1460743438-d47cca98-dcb2-4b6d-ab42-d66ba8b6cbd2

1. An electronic device, comprising:
a main body comprising:
an elastic member; and
a positioning member resisting the elastic member; and

a table stand rotatably connected to the main body for supporting the main body, the table stand defining at least two positioning holes therein, the table stand being operable to rotate relative to the main body, such that the positioning member is operable to be inserted into either one of the at least two positioning holes to fix the table stand under the elastic force of the elastic member.
2. The electronic device of claim 1, wherein the main body defines an opening, the elastic member and the positioning member are disposed adjacent to the opening, the table stand comprises a supporting plate and a positioning plate disposed on the supporting plate, the supporting plate is operable to support the main body, the positioning plate is rotatably inserted through the opening and faces the positioning member, the at least two positioning holes are defined in the positioning plate.
3. The electronic device of claim 2, wherein the main body defines a pair of pivot holes, the table stand comprises two shafts formed on one end of the supporting plate, the two shafts are respectively inserted into the pair of pivot holes, such that the supporting plate is operable to rotate relative to the main body.
4. The electronic device of claim 3, wherein the supporting plate defines at least one slot from the end of the supporting plate where the two shafts are formed, such that at least one of the two shafts is operable to move toward the positioning plate.
5. The electronic device of claim 3, wherein the main body defines a space therein, the supporting plate is operable to be received in the space.
6. The electronic device of claim 1, wherein the main body comprises a fixing mechanism, the fixing mechanism comprises the elastic member and the positioning member, the fixing mechanism further comprises a top cover and a bottom cover, the top cover and the bottom cover jointly defines a first hole and a second hole communicating with the first hole, the elastic member is received in the first hole, the positioning member comprises a first portion and a second portion formed on the first portion, the first portion is received in the first hole and resists the elastic member, the second portion protrudes from the second hole and resists the positioning plate.
7. The electronic device of claim 1, wherein the main body comprises a front body and a rear cover covering a back of the front body, the table stand is rotatably connected to the rear cover.
8. The electronic device of claim 1, wherein the at least two positioning holes are substantially aligned in an arc.
9. An electronic device, comprising:
a main body; and
a table stand connected to the main body for supporting the main body;
wherein the main body comprises a positioning member, the table stand defines at least two positioning holes, the table stand is operable to rotate relative to the main body, the positioning member is operable to be selectively inserted into either one of the at least two positioning holes, such that the table stand is operable to form a corresponding predetermined angle with the main body.
10. The electronic device of claim 9, wherein the main body further comprises a compressed elastic member resisted by the positioning member, the elastic member is operable to insert the positioning member into one of the at least two positioning holes aligned with the positioning member by applying a repelling force to the positioning member.
11. The electronic device of claim 10, wherein the main body comprises a fixing mechanism, the fixing mechanism comprises the elastic member and the positioning member, the fixing mechanism further comprises a top cover and a bottom cover, the top cover and the bottom cover defines a first hole and a second hole communicating with the first hole, the elastic member is received in the first hole, the positioning member comprises a first portion and a second portion connected to the first portion, the first portion is received in the first hole and resists the elastic member, the second portion protrudes from the second hole and resists the positioning plate.
12. The electronic device of claim 9, wherein the main body defines an opening, the table stand comprises a supporting plate and a positioning plate extending from the supporting plate, the supporting plate is adapted to support the main body, the positioning plate is rotatably inserted through the opening and faces the positioning member, the at least two positioning holes are defined in the positioning plate.
13. The electronic device of claim 12, wherein the main body defines a pair of pivot holes, the table stand comprises two shafts formed on one end of the supporting plate, the two shafts are respectively inserted into the pair of pivot holes, such that the supporting plate is operable to rotate relative to the main body.
14. The electronic device of claim 13, wherein the supporting plate defines at least one slot from the end of the supporting plate where the two shafts are formed, such that at least one of the two shafts is operable to move toward the positioning plate.
15. The electronic device of claim 13, wherein the main body defines a space therein, the supporting plate is operable to be received in the space.
16. The electronic device of claim 9, wherein the main body comprises a front body and a rear cover covering a back of the front body, the table stand is rotatably connected to the rear cover.
17. The electronic device of claim 9, wherein the at least two positioning holes are substantially aligned in an arc.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

What is claimed is:

1. An image synthesis and communication apparatus comprising:
imaging means for inputting images in time series;
image storing means for storing the images inputted from the imaging means;
feature point extracting means for extracting a point of a large luminance change from an image of a current frame, as a feature point;
search range determining means for determining a predetermined region of an image of a subsequent frame, as a search range for a correlation calculation;
correlation calculating means for obtaining correlations between the feature point and pixels in the search range;
image synthesizing means for synthesizing an image on the basis of a motion amount obtained from the correlation calculating means;
image transmitting means for transmitting an image obtained from the image synthesizing means; and
image receiving means for receiving the image transmitted from the image transmitting means.
2. The image synthesis and communication apparatus of claim 1, wherein the search range determining means determines the search range on the basis of a motion amount obtained from images of current and previous frames.
3. The image synthesis and communication apparatus of claim 1, wherein the feature point extracting means extracts, as a feature point, a point of a large luminance change from plural regions where coordinates in one direction coincide with one another in an image of a current image, the search range determining means determines a search range for a correlation calculation, for each of the regions of a subsequent frame, and the correlation calculating means performs a correlation calculation for each of the regions.
4. An image synthesis and communication apparatus comprising:
imaging means for inputting images in time series;
image transmitting means for transmitting images obtained from the imaging means;
image receiving means for receiving the images transmitted from the image transmitting means;
image storing means for storing the images inputted from the image receiving means;
feature point extracting means for extracting a point of a large luminance change from an image of a current frame, as a feature point;
search range determining means for determining a predetermined region of an image of a subsequent frame, as a search range for a correlation calculation;
correlation calculating means for obtaining correlations between the feature point and pixels in the search range; and
image synthesizing means for receiving a motion amount obtained from the correlation calculating means, and synthesizing an image.
5. The image synthesis and communication apparatus of claim 4, wherein the search range determining means determines the search range on the basis of a motion amount obtained from images of current and previous frames.
6. The image synthesis and communication apparatus of claim 4, wherein the feature point extracting means extracts, as a feature point, a point of a large luminance change from plural regions where coordinates in one direction coincide with one another in an image of a current frame, the search range determining means determines a search range for a correlation calculation, for each of the regions of a subsequent frame, and the correlation calculating means performs a correlation calculation for each of the regions.
7. An image synthesis and communication apparatus comprising:
imaging means for inputting images in time series;
image storing means for storing the images inputted from the imaging means;
feature point extracting means for extracting a point of a large luminance change from an image of a current frame, as a feature point;
search range determining means for determining a predetermined region of an image of a subsequent frame, as a search range for a correlation calculation;
correlation calculating means for obtaining correlations between the feature point and pixels in the search range;
update image calculating means for obtaining an image of a newly-imaged portion from a motion amount obtained from the correlation calculating means;
image transmitting means for transmitting the motion amount obtained from the correlation calculating means, and a partial image obtained from the update image calculating means;
image receiving means for receiving the motion amount and the partial image transmitted from the image transmitting means; and
image synthesizing means for synthesizing an image from the motion amount and the partial image obtained from the image receiving means.
8. The image synthesis and communication apparatus of claim 7, wherein the search range determining means determines the search range on the basis of the motion amount obtained from images of current and previous frames.
9. The image synthesis and communication apparatus of claim 7, wherein the feature point extracting means extracts, as a feature point, a point of a large luminance change from plural regions where coordinates in one direction coincide with one another in an image of a current frame, the search range determining means determines a search range for a correlation calculation, for each of the regions of a subsequent frame, and the correlation calculating means performs a correlation calculation for each of the regions.