CN106604027A - Method for suppressing vibration noise of camera in electronic equipment - Google Patents
Method for suppressing vibration noise of camera in electronic equipment Download PDFInfo
- Publication number
- CN106604027A CN106604027A CN201710059388.6A CN201710059388A CN106604027A CN 106604027 A CN106604027 A CN 106604027A CN 201710059388 A CN201710059388 A CN 201710059388A CN 106604027 A CN106604027 A CN 106604027A
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- China
- Prior art keywords
- photographic head
- electronic equipment
- movable member
- vibration
- current location
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Studio Devices (AREA)
Abstract
The present invention provides a method for suppressing vibration noise of a camera in electronic equipment. The camera comprises a movable part, a fixed part and a position sensor. The method comprises the following steps of (1) detecting whether the electronic equipment is vibrated or not, and executing a step (2) if so, and ending if not; (2) allowing the position sensor to detect the current position of the movable part in the camera, (3) generating a suppressing signal according to the current position, (4) driving the movable part of the camera to move to a target position according to the suppressing signal, and (5) repeating the step (1). According to the method, when the electronic equipment is vibrated, the vibration of the movable part in the camera is effectively suppressed, noise generated by collision is avoided, and a sense of hearing is improved.
Description
【Technical field】
The present invention relates to take the photograph in the method for a kind of electronic equipment field noise suppression, more particularly to a kind of suppression electronic equipment
As the method for head vibratory murmur.
【Background technology】
The progress of science and technology, has driven the electronic product of the fast development of electronic product, various electronic products and correlation
The relevant technology of parts is all constantly being improved and innovated, and wherein vocal skill is a kind of conventional technology.Such as, Hen Duo electricity
Sub- product is required for vocal skill, and traditional vocal skill is placed in inside electronic product using speaker, and in electronic product
Housing on arrange out acoustic aperture to spread out of sound.Occurred in that now it is a kind of it is more advanced, be not used in being arranged on housing
Go out the vocal skill of acoustic aperture, it is to send sound by the shell of the electronic products such as mobile phone, panel computer or the vibration of screen, its
In, shell can be the materials such as metal, glass, plastics, ceramics, compare using traditional speaker, this kind of advanced sounding skill
Art causes electronic equipment more aesthetically pleasing, and also more preferably, availability is higher for water resistance.
But, often simultaneously photographic head, such as mobile phone productses etc. can be equipped with inside electronic product, in energy auto-focusing or anti-
Having in the photographic head trembled can activated coil and drive to realize the moveable lens group of auto-focusing or stabilization function
The movable part such as part, this kind of advanced vocal skill also can using the mode that the shell or screen vibration of electronic product sends sound
Cause the vibration to a certain extent of photographic head and internal movable member and produce collision noise, greatly destroy sense of hearing.
Therefore, it is necessary to provide a kind of method for suppressing the photographic head vibration.
【The content of the invention】
It is an object of the invention to provide a kind of method for suppressing photographic head vibratory murmur in electronic equipment, can be in electronics
During vibration equipment, effectively suppress the vibration of movable member in photographic head, it is to avoid collision produces noise, improves sense of hearing.
Technical scheme is as follows：The method of photographic head vibratory murmur, the shooting in a kind of suppression electronic equipment
Head includes movable member, fixed component and position sensor, comprises the steps：Whether step one, detection electronic equipment shakes
It is dynamic, if detecting vibration of electronic equipment, execution step two；If detecting electronic equipment not vibrate, terminate；Step
Two, the current location of movable member in position sensor detection photographic head；Step 3, produces according to the current location and suppresses letter
Number；Step 4, drives the movable member of the photographic head to move to target location according to the suppression signal；Step 5, repeats
Step one.
The beneficial effects of the present invention is：During vibration of electronic equipment sounding, by detecting this vibration, after, sensing is taken the photograph
As the current location of movable member in head, corresponding suppression signal is produced, and driven using this suppression signal described movable
Part is stable in target location by the movable member in photographic head with this, it is to avoid collision produces noise to target location, improves
Sense of hearing.
In addition, in the step one detect electronic equipment whether vibrate including：Detect and sent out for drive electronics vibration
Whether the acoustic actuator of sound is vibrated, and the vibration of electronic equipment is judged if acoustic actuator is vibrated, if acoustic actuator is not
Vibration then judges that the electronic equipment does not vibrate.
In addition, the position sensor is Hall element.
In addition, the photographic head has closed loop automatic focusing function, in step 2, also including the closed loop for opening photographic head
Automatic focusing function, closed loop automatic focusing function detects the current location of movable member in photographic head by position sensor；
In step 3, closed loop automatic focusing function is produced by auto-focusing algorithm and suppresses signal according to the current location of movable member；
In step 5, closed loop automatic focusing function is first closed, repeat step one.
In addition, the target location of the movable member of the photographic head is photographic head movable member in steady statue
Initial position.
In addition, the photographic head has optical anti-vibration function, in step 2, also including the optical anti-vibration for opening photographic head
Function, optical anti-vibration function detects the current location of movable member in photographic head by position sensor；In step 3, optics
Stabilization function is produced by auto-focusing algorithm and suppresses signal according to the current location of movable member；In step 5, first close
Closed loop optical anti-vibration function, repeats step one.
In addition, the target location of the movable member of the photographic head is the geometric center position of the movable member of the photographic head
Put.
【Description of the drawings】
Fig. 1 is the schematic flow sheet of first embodiment of the invention；
Fig. 2 is the schematic flow sheet of second embodiment of the invention；
Fig. 3 is the schematic flow sheet of third embodiment of the invention.
【Specific embodiment】
Below in conjunction with the accompanying drawings the invention will be further described with embodiment.
The first embodiment of the present invention is related to a kind of method of photographic head vibratory murmur in suppression electronic equipment, such as Fig. 1
It is shown, comprise the following steps：
S101：Whether detection electronic equipment vibrates.
Specifically, the electronic equipment that user uses, is detected in vibration, into next step S102, otherwise not
Perform following step.Wherein, electronic equipment can be the equipment such as mobile phone, panel computer.Vibration can be activated by sounding
What device etc. caused.
S102：The current location of movable member in position sensor detection photographic head.
Specifically, after electronic equipment is detected in vibration, then sense movable member in photographic head and be currently located position
Put, and entered in next step S103 according to the result for detecting.Wherein, movable member can be camera lens module, be passed by position
Sensor performing the detection of the movable member current location, the position sensor number in photographic head can into arranging one,
Can be arranged to multiple, specific number can be selected according to practical situation.
It should be noted that the position sensor can be a kind of Hall element (magnetic field sensing of semiconductor material
Device), or other position sensors；The Hall element of a quantity is used in present embodiment.
S103：Produce according to current location and suppress signal.
Specifically, according to the current location of movable member in the photographic head for sensing in step s 102, calculate
The displacement of its skew, and draws the compensation displacement that return to this after vibration of electronic equipment, at the same produce with should
The corresponding suppression signal of displacement of recovery, froms the perspective of from another angle, is to inhibit the shooting produced by vibration of electronic equipment
The corresponding displacement of vibration and the generation of movable member in head.Wherein, calculating can be carried out in independent chip or CPU, be calculated
The signal that suppresses for going out can be single, it is also possible to be non-single, the result for calculating be correspondingly formed into suppression signal and gone forward side by side
In entering next step.
S104：The movable member of the photographic head is driven to move to target location according to the suppression signal.
Specifically, one or more for producing in step s 103 suppresses signal so that the movable member in photographic head
Corresponding displacement drive is produced, and movable member is stable in target location.Wherein, during suppression signal is by taking the photograph movable member
Actuating coil produce corresponding this operation of displacement drive realizing movable member, the number for activating coil can be one,
Can also be multiple；When the suppression signal for producing in step s 103 is single signal, the incoming actuation wire of its single signal
In circle or multiple actuating coils, make actuating coil produce drive displacement, realize movable member stablizing in target location；In step
When the suppression signal produced in rapid S103 is non-single signal, its incoming one of multiple suppression signal activates coil or multiple causes
In moving winding, movable member is set to produce drive displacement and realize stablizing in target location.In present embodiment, use by
One suppresses incoming one of signal to activate the driving that coil realizes movable member, can realize photographic head inner lenses specifically
The driving of module.It should be noted that in order to suppress the effect of signal better, suppressing signal to be through power amplification
In being input to actuating coil again afterwards.
S105：Repeat step S101.
When vibration of electronic equipment is detected, then the current location of movable member in photographic head is sensed always, and calculate
Suppress restorative movement of the signal to drive movable member to produce to target location, make movable member during vibration of electronic equipment
Can be stable always in target location, when vibration stops, then stop detection and follow-up suppression operation.Wherein, electronic equipment
The trigger of vibration can be provided by touch controller or CPU.
The beneficial effects of the present invention is：During vibration of electronic equipment sounding, by detecting this vibration after, sensing shooting
The current location of movable member in head, corresponding suppression signal is produced by calculating corresponding displacement, and using actuating
Coil receives this suppression signal to realize corresponding reverse drive, is stablized in photographic head by way of this suppression vibration
The position of movable member, does not result in the collision of movable member and other fixed components in photographic head, so as to not produce collision
Noise, sense of hearing is not affected.
In the first embodiment of the present invention, " S101：Whether detection electronic equipment vibrates " include：
Detect whether the acoustic actuator for drive electronics vibration sounding is vibrated, sentence if acoustic actuator is vibrated
Determine vibration of electronic equipment, judge that electronic equipment does not vibrate if acoustic actuator is not vibrated.
The vibration of electronic equipment in present embodiment is controlled by acoustic actuator, i.e. the vibration of acoustic actuator causes
The vibration of electronic equipment itself or its housing realizing the formation of sound and send, and control acoustic actuator start or
The trigger for stopping vibration can be provided by touch controller or CPU.Specifically, when trigger is " beginning ", i.e. sound
Learn actuator and start vibration, when this working condition is detected, then judge that electronic equipment is vibrational state, continue follow-up sense
The work of movable member vibration movement is put and suppressed to location, the displacement for producing with the vibration for suppressing movable member and therefore, so as to
Impact sound is not produced；When trigger is that " stopping ", i.e. acoustic actuator stop vibration, when detecting this working condition, then
No longer carry out the work of subsequent step.
Needs say that acoustic actuator can be based on piezoceramic material, Electromagnetic Drive Technology, magnetostrictive effect
Etc. the actuator of form；Integration mode of the acoustic actuator in mobile phone is not limited, and can is with adhesive tape bonding, or is used spiral shell
Silk fixation etc..
Second embodiment of the present invention is related to another kind of method for suppressing photographic head vibratory murmur in electronic equipment, is base
In first embodiment, as shown in Fig. 2 the method that second embodiment is provided is equivalent to by step in first embodiment
S102, step S103 and step S104 are reached by the closed loop automatic focusing function of electronic equipment.
Specifically, the method for photographic head vibratory murmur in electronic equipment is suppressed in present embodiment includes step：
S201：Whether detection electronic equipment vibrates；
S202：Open the closed loop automatic focusing function of photographic head；
S203：Closed loop automatic focusing function detects the current location of movable member in photographic head by position sensor；
S204：Auto-focusing algorithm is produced and suppresses signal；
S205：The movable member of photographic head is driven to move to target location using signal is suppressed；
S206：Close closed loop automatic focusing function；
S207：Repeat step S201.
Wherein, step S203, S204 and S205 are the closed loop automatic focusing functions using photographic head in electronic equipment
Realize.Specifically, the vibration of electronic equipment or its housing equally can be by acoustic actuator control, and to acoustics
Actuator carries out vibrational state and is detected, is that the closed loop automatic focusing function of photographic head passes through position sensing in present embodiment
The current location of movable member in device detection photographic head, when the working condition that the electronic equipment of detection is vibration, position sensing
The position of movable member, the current location for sensing and target location is contrasted, using automatically right in device sensing photographic head
Burnt algorithm draws the displacement for needing compensation, and then produces the suppression signal for needing to perform and drive movable member to perform displacement,
And after suppressing signal to complete the reverse drive of movable member, photographic head will close closed loop automatic focusing function.It is worth mentioning
, position sensor is using a Hall element, or multiple Hall elements.Further, closed loop from
Dynamic focusing carries out shooting head mould using the real time position of position sensor feedback photographic head movable member with reference to optical focusing algorithm
The position control of group, suppresses the displacement of shuttle belt in the way of reverse drive, and movable member is stable in target location, prevents
Only vibrate the shock sound that the displacement of formation produces collision and causes.
In addition, the target location of the movable member of photographic head be photographic head steady statue when movable member initial position,
Such as it is the initial position of movable member before acoustic actuator work.I.e. before electronic equipment starts vibration, at the beginning of movable member
Beginning, position was to carry out with real time position contrasting and the target location finally to be reached in subsequent step operation.It should be noted that
Using closed loop auto-focusing principle, movable member can be mainly controlled in the vibration perpendicular to focal plane direction.
It is noted that the material and integration mode of the sounding actuator in first embodiment, the number of actuating coil
Mesh, position sensor number and species, suppress signal quantity, calculate execution at etc. describe in detail be equally applicable to book enforcement
Mode, to avoid repeating, repeats no more here.
Third embodiment of the present invention is related to another kind of method for suppressing photographic head vibratory murmur in electronic equipment, and the 3rd
Embodiment is also based on first embodiment, as shown in figure 3, the method that is related to of the 3rd embodiment is equivalent to by first
Step 102, step 103 and step 104 in embodiment is reached by the optical anti-vibration function of electronic equipment.
Specifically, the method for photographic head vibratory murmur in electronic equipment is suppressed in present embodiment includes step：
S301：Whether detection electronic equipment vibrates；
S302：Open the optical anti-vibration function of photographic head；
S303：Optical anti-vibration function detects the current location of movable member in photographic head by position sensor；
S304：Auto-focusing algorithm is produced and suppresses signal；
S305：The movable member of photographic head is driven to move to target location using signal is suppressed；
S306：Close closed loop optical anti-vibration function；
S307：Repeat step S301.
Wherein, step S303, S304 and S305 are the optical anti-vibration functional realieys using photographic head in electronic equipment
's.Specifically, the vibration of electronic equipment or its housing equally by acoustic actuator control, and can be entered to acoustic actuator
Row working condition detected, one or more position sensor can be put inside photographic head, when acoustic actuator is to shake
During dynamic working condition, the optical anti-vibration function of photographic head carries out movable member current location in photographic head using position sensor
Sensing, and compare with the target location of movable member, the auto-focusing algorithm in optical anti-vibration function is according to movable part
The current location of part and the target location of movable member calculate compensation displacement and produce corresponding suppression signal, by actuation wire
Circle receives the suppression signal and performs corresponding reverse drive to movable member so that the movable member in photographic head is in target position
Put place stable.The method for suppressing photographic head vibration in present embodiment calculates compensation displacement and obtains mainly by optical anti-vibration algorithm
Go out corresponding suppression signal to realize the reverse drive of movable member, this can be prevented well can in the photographic head caused by vibration
The position of dynamic component is moved and caused movable member clashes into standing part, so as to not cause to collide the noise for producing, impact
Sense of hearing.
In addition, the target location of the movable member of photographic head is the geometric center position of movable member in photographic head.Need
What is illustrated is, it is assumed that perpendicular to the direction of focal plane be z directions, is exactly real-time using position sensor using optical anti-vibration principle
Feedback movable member carries out position control in x, the shake of y directions (i.e. focal plane) using corresponding optical anti-vibration control algolithm
Method of the system to decrease or even eliminate shake.That is, mainly controlled using optical anti-vibration this principle can in photographic head
Vibration of the dynamic component in x, y plane.
It is noted that the material and integration mode of the sounding actuator in first embodiment, the number of actuating coil
Mesh, position sensor number and species, suppress signal quantity, calculate execution at etc. describe in detail be equally applicable to this embodiment party
Formula, to avoid repeating, repeats no more here.
The above is only embodiments of the present invention, it should be noted here that for the person of ordinary skill of the art,
Without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection scope of the present invention.
Claims (7)
1. it is a kind of suppress electronic equipment in photographic head vibratory murmur method, the photographic head include movable member, fixed component
And position sensor, it is characterised in that comprise the steps：
Whether step one, detection electronic equipment vibrates, if detecting vibration of electronic equipment, execution step two；If detection
Do not vibrate to electronic equipment, then terminate；
Step 2, the current location of movable member in position sensor detection photographic head；
Step 3, produces according to the current location and suppresses signal；
Step 4, drives the movable member of the photographic head to move to target location according to the suppression signal；
Step 5, repeat step one.
2. it is according to claim 1 suppress electronic equipment in photographic head vibratory murmur method, it is characterised in that the step
In rapid one detect electronic equipment whether vibrate including：Detect whether the acoustic actuator for drive electronics vibration sounding shakes
It is dynamic, judge the vibration of electronic equipment if acoustic actuator is vibrated, judge that the electronics sets if acoustic actuator is not vibrated
Standby no vibration.
3. it is according to claim 2 suppress electronic equipment in photographic head vibratory murmur method, it is characterised in that institute's rheme
Sensor is put for Hall element.
4. it is according to claim 3 suppress electronic equipment in photographic head vibratory murmur method, it is characterised in that it is described to take the photograph
As head has closed loop automatic focusing function, in step 2, also including the closed loop automatic focusing function for opening photographic head, closed loop is certainly
Dynamic focus function detects the current location of movable member in photographic head by position sensor；In step 3, closed loop is automatically right
Burnt function is produced by auto-focusing algorithm and suppresses signal according to the current location of movable member；In step 5, first close
Ring automatic focusing function, repeats step one.
5. it is according to claim 4 suppress electronic equipment in photographic head vibratory murmur method, it is characterised in that it is described to take the photograph
As the initial position that the target location of the movable member of head is photographic head movable member in steady statue.
6. according to claim 3 or 4 suppress electronic equipment in photographic head vibratory murmur method, it is characterised in that institute
State photographic head and there is optical anti-vibration function, in step 2, also including the optical anti-vibration function of opening photographic head, optical anti-vibration work(
The current location of movable member in photographic head can be detected by position sensor；In step 3, optical anti-vibration function foundation can
The current location of dynamic component, is produced by auto-focusing algorithm and suppresses signal；In step 5, closed loop optical anti-vibration work(is first closed
Can, repeat step one.
7. it is according to claim 6 suppress electronic equipment in photographic head vibratory murmur method, it is characterised in that it is described to take the photograph
As the geometric center position of movable member that the target location of the movable member of head is the photographic head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710059388.6A CN106604027A (en) | 2017-01-24 | 2017-01-24 | Method for suppressing vibration noise of camera in electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710059388.6A CN106604027A (en) | 2017-01-24 | 2017-01-24 | Method for suppressing vibration noise of camera in electronic equipment |
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| CN106604027A true CN106604027A (en) | 2017-04-26 |
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ID=58586361
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| CN201710059388.6A Pending CN106604027A (en) | 2017-01-24 | 2017-01-24 | Method for suppressing vibration noise of camera in electronic equipment |
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| CN108012058A (en) * | 2017-12-12 | 2018-05-08 | 瑞声科技（南京）有限公司 | Suppress the method for camera vibratory murmur in electronic equipment |
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