CN104023105A - Detection device and detection method of angled rotation of camera of mobile terminal - Google Patents
Detection device and detection method of angled rotation of camera of mobile terminal Download PDFInfo
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- CN104023105A CN104023105A CN201410262789.8A CN201410262789A CN104023105A CN 104023105 A CN104023105 A CN 104023105A CN 201410262789 A CN201410262789 A CN 201410262789A CN 104023105 A CN104023105 A CN 104023105A
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Abstract
The invention discloses a detection device and a detection method of angled rotation of a camera of a mobile terminal. The detection device comprises a shell, a rotary camera component and a connecting piece used for connecting the shell and the rotary camera component, wherein a hall sensor is arranged on the shell, a magnet is arranged on the rotary camera component, the hall sensor and the magnet are arranged in parallel from top to bottom, the hall sensor is electrically connected to a signal processing circuit, the hall sensor is a digital hall sensor, setting of magnetic poles of the magnet is as follows: the pole S is upward and the pole N is downward. The connecting piece comprises a rotating shaft and an electric motor, one end of the rotary camera component and one end of the shell are connected through the rotating shaft, the other end of the rotary camera component and the other end of the shell are electrically connected through the electric motor. Quantized digital values are output by the digital hall sensor, and the output digital values are monotone increasing or monotone decreasing curves. According to the detection device and the detection method, a front camera and a back camera can be switched, the position of the rotary camera component is restored at a new call, a rotating angle is accurately detected, and the strong magnetic disturbance is effectively avoided.
Description
Technical field
The present invention relates to a kind of mobile terminal camera detection technique, particularly relate to a kind of mobile terminal camera angle rotation detecting and detection method thereof.
Background technology
Along with scientific and technological development, intelligent terminal, particularly mobile phone more and more become the articles for daily use that people are indispensable, and part mobile phone is provided with rotating camera, how rotating camera are rotated and detect the key that becomes engineer and develop mobile phone.
At present, rotation detects in automotive electronics application more, few in portable terminal device application, and permissible accuracy is not high when general application, so, implementation is generally fairly simple, in addition cost and conforming consideration, the general spacing mode of structure that adopts, such as, when rotating part rotates to a fixing angle, structure is stretched out a reference column and is located, the mode conducted signal contacting with location etc., the benefit of this mode is, save input IC, reduce cost, detection and location precision is higher, but form is dumb, and can only limit corresponding position, another kind of implementation, it is exactly mode more common in automotive electronics, adopt HALL components and parts to add corresponding magnet structure, this mode, although with respect to front a kind of mode, detection method and restriction position all increase, but can not accurately detect, and due to problems such as the consistency of magnet, for the requirement of accurate detection, can not meet, can only accomplish the detection of certain limit.
The patent No. is 201320404369.X, patent name is a kind of mobile phone rotation detecting, following technical characterictic is disclosed: a kind of mobile phone rotation detecting, comprise the rotating shaft of housing, rotating camera parts and connection housing and rotating camera parts, on described housing, be provided with magnetic induction measurement module, on described rotating camera parts, be provided with magnet, described magnetic induction measurement module is electrically connected with signal processing circuit.Described magnetic induction measurement module and magnet setting are at grade.Described magnetic induction measurement module is made up of reluctance switch.Described magnet is made up of magnet.Described signal processing circuit is arranged on mobile phone master chip.On described rotating camera parts, be provided with camera.On described rotating camera parts, be provided with receiver.But this technology realizes difficult at rotating mobile camera, due to difference, the difference of magnet etc. of the thresholding of reluctance switch, the angle of every machine rotation is inconsistent, even occur between 0 ~ 206, detecting inefficacy, and reluctance switch is subject to external magnetic field, temperature impact, detection angles can change, and even occurs detecting losing efficacy.Therefore, it is undesirable that this scheme rotation detects effect, and accuracy rate is low, and the subsequent project that is easily interfered does not have replicability, so can not meet the demands for the production-scale mobile phone day by day increasing.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of mobile terminal camera angle rotation detecting and detection method thereof are provided, detect the anglec of rotation accurate, and can effectively avoid extraneous strong magnetic disturbance.
In order to achieve the above object, the technical solution used in the present invention is:
A kind of mobile terminal camera angle rotation detecting, comprise the connector of housing, rotating camera parts and connection housing and rotating camera parts, on described housing, be provided with Hall element, on described rotating camera parts, be provided with magnet, Hall element and magnet be arranged in parallel up and down, described Hall element is electrically connected with signal processing circuit, described Hall element is digital hall sensor, the magnetic pole of described magnet is set to left right model magnet, the S utmost point is towards consistent with housing upper end, and the N utmost point is towards consistent with housing lower end.
Preferably, described connector comprises rotating shaft and electro-motor, and between rotating camera parts and housing, one end is connected by rotating shaft, and the other end is electrically connected by electro-motor.
Preferably, the digital value of described digital hall sensor output quantization, and the digital value of output is monotonic increase or monotone decreasing curve.
Preferably, described signal processing circuit is made up of central processing unit.
Preferably, a side of described rotating camera parts arranges camera, and opposite side arranges receiver, and under mobile terminal initial condition, receiver is positioned at rotating camera parts front, and camera is positioned at the rotating camera parts back side.
Preferably, the rotating range of described rotating camera parts is 0～206 degree.
A detection method for described mobile terminal camera angle rotation detecting, comprises the steps:
Step 1. detects that mobile terminal rotates rotating camera parts by rotating shaft, and digital hall sensor detects the anglec of rotation of rotation of mobile terminal camera parts in real time;
Step 2. judges that whether the current anglec of rotation reaches the max-thresholds angle of systemic presupposition, is to perform step 3, otherwise returns to step 1;
Step 3., in the time that the anglec of rotation reaches the max-thresholds angle of systemic presupposition, triggers max-thresholds and interrupts, and interrupt signal is sent to signal processing circuit;
Step 4. signal processing circuit is analyzed the interrupt signal producing, and camera is carried out to preposition and rearmounted switching.
Preferably, described detection method is further included in mobile terminal and rotates in the process that rotating camera parts take by rotating shaft, detect whether there is new incoming call, in the time having new incoming call, judge whether the rotating camera module of mobile terminal returns to initial position, and concrete steps are as follows:
Whether step S1. detects in real time mobile terminal and comes in newly to send a telegram here;
Step S2. carries out next step, otherwise returns to step S1;
Step S3. digital hall sensor detects the anglec of rotation of current rotating camera parts in real time;
Step S4. judges whether the current anglec of rotation reaches the minimum threshold angle of systemic presupposition, is to perform step S5, otherwise detection of end;
Step S5., in the time that the anglec of rotation reaches the minimum threshold angle of systemic presupposition, triggers minimum threshold and interrupts, and interrupt signal is sent to signal processing circuit;
Step S6. signal processing circuit is analyzed the interrupt signal producing, and starts electro-motor and automatically rotating camera module is rotated to initial position.
Preferably, described detection method comprises and pre-sets execution instruction corresponding to max-thresholds angle, specifically comprises:
Max-thresholds angle is set, in the time that the anglec of rotation rotation of rotating camera parts reaches max-thresholds angle, digital hall sensor produces interrupt signal and is sent to signal processing circuit, and signal processing circuit is sent instruction, and camera is carried out to preposition and rearmounted switching.
Preferably, described detection method comprises and pre-sets execution instruction corresponding to minimum threshold angle, specifically comprises:
Minimum threshold angle is set, in the time that the anglec of rotation rotation of rotating camera parts arrives minimum threshold angle, digital hall sensor produces interrupt signal and is sent to signal processing circuit, signal processing circuit is sent instruction, opens the rotating camera parts of electro-motor automatic rotating mobile terminal to initial position.
Compared with prior art, the invention has the beneficial effects as follows: Hall element adopts digital hall sensor, can realize the detection of two anglecs of rotation, take with rearmounted for switching the preposition of camera, automatically the rotation of identification rotating camera parts is simpler, preposition and the post-positioned pick-up head that automatically switches, the problem that while having avoided taking pictures, portrait stands upside down; Digital hall sensor output digit signals, threshold value can be set arbitrarily as required, any maximum angle threshold value and minimum angles threshold value are set, any two angles that reach 0～180 degree detect, and accuracy of detection is high, more accurate with respect to the use of analogue hall sensor or other transducers, and digital hall sensor can ensure that the detection angles between different mobile terminal is the same, possess reproducibility, and precision accurately and reliably, promote user and experience; Realizing two angles detects, an angle is used for switching preamplifier, post-positioned pick-up head, another one angle is used for detecting when camera is in this position, whether need to open electro-motor automatic rotation to initial position, utilize motor automatic rotation to initial position, bring convenience to user, improved user satisfaction; Digital hall sensor can effectively be avoided extraneous strong magnetic disturbance, is not easy to be affected, and ensures that detection angles is consistent in any environment, ensure uniform machinery, detection angles is consistent in any environment, between different machines, also can keep detection angles consistent through angle calibration system.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
fig. 2 is rotation status structural representation of the present invention.
Embodiment
Purport of the present invention is to overcome the deficiencies in the prior art, a kind of mobile terminal camera angle rotation detecting and detection method thereof are provided, in the industry cycle to use for the first time digital Hall to realize two angles to detect, utilizing digital Hall to realize the anglec of rotation detects, MR(reluctance switch relatively), simulation Hall can be realized the detection of two angles, and MR, simulation Hall can only detect an angle, due to be digital hall sensor output be digital signal, threshold value can be set arbitrarily, reach 0 ~ 180 degree and can realize any two angles detection, such as 60, 120 degree, and accuracy of detection is high, and other cannot be accurate to angle, for example can ensure in addition, between different mobile terminal (mobile phone), detection angles is the same, particularly under the strong magnetic disturbance in the external world, device is interference-free, detection angles is consistent.
Be elaborated with reference to accompanying drawing below in conjunction with embodiment, to technical characterictic of the present invention and advantage are interpretated more in-depth.
Structural representation of the present invention as shown in Figure 1, a kind of mobile terminal camera angle rotation detecting, comprise housing 1, the connector 3 of rotating camera parts 2 and connection housing 1 and rotating camera parts 2, on described housing 1, be provided with Hall element 4, on described rotating camera parts 2, be provided with magnet 5, Hall element 4 be arranged in parallel up and down with magnet 5, described Hall element 4 is electrically connected with signal processing circuit, described Hall element 4 is digital hall sensor, the magnetic pole of described magnet 5 is set to left right model magnet, the S utmost point is towards mobile phone upper end, the N utmost point is towards lower end.Could keep like this digital value of digital Hall output is monotonic increase or monotone decreasing curve, could realize two angles and detect.As shown in Figure 2, rotating camera parts are with respect to rotation of mobile terminal 60 or 120 degree, and certainly, this is embodiments of the invention, any rotating range allowing in rotating camera.In Fig. 1 and Fig. 2, digital hall sensor and magnet keep center-aligned at X, Y direction, and Z-direction both there is certain difference in height, can effectively ensure to detect effect.
As preferred embodiment of the present invention, described connector 3 comprises rotating shaft and electro-motor, and between rotating camera parts 2 and housing 1, one end is connected by rotating shaft, and the other end is electrically connected by electro-motor.Rotating shaft is for user's manual adjustments in the time taking pictures or make a video recording, and manual energy is controlled the angle that user takes pictures or makes a video recording preferably, has more flexibility.The electro-motor of the other end can return to initial position by rotating camera parts according to actual needs, carries out manual adjustments without user, has improved efficiency.According to actual needs rotating camera parts are returned to initial position, actual conditions herein comprise after user has taken and need rotating camera parts to return to initial position, now can rely on manual recovery also can automatically recover according to electro-motor, for example, when user exits after shoot function, system is identified automatically, then automatically drives electro-motor that rotating camera parts are returned to initial position.Also have a kind of situation,, when user is in the time taking, now have new incoming call or other situations, user need to use receiver, but now receiver, because the angle of rotary taking is not on having affected speech quality, returns to initial position by rotating camera parts.And electro-motor provides conveniently mode of operation to above demand.
In the present invention, described digital hall sensor (for example gaussmeter, can measure size and the direction in magnetic field, the MXM1120 chip providing such as Manchip) digital value of output quantization, if both positions of magnet and digital Hall are as designed in figure, the digital value of output is monotonic increase or monotone decreasing curve so.The digital hall sensor that the present invention selects must can be according to the size in magnetic field, the digital value that output can quantize.Rotating camera is in 0～206 rotary course, select suitable magnet size, model and the position with digital hall sensor, allow digital hall sensor output must ensure monotonic increase or decline curve, any two angle settings of guarantee, complete the detection of two angles.The object of output monotonic increase or decline curve is to detect in order to obtain angle accurately, for example, 30,120(herein just as an example, other detection angles can be set), in 30 degree, 120 degree positions, mobile terminal, taking mobile phone as example, mobile phone reads respectively the current value of digital Hall, as angle detect height threshold value A B.Each mobile phone is all selected respectively same position, just can ensure the consistency of different machines angle, ensures the precision detecting simultaneously.
As preferred embodiment of the present invention, described signal processing circuit is made up of central processing unit, and the pulse signal that central processing unit is responsible for the anglec of rotation to produce is analyzed, and sends fill order to corresponding parts.For example drive electro-motor automatically to recover rotating camera parts to initial position, or switch the preposition of camera or rearmountedly take pictures or make a video recording, bring advantage to the user.
Preferably, a side of described rotating camera parts 2 arranges camera, and opposite side arranges receiver, and under mobile terminal initial condition, receiver is positioned at rotating camera parts 2 fronts, and camera is positioned at rotating camera parts 2 back sides.Mobile terminal involved in the present invention, for example mobile phone is single camera, carrys out the pictures taken of switching preamplifier postposition by rotation, and receiver is set so on one side, and camera is set on one side, when ensureing shooting effect, can reduce costs.As preferred embodiment of the present invention, the rotating range of the rotating camera parts 2 of the mobile terminal that the present invention records is 0～206 degree.
In the present invention, the digital hall sensor adopting, detect for rotation detection of handset realizes two angles, an angle is used for switching preamplifier, post-positioned pick-up head, and another one angle is used for detecting when camera is in this position, whether need to open electro-motor automatic rotation to initial position, such as when mobile phone is in initial status, suddenly there is this time phone to come in, just can utilize motor automatic rotation to initial position, bring convenience to user, improved user satisfaction.Given this, the invention provides a kind of camera angle rotary detecting method, the angle of rotating relative to initial position for detection of current rotating camera parts, by detecting high angle threshold value, switching preamplifier, post-positioned pick-up head, by detecting a minimum angle threshold value, whether in the time that user receives incoming call automatic rotation camera parts to initial position.
The detection method of a kind of described mobile terminal camera angle rotation detecting that the present invention records, described detection method comprises and pre-sets execution instruction corresponding to max-thresholds angle, specifically comprise: max-thresholds angle is set, in the time that the anglec of rotation rotation of rotating camera parts reaches max-thresholds angle, digital hall sensor produces interrupt signal and is sent to signal processing circuit, signal processing circuit is sent instruction, and camera is carried out to preposition and rearmounted switching.It is max-thresholds angle that 120 degree are for example set, and in the time that the anglec of rotation of rotating camera parts meets or exceeds 120 of systemic presupposition and spends, preposition, post-positioned pick-up head automatically switches.For example user starts to take from initial position, and what now use is post-positioned pick-up head, and now, according to taking needs, user starts manual rotation and adjusts rotating camera parts.When adjusting rotating camera parts, user meets or exceeds 120 while spending, the angle that now post-positioned pick-up head is taken, and portrait and scenery are seen all and being stood upside down by display screen, normally, experience poor.But the present invention is provided with maximum angle threshold values, if meet or exceed 120 degree, automatically post-positioned pick-up head to be taken and switched to front-facing camera shooting, the portrait now photographing and scenery are some pictures of user, and be upright, meet the various demands of people's video, chat.Another kind of situation is exactly when user has taken after front-facing camera pattern, think again to take portrait and the landscape etc. of post-positioned pick-up head pattern, only need again rotate rotating camera parts, in the time detecting that rotating camera parts and initial position angle are spent lower than 120, automatically front-facing camera screening-mode is switched to post-positioned pick-up head screening-mode, facilitate user, also promoted experience simultaneously.
Described detection method comprises and pre-sets execution instruction corresponding to minimum threshold angle, specifically comprise: minimum threshold angle is set, in the time that the anglec of rotation rotation of rotating camera parts reaches minimum threshold angle, digital hall sensor produces interrupt signal and is sent to signal processing circuit, signal processing circuit is sent instruction, opens the rotating camera parts of electro-motor automatic rotating mobile terminal to initial position.For example, it is 30 degree that minimum threshold angle is set, when the anglec of rotation of rotating camera parts is spent lower than minimum threshold angle 30, now, very little angle is smaller on the speech quality impact of receiver, negligible, so during taking, while having new incoming call to come in, can directly press Answer Key answers, certainly,, if the mobile terminal product relating to is larger or special, minimum threshold angle can be adjusted.If spent when the anglec of rotation of rotating camera parts reaches minimum threshold angle 30, think that this anglec of rotation can have influence on speech quality, user may not hear the other side's speech, for example the anglec of rotation may reach 90 degree with first-class sometimes, have a strong impact on speech quality, now just rotating camera parts need to be returned to initial position by electro-motor automatic rotation, offer the good speech quality effect of user, and be automatically to detect by digital hall sensor, automatically recover, facilitate user, promoted user's experience.
The present invention includes following steps:
Step 1. detects that mobile terminal rotates rotating camera parts by rotating shaft, and digital hall sensor detects the anglec of rotation of rotation of mobile terminal camera parts in real time; Digital hall sensor is for example opened, after camera (take pictures, Video chat etc.) function user, the angle that just starts to detect in real time the rotation of rotating camera parts;
Step 2. judges that whether the current anglec of rotation reaches the max-thresholds angle of systemic presupposition, is to perform step 3, otherwise returns to step 1; It is 120 degree that max-thresholds angle can be set herein, but specifically can be according to the situation adjustment of actual product;
Step 3., in the time that the anglec of rotation reaches the max-thresholds angle of systemic presupposition, triggers max-thresholds and interrupts, and interrupt signal is sent to signal processing circuit; General digital hall sensor can be sent terminal signaling, is sent to central processing unit (CPU or mobile phone master chip etc.);
Step 4. signal processing circuit is analyzed the interrupt signal producing, and camera is carried out to preposition and rearmounted switching, and the switching between the preposition screening-mode and the rearmounted screening-mode that switch to camera now, because camera only has one.
Preferably, described detection method is further included in mobile terminal and rotates in the process that rotating camera parts take by rotating shaft, detect whether there is new incoming call, in the time having new incoming call, judge whether the rotating camera module of mobile terminal returns to initial position, and concrete steps are as follows:
Whether step S1. detects in real time mobile terminal and comes in newly to send a telegram here;
Step S2. carries out next step, otherwise returns to step S1;
Step S3. digital hall sensor detects the anglec of rotation of current rotating camera parts in real time, and for example, the current anglec of rotation is 50 degree;
Step S4. judges whether the current anglec of rotation reaches the minimum threshold angle of systemic presupposition, to perform step S5, otherwise detection of end, for example systemic presupposition minimum threshold angle be 30 degree, the so current anglec of rotation is 50 degree, obviously reach and exceeded the minimum threshold values angle of systemic presupposition, the anglec of rotation that is judged to be so receiver is excessive, can affect speech quality;
Step S5. is in the time that the anglec of rotation reaches the minimum threshold angle of systemic presupposition, triggering minimum threshold interrupts, and interrupt signal is sent to signal processing circuit, now trigger interrupt signal by digital hall sensor, then be sent to signal processing circuit, carry out ensuing processing by signal processing circuit;
Step S6. signal processing circuit is analyzed the interrupt signal producing, and starts electro-motor and automatically rotating camera module is rotated to initial position.
In specific implementation process of the present invention, taking mobile phone as example, mainly comprise following aspect:
1, as shown in Figure 1, 2, Position Design, magnet must be taked upper and lower type, the N utmost point down (magnet must be taked left right model magnet, the S utmost point towards mobile phone upper end, the N utmost point is towards mobile phone lower end.), and digital hall sensor and magnet keeps center-aligned in X, Y direction, and Z-direction both there is certain difference in height, can ensure preferably accuracy of detection;
2,, according to the designing requirement of digital hall sensor and magnet, by obtaining from the rotary course of 0～206 degree in continuous test, the output variable of digital hall sensor can keep monotonic increase or successively decrease;
3, obtain height threshold value, rotation needs two angles that detect.Such as 30,120,30 degree, 120 degree positions, mobile phone reads respectively the current value of digital Hall, as angle detect height threshold value A B.Each machine is all selected respectively same position, just can ensure the consistency of different machines angle, ensures the precision detecting simultaneously;
4, when mobile phone rotation 30 degree positions, can trigger low threshold value and interrupt, notice CPU, position is now 30 degree.In like manner, when rotation 120 degree positions, also can trigger high threshold and interrupt, notice CPU, position is now 120 degree.Realize two angles and detect, the digital Hall of selection is necessary in addition can be according to the size in magnetic field, the digital value that output can quantize.Rotating camera is in 0～206 rotary course, rotate suitable magnet size, model and the position with digital Hall, allow digital Hall output must ensure monotonic increase or decline curve, any two angle settings of guarantee, complete the detection of two angles.
By the technical scheme in above embodiment, the present invention is carried out to clear, complete description, the embodiment that obvious described embodiment is a part of the present invention, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Claims (10)
1. a mobile terminal camera angle rotation detecting, comprise housing (1), the connector (3) of rotating camera parts (2) and connection housing (1) and rotating camera parts (2), it is characterized in that: on described housing (1), be provided with Hall element (4), on described rotating camera parts (2), be provided with magnet (5), Hall element (4) be arranged in parallel up and down with magnet (5), described Hall element (4) is electrically connected with signal processing circuit, described Hall element (4) is digital hall sensor, the magnetic pole of described magnet (5) is set to left right model magnet, the S utmost point is towards consistent with housing (1) upper end, the N utmost point is towards consistent with housing (1) lower end.
2. according to claim 1 mobile terminal camera angle rotation detecting, it is characterized in that: described connector (3) comprises rotating shaft and electro-motor, between rotating camera parts (2) and housing (1), one end is connected by rotating shaft, and the other end is electrically connected by electro-motor.
3. according to claim 1 mobile terminal camera angle rotation detecting, it is characterized in that: the digital value of described digital hall sensor output quantization, and the digital value of output is monotonic increase or monotone decreasing curve.
4. according to claim 1 mobile terminal camera angle rotation detecting, it is characterized in that: described signal processing circuit is made up of central processing unit.
5. according to claim 1 mobile terminal camera angle rotation detecting, it is characterized in that: a side of described rotating camera parts (2) arranges camera, opposite side arranges receiver, under mobile terminal initial condition, receiver is positioned at rotating camera parts (2) front, and camera is positioned at rotating camera parts (2) back side.
6. according to claim 5 mobile terminal camera angle rotation detecting, it is characterized in that: the rotating range of described rotating camera parts (2) is 0～206 degree.
7. a detection method of utilizing the mobile terminal camera angle rotation detecting described in any one in claim 1～6, is characterized in that, comprises the steps:
Step 1. detects that mobile terminal rotates rotating camera parts by rotating shaft, and digital hall sensor detects the anglec of rotation of rotation of mobile terminal camera parts in real time;
Step 2. judges that whether the current anglec of rotation reaches the max-thresholds angle of systemic presupposition, is to perform step 3, otherwise returns to step 1;
Step 3., in the time that the anglec of rotation reaches the max-thresholds angle of systemic presupposition, triggers max-thresholds and interrupts, and interrupt signal is sent to signal processing circuit;
Step 4. signal processing circuit is analyzed the interrupt signal producing, and camera is carried out to preposition and rearmounted switching.
8. the detection method of mobile terminal camera angle rotation detecting according to claim 7, it is characterized in that, described detection method is further included in mobile terminal and rotates in the process that rotating camera parts take by rotating shaft, detect and whether have new incoming call, in the time having new incoming call, judge whether the rotating camera module of mobile terminal returns to initial position, and concrete steps are as follows:
Whether step S1. detects in real time mobile terminal and comes in newly to send a telegram here;
Step S2. carries out next step, otherwise returns to step S1;
Step S3. digital hall sensor detects the anglec of rotation of current rotating camera parts in real time;
Step S4. judges whether the current anglec of rotation reaches the minimum threshold angle of systemic presupposition, is to perform step S5, otherwise detection of end;
Step S5., in the time that the anglec of rotation reaches the minimum threshold angle of systemic presupposition, triggers minimum threshold and interrupts, and interrupt signal is sent to signal processing circuit;
Step S6. signal processing circuit is analyzed the interrupt signal producing, and starts electro-motor and automatically rotating camera module is rotated to initial position.
9. the detection method of mobile terminal camera angle rotation detecting according to claim 7, is characterized in that, described detection method comprises and pre-sets execution instruction corresponding to max-thresholds angle, specifically comprises:
Max-thresholds angle is set, in the time that the anglec of rotation rotation of rotating camera parts reaches max-thresholds angle, digital hall sensor produces interrupt signal and is sent to signal processing circuit, and signal processing circuit is sent instruction, and camera is carried out to preposition and rearmounted switching.
10. the detection method of mobile terminal camera angle rotation detecting according to claim 8, is characterized in that, described detection method comprises and pre-sets execution instruction corresponding to minimum threshold angle, specifically comprises:
Minimum threshold angle is set, in the time that the anglec of rotation rotation of rotating camera parts arrives minimum threshold angle, digital hall sensor produces interrupt signal and is sent to signal processing circuit, signal processing circuit is sent instruction, opens the rotating camera parts of electro-motor automatic rotating mobile terminal to initial position.
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| CN201410262789.8A CN104023105A (en) | 2014-06-13 | 2014-06-13 | Detection device and detection method of angled rotation of camera of mobile terminal |
| CN201510324159.3A CN104954675B (en) | 2014-06-13 | 2015-06-12 | The rotation angle detecting method of mobile terminal and its camera |
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| CN201410262789.8A CN104023105A (en) | 2014-06-13 | 2014-06-13 | Detection device and detection method of angled rotation of camera of mobile terminal |
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| CN201510324159.3A Active CN104954675B (en) | 2014-06-13 | 2015-06-12 | The rotation angle detecting method of mobile terminal and its camera |
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|---|---|
| CN104954675B (en) | 2018-09-04 |
| CN104954675A (en) | 2015-09-30 |
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Application publication date: 20140903 |