CN101303846B - Sensing apparatus for guiding image straightly - Google Patents
Sensing apparatus for guiding image straightly Download PDFInfo
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- CN101303846B CN101303846B CN200710097479A CN200710097479A CN101303846B CN 101303846 B CN101303846 B CN 101303846B CN 200710097479 A CN200710097479 A CN 200710097479A CN 200710097479 A CN200710097479 A CN 200710097479A CN 101303846 B CN101303846 B CN 101303846B
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Abstract
The invention relates to an image alignment sensing device used for sensing whether the image captured by a rotary typed image capturing device needs to be aligned. The rotary typed image capturing device is provided with an image pickup component and can be used for rotating in an electronic device. The image alignment sensing device comprises a unidirectional magnetic line of force sensing component provided with a sensing direction and a magnet; wherein, the unidirectional magnetic line of force sensing component can rotate along with the image pickup component, the magnet is arranged on the electronic device, and the N and the S pole directions of the magnet are parallel to the sensing directions of the unidirectional magnetic line of force sensing component. The image alignment sensing device of the invention has the advantages of using whether the unidirectional magnetic line of force sensing component senses the magnetic lines of force as a basis for judging whether the images need to be aligned, leading a circuit panel to further align and then output the pictures shot when processing the pictures shot by an image pickup element.
Description
Technical field
The present invention relates to a kind of sensing apparatus for guiding image straightly, particularly a kind of sensing apparatus for guiding image straightly that is applied to rotary video capturing device.
Background technology
Along with the high development of Information technology, the application of computer product is also healed and is become universal, and the consumer is more and more for the requirement of computer product function, and the electronic installation of the periphery in the computer system also increases relatively.With the notebook computer is example, because notebook computer has advantage easy to carry, so the user usually carries it, to handle the needs of routine work.
Video capturing device has become the basic outfit of notebook computer now, and notebook computer has fixing display direction in use, and the shooting direction of the video capturing device often display direction with notebook computer is identical, quite inconvenience in the use.Therefore, video capturing device is designed in notebook computer, rotates again, so that the selection of more shooting directions to be provided, to can be towards display or be display dorsad as the shooting direction of video capturing device.
Yet, revolving video capturing device can run into other problem again, when the shooting direction of revolving video capturing device upset during for display dorsad, the putting position of video capturing device can turn upside down with towards display the time, if directly taken picture is shown in display, the picture that can obtain turning upside down then.
Therefore, how the rotary video capturing device picture displayed of correcting just becomes considerable problem.
Summary of the invention
Therefore purpose of the present invention is to provide a kind of sensing apparatus for guiding image straightly exactly, whether needs correcting in order to the image of sensing rotation formula video capturing device.
According to above-mentioned purpose of the present invention, a kind of sensing apparatus for guiding image straightly is proposed, whether need correcting in order to an image of sensing one imaging apparatus.Wherein imaging apparatus can rotate in an electronic installation, and sensing apparatus for guiding image straightly comprises the unidirectional magnetic line of force sensing element with a sensing direction, with a magnet.Wherein, unidirectional magnetic line of force sensing element can rotate along with imaging apparatus, magnet is configurable in electronic installation, and a N-S extreme direction of magnet is parallel with the sensing direction, wherein when above-mentioned unidirectional magnetic line of force sensing component does not sense the magnetic line of force of above-mentioned magnet, then above-mentioned unidirectional magnetic line of force sensing component sends a signal that needs the above-mentioned image of the above-mentioned camera assembly of correcting.Perhaps, magnet can rotate along with imaging apparatus, and unidirectional magnetic line of force sensing element can be arranged at electronic installation.Electronic installation has a rotary substrate, and imaging apparatus and unidirectional magnetic line of force sensing element can be installed on rotary substrate.Unidirectional magnetic line of force sensing element can be a unidirectional Hall element (hallsensor), and unidirectional magnetic line of force sensing element also can comprise a two-way Hall element and a magnetic line of force shielding layer.
Another form of the present invention is a kind of rotary video capturing device, comprise a rotary substrate that is disposed at an electronic installation, an imaging apparatus that is disposed at rotary substrate, and a sensing apparatus for guiding image straightly, wherein rotary substrate and imaging apparatus can rotate in electronic installation.Sensing apparatus for guiding image straightly comprises the unidirectional magnetic line of force sensing element with a sensing direction, with a magnet.Wherein, unidirectional magnetic line of force sensing element can rotate along with imaging apparatus, magnet is configurable in electronic installation, and a N-S extreme direction of magnet is parallel with the sensing direction, wherein when above-mentioned unidirectional magnetic line of force sensing component does not sense the magnetic line of force of above-mentioned magnet, then above-mentioned unidirectional magnetic line of force sensing component sends a signal that needs the above-mentioned image of the above-mentioned camera assembly of correcting.Perhaps, magnet can rotate along with imaging apparatus, and unidirectional magnetic line of force sensing element can be arranged at electronic installation.Electronic installation has a rotary substrate, and imaging apparatus and unidirectional magnetic line of force sensing element can be installed on rotary substrate.Unidirectional magnetic line of force sensing element can be a unidirectional Hall element (hall sensor), and unidirectional magnetic line of force sensing element also can comprise a two-way Hall element and a magnetic line of force shielding layer.
Effect of the present invention is, the present invention can utilize unidirectional magnetic line of force sensing element whether to sense the magnetic line of force, whether needs the basis for estimation of correcting as image, makes circuit board when handling the picture that imaging apparatus photographs, the further captured picture of correcting, line output again.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Figure 1A and Figure 1B provide the synoptic diagram of sensing apparatus for guiding image straightly one preferred embodiment different conditions of the present invention respectively;
Fig. 2 A and Fig. 2 B provide the synoptic diagram of another preferred embodiment different conditions of sensing apparatus for guiding image straightly of the present invention respectively;
Figure 3 shows that the synoptic diagram of rotary video capturing device one preferred embodiment of the present invention;
Figure 4 shows that the synoptic diagram of rotary another preferred embodiment of video capturing device of the present invention.
Embodiment
Below will clearly demonstrate spirit of the present invention with accompanying drawing and detailed description, have in the technical field under any and know that usually the knowledgeable is after understanding preferred embodiment of the present invention, when can be by the technology of teachings of the present invention, change and modification, it does not break away from spirit of the present invention and scope.
With reference to Figure 1A and Figure 1B, it illustrates the synoptic diagram of sensing apparatus for guiding image straightly one preferred embodiment different conditions of the present invention respectively.Sensing apparatus for guiding image straightly can be applicable to an imaging apparatus 110, and imaging apparatus 110 can rotate in an electronic installation, and whether sensing apparatus for guiding image straightly then can need correcting in order to the image of sensing imaging apparatus 110.Sensing apparatus for guiding image straightly comprises a unidirectional magnetic line of force sensing element 120 and a magnet 130, and unidirectional magnetic line of force sensing element 120 is along with imaging apparatus 110 rotates in electronic installation, and unidirectional magnetic line of force sensing direction 120 has unidirectional sensing direction 122.Magnet 130 is disposed at electronic installation, and magnet 130 has a N utmost point 132 and a S utmost point 134, and a N-S extreme direction of magnet 130 is set to parallel with the sensing direction 122 of unidirectional magnetic line of force sensing element 120.
Because the magnetic line of force 136 of magnet 130 returns the S utmost point 134 from the N utmost point 132, in the state 150 of Figure 1A, the direction of the magnetic line of force 136 is identical with sensing direction 122, and therefore, the magnetic line of force 136 can be 120 sensings of unidirectional magnetic line of force sensing element.When imaging apparatus 110 rotates to another shooting direction in electronic installation, shown in the state 160 of Figure 1B, at this moment, imaging apparatus 110 differs 180 degree with the state 150 of Figure 1A, the direction of the magnetic line of force 136 is opposite with sensing direction 122, therefore, the magnetic line of force 136 can't be 120 sensings of unidirectional magnetic line of force sensing element.Sensing apparatus for guiding image straightly can utilize having or not of the unidirectional magnetic line of force sensing element 120 sensing magnetic lines of force 136, the judgement of correcting image as whether.
Electronic installation can have a rotary substrate 140, and imaging apparatus 110 can be installed on rotary substrate 140 with unidirectional magnetic line of force sensing element 120.Rotary substrate 140 can include circuit board, and circuit board can be handled the signal of unidirectional magnetic line of force sensing element 120, and the image of correcting imaging apparatus 110.For example, among Figure 1A, imaging apparatus 110 captured images are upright image, and unidirectional magnetic line of force sensing element 120 is the magnetic line of force 136 that sent of sensing magnet 130 normally.Among Figure 1B, imaging apparatus 110 captured images are the handstand image, unidirectional magnetic line of force sensing element 120 can't sense the magnetic line of force 136 that magnet 130 is sent smoothly, at this moment, the circuit board that links to each other with unidirectional magnetic line of force sensing element 120 and imaging apparatus 110 in the rotary substrate 140, the anti-turnback of image of output can be treated to normal upright image.
Unidirectional magnetic line of force sensing element 120 can be a unidirectional Hall element (hall sensor) that is installed on rotary substrate 140, perhaps, unidirectional magnetic line of force sensing element 120 can comprise a two-way Hall element and a magnetic line of force shielding layer 124, wherein two-way Hall element can be installed on rotary substrate 140, and 124 of magnetic line of force shielding layers are attached at the opposite one side of rotary substrate 140 and sensing direction 122.
With reference to Fig. 2 A and Fig. 2 B, it illustrates another preferred embodiment of sensing apparatus for guiding image straightly of the present invention respectively in the synoptic diagram of different conditions.Sensing apparatus for guiding image straightly can utilize unidirectional magnetic line of force sensing element 120 magnetic line of force 136 whether sensing magnet 130 is sent, whether to need the basis for estimation of correcting as the image of imaging apparatus 110.In the present embodiment, unidirectional magnetic line of force sensing element 120 is configurable in electronic installation, imaging apparatus 110 is configurable in rotary substrate 140 with magnet 130, wherein magnet 130 has the N utmost point 132 and the S utmost point 134, and a N-S extreme direction of magnet 130 is set to parallel with the sensing direction 122 of unidirectional magnetic line of force sensing element 120.Unidirectional magnetic line of force sensing element 120 can be unidirectional Hall element (hallsensor), perhaps, unidirectional magnetic line of force sensing element 120 can comprise a two-way Hall element and a magnetic line of force shielding layer 124, wherein two-way Hall element can be installed on electronic installation, and 124 of magnetic line of force shielding layers are attached at the opposite one side of two-way Hall element and sensing direction 122.
Because the magnetic line of force 136 of magnet 130 returns the S utmost point 134 from the N utmost point 132, in the state 170 of Fig. 2 A, the direction of the magnetic line of force 136 is identical with sensing direction 122, and therefore, the magnetic line of force 136 can be 120 sensings of unidirectional magnetic line of force sensing element.When imaging apparatus 110 rotates to another shooting direction in electronic installation, shown in the state 180 of Fig. 2 B, at this moment, imaging apparatus 110 differs 180 degree with the state 170 of Fig. 2 A, the direction of the magnetic line of force 136 is opposite with sensing direction 122, therefore, the magnetic line of force 136 can't be 120 sensings of unidirectional magnetic line of force sensing element.Sensing apparatus for guiding image straightly can utilize having or not of the unidirectional magnetic line of force sensing element 120 sensing magnetic lines of force 136, the judgement of correcting image as whether.
Electronic installation can have rotary substrate 140, and imaging apparatus 110 can be installed on rotary substrate 140 with unidirectional magnetic line of force sensing element 120.Rotary substrate 140 can include circuit board, and circuit board can be handled the signal of unidirectional magnetic line of force sensing element 120, and the image of correcting imaging apparatus 110.For example, among Fig. 2 A, imaging apparatus 110 captured images are upright image, and unidirectional magnetic line of force sensing element 120 is the magnetic line of force 136 that sent of sensing magnet 130 normally.Among Fig. 2 B, imaging apparatus 110 captured images are the handstand image, unidirectional magnetic line of force sensing element 120 can't sense the magnetic line of force 136 that magnet 130 is sent smoothly, at this moment, the circuit board that links to each other with unidirectional magnetic line of force sensing element 120 and imaging apparatus 110 in the rotary substrate 140, the anti-turnback of image of output can be treated to normal upright image.
With reference to Fig. 3, it is depicted as the synoptic diagram of rotary video capturing device one preferred embodiment of the present invention.Rotary video capturing device can be applicable to as in notebook computer 200 electronic installations such as grade, rotary video capturing device can rotate in notebook computer 200, so that two kinds of shooting directions to be provided, and utilize the image of sensing apparatus for guiding image straightly sensing rotation formula video capturing device whether to need correcting.Rotary video capturing device can be installed on the display housing 210 of notebook computer 200, comprise the rotary substrate 140 that is assembled in display housing 210, be disposed at imaging apparatus 110 and unidirectional magnetic line of force sensing element 120 on the rotary substrate 140, and the magnet 130 that is fixed in display housing 210.
With reference to Figure 1A and Fig. 3, the sensing direction 122 of wherein unidirectional magnetic line of force sensing element 120 is parallel with a N-S extreme direction of magnet 130 simultaneously.Unidirectional magnetic line of force sensing element 120 can be unidirectional Hall element, perhaps, unidirectional magnetic line of force sensing element 120 can comprise a two-way Hall element and a magnetic line of force shielding layer 124, wherein two-way Hall element can be installed on rotary substrate 140, and 124 of magnetic line of force shielding layers are attached at the opposite one side of rotary substrate 140 and sensing direction 122.
With reference to Fig. 4, it is depicted as the synoptic diagram of rotary another preferred embodiment of video capturing device of the present invention.Rotary video capturing device can be installed on the display housing 210 of notebook computer 200, comprise the rotary substrate 140 that is assembled in display housing 210, be disposed at imaging apparatus 110 and magnet 130 on the rotary substrate 140, and the unidirectional magnetic line of force sensing element 120 that is fixed in display housing 210.
With reference to Figure 1B and Fig. 4, the sensing direction 122 of wherein unidirectional magnetic line of force sensing element 120 is parallel with a N-S extreme direction of magnet 130 simultaneously.Unidirectional magnetic line of force sensing element 120 can be unidirectional Hall element, perhaps, unidirectional magnetic line of force sensing element 120 can comprise a two-way Hall element and a magnetic line of force shielding layer 124, wherein two-way Hall element can be installed on display housing 210, and 124 of magnetic line of force shielding layers are attached at the opposite one side of two-way Hall element and sensing direction 122.
Circuit board on the rotary substrate 140 can be handled the signal of imaging apparatus 110 and unidirectional magnetic line of force sensing element 120, and the image that will handle is sent to display output.
By the invention described above preferred embodiment as can be known, use the present invention and have following advantage: the present invention can utilize unidirectional magnetic line of force sensing element whether to sense the magnetic line of force, the basis for estimation that whether needs correcting as image, make circuit board when the picture that the processing imaging apparatus photographs, the further captured picture of correcting, line output again.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. whether sensing apparatus for guiding image straightly needs correcting in order to an image of sensing one camera assembly, and wherein above-mentioned camera assembly can rotate in an electronic installation, it is characterized in that, above-mentioned sensing apparatus for guiding image straightly comprises:
One unidirectional magnetic line of force sensing component, the camera assembly rotation along with above-mentioned has a sensing direction; And
One magnet is disposed at above-mentioned electronic installation, and a N-S extreme direction of wherein above-mentioned magnet is parallel with above-mentioned sensing direction,
Wherein when above-mentioned unidirectional magnetic line of force sensing component does not sense the magnetic line of force of above-mentioned magnet, then above-mentioned unidirectional magnetic line of force sensing component sends a signal that needs the above-mentioned image of the above-mentioned camera assembly of correcting.
2. sensing apparatus for guiding image straightly according to claim 1 is characterized in that, wherein above-mentioned unidirectional magnetic line of force sensing component is a unidirectional Hall element.
3. sensing apparatus for guiding image straightly according to claim 1 is characterized in that, wherein above-mentioned electronic installation has a rotary substrate, and above-mentioned camera assembly and above-mentioned unidirectional magnetic line of force sensing component are installed on above-mentioned rotary substrate.
4. sensing apparatus for guiding image straightly according to claim 3, it is characterized in that, wherein above-mentioned electronic installation is a notebook computer, above-mentioned notebook computer has a display housing, above-mentioned rotary substrate in batch is loaded on above-mentioned display housing, and above-mentioned magnet is fixed in above-mentioned display housing.
5. sensing apparatus for guiding image straightly according to claim 3, it is characterized in that, wherein above-mentioned unidirectional magnetic line of force sensing component comprises a two-way Hall element and a magnetic line of force shielding layer, above-mentioned two-way Hall element is installed on a side of above-mentioned rotary substrate, above-mentioned magnetic line of force shielding layer is attached at the opposite side of above-mentioned rotary substrate, and above-mentioned magnetic line of force shielding layer covers one of them sensing direction of above-mentioned two-way Hall element.
6. whether sensing apparatus for guiding image straightly needs correcting in order to an image of sensing one camera assembly, it is characterized in that wherein above-mentioned camera assembly can rotate in an electronic installation, and above-mentioned sensing apparatus for guiding image straightly comprises:
One unidirectional magnetic line of force sensing component is disposed at above-mentioned electronic installation, has a sensing direction; And
One magnet, along with above-mentioned camera assembly rotation, a N-S extreme direction of wherein above-mentioned magnet is parallel with above-mentioned sensing direction,
Wherein when above-mentioned unidirectional magnetic line of force sensing component does not sense the magnetic line of force of above-mentioned magnet, then above-mentioned unidirectional magnetic line of force sensing component sends a signal that needs the above-mentioned image of the above-mentioned camera assembly of correcting.
7. a rotary video capturing device is characterized in that, above-mentioned rotary video capturing device comprises:
One rotary substrate has a circuit board, is disposed at an electronic installation;
One camera assembly is disposed at above-mentioned rotary substrate, and wherein above-mentioned rotary substrate and above-mentioned camera assembly can rotate in above-mentioned electronic installation;
One unidirectional magnetic line of force sensing component has a sensing direction, is disposed at
Above-mentioned rotary substrate; And
One magnet is disposed at above-mentioned electronic installation, and a N-S extreme direction of wherein above-mentioned magnet is parallel with above-mentioned sensing direction,
Wherein when above-mentioned unidirectional magnetic line of force sensing component does not sense the magnetic line of force of above-mentioned magnet, then above-mentioned unidirectional magnetic line of force sensing component sends a signal of above-mentioned image that needs the above-mentioned camera assembly of correcting to above-mentioned circuit board, and the foregoing circuit buttress is according to the image of the above-mentioned photography assembly of above-mentioned signal correcting.
8. rotary video capturing device according to claim 7 is characterized in that, wherein above-mentioned unidirectional magnetic line of force sensing component is a unidirectional Hall element.
9. rotary video capturing device according to claim 7, it is characterized in that, wherein above-mentioned unidirectional magnetic line of force sensing component comprises a two-way Hall element and a magnetic line of force shielding layer, above-mentioned two-way Hall element is installed on a side of above-mentioned rotary substrate, above-mentioned magnetic line of force shielding layer is attached at the opposite side of rotary substrate, and above-mentioned magnetic line of force shielding layer covers one of them sensing direction of above-mentioned two-way Hall element.
10. rotary video capturing device according to claim 7, it is characterized in that, wherein above-mentioned electronic installation is a notebook computer, above-mentioned notebook computer has a display housing, above-mentioned rotary substrate in batch is loaded on above-mentioned display housing, and above-mentioned magnet is fixed in above-mentioned display housing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200710097479A CN101303846B (en) | 2007-05-09 | 2007-05-09 | Sensing apparatus for guiding image straightly |
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| CN200710097479A CN101303846B (en) | 2007-05-09 | 2007-05-09 | Sensing apparatus for guiding image straightly |
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| CN101303846B true CN101303846B (en) | 2010-05-26 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006145986A (en) * | 2004-11-22 | 2006-06-08 | Canon Inc | Image display device |
| CN1991559A (en) * | 2005-12-26 | 2007-07-04 | 鑫视科技股份有限公司 | Image acquisition system and focusing device therefor |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006145986A (en) * | 2004-11-22 | 2006-06-08 | Canon Inc | Image display device |
| CN1991559A (en) * | 2005-12-26 | 2007-07-04 | 鑫视科技股份有限公司 | Image acquisition system and focusing device therefor |
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