CN105528168B - A kind of recognition methods and device - Google Patents
A kind of recognition methods and device Download PDFInfo
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- CN105528168B CN105528168B CN201410515918.XA CN201410515918A CN105528168B CN 105528168 B CN105528168 B CN 105528168B CN 201410515918 A CN201410515918 A CN 201410515918A CN 105528168 B CN105528168 B CN 105528168B
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Abstract
There is provided a kind of recognition methods, which comprises control the supersonic generator transmitting ultrasonic wave, and record the first moment that the supersonic generator launches ultrasonic wave；Ultrasonic wave is received by the multiple acoustic receiver, and records multiple second moment that the multiple acoustic receiver receives ultrasonic wave；It is set by the seat in the plane of holding that first moment and the multiple second moment obtain operating body；And according to the attribute held seat in the plane and set the determining operating body.The left and right hand-held set provided by the invention for being applied to a handheld device knows method for distinguishing, enabling to handheld device both has left and right hand-held set identification function, and the identification function will not be influenced by shell material, so that the single-hand handling & machine operating function of handheld device becomes more efficiently and practical, the usage experience of user is improved.
Description
Technical field
The present invention relates to a kind of recognition methods and devices, more specifically to a kind of left and right applied to handheld device
The method and apparatus of hand-held set identification.
Background technique
Currently, intelligent handheld device screen enlarging is a kind of trend, and the user experience is improved for screen enlarging, is brought very to user
The new impression of more visual aspects, but as screen is increasing, when one hand holds machine, single finger is increasingly difficult to touch screen
A series of curtain whole region, so realizing that applications become more and more for a user by distinguishing to left and right hand-held set
It is practical.And traditional handheld device does not distinguish right-hand man's manipulation, but the machine mode of holding of user but divides into left hand-held set and the right side
Hand-held set, current handheld device are designed and developed according to right hand-held set mostly in terms of operating with button design, minority habit
It will be very inconvenient using such system in the user of left hand-held set.In order to better solve this problem, it is desirable to provide energy
Judge the handheld device that the right-hand man of user uses, provides different operation and key for the user of left hand or right hand-held set
Design, then can bring better usage experience to user.In addition, existing left and right hand-held set identifying schemes are passed using capacitor mostly
Sensor, but for the handheld device of metal rear shell, traditional capacitance sensor can not work.
Therefore, how to make handheld device both has left and right hand-held set identification function, and the identification function will not
It is influenced by shell material, so that the single-hand handling & machine operating function of handheld device becomes more efficiently and practical, improves user's
Usage experience is current urgent problem to be solved.
Summary of the invention
In order to solve above-mentioned technical problem in the prior art, according to an aspect of the present invention, a kind of identification is provided
Method, which comprises control the supersonic generator transmitting ultrasonic wave, and record the supersonic generator and launch
First moment of ultrasonic wave；Ultrasonic wave is received by the multiple acoustic receiver, and records the multiple acoustic receiver and connects
Receive multiple second moment of ultrasonic wave；By first moment and the multiple second moment obtain operating body hold seat in the plane
It sets；And according to the attribute held seat in the plane and set the determining operating body.
In addition, according to one embodiment of present invention, wherein at least one acoustic receiver in the multiple acoustic receiver
The first position of the handheld device is arranged in device, and.At least one acoustic receiver is set in the multiple acoustic receiver
It sets in the second position of the handheld device, the first position and the second position respectively close to two opposite ends.
In addition, according to one embodiment of present invention, wherein obtained by first moment and the multiple second moment
The seat in the plane of holding of the operating body sets and further comprises: calculated according to first moment and the multiple second moment described
Space length in each of the multiple sub-operation bodies and the multiple acoustic receiver of operating body, is obtained according to the space length
Obtain the position distribution of the multiple sub-operation body.
In addition, according to one embodiment of present invention, wherein set the determining operating body in the seat in the plane of holding according to
Attribute further comprises: when it is described hold seat in the plane set show that there are sub-operation body in the two sides of the handheld device when, judge the hand
The sub-operation body quantity of the two sides of holding equipment, if the sub-operation body quantity of the first side of the handheld device is than the son of second side
Operating body quantity is more, then the attribute of the operating body is the first attribute；If the sub-operation body of the first side of the handheld device
Quantity is fewer than the sub-operation body quantity of second side, then the attribute of the operating body is the second attribute；When it is described hold seat in the plane and set show
When the handheld device only has side to have sub-operation body, if the second side of the sub-operation body in the handheld device, institute
The attribute for stating operating body is the first attribute, if the sub-operation body is in the first side of the handheld device, the operating body
Attribute be the second attribute.
In addition, according to one embodiment of present invention, wherein set the determining operating body in the seat in the plane of holding according to
Attribute further comprises: according to it is described hold seat in the plane and set obtain multiple sub-operation bodies of the operating body and connecing for the handheld device
Contacting surface product and distribution of shapes, so that it is determined that the attribute of the operating body, comprising: if it is described hold seat in the plane and set show the operating body
It is greater than the operating body in second side of handheld device in the first side of handheld device and the contact area of handheld device and holds
The contact area of equipment, and the operating body is not connect in the first side of the handheld device and the contact area of handheld device
Continuous region, then the attribute of the operating body is the first attribute；And if it is described hold seat in the plane and set show the operating body hand-held
The contact area of second side of equipment and handheld device is greater than first side and handheld device of the operating body in handheld device
Contact area, and the operating body is locus of discontinuity in second side of the handheld device and the contact area of handheld device
Domain, then the attribute of the operating body is secondary.
According to another aspect of the present invention, a kind of identification device is provided, a handheld device, the handheld device tool are applied to
There are supersonic generator and multiple acoustic receivers, described device includes: generating unit, controls the supersonic generator transmitting
Ultrasonic wave, and record the first moment that the supersonic generator launches ultrasonic wave；Receiving unit passes through the multiple sound wave
Receiver receives ultrasonic wave, and records multiple second moment that the multiple acoustic receiver receives ultrasonic wave；Position testing unit
Member is set by the seat in the plane of holding that first moment and the multiple second moment obtain operating body；Attribute determining unit is used for root
According to the attribute held seat in the plane and set the determining operating body.
In addition, according to one embodiment of present invention, wherein at least one acoustic receiver in the multiple acoustic receiver
The first position of the handheld device is arranged in device, and.At least one acoustic receiver is set in the multiple acoustic receiver
It sets in the second position of the handheld device, the first position and the second position are respectively close to two opposite ends.
In addition, according to one embodiment of present invention, wherein the position detection unit is further used for: according to described
First moment and the multiple second moment calculate the multiple sub-operation bodies and the multiple acoustic receiver of the operating body
In each of space length, the position distribution of the multiple sub-operation body is obtained according to the space length.
In addition, according to one embodiment of present invention, wherein the attribute determining unit is further used for: when institute's rheme
The seat in the plane of holding for setting detection unit acquisition is set when showing that there are sub-operation body in the two sides of the handheld device, judges the handheld device
Two sides sub-operation body quantity, if the sub-operation body quantity of the first side of the handheld device is than the sub-operation body of second side
Quantity is more, then the attribute determining unit determines that the attribute of the operating body is the first attribute；If the of the handheld device
The sub-operation body quantity of side is fewer than the sub-operation body quantity of second side, then the attribute determining unit determines the operating body
Attribute is the second attribute；When the seat in the plane of holding that the position detection unit obtains sets and shows that the handheld device only has side to have sub- behaviour
When making body, if the sub-operation body, in second side of the handheld device, the attribute determining unit determines the operation
The attribute of body is the first attribute, if the sub-operation body is in the first side of the handheld device, the attribute determining unit
The attribute for determining the operating body is the second attribute.
In addition, according to one embodiment of present invention, wherein the attribute determining unit is further used for: according to described
Set the contact surface for obtaining multiple the sub-operation bodies and the handheld device of the operating body in the seat in the plane of holding that position detection unit obtains
Long-pending and distribution of shapes, so that it is determined that the attribute of the operating body, comprising: if the seat in the plane of holding that the position detection unit obtains is set
Show that the operating body is greater than the operating body in handheld device in the first side of handheld device and the contact area of handheld device
Second side and handheld device contact area, and first side and handheld device of the operating body in the handheld device
Contact area is discontinuity zone, then the attribute determining unit determines that the attribute of the operating body is the first attribute；And such as
What position detection unit described in fruit obtained, which hold seat in the plane and set, shows the operating body in second side and handheld device of handheld device
Contact area is greater than the operating body in the first side of handheld device and the contact area of handheld device, and the operating body exists
Second side of the handheld device and the contact area of handheld device are discontinuity zone, then the attribute determining unit determines institute
It is secondary for stating the attribute of operating body.
According to another aspect of the present invention, a kind of handheld device is provided, comprising: supersonic generator, for emitting ultrasound
Wave；Multiple acoustic receivers, for receiving ultrasonic wave；And identification device, the attribute of operating body for identification, comprising: occur
Unit controls the supersonic generator transmitting ultrasonic wave, and records the supersonic generator launches ultrasonic wave first
Moment；Receiving unit receives ultrasonic wave by the multiple acoustic receiver, and records the multiple acoustic receiver and receive and surpass
Multiple second moment of sound wave；Position detection unit obtains the behaviour by first moment and the multiple second moment
It sets the seat in the plane of holding for making body；And attribute determining unit, the attribute of the determining operating body is set for holding seat in the plane according to.
In addition, according to one embodiment of present invention, wherein at least one acoustic receiver in the multiple acoustic receiver
The first position of the handheld device is arranged in device；Also, at least one acoustic receiver is set in the multiple acoustic receiver
It sets in the second position of the handheld device, the first position and the second position respectively close to two opposite ends.
In addition, according to one embodiment of present invention, wherein the position detection unit is further used for: according to described
First moment and the multiple second moment calculate the multiple sub-operation bodies and the multiple acoustic receiver of the operating body
In each of space length, the position distribution of the multiple sub-operation body is obtained according to the space length.
In addition, according to one embodiment of present invention, wherein the attribute determining unit is further used for: when institute's rheme
The seat in the plane of holding for setting detection unit acquisition is set when showing that there are sub-operation body in the two sides of the handheld device, judges the handheld device
Two sides sub-operation body quantity, if the sub-operation body quantity of the first side of the handheld device is than the sub-operation body of second side
Quantity is more, then the attribute determining unit determines that the attribute of the operating body is the first attribute；If the of the handheld device
The sub-operation body quantity of side is fewer than the sub-operation body quantity of second side, then the attribute determining unit determines the operating body
Attribute is the second attribute；When the seat in the plane of holding that the position detection unit obtains sets and shows that the handheld device only has side to have sub- behaviour
When making body, if the sub-operation body, in second side of the handheld device, the attribute determining unit determines the operation
The attribute of body is the first attribute, if the sub-operation body is in the first side of the handheld device, the attribute determining unit
The attribute for determining the operating body is the second attribute.
In addition, according to one embodiment of present invention, wherein the attribute determining unit is further used for: according to described
Set the contact surface for obtaining multiple the sub-operation bodies and the handheld device of the operating body in the seat in the plane of holding that position detection unit obtains
Long-pending and distribution of shapes, so that it is determined that the attribute of the operating body, comprising: if the seat in the plane of holding that the position detection unit obtains is set
Show that the operating body is greater than the operating body in handheld device in the first side of handheld device and the contact area of handheld device
Second side and handheld device contact area, and first side and handheld device of the operating body in the handheld device
Contact area is discontinuity zone, then the attribute determining unit determines that the attribute of the operating body is the first attribute；And such as
What position detection unit described in fruit obtained, which hold seat in the plane and set, shows the operating body in second side and handheld device of handheld device
Contact area is greater than the operating body in the first side of handheld device and the contact area of handheld device, and the operating body exists
Second side of the handheld device and the contact area of handheld device are discontinuity zone, then the attribute determining unit determines institute
It is secondary for stating the attribute of operating body.
It can be seen that the method and apparatus of the left and right hand-held set identification provided by the invention for being applied to a handheld device can
So that handheld device had both had left and right hand-held set identification function, and the identification function will not be influenced by shell material, so that
The single-hand handling & machine operating function of handheld device becomes more efficiently and practical, improves the usage experience of user.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, making below by required in the description to embodiment
Attached drawing is briefly described.The accompanying drawings in the following description is only exemplary embodiment of the present invention:
Fig. 1 shows the left and right hand-held set according to an embodiment of the present invention for being applied to a handheld device and knows method for distinguishing 100
Flow chart；
Fig. 2 shows the devices 200 of the left and right hand-held set identification according to an embodiment of the present invention for being applied to a handheld device
Exemplary block diagram；
Fig. 3 shows the demonstration of the handheld device 300 according to an embodiment of the present invention with left and right hand-held set identification function
Property structural block diagram.
Specific embodiment
Hereinafter, by preferred embodiments of the present invention will be described in detail with reference to the annexed drawings.Note that in the specification and drawings
In, there is substantially the same step and element to be denoted by the same reference numerals, and to the repetition solution of these steps and element
Releasing will be omitted.
Mentioned " one embodiment " or " embodiment " means to be retouched in conjunction with the embodiment this specification in the whole text
The a particular feature, structure, or characteristic stated is contained at least one described embodiment.Therefore, in the description phrase " one
In a embodiment " or " in one embodiment " appearance may not all only band the same embodiment.In addition, the special characteristic, knot
Structure or characteristic can be combined in any suitable manner in one or more embodiments.
The right-hand man according to an embodiment of the invention for being applied to a handheld device is described next, with reference to Fig. 1
It holds machine and knows method for distinguishing.Left and right hand-held set knowledge method for distinguishing according to an embodiment of the present invention can be applied to a portable hand-held and set
It is standby.The portable handheld device mobile phone, tablet computer etc..Fig. 1 shows application according to an embodiment of the present invention
The flow chart of method for distinguishing 100 is known in the left and right hand-held set of a handheld device, wherein is provided with ultrasonic wave in the handheld device
Generator and multiple acoustic receivers.In one embodiment of the invention, the multiple acoustic receiver is set as not same
On straight line, and the quantity of the multiple acoustic receiver is at least three.As shown in Figure 1, being applied to a handheld device
Left and right hand-held set know method for distinguishing 100 at least may comprise steps of.
In step s 110, the supersonic generator transmitting ultrasonic wave is controlled, and records the supersonic generator hair
Project the first moment of ultrasonic wave.Generally, the sound frequency that people can hear is 20Hz~20kHz, as audible sound,
Sound beyond this frequency range, i.e. 20Hz sound below are known as low-frequency sound wave, and the sound of 20kHz or more is known as ultrasonic wave.
The frequency range for the ultrasonic wave that supersonic generator is emitted typically has 23-48Hz.In an embodiment of the present invention, surpass
Sonic generator can be set in the upper surface of the handheld device, and can be to the sky above the plane where handheld device
Between all directions emit ultrasonic wave.
In the step s 120, ultrasonic wave is received by the multiple acoustic receiver, and records the multiple acoustic receiver
Multiple second moment of device reception ultrasonic wave.Specifically, at least one acoustic receiver can be in the multiple acoustic receiver
The first position of the handheld device is set；Also, at least one acoustic receiver can be in the multiple acoustic receiver
The second position of the handheld device is set, and the first position and the second position can be opposite respectively close to two
End.For example, in one embodiment of the invention, an acoustic receiver can be arranged in the upper half of the handheld device
Point；And an acoustic receiver can be set in the lower half portion of the handheld device.In one embodiment of the present of invention
In, an acoustic receiver is arranged in the top edge of the handheld device；And an acoustic receiver can be set
In the lower edge of the handheld device.
In step s 130, operating body can be obtained by first moment and the multiple second moment holds seat in the plane
It sets.Wherein it is possible to calculate multiple sub-operation bodies of the operating body according to first moment and the multiple second moment
With space length in each of the multiple acoustic receiver, the multiple sub-operation body is obtained according to the space length
Position distribution.Emit ultrasonic wave to all directions specifically, can control supersonic generator, and records ultrasonic wave transmitting
The emission time of ultrasonic wave can be anti-when the ultrasonic wave of different directions is propagated in air and encounters user and hold the finger of machine
It is mapped to each different acoustic receiver, when each acoustic receiver receives the ultrasonic wave reflected, can recorde each
Receiver receives time of reception when ultrasonic wave, since the aerial spread speed of ultrasonic wave is 340m/s, according to above-mentioned hair
Penetrate the moment and the propagation time of multiple ultrasonic waves that multiple times of reception obtain, so that it may calculate the ultrasonic wave of different directions
Then the length of each propagation path can calculate the finger to each sound according to the length of each propagation path of ultrasonic wave
The distance of wave receiver can obtain the finger of user according to the finger that user holds machine at a distance from each acoustic receiver
Seat in the plane of holding set.Similarly, available user holds each other positions that other fingers of machine are contacted with handheld device, by
This, available user holds the position distribution of each finger of machine.
In step S140, according to the attribute held seat in the plane and set the determining operating body.Specifically, of the invention one
In a embodiment, when it is described hold seat in the plane set show that there are sub-operation body in the two sides of the handheld device when, judge described hand-held set
The sub-operation body quantity of standby two sides, if the sub-operation body quantity of the first side of the handheld device is than the sub-operation of second side
Body quantity is more, then the attribute of the operating body is the first attribute；If the sub-operation body quantity of the first side of the handheld device
Fewer than the sub-operation body quantity of second side, then the attribute of the operating body is the second attribute；When it is described hold seat in the plane set show it is described
When handheld device only has side to have sub-operation body, if the sub-operation body is in second side of the handheld device, the behaviour
The attribute for making body is the first attribute, if the sub-operation body is in the first side of the handheld device, the category of the operating body
Property be the second attribute.For example, user's finger can be determined in hand according to the position distribution that obtained user holds each finger of machine
When holding equipment two sides, it can be determined that the quantity of the finger of the user of the two sides of handheld device, if the hand in the left side of handheld device
The quantity of finger is more than the quantity of the finger on the right side of handheld device, then may determine that user is with right hand-held set；If hand-held set
The quantity of the finger on standby right side is more than the quantity of the finger in the left side of handheld device, then may determine that user is held with left hand
Machine.In another example of the invention, the position distribution that each finger of machine is held according to obtained user can determine user
Finger is at the side of handheld device, if the finger of user may determine that user is to use only in the left side of handheld device
Right hand-held set；If the finger of user may determine that user is with left hand-held set only on the right side of handheld device.
In another embodiment of the present invention, can according to it is described hold seat in the plane and set obtain multiple sub- behaviour of the operating body
Make the contact area and distribution of shapes of body Yu the handheld device, if so that it is determined that the attribute of the operating body is described to hold seat in the plane
It sets and shows that the operating body is greater than the operating body in the first side of handheld device and the contact area of handheld device and sets hand-held
The contact area of standby second side and handheld device, and the operating body is in the first side of the handheld device and handheld device
Contact area be discontinuity zone, then the attribute of the operating body be the first attribute；And if it is described hold seat in the plane and set show
The operating body is greater than the operating body the of handheld device in second side of handheld device and the contact area of handheld device
The contact area of side and handheld device, and the operating body is in second side of the handheld device and the contact of handheld device
Region is discontinuity zone, then the attribute of the operating body is secondary.For example, if holding each of machine according to obtained user
The position distribution of finger can determine that user hand is greater than the hand of user in the left side of handheld device and the contact area of handheld device
In the right side of handheld device and the contact area of handheld device, and left side and handheld device of the hand of user in handheld device
Contact area is discontinuous region, then may determine that user uses right hand-held set；On the other hand, if according to obtained user
The position distribution for holding each finger of machine can determine that user hand is big on the right side of handheld device and the contact area of handheld device
In user hand in the left side of handheld device and the contact area of handheld device, and the hand of user handheld device right side with
The contact area of handheld device is discontinuous region, then may determine that user uses left hand-held set.
It can be seen that the left and right hand-held set provided by the invention for being applied to a handheld device, which knows method for distinguishing 100, to be made
Obtaining handheld device had both had left and right hand-held set identification function, and the identification function will not be influenced by shell material, make to go smoothly
The single-hand handling & machine operating function of holding equipment becomes more efficiently and practical, improves the usage experience of user.
In the following, describing the left and right hand-held set according to an embodiment of the invention for being applied to a handheld device referring to Fig. 2
The device 200 of identification.The device of hand-held set identification in left and right according to an embodiment of the present invention can be applied to a portable hand-held and set
It is standby.The portable handheld device mobile phone, tablet computer etc..Fig. 2 shows applications according to an embodiment of the present invention
In the exemplary block diagram for the device 200 that the left and right hand-held set of a handheld device identifies, wherein be arranged in the handheld device
There are supersonic generator and multiple acoustic receivers.In one embodiment of the invention, the multiple acoustic receiver setting
To be not arranged on the same straight line, and the quantity of the multiple acoustic receiver is at least three.As shown, the right-hand man
The device 200 for holding machine identification may include: generating unit 210, receiving unit 220, position detection unit 230, the determining list of attribute
Member 240.
Specifically, generating unit 210 can be arranged to control the supersonic generator transmitting ultrasonic wave, and record institute
State the first moment that supersonic generator launches ultrasonic wave.Specifically, in one embodiment of the invention, generating unit
210 frequency ranges that usually can control the ultrasonic wave that supersonic generator is emitted are to have 23-48Hz.In implementation of the invention
In example, supersonic generator be can be set in the upper surface of the handheld device, and can be to the plane where handheld device
The all directions in the space of top emit ultrasonic wave.
Receiving unit 220 can be arranged to receive ultrasonic wave by the multiple acoustic receiver, and record described more
A acoustic receiver receives multiple second moment of ultrasonic wave.Specifically, at least one sound wave in the multiple acoustic receiver
Receiver can be set in the first position of the handheld device；Also, at least one sound wave in the multiple acoustic receiver
Receiver can be set in the second position of the handheld device, and the first position and the second position can be respectively close to
Two opposite ends.For example, in one embodiment of the invention, an acoustic receiver setting can be set in described hold
Standby top half；And an acoustic receiver can be set in the lower half portion of the handheld device.Of the invention
In one embodiment, an acoustic receiver is arranged in the top edge of the handheld device；And by an acoustic receiver
The lower edge in the handheld device can be set in device.
Position detection unit 230 can be arranged to be grasped by first moment and the multiple second moment
It sets the seat in the plane of holding for making body.Wherein it is possible to calculate the operating body according to first moment and the multiple second moment
Space length in each of multiple sub-operation bodies and the multiple acoustic receiver obtains described more according to the space length
The position distribution of a sub- operating body.Specifically, as described above, generating unit 210 can control supersonic generator to each
Direction emit ultrasonic wave, and record ultrasonic wave transmitting ultrasonic wave emission time, when different directions ultrasonic wave in air
When propagation encounters user and holds the finger of machine, each different acoustic receiver can be reflected to, when receiving unit 220 pass through it is each
When a acoustic receiver receives the ultrasonic wave reflected, time of reception when each receiver receives ultrasonic wave can recorde,
According to the aerial spread speed of ultrasonic wave and the propagation time of the received multiple ultrasonic waves of each receiver, position detection
Unit 230 can calculate the length of each propagation path of the ultrasonic wave of different directions, then according to each of ultrasonic wave
The length of propagation path, position detection unit 230 can calculate the finger to the distance of each acoustic receiver, according to user
It sets the seat in the plane of holding for the finger that the finger for holding machine can obtain user at a distance from each acoustic receiver.It similarly, can be with
It obtains user and holds each other positions that other fingers of machine are contacted with handheld device, position detection unit 230 can obtain as a result,
The position distribution of each finger of machine is held to user.
Attribute determining unit 240 can be arranged to hold the attribute that the determining operating body is set in seat in the plane according to.Specifically
Ground, in one embodiment of the invention, when the seat in the plane of holding that the position detection unit 230 obtains sets and shows the handheld device
Two sides when having sub-operation body, attribute determining unit 240 may determine that the sub-operation body quantity of the two sides of the handheld device,
If the sub-operation body quantity of the first side of the handheld device is more than the sub-operation body quantity of second side, attribute determining unit
240 can determine that the attribute of the operating body is the first attribute；If the sub-operation body quantity of the first side of the handheld device
Fewer than the sub-operation body quantity of second side, then attribute determining unit 240 can determine that the attribute of the operating body is the second attribute.
In another embodiment of the present invention, when the seat in the plane of holding that the position detection unit 230 obtains sets and shows the handheld device
When only there is sub-operation body in side, if the sub-operation body is in second side of the handheld device, attribute determining unit 240
The attribute that can determine the operating body is the first attribute, if the sub-operation body in the first side of the handheld device,
Attribute determining unit 240 can determine that the attribute of the operating body is the second attribute.
For example, can be determined according to the position distribution that the user obtained of position detection unit 230 holds each finger of machine
For user's finger at handheld device two sides, then attribute determining unit 240 may determine that the finger of the user of the two sides of handheld device
Quantity, if the quantity of the finger in the left side of handheld device is more than the quantity of the finger on the right side of handheld device, attribute is true
Order member 240 may determine that user is with right hand-held set；If the quantity of the finger on the right side of handheld device is than handheld device
The quantity of the finger in left side is more, then attribute determining unit 240 may determine that user is with left hand-held set.In another of the invention
In example, user hand can be determined according to the position distribution that the user obtained of position detection unit 230 holds each finger of machine
Refer to only at the side of handheld device, if the finger of user, only in the left side of handheld device, attribute determining unit 240 can be with
Judge that user is with right hand-held set；If the finger of user is only on the right side of handheld device, attribute determining unit 240 can be sentenced
Disconnected user is with left hand-held set.
In another embodiment of the present invention, the attribute determining unit is further used for: according to the position detection
What unit 230 obtained holds contact area and shape that the multiple sub-operation bodies and the handheld device that obtain the operating body are set in seat in the plane
Shape distribution, so that it is determined that the attribute of the operating body.If what the position detection unit 230 obtained hold seat in the plane set show it is described
Operating body is greater than the operating body in second side of handheld device in the first side of handheld device and the contact area of handheld device
With the contact area of handheld device, and the operating body is in the first side of the handheld device and the contact area of handheld device
For discontinuity zone, then attribute determining unit 240 may determine that the attribute of the operating body is the first attribute；And it is if described
What position detection unit 230 obtained, which hold seat in the plane, sets and shows the operating body in second side of handheld device and the contact of handheld device
Area is greater than the operating body in the first side of handheld device and the contact area of handheld device, and the operating body is described
Second side of handheld device and the contact area of handheld device are discontinuity zone, then attribute determining unit 240 may determine that institute
It is secondary for stating the attribute of operating body.For example, if holding each finger of machine according to the obtained user of position detection unit 230
Position distribution can determine that user hand is greater than the hand of user hand-held in the left side of handheld device and the contact area of handheld device
The right side of equipment and the contact area of handheld device, and the hand of user is in the left side of handheld device and the contact zone of handheld device
Domain is discontinuous region, then attribute determining unit 240 may determine that user uses right hand-held set；On the other hand, if according to
The position distribution that the obtained user of position detection unit 230 holds each finger of machine can determine user hand on the right side of handheld device
The contact area of side and handheld device is greater than the hand of user in the left side of handheld device and the contact area of handheld device, and uses
The hand at family is discontinuous region on the right side of handheld device and the contact area of handheld device, then attribute determining unit 240 can
To judge that user uses left hand-held set.
It can be seen that the device 200 of the left and right hand-held set identification provided by the invention for being applied to a handheld device can make
Obtaining handheld device had both had left and right hand-held set identification function, and the identification function will not be influenced by shell material, make to go smoothly
The single-hand handling & machine operating function of holding equipment becomes more efficiently and practical, improves the usage experience of user.
In addition, another aspect of the present invention additionally provides a kind of handheld device 300 with left and right hand-held set identification function.Figure
3 show the exemplary block diagram of the handheld device 300 with left and right hand-held set identification function according to embodiments of the present invention.Such as
Shown in figure, handheld device 300 may include supersonic generator 310, multiple acoustic receivers 320 and identification device 330.
Specifically, supersonic generator 310 can be used for emitting ultrasonic wave.Generally, the sound audio that people can hear
Rate is 20Hz~20kHz, as audible sound, and the sound beyond this frequency range, the i.e. sound of 20kHz or more are known as ultrasound
Wave.The frequency range for the ultrasonic wave that supersonic generator 310 is emitted typically has 23-48Hz.In implementation of the invention
In example, supersonic generator 310 be can be set in the upper surface of the handheld device 300, and can be to 300 institute of handheld device
Plane above space all directions emit ultrasonic wave.
Multiple acoustic receivers 320, can be used for receiving ultrasonic wave.Specifically, in the multiple acoustic receiver 320 extremely
A few acoustic receiver can be set in the first position of the handheld device；Also, in the multiple acoustic receiver 320
At least one acoustic receiver can be set in the second position of the handheld device, the first position and the second position
It can be respectively close to two opposite ends.For example, in one embodiment of the invention, an acoustic receiver can be arranged
In the top half of the handheld device；And an acoustic receiver can be set in the lower half of the handheld device
Point.In one embodiment of the invention, an acoustic receiver is arranged in the top edge of the handheld device；And it will
The lower edge in the handheld device can be set in one acoustic receiver.
Identification device 330, can be arranged to the attribute of operating body for identification, and the identification device 330 can be into one
Step includes: generating unit 210, receiving unit 220, position detection unit 230 and attribute determining unit 240.
Specifically, generating unit 210 can be arranged to control the supersonic generator transmitting ultrasonic wave, and record institute
State the first moment that supersonic generator launches ultrasonic wave.Receiving unit 220 can be arranged to through the multiple sound wave
Receiver receives ultrasonic wave, and records multiple second moment that the multiple acoustic receiver receives ultrasonic wave.
Position detection unit 230 can be arranged to be grasped by first moment and the multiple second moment
It sets the seat in the plane of holding for making body.Wherein it is possible to calculate the operating body according to first moment and the multiple second moment
Space length in each of multiple sub-operation bodies and the multiple acoustic receiver obtains described more according to the space length
The position distribution of a sub- operating body.
Attribute determining unit 240 can be arranged to hold the attribute that the determining operating body is set in seat in the plane according to.Specifically
Ground, in one embodiment of the invention, when the seat in the plane of holding that the position detection unit 230 obtains sets and shows the handheld device
Two sides when having sub-operation body, attribute determining unit 240 may determine that the sub-operation body quantity of the two sides of the handheld device,
If the sub-operation body quantity of the first side of the handheld device is more than the sub-operation body quantity of second side, attribute determining unit
240 can determine that the attribute of the operating body is the first attribute；If the sub-operation body quantity of the first side of the handheld device
Fewer than the sub-operation body quantity of second side, then attribute determining unit 240 can determine that the attribute of the operating body is the second attribute.
In another embodiment of the present invention, when the seat in the plane of holding that the position detection unit 230 obtains sets and shows the handheld device
When only there is sub-operation body in side, if the sub-operation body is in second side of the handheld device, attribute determining unit 240
The attribute that can determine the operating body is the first attribute, if the sub-operation body in the first side of the handheld device,
Attribute determining unit 240 can determine that the attribute of the operating body is the second attribute.
In another embodiment of the present invention, the attribute determining unit is further used for: according to the position detection
What unit 230 obtained holds contact area and shape that the multiple sub-operation bodies and the handheld device that obtain the operating body are set in seat in the plane
Shape distribution, so that it is determined that the attribute of the operating body.If what the position detection unit 230 obtained hold seat in the plane set show it is described
Operating body is greater than the operating body in second side of handheld device in the first side of handheld device and the contact area of handheld device
With the contact area of handheld device, and the operating body is in the first side of the handheld device and the contact area of handheld device
For discontinuity zone, then attribute determining unit 240 may determine that the attribute of the operating body is the first attribute；And it is if described
What position detection unit 230 obtained, which hold seat in the plane, sets and shows the operating body in second side of handheld device and the contact of handheld device
Area is greater than the operating body in the first side of handheld device and the contact area of handheld device, and the operating body is described
Second side of handheld device and the contact area of handheld device are discontinuity zone, then attribute determining unit 240 may determine that institute
It is secondary for stating the attribute of operating body.
It can be seen that handheld device 300 provided by the invention both has left and right hand-held set identification function, and the identification function
It can will not be influenced by shell material, so that the single-hand handling & machine operating function of handheld device becomes more efficiently and practical, be improved
The usage experience of user.
It should be noted that in the present specification, the terms "include", "comprise" or its any other variant are intended to
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.
Finally, it is to be noted that, it is above-mentioned it is a series of processing not only include with sequence described here in temporal sequence
The processing of execution, and the processing including executing parallel or respectively rather than in chronological order.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required hardware platform to realize, naturally it is also possible to all be implemented by hardware.Based on this understanding,
Technical solution of the present invention can be embodied in the form of software products in whole or in part to what background technique contributed,
The computer software product can store in storage medium, such as ROM/RAM, magnetic disk, CD, including some instructions are to make
It obtains a computer equipment (can be personal computer, server or the network equipment etc.) and executes each embodiment of the present invention
Or method described in certain parts of embodiment.
In embodiments of the present invention, units/modules can use software realization, to be executed by various types of processors.
For example, the executable code module of a mark may include the one or more physics or logic of computer instruction
Block, for example, it can be built as object, process or function.Nevertheless, the executable code of institute's mark module is not necessarily to
It is physically located together, but may include the different instructions being stored in different positions, combined when in these command logics
When together, Component units/module and the regulation purpose for realizing the units/modules.
When units/modules can use software realization, it is contemplated that the level of existing hardware technique, it is possible to software
The units/modules of realization, without considering the cost, those skilled in the art can build corresponding hardware circuit
Realize corresponding function, the hardware circuit includes conventional ultra-large integrated (VLSI) circuit or gate array and such as
The existing semiconductor of logic chip, transistor etc either other discrete elements.Module can also be set with programmable hardware
Standby, field programmable gate array, programmable logic array, programmable logic device etc. are realized.
The present invention is described in detail above, specific case used herein is to the principle of the present invention and embodiment party
Formula is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas；Meanwhile it is right
In those of ordinary skill in the art, according to the thought of the present invention, change is had in specific embodiments and applications
Place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (15)
1. a kind of recognition methods, is applied to a handheld device, there is the handheld device supersonic generator and multiple sound waves to connect
Receive device, which comprises
When controlling supersonic generator transmitting ultrasonic wave, and recording the supersonic generator and launch the first of ultrasonic wave
It carves；
Ultrasonic wave is received by the multiple acoustic receiver, and records the multiple acoustic receiver and receives the multiple of ultrasonic wave
Second moment；
It is set by the seat in the plane of holding that first moment and the multiple second moment obtain operating body；And
According to the quantity of multiple sub-operation bodies of the operating body of the two sides of handheld device or the multiple sub-operation body in institute
State the specific location of handheld device or according to the contact area and distribution of shapes of the multiple sub-operation body and handheld device come really
The attribute of the fixed operating body.
2. recognition methods as described in claim 1, wherein at least one acoustic receiver is set in the multiple acoustic receiver
It sets in the first position of the handheld device；Also, the setting of at least one acoustic receiver exists in the multiple acoustic receiver
The second position of the handheld device, the first position and the second position are respectively close to two opposite ends.
3. recognition methods as described in claim 1, wherein obtain institute by first moment and the multiple second moment
It sets and further comprises in the seat in the plane of holding for stating operating body: the operation is calculated according to first moment and the multiple second moment
Space length in each of the multiple sub-operation bodies and the multiple acoustic receiver of body obtains institute according to the space length
State the position distribution of multiple sub-operation bodies.
4. recognition methods as described in claim 1, wherein the multiple sub-operation body of the two sides according to handheld device
Quantity or the multiple sub-operation body the attribute of the operating body is determined in the specific location of the handheld device, comprising:
When it is described hold seat in the plane set show that there are sub-operation body in the two sides of the handheld device when, judge the son of the two sides of the handheld device
Operating body quantity, if the sub-operation body quantity of the first side of the handheld device is more than the sub-operation body quantity of second side,
The attribute of the operating body is the first attribute；If the sub-operation body quantity of the first side of the handheld device is than the son of second side
Operating body quantity is few, then the attribute of the operating body is the second attribute；When it is described hold seat in the plane and set show that the handheld device only has
When there is sub-operation body in side, if the sub-operation body, in second side of the handheld device, the attribute of the operating body is
First attribute, if the sub-operation body, in the first side of the handheld device, the attribute of the operating body is the second attribute.
5. recognition methods as described in claim 1, the contact according to the multiple sub-operation body and the handheld device
Area and distribution of shapes determine the attribute of the operating body, comprising:
If it is described hold seat in the plane and set show that the operating body is greater than in the first side of handheld device and the contact area of handheld device
The operating body is in second side of handheld device and the contact area of handheld device, and the operating body is in the handheld device
The first side and handheld device contact area be discontinuity zone, then the attribute of the operating body be the first attribute；And
If it is described hold seat in the plane and set show that the operating body is greater than in second side of handheld device and the contact area of handheld device
The operating body is in the first side of handheld device and the contact area of handheld device, and the operating body is in the handheld device
Second side and handheld device contact area be discontinuity zone, then the attribute of the operating body be it is secondary.
6. a kind of identification device, is applied to a handheld device, there is the handheld device supersonic generator and multiple sound waves to connect
Device is received, described device includes:
Generating unit controls the supersonic generator transmitting ultrasonic wave, and records the supersonic generator and launch ultrasound
First moment of wave；
Receiving unit receives ultrasonic wave by the multiple acoustic receiver, and records the multiple acoustic receiver and receive and surpass
Multiple second moment of sound wave；
Position detection unit is set by the seat in the plane of holding that first moment and the multiple second moment obtain operating body；And
Attribute determining unit, for according to the quantity of multiple sub-operation bodies of the operating bodies of the two sides of handheld device or described
Specific location of multiple sub-operation bodies in the handheld device or the contact surface according to the multiple sub-operation body and handheld device
Long-pending and distribution of shapes determines the attribute of the operating body.
7. identification device as claimed in claim 6, wherein at least one acoustic receiver is set in the multiple acoustic receiver
It sets in the first position of the handheld device；Also, the setting of at least one acoustic receiver exists in the multiple acoustic receiver
The second position of the handheld device, the first position and the second position are respectively close to two opposite ends.
8. identification device as claimed in claim 6, wherein the position detection unit is further used for: according to described first
Moment and the multiple second moment calculate in the multiple sub-operation bodies and the multiple acoustic receiver of the operating body
Each space length obtains the position distribution of the multiple sub-operation body according to the space length.
9. identification device as claimed in claim 6, wherein the attribute determining unit is according to the two sides of handheld device
The quantity of multiple sub-operation bodies of operating body or the multiple sub-operation body the handheld device specific location to determine
The attribute for stating operating body includes: that the seat in the plane of holding obtained when the position detection unit sets and shows that the two sides of the handheld device have
When sub-operation body, the sub-operation body quantity of the two sides of the handheld device is judged, if the son of the first side of the handheld device
Operating body quantity is more than the sub-operation body quantity of second side, then the attribute determining unit determines that the attribute of the operating body is the
One attribute；It is described if the sub-operation body quantity of the first side of the handheld device is fewer than the sub-operation body quantity of second side
Attribute determining unit determines that the attribute of the operating body is the second attribute；When table is set in the seat in the plane of holding that the position detection unit obtains
When the bright handheld device only has side to have sub-operation body, if the sub-operation body in second side of the handheld device,
The attribute determining unit determines that the attribute of the operating body is the first attribute, if the sub-operation body is in the handheld device
The first side, then the attribute determining unit determine the operating body attribute be the second attribute.
10. identification device as claimed in claim 6, wherein the attribute determining unit according to the multiple sub-operation body with
The contact area and distribution of shapes of handheld device include: come the attribute for determining the operating body
Show the operating body if what the position detection unit obtained holds seat in the plane and set in the first side of handheld device and hold
The contact area of equipment is greater than the operating body in second side of handheld device and the contact area of handheld device, and the behaviour
Making body in the first side of the handheld device and the contact area of handheld device is discontinuity zone, then the attribute determining unit
The attribute for determining the operating body is the first attribute；And
Show the operating body if what the position detection unit obtained holds seat in the plane and set in second side of handheld device and hold
The contact area of equipment is greater than the operating body in the first side of handheld device and the contact area of handheld device, and the behaviour
Making body in second side of the handheld device and the contact area of handheld device is discontinuity zone, then the attribute determining unit
Determine that the attribute of the operating body is secondary.
11. a kind of handheld device, comprising:
Supersonic generator, for emitting ultrasonic wave；
Multiple acoustic receivers, for receiving ultrasonic wave；And
Identification device, for identification attribute of operating body, comprising:
Generating unit controls the supersonic generator transmitting ultrasonic wave, and records the supersonic generator and launch ultrasound
First moment of wave；
Receiving unit receives ultrasonic wave by the multiple acoustic receiver, and records the multiple acoustic receiver and receive and surpass
Multiple second moment of sound wave；
Position detection unit is set by the seat in the plane of holding that first moment and the multiple second moment obtain the operating body；
And
Attribute determining unit, for according to the quantity of multiple sub-operation bodies of the operating bodies of the two sides of handheld device or described
Specific location of multiple sub-operation bodies in the handheld device or the contact surface according to the multiple sub-operation body and handheld device
Long-pending and distribution of shapes determines the attribute of the operating body.
12. handheld device as claimed in claim 11, wherein at least one acoustic receiver in the multiple acoustic receiver
The first position of the handheld device is set；Also, at least one acoustic receiver is arranged in the multiple acoustic receiver
In the second position of the handheld device, the first position and the second position are respectively close to two opposite ends.
13. handheld device as claimed in claim 11, wherein the position detection unit is further used for: according to described
One moment and the multiple second moment calculate in the multiple sub-operation bodies and the multiple acoustic receiver of the operating body
Each of space length, the position distribution of the multiple sub-operation body is obtained according to the space length.
14. handheld device as claimed in claim 11, wherein the attribute determining unit is according to the institutes of the two sides of handheld device
The quantity or the multiple sub-operation body for stating multiple sub-operation bodies of operating body are determined in the specific location of the handheld device
The attribute of the operating body includes: that the seat in the plane of holding obtained when the position detection unit sets and shows the two sides of the handheld device all
When having sub-operation body, the sub-operation body quantity of the two sides of the handheld device is judged, if the first side of the handheld device
Sub-operation body quantity is more than the sub-operation body quantity of second side, then the attribute determining unit determines that the attribute of the operating body is
First attribute；If the sub-operation body quantity of the first side of the handheld device is fewer than the sub-operation body quantity of second side, institute
It states attribute determining unit and determines that the attribute of the operating body is the second attribute；When the seat in the plane of holding that the position detection unit obtains is set
When showing that the handheld device only has side to have sub-operation body, if the sub-operation body in second side of the handheld device,
Then the attribute determining unit determines that the attribute of the operating body is the first attribute, if the sub-operation body is set in described hold
The first standby side, then the attribute determining unit determines that the attribute of the operating body is the second attribute.
15. handheld device as claimed in claim 11, wherein the attribute determining unit according to the multiple sub-operation body with
The contact area and distribution of shapes of handheld device include: come the attribute for determining the operating body
Show the operating body if what the position detection unit obtained holds seat in the plane and set in the first side of handheld device and hold
The contact area of equipment is greater than the operating body in second side of handheld device and the contact area of handheld device, and the behaviour
Making body in the first side of the handheld device and the contact area of handheld device is discontinuity zone, then the attribute determining unit
The attribute for determining the operating body is the first attribute；And
If the position detection unit obtain it is described hold seat in the plane set second side for showing the operating body in handheld device with
The contact area of handheld device is greater than the operating body in the first side of handheld device and the contact area of handheld device, and institute
It is discontinuity zone that operating body, which is stated, in second side of the handheld device and the contact area of handheld device, then the attribute determines
Unit determines that the attribute of the operating body is secondary.
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| CN201410515918.XA CN105528168B (en) | 2014-09-29 | 2014-09-29 | A kind of recognition methods and device |
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| CN201410515918.XA CN105528168B (en) | 2014-09-29 | 2014-09-29 | A kind of recognition methods and device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199889A (en) * | 1998-04-28 | 1998-11-25 | 刘中华 | Display screen touch point position parameter sensing device |
| CN201035552Y (en) * | 2007-05-11 | 2008-03-12 | 王树勋 | Wireless location electronic whiteboard with flat panel display as writing plane |
| CN103576842A (en) * | 2012-07-31 | 2014-02-12 | 华为终端有限公司 | Posture recognition method and posture recognition device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4728740B2 (en) * | 2005-08-23 | 2011-07-20 | Ｎｅｃディスプレイソリューションズ株式会社 | Electronic pen, electronic blackboard system, and projector system |
| CN101689355A (en) * | 2007-06-15 | 2010-03-31 | 路迪亚公司 | Interactivity in the massive plate display |
-
2014
- 2014-09-29 CN CN201410515918.XA patent/CN105528168B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199889A (en) * | 1998-04-28 | 1998-11-25 | 刘中华 | Display screen touch point position parameter sensing device |
| CN201035552Y (en) * | 2007-05-11 | 2008-03-12 | 王树勋 | Wireless location electronic whiteboard with flat panel display as writing plane |
| CN103576842A (en) * | 2012-07-31 | 2014-02-12 | 华为终端有限公司 | Posture recognition method and posture recognition device |
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