1. An image conversion apparatus which is able to communicate with a source apparatus including a converter to convert a two-dimensional (2D) image to a three-dimensional (3D) image, the image conversion apparatus comprising:
a three-dimensional (3D) conversion instruction module configured to instruct execution of a 3D conversion required to convert an input image from the source apparatus into a 3D image;
a determination module configured to determine validity or invalidity of the 3D conversion instruction based on whether the input image corresponds to a 3D image format or a two-dimensional (2D) image format, or based on a cancel instruction of 3D conversion processing to the source apparatus of the input image;
an instruction module configured to instruct the source apparatus to cancel 3D conversion processing in the source apparatus in response to the 3D conversion instruction, when the 3D conversion processing for converting the input image into the 3D image and outputting the 3D image are set in the source apparatus;
a converter configured to convert, based on validity determination of the 3D conversion instruction in response to the cancel instruction which is to cancel the 3D conversion processing in the source apparatus, an input 2D image into the 3D image in response to the 3D conversion instruction; and
an output module configured to output the 3D image.
2. The apparatus of claim 1, wherein the determination module is configured to determine validity of the 3D conversion instruction when the determination module determines that the input image corresponds to the 2D image format,
the converter is configured to convert, based on validity determination of the 3D conversion instruction, the input image into the 3D image in response to the 3D conversion instruction, and
the output module is configured to output the 3D image.
3. The apparatus of claim 1, wherein the determination module is configured to determine invalidity of the 3D conversion instruction when the determination module determines that the input image corresponds to the 3D image format, and
the output module is configured to output, based on invalidity determination of the 3D conversion instruction, the input image in response to the 3D conversion instruction.
4. The apparatus of claim 1, further comprising:
a 2D conversion instruction module configured to instruct execution of a 2D conversion required to convert the input image into a 2D image,
wherein the determination module is configured to determine validity or invalidity of the 2D conversion instruction based on whether the input image corresponds to the 3D image format or the 2D image format, and
the converter is configured to convert, based on validity determination of the 2D conversion instruction, the input image into the 2D image in response to the 2D conversion instruction.
5. The apparatus of claim 4, wherein the output module is configured to output the 2D image.
6. The apparatus of claim 5, wherein the determination module is configured to determine validity of the 2D conversion instruction when the determination module determines that the input image corresponds to the 3D image format,
the converter is configured to convert, based on validity determination of the 2D conversion instruction, the input image into the 2D image in response to the 2D conversion instruction, and
the output module is configured to output the 2D image.
7. The apparatus of claim 5, wherein the determination module is configured to determine invalidity of the 2D conversion instruction when the determination module determines that the input image corresponds to the 2D image format, and
the output module is configured to output, based on invalidity determination of the 2D conversion instruction, the input image in response to the 2D conversion instruction.
8. The apparatus of claim 4, wherein the instruction module is configured to instruct a source apparatus of the input image to cancel 2D conversion processing in the source apparatus in response to the 2D conversion instruction.
9. The apparatus of claim 4, wherein the instruction module is configured to instruct, when 2D conversion processing for converting the input image into the 2D image and outputting the 2D image are set in a source apparatus of the input image, the source apparatus to cancel the 2D conversion processing in the source apparatus in response to the 2D conversion instruction.
10. The apparatus of claim 1, wherein the determination module is configured to determine, based on attribute information in input image data including the input image, whether the input image corresponds to the 2D image format or the 3D image format.
11. The apparatus of claim 1, wherein the determination module is configured to analyze a plurality of frames that configure the input image to determine whether the input image corresponds to the 2D image format or the 3D image format.
12. An image conversion method applied to an image conversion apparatus which is able to communicate with a source apparatus including a converter to convert a two-dimensional (2D) image to a three-dimensional (3D) image, the image conversion method comprising:
instructing execution of a 3D conversion required to convert an input image from the source apparatus into a 3D image,
determining validity or invalidity of an instruction of a three-dimensional (3D) conversion based on whether the input image corresponds to a 3D image format or a two-dimensional (2D) image format, or based on a cancel instruction of 3D conversion processing to the source apparatus of the input image;
instructing the source apparatus to cancel 3D conversion processing in the source apparatus in response to the 3D conversion instruction, when the 3D conversion processing for converting the input image into the 3D image and outputting the 3D image are set in the source apparatus;
converting, based on validity determination of the 3D conversion instruction in response to the cancel instruction which is to cancel the 3D conversion processing in the source apparatus, an input 2D image into the 3D image in response to the 3D conversion instruction; and
outputting the 3D image.
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. A vacuum pump comprising:
a pump case forming an inlet port at an upper surface;
a rotor provided rotatably in the pump case;
rotor blades provided integrally with an outer circumferential surface of the rotor;
stator blades positioned and arranged between the rotor blades or at the outside thereof;
a driving motor for rotating the rotor; and
a ring shape groove formed at an internal surface of a lower portion side of the rotor.
2. A vacuum pump according to claim 1, the vacuum pump further comprising a weight is fit in and attached to the ring shape groove.
3. A vacuum pump according to claim 2, wherein the ring shape groove forms a dovetail groove.
4. A vacuum pump according to claim 3, wherein the weight is press fit to the dovetail groove.
5. A vacuum pump according to claim 2, wherein the internal surface of the rotor, from a lower portion opening end of the rotor to the ring shape groove, is cut to provide a cut out portion formed thereby.
6. A vacuum pump according to claim 2, wherein the plurality of ring shape grooves are provided in a vertical direction of the rotor.
7. A vacuum pump according to claim 2, wherein when the weight is accommodated in a box body provided with leaf spring members on both sides thereof, and the body box including the weight is inserted and set in the ring shape groove, the leaf spring members of the body box cause an elasticity return and are pressed by the inner walls of the ring shape groove to be in contact therewith, whereby the weight together with the box body is fitted in and attached to the ring shape groove.
8. A vacuum pump according to claim 2, wherein the leaf spring member is folded into a U-shape, a holder including pinching pieces is used, which are constituted by further folding back externally the both sides of the folded end, and the weight is fixed integrally to the inner side bottom portion formed in a U-shape of the holder, and
that when the holder including the weight is inserted and set in the ring shape groove, the pinching pieces of the holder cause an elasticity return to be pressed by the inner walls of the ring shape groove to be in contact therewith, whereby the weight together with the holder is fitted in and attached to the ring shape groove.