1. A frequency stabilization circuit comprising:
a primary side circuit including:
a first reactance element connected to a feeder circuit; and
a second reactance element connected in series to the first reactance element;
a secondary side circuit including:
a third reactance element electromagnetically coupled to the first reactance element; and
a fourth reactance element connected in series between the second reactance element and the third reactance element and electromagnetically coupled to the second reactance element;
a first antenna connection portion connected to a connection point of the first reactance element and the second reactance element, or to a connection point of the third reactance element and the fourth reactance element; and
a second antenna connection portion connected to a connection point of the second reactance element and the fourth reactance element.
2. The frequency stabilization circuit according to claim 1, wherein the first antenna connection portion and the second antenna connection portion are terminals that are directly or indirectly connected to a shared antenna.
3. The frequency stabilization circuit according to claim 1, wherein the first antenna connection portion and the second antenna connection portion are terminals that are directly or indirectly connected to respective different antennas.
4. The frequency stabilization circuit according to claim 1, wherein the first, second, third, and fourth reactance elements are inductance elements that each primarily include an inductance component.
5. The frequency stabilization circuit according to claim 4, wherein the first, second, third, and fourth reactance elements are inductance elements that each also include a capacitance component.
6. The frequency stabilization circuit according to claim 5, wherein each of the inductance elements includes a coiled conductor pattern.
7. The frequency stabilization circuit according to claim 6, wherein the coiled conductor pattern is included in a laminate including a plurality of dielectric layers or magnetic layers that are laminated to one another.
8. The frequency stabilization circuit according to claim 1, the first reactance element and the second reactance element have different inductance values, and the third reactance element and the fourth reactance element have different inductance values.
9. The frequency stabilization circuit according to claim 1, further comprising a frequency filter connected to the first antenna connection portion and the second antenna connection portion.
10. An antenna device comprising:
a frequency stabilization circuit including:
a primary side circuit that includes:
a first reactance element connected to a feeder circuit; and
a second reactance element connected in series to the first reactance element;
a secondary side circuit that includes:
a third reactance element electromagnetically coupled to the first reactance element; and
a fourth reactance element connected in series between the second reactance element and the third reactance element and electromagnetically coupled to the second reactance element;
a first antenna element connected to a connection point of the first reactance element and the second reactance element, or to a connection point of the second reactance element and the fourth reactance element; and
a second antenna element connected to a connection point of the third reactance element and the fourth reactance element.
11. The antenna device according to claim 10, wherein the first antenna element and the second antenna element are defined by a common antenna element.
12. The antenna device according to claim 10, wherein the first antenna element and the second antenna element are defined by different antenna elements.
13. The antenna device according to claim 10, further comprising:
a first frequency filter disposed between a connection point of the first reactance element and the second reactance element and the first antenna element, or between a connection point of the third reactance element and the fourth reactance element and the first antenna element; and
a second frequency filter disposed between the second antenna element and a connection point of the second reactance element and the fourth reactance element.
14. The antenna device according to claim 10, wherein the first, second, third, and fourth reactance elements are inductance elements that each primarily include an inductance component.
15. A communication terminal apparatus comprising:
an antenna device including:
a primary side circuit that includes:
a first reactance element connected to a feeding terminal; and
a second reactance element connected in series to the first reactance element;
a secondary side circuit that includes:
a third reactance element electromagnetically coupled to the first reactance element, and
a fourth reactance element connected in series between the second reactance element and the third reactance element and electromagnetically coupled to the second reactance element;
a first antenna element connected to a connection point of the first reactance element and the second reactance element, or to a connection point of the third reactance element and the fourth reactance element; and
a second antenna element connected to a connection point of the second reactance element and the fourth reactance element; and
a communication circuit connected to the feeding terminal.
16. The communication terminal apparatus according to claim 15, wherein the first antenna element and the second antenna element are defined by a common antenna element.
17. The communication terminal apparatus according to claim 15, wherein the first antenna element and the second antenna element are defined by different antenna elements.
18. The communication terminal apparatus according to claim 15, further comprising:
a first frequency filter disposed between a connection point of the first reactance element and the second reactance element and the first antenna element, or between a connection point of the third reactance element and the fourth reactance element and the first antenna element; and
a second frequency filter disposed between the second antenna element and a connection point of the second reactance element and the fourth reactance element.
19. The communication terminal apparatus according to claim 15, wherein the first, second, third, and fourth reactance elements are inductance elements that each primarily include an inductance component.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An image-capturing method for correcting deviated viewing angle in image capturing comprising:
capturing image frames with a default image-capturing viewing angle by an image-capturing device; and
when a difference magnitude existing between a gravity-sensing inclination value collected by the image-capturing device and a reference axial direction is determined, reversely adjusting the default image-capturing viewing angle for further capturing other image frames in accordance with the difference magnitude.
2. The image-capturing method for correcting deviated viewing angle in image capturing of claim 1, wherein the step of reversely adjusting the default image-capturing viewing angle for further capturing the other image frames in accordance with the difference magnitude comprises:
reversely shifting an instant image-capturing viewing angle of the image-capturing device to become a first corrected image-capturing viewing angle being at least partially overlapping the default image-capturing viewing angle in accordance with the difference magnitude, such that the image-capturing device is allowed to further continuously capture the other image frames with the first corrected image-capturing viewing angle.
3. The image-capturing method for correcting deviated viewing angle in image capturing of claim 2, wherein the step of reversely adjusting the default image-capturing viewing angle for further capturing the other image frames in accordance with the difference magnitude further comprises:
reversely rotating and shifting the instant image-capturing viewing angle to become the first corrected image-capturing viewing angle in accordance with the difference magnitude.
4. The image-capturing method for correcting deviated viewing angle in image capturing of claim 3, wherein the step of reversely adjusting the default image-capturing viewing angle for further capturing the other image frames in accordance with the difference magnitude further comprises:
moving an image capturing module of the image-capturing device by a driving unit of the image-capturing device to reversely rotate and shift the instant image-capturing viewing angle to become the first corrected image-capturing viewing angle in accordance with the difference magnitude.
5. The image-capturing method for correcting deviated viewing angle in image capturing of claim 1, wherein the reference axial direction is an axial direction of gravity.
6. The image-capturing method for correcting deviated viewing angle in image capturing of claim 1, further comprising:
after the image frames captured with the default image-capturing viewing angle, when a plurality of the gravity-sensing inclination values being further collected by the image-capturing device are determined to be the same and different to the reference axial direction, setting one of the gravity-sensing inclination values as the reference axial direction.
7. The image-capturing method for correcting deviated viewing angle in image capturing of claim 2, further comprising:
collecting a plurality of the gravity-sensing inclination values, and calculating out an average value of the gravity-sensing inclination values after the instant image-capturing viewing angle of the image-capturing device is reversely shifted to become the first corrected image-capturing viewing angle; and
adjusting another instant image-capturing viewing angle of the image-capturing device to become a second corrected image-capturing viewing angle in accordance with the average value, such that the image-capturing device is allowed to further continuously capture image frames with the second corrected image-capturing viewing angle.
8. The image-capturing method for correcting deviated viewing angle in image capturing of claim 2, further comprising:
collecting a plurality of the gravity-sensing inclination values, and calculating out a calculation result of the gravity-sensing inclination values and a weight rule after the instant image-capturing viewing angle of the image-capturing device is reversely shifted to become the first corrected image-capturing viewing angle; and
adjusting another instant image-capturing viewing angle of the image-capturing device to be a second corrected image-capturing viewing angle in accordance with the calculation result, such that the image-capturing device is allowed to further continuously capture image frames with the second corrected image-capturing viewing angle.
9. The image-capturing method for correcting deviated viewing angle in image capturing of claim 1, wherein the step of capturing the image frames by the image-capturing device with a default image-capturing viewing angle comprises:
sensing a first sensitive pixel image by the image-capturing device, and obtaining a first clipped picture by clipping from the first sensitive pixel image in accordance with a default image-capturing region reflected correspondingly to the first sensitive pixel image.
10. The image-capturing method for correcting deviated viewing angle in image capturing of claim 9, wherein, when the default image-capturing viewing angle is reversely adjusted in accordance with the difference magnitude, the default image-capturing region is preset to be a central zone of the first sensitive pixel image.
11. The image-capturing method for correcting deviated viewing angle in image capturing of claim 9, wherein the step of reversely adjusting the default image-capturing viewing angle in accordance with the difference magnitude further comprises:
sensing a second sensitive pixel image by the image-capturing device; and
reversely shifting the default image-capturing region reflected correspondingly to the second sensitive pixel image in accordance with the difference magnitude, and obtaining a second clipped picture by clipping the reversely shifted default image-capturing region from the second sensitive pixel image.
12. The image-capturing method for correcting deviated viewing angle in image capturing of claim 11, wherein the step of obtaining the second clipped picture by clipping the reversely shifted default image-capturing region from the second sensitive pixel image further comprises:
after the second sensitive pixel image is sensed, the second sensitive pixel image is stored into a temporary memory, and the second clipped picture is obtained by clipping the reversely shifted default image-capturing region from the second sensitive pixel image in the temporary memory, and then the second clipped picture is stored in a non-volatile memory.
13. The image-capturing method for correcting deviated viewing angle in image capturing of claim 11, wherein the step of obtaining the second clipped picture by clipping the reversely shifted default image-capturing region from the second sensitive pixel image further comprises:
after the second sensitive pixel image is sensed, the second sensitive pixel image is stored into a non-volatile memory first, and the second clipped picture is obtained by clipping the reversely shifted default image-capturing region from the second sensitive pixel image in the non-volatile memory.
14. The image-capturing method for correcting deviated viewing angle in image capturing of claim 11, wherein when the default image-capturing region is reversely shifted to an edge of the second sensitive pixel image, redrawing the edge of the second sensitive pixel image before the second clipped picture is obtained.
15. The image-capturing method for correcting deviated viewing angle in image capturing of claim 11, further comprising:
after the first sensitive pixel image is sensed, when a plurality of the gravity-sensing inclination values being further collected by the image-capturing device are determined to be the same and different to the reference axial direction, setting one of the gravity-sensing inclination values as the reference axial direction.
16. The image-capturing method for correcting deviated viewing angle in image capturing of claim 11, further comprising:
collecting a plurality of the gravity-sensing inclination values by the image-capturing device, and calculating out an average value of the gravity-sensing inclination values after the second clipped picture is obtained; and
sensing a third sensitive pixel image by the image-capturing device, and reversely shifting the default image-capturing region reflected correspondingly to the third sensitive pixel image in accordance with the average value, and obtaining a third clipped picture by clipping the reversely shifted default image-capturing region from the third sensitive pixel image.
17. The image-capturing method for correcting deviated viewing angle in image capturing of claim 11, further comprising:
collecting a plurality of the gravity-sensing inclination values, and calculating out a calculation result of the gravity-sensing inclination values and a weight rule after the second clipped picture is obtained; and
sensing a third sensitive pixel image by the image-capturing device, reversely shifted the default image-capturing region reflected correspondingly to the third sensitive pixel image in accordance with the calculation result, and obtaining a third clipped picture by clipping the reversely shifted default image-capturing region from the third sensitive pixel image.
18. An image-capturing device for correcting deviated viewing angle in image capturing, comprising:
a main body;
an image capturing module pivotally disposed on the main body, and operated for capturing image frames with a default image-capturing viewing angle;
a driving unit coupled to the image capturing module, and operated for shifting an instant image-capturing viewing angle of the image capturing module;
a gravity sensing unit disposed on the main body, and operated for sensing a gravity-sensing inclination value of the main body; and
a processing unit electrically connected to the driving unit, the image capturing module and the gravity sensing unit,
wherein, whenever the processing unit determines that a difference magnitude exits between a reference axial direction and the gravity-sensing inclination value, the driving unit reversely shifts the instant image-capturing viewing angle of the image capturing module to become a corrected image-capturing viewing angle being at least partially overlapping the default image-capturing viewing angle in accordance with the difference magnitude, such that the image-capturing device is allowed to further continuously capture other image frames with the corrected image-capturing viewing angle.
19. The image-capturing device for correcting deviated viewing angle of claim 18, wherein the driving unit is a motor device or a solenoid valve.
20. An image-capturing device for correcting deviated viewing angle in image capturing, comprising:
an image capturing module operated for sensing a first sensitive pixel image;
a gravity sensing unit operated for collecting a gravity-sensing inclination value; and
a processing unit electrically connected to the image capturing module and the gravity sensing unit, and operated for obtaining a first clipped picture by clipping from the first sensitive pixel image in accordance with a default image-capturing region reflected correspondingly to the first sensitive pixel image,
wherein, when the processing unit determines that a difference magnitude exits between a reference axial direction and the gravity-sensing inclination value, the processing unit reversely shifts the default image-capturing region reflected correspondingly to a second sensitive pixel image sensed by the image capturing module in accordance with the difference magnitude, and obtains a second clipped picture by clipping the reversely shifted default image-capturing region from the second sensitive pixel image.