at least two receiving modules.At this moment path channels just have friendship
Folded part can block multiple path channels by the position of user's touch-control, what is be blocked is more when user's touch-control optical path network
The crosspoint of a path channels is the position of user's touch-control.Determining module may include: the first determination unit at this time, for dividing
The path channels between the first corresponding transmitting module of every one first receiving module are not determined；Second determination unit, is used for
The intersection point is determined as position of touch by the intersection point for determining each path channels.
Some electronic equipments only need fuzzy positioning, such as mouse, and appointing by left mouse button can be touched when operating mouse
Meaning position or any position of right mouse button, do not need to navigate on the certain point of left mouse button or right button, at this time determining module
It can be specifically used for: by the path channels between the first transmitting module and the first corresponding receiving module, be determined as touch-control
Position.
In any of the above-described embodiment, the attribute information of electric signal is the frequency of the electric signal, and detection module includes: inspection
Unit is surveyed, for detecting that the frequency of electric signal of output is not equal to the receiving module of predeterminated frequency from the receiving module；
Third determination unit, for the frequency of the electric signal of the output to be determined as described the not equal to the receiving module of predeterminated frequency
One receiving module.
In any of the above-described embodiment, the luminous frequency of transmitting module can be the first predeterminated frequency, and receiving module receives
The reception frequency of optical signal can be the second predeterminated frequency, and obtaining module includes: computing unit, for according to the first predeterminated frequency
The third frequency of each receiving module output electric signal is calculated with the second predeterminated frequency；4th determination unit, for that will export
The frequency of electric signal is not that the receiving module of third frequency is determined as the first receiving module.
In any of the above-described embodiment, obtaining module includes: the 5th determination unit, for determining the first receiving module
The frequency for exporting electric signal is not equal to the first moment of predeterminated frequency value；6th determination unit, for according to preset hair
The corresponding relationship for penetrating module, moment and receiving module determines the first receiving module in the first moment corresponding first transmitting mould
Block.
Realize that above-mentioned position of touch determines method and position of touch determining device the embodiment of the invention also provides a kind of
Signal acquisition circuit, referring to Fig. 7, being a kind of structural schematic diagram of signal acquisition circuit provided in an embodiment of the present invention, the letter
Number Acquisition Circuit can be applied to non-contact type touch control electronic equipment, the signal acquisition circuit may include: transmitting module 701,
First controller 702, at least two receiving module 703-703n(n indicate the number of receiving module) and second controller 704,
Wherein:
Transmitting module 701, for the electric signal received to be converted into optical signal.
Transmitting module 701 can be light emitting diode, such as infrared light-emitting diode, the light of the sending of preferred diode
Wavelength be 800nm between 900nm.
Non-contact type touch control electronic equipment may include one or more transmitting modules 701.
The first controller 702 being connected with transmitting module 701 is opened and closed for controlling transmitting module.
First controller 702 can be integrated circuit or relay etc. with corresponding function.
First controller 702 can control transmitting module and be constantly in open state.
Non-contact type touch control electronic equipment may include one or more transmitting modules and multiple receiving modules, connect for non-
For each transmitting module of touch touch-controlled electronic devices, the time interval for opening transmitting module every time be can be different, such as
The time interval opened transmitting module for the first time and open transmitting module for the second time is second of unlatching transmitting module at the first time
The time interval for opening transmitting module with third time was the second time, then at the first time can be identical with the second time, can also be with
It is different.Certain transmitting module can also be constantly in open state, can control connecing for the reception optical signal of receiving module at this time
It receives frequency or transmitting module and receiving module is constantly in open state, when only user blocks path channels, receiving module
The level for the electric signal being converted into is low level (or high level), it is possible to be believed according to the attribute that receiving module exports electric signal
It ceases and determines the first receiving module.
For non-contact type touch control electronic equipment includes all transmitting modules, each transmitting module luminous frequency can be with
It is identical, it can also be different, this does not influence the execution of the embodiment of the present invention, so being not specifically limited herein.Such as it non-connects
Touch touch-controlled electronic devices include 5 transmitting modules, and 5 transmitting modules can be constantly in open state.Preferably, same
Moment, only one transmitting module was in the open state, was opened as 5 transmitting modules with what sequence, luminous frequency is more
It is few, due to not influencing the implementation of the embodiment of the present invention, so the present invention is not especially limit this.
Certainly synchronization can also be in the open state by multiple transmitting modules.
The optical signal for receiving the optical signal of transmitting module sending, and is converted to telecommunications by receiving module 703-703n
Number.
Receiving module can be photodiode.
When non-contact type touch control electronic equipment includes two receiving modules, the number of receiving module is 703,7031, when
When non-contact type touch control electronic equipment includes three receiving modules, the number of receiving module is 703,7031,7032, with such
It pushes away.
Wherein, any receiving module is formed between meeting and the transmitting module when receiving the optical signal that transmitting module issues
Path channels.
Receiving module will form optical path when receiving the optical signal that transmitting module issues between receiving module and transmitting module
Channel, multiple path channels just will form optical path network, when user's finger or other touch control device touch-control optical path networks, can keep off
Firmly certain path channels, such receiving module just do not receive the corresponding optical signal of the path channels being blocked, receive at this time
The attribute information of the electric signal of module output will change.
The second controller 704 being connected respectively with receiving module 703-703n, for controlling and receiving module 703-703n's
It opens and closes.
Second controller 704 can be the integrated circuit with corresponding function, or relay etc..
Second controller 704 can control the reception frequency that receiving module receives optical signal, for example, non-contact type touch control is electric
Sub- equipment includes 3 receiving modules, and number is respectively 703,7031,7032, and second controller 704 can control receiving module
703 reception frequency is the first reception frequency, and the reception frequency of receiving module 7031 is the second reception frequency, receiving module 7032
Reception frequency be that third receives frequency, then first receive frequency, second receive frequency and third receive frequency can be identical
It can be different.Wherein the first reception frequency can be a fixed value, be also possible to variation, such as the first reception frequency can be
Mechanical periodicity.
If including multiple transmitting modules in contact touch-controlled electronic devices, and in only one transmitting module of synchronization
It is in the open state, then the corresponding relationship of transmitting module, moment and receiving module can be preset, is arrived in this way when a certain moment
When coming, the first controller 702 controls corresponding transmitting module and opens and closes, and second controller 704 controls corresponding reception mould
Block opens and closes.
If there are multiple transmitting modules in the open state in synchronization, needs to preset transmitting module and receive
The corresponding relationship of module, second controller 704 can be controlled according to the corresponding relationship for presetting transmitting module and receiving module
Corresponding receiving module opens and closes or the first controller 702 can be according to presetting transmitting module and receiving module
Corresponding relationship controls corresponding transmitting module and opens and closes.
The first controller 702 in signal acquisition circuit provided in an embodiment of the present invention can control transmitting module 701
Luminous frequency, second controller 704 can control the reception frequency of the reception optical signal of receiving module 703-703n, so as to
An optical path network is formed, when user's touch-control optical path network, certain path channels in optical path network can be blocked, it is corresponding at this time
The attribute information for the electric signal that receiving module is converted into will change, so signal acquisition provided in an embodiment of the present invention is electric
The signal acquired in road is embodied in the electric signal that receiving module is converted into.
It is upper that any of the above-described position of touch determines that embodiment of the method or any position of touch determining device embodiment can be based on
State signal acquisition circuit realization.
It is understood that optical signal is along straightline propagation, in order to realize transmitting module transmitting in above-described embodiment
Optical signal can allow receiving module to receive, can be with the following method: transmitting module, receiving module and passage of light are set
It is placed in same plane.Light conduction module can also be increased in signal acquisition circuit, which can be used for changing
Become the transmission direction for the optical signal that the transmitting module issues, so that the receiving module receives what the transmitting module issued
Optical signal.
Light conduction module can be fiber optic conduction device (such as optical fiber, light guide plate etc.), reflecting mirror, reflective mirror etc..
Referring to Fig. 8, being a kind of structural schematic diagram of signal acquisition pcb board provided in an embodiment of the present invention, the pcb board packet
Above-mentioned signal acquisition circuit is included, Fig. 8 merely illustrates a kind of schematic diagram of components' placement in pcb board, and the embodiment of the present invention is not
Limited to this.
The AB of Fig. 8 while and when BC on be provided with receiving module, receiving module is indicated with "○", AD while and when DC be provided with hair
Penetrate module, transmitting module ellipse representation.The number of transmitting module and receiving module is respectively 8 and 12 in pcb board in Fig. 8
It is a, but it's not limited to that for the embodiment of the present invention.
First controller 702 is separately positioned on the centre of pcb board with second controller 704, naturally it is also possible to be other positions
It sets, the embodiment of the present invention is to the specific location of the first controller 702 and second controller 704 without limiting.
The side DC of pcb board only can also be provided with a transmitting module, other three sides are provided with receiving module.
Can also only the AD of pcb board while and when DC a transmitting module is respectively set, AB is respectively set more while with BC
A receiving module.
It is understood that optical signal is along straightline propagation, in order to realize transmitting module transmitting in above-described embodiment
Optical signal can allow receiving module to receive, can be with the following method: transmitting module, receiving module and passage of light are set
It is placed in same plane.The pin of transmitting module and receiving module can be bent at this time, so that transmitting module, receiving module
And passage of light is in same plane.
Light conduction module can also be increased in signal acquisition pcb board, which can be used for changing hair
The transmission direction of the optical signal of module sending is penetrated, so that receiving module receives the optical signal that the transmitting module issues.
Light conduction module can be fiber optic conduction device (such as optical fiber, light guide plate etc.), reflecting mirror, reflective mirror etc..
Light conduction module can be located at the top of pcb board, the optical signal launch that transmitting module issues to light conduction mould
Block, light conduction module reflects optical signal, so that receiving module receives optical signal.
Referring to Fig. 9, being a kind of the schematic diagram of the section structure of pcb board provided in an embodiment of the present invention.
Fig. 9 includes the circuit 902 and signal acquisition pcb board 903 of light conduction module 901, electronic equipment.Signal acquisition
Pcb board may include: transmitting module 701, the first controller, at least two receiving module 703-703n and second controller.
In order to illustrate the positional relationship between light conduction module and electronic equipment, is also shown in Fig. 9 and be not belonging to pcb board
Electronic equipment circuit 902.
The transmitting module that the transmitting module being arranged on signal acquisition pcb board 903 can be direct light type is also possible to side and penetrates
The transmitting module of type, the receiving module that the receiving module being arranged on signal acquisition pcb board 903 is also possible to direct light type can also be with
It is the transmitting module of Quartering shot type, the light of transmitting module transmitting is by light conduction module transfer to receiving module.
The transmitting module of above-mentioned direct light type refers to the light of transmitting module sending perpendicular to flat where light conduction module
Face.The receiving module of above-mentioned direct light type refers to the received light of receiving module perpendicular to the plane where light conduction module.
The transmitting module of above-mentioned Quartering shot type refer to transmitting module issue light and light conduction module where plane it
Between angle be acute angle or obtuse angle.The receiving module of above-mentioned Quartering shot type refers to the received light of receiving module and light conduction module
Angle between the plane at place is acute angle or obtuse angle.
User needs touch control device when carrying out touch control operation or is manually placed at light conduction module 901 and electronics is set
Between standby circuit 902.User can just touch optical path network in this way.
The circuit 902 of electronic equipment in Fig. 9 is smaller than signal acquisition pcb board 903 and 901 size of light conduction module, this
Be because transmitting module 701 issue optical signal may not be able to penetrating electrons equipment circuit 902, if the circuit of electronic equipment
902 as the size of signal acquisition pcb board 903, then the circuit 902 of electronic equipment will stop signal acquisition
The optical signal that transmitting module 701 issues on pcb board 903.In order to allow optical signal that can be transmitted to light conduction module 901, making
When making signal acquisition pcb board 903, the signal acquisition pcb board 903 of manufacture and the size of light conduction module 901 are greater than electronics
The size of the circuit 902 of equipment.
Light conduction module can also be arranged in around pcb board, referring to Fig. 10, existing for the setting of light conduction module
The schematic diagram of the section structure around pcb board.
Figure 10 includes the circuit 1002 and signal acquisition pcb board 1003 of optical path network 1001, electronic equipment, since light is edge
Linear transmission, and light cannot penetrate 1002 layers, so needing the transmitting module 701 of Quartering shot type and the receiving module of Quartering shot type
703.Transmitting module can be the light emitting diode of Quartering shot type at this time, and receiving module can be the photodiode of Quartering shot type.
1004 in Figure 10 be the cross-section structure of light conduction module.The shape of light conduction device is not in practical applications
It is certain as shown in Figure 10, can be depending on specific actual conditions, the present invention is not especially limit this.
In order to illustrate the positional relationship between light conduction module and electronic equipment, is also shown in Figure 10 and be not belonging to PCB
The circuit 1002 of the electronic equipment of plate.In order to vivider, the optical path network 1001 that is also shown in Figure 10.
Since the light conduction module 1004 in Figure 10 is arranged in around signal acquisition pcb board 1003, so electronics is set
The size of standby circuit 1002 and signal acquisition pcb board 1003 can according to the actual situation depending on, the embodiment of the present invention pair
This is not especially limited.
The embodiment of the invention also provides a kind of non-touch touch-controlled electronic devices, which can
To include above-mentioned signal acquisition pcb board.
Above-mentioned non-touch touch-controlled electronic devices can be PAD, laptop, mobile phone, keyboard, mouse etc..
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
For device or system class embodiment, since it is basically similar to the method embodiment, so be described relatively simple, it is related
Place illustrates referring to the part of embodiment of the method.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (12)
1. a kind of position of touch determines method, it is applied to non-contact type touch control electronic equipment, which is characterized in that described contactless
Touch-controlled electronic devices include transmitting module for the electric signal received to be converted into optical signal and are used to receive the hair
The optical signal of module sending is penetrated, and the optical signal is converted to the receiving module of electric signal, the receiving module is receiving institute
When stating the optical signal of transmitting module sending, path channels, the touching will form between the receiving module and the transmitting module
Controlling location determining method includes:
The attribute information of detection output electric signal is unsatisfactory for the first receiving module of preset rules from the receiving module；
Obtain corresponding first transmitting module of first receiving module；
Position of touch is determined according to the path channels between first transmitting module and the first corresponding receiving module；
Wherein, the path channels according between first receiving module and the first corresponding receiving module determine touching
Control position includes: the path channels between the first transmitting module that determining every one first receiving module is corresponding respectively；It determines
The intersection point is determined as position of touch by the intersection point of each path channels；
The luminous frequency of the transmitting module is the first predeterminated frequency, and the reception frequency that the receiving module receives optical signal is the
Two predeterminated frequencies, the attribute information of the detection output electric signal from the receiving module are unsatisfactory for the first of preset rules and connect
Receiving module includes:
The third of each receiving module output electric signal is calculated according to first predeterminated frequency and second predeterminated frequency
Frequency；
The receiving module that the frequency for exporting electric signal is not the third frequency is determined as first receiving module.
2. position of touch determines method according to claim 1, which is characterized in that further include:
By the path channels between first transmitting module and the first corresponding receiving module, it is determined as position of touch.
3. determining method to 2 any position of touch according to claim 1, which is characterized in that the attribute of the electric signal is believed
Breath is the frequency of electric signal, and the attribute information of the detection output electric signal from the receiving module is unsatisfactory for preset rules
First receiving module are as follows:
Detect that the frequency of the electric signal of output is not equal to the receiving module of predeterminated frequency from the receiving module；
Receiving module by the frequency of the electric signal of the output not equal to predeterminated frequency is determined as first receiving module.
4. determining method to 2 any position of touch according to claim 1, which is characterized in that the acquisition described first connects
Receiving corresponding first transmitting module of module includes:
Determine that the frequency of the output electric signal of first receiving module is not equal to the first moment of predeterminated frequency value；
According to the corresponding relationship of preset transmitting module, moment and receiving module, determine that first receiving module exists
First moment corresponding first transmitting module.
5. a kind of position of touch determining device is applied to non-contact type touch control electronic equipment, which is characterized in that described contactless
Touch-controlled electronic devices include transmitting module for the electric signal received to be converted into optical signal and are used to receive the hair
The optical signal of module sending is penetrated, and the optical signal is converted to the receiving module of electric signal, the receiving module is receiving institute
When stating the optical signal of transmitting module sending, path channels, the touching will form between the receiving module and the transmitting module
Controlling position determining means includes:
Detection module, the attribute information for the detection output electric signal from the receiving module are unsatisfactory for the first of preset rules
Receiving module；
Module is obtained, for obtaining corresponding first transmitting module of first receiving module；
Determining module, for true according to the path channels between first transmitting module and the first corresponding receiving module
Determine position of touch；
Wherein, the determining module includes: the first determination unit, for determining that every one first receiving module is corresponding respectively
Path channels between first transmitting module；Second determination unit, for determining the intersection point of each path channels, by the intersection point
It is determined as position of touch；
The luminous frequency of the transmitting module is the first predeterminated frequency, and the reception frequency that the receiving module receives optical signal is the
Two predeterminated frequencies, the acquisition module include:
Computing unit is exported for calculating each receiving module according to first predeterminated frequency and second predeterminated frequency
The third frequency of electric signal；
4th determination unit, for not being that the receiving module of the third frequency is determined as described by the frequency for exporting electric signal
One receiving module.
6. position of touch determining device according to claim 5, which is characterized in that the determining module is also used to:
By the path channels between first transmitting module and the first corresponding receiving module, it is determined as position of touch.
7. according to any position of touch determining device of claim 5 to 6, which is characterized in that the attribute of the electric signal is believed
Breath is the frequency of the electric signal, and the detection module includes:
Detection unit, for detecting that the frequency of electric signal of output is not equal to the reception of predeterminated frequency from the receiving module
Module；
Third determination unit is determined as institute for the receiving module by the frequency of the electric signal of the output not equal to predeterminated frequency
State the first receiving module.
8. according to any position of touch determining device of claim 5-6, which is characterized in that the acquisition module further include:
5th determination unit, for determining that the frequency of output electric signal of first receiving module is not equal to predeterminated frequency value
The first moment；
6th determination unit determines institute for the corresponding relationship according to preset transmitting module, moment and receiving module
The first receiving module is stated in first moment corresponding first transmitting module.
9. a kind of signal acquisition circuit is applied to non-contact type touch control electronic equipment characterized by comprising
Transmitting module, for the electric signal received to be converted into optical signal；
The first controller being connected with the transmitting module is opened and closed for controlling the transmitting module；
At least two receiving modules, the optical signal issued for receiving the transmitting module, and the optical signal is converted into electricity
Signal, wherein any receiving module when receiving the optical signal that the transmitting module issues, can and the transmitting module it
Between form path channels；
The second controller being connected respectively at least two receiving module, for controlling at least two receiving module
It opens and closes.
10. signal acquisition circuit according to claim 9, which is characterized in that further include:
Light conduction module, for changing the transmission direction for the optical signal that the transmitting module issues, so that the receiving module
Receive the optical signal that the transmitting module issues.
11. a kind of signal acquisition pcb board is applied to non-contact type touch control electronic equipment, which is characterized in that including claim 9
To signal acquisition circuit described in claim 10.
12. a kind of non-contact type touch control electronic equipment characterized by comprising signal acquisition pcb board described in claim 11.
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| CN201310404536.5A CN104423724B (en) | 2013-09-06 | 2013-09-06 | Position of touch determines method, apparatus, circuit, pcb board and electronic equipment |
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| CN105022563A (en) * | 2015-06-30 | 2015-11-04 | 上海斐讯数据通信技术有限公司 | System of non-contacting terminal screen and method for acquiring non-contacting operation |
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| CN101876867B (en) * | 2009-04-29 | 2012-04-04 | 瑞鼎科技股份有限公司 | Optical type touch device and operating method thereof |
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| CN202533910U (en) * | 2012-03-26 | 2012-11-14 | 深圳市中银科技有限公司 | Multipoint infrared touch screen |
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| CN101075168A (en) * | 2007-06-22 | 2007-11-21 | 北京汇冠新技术有限公司 | Method for discriminating multiple points on infrared touch screen |
| CN102171637A (en) * | 2008-08-07 | 2011-08-31 | O·德拉姆 | Method and apparatus for detecting a multitouch event in an optical touch-sensitive device |
| CN102138118A (en) * | 2008-08-29 | 2011-07-27 | 夏普株式会社 | Coordinate sensor, electronic device, display device, and light-receiving unit |
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