All The Claims

1. A non-rotational Computerized Tomography (CT) system, comprising:
a plurality of X-ray generation units spaced apart from an examination target by a regular distance and radially arranged around the examination target, the X-ray generation units having position correction sensors arranged in portions thereof;
a plurality of X-ray detection units arranged in separated spaces between the X-ray generation units and installed to alternate with the X-ray generation units, the X-ray detection units having position correction sensors arranged in portions thereof; and
a control unit configured to receive signals from the position correction sensors arranged on the X-ray generation units and the X-ray detection units, and adjust positions of corresponding X-ray generation units and X-ray detection units so that the corresponding X-ray generation units and X-ray detection units exactly face each other.
2. The non-rotational CT system of claim 1, wherein each of the X-ray generation units includes an X-ray guide provided on a first side thereof towards the examination target.
3. The non-rotational CT system of claim 1, wherein each of the X-ray detection units includes an X-ray guide provided on a first side thereof towards the examination target, and is configured to allow X-rays generated by an X-ray generation unit exactly facing the corresponding X-ray detection unit to pass through the examination target and to be then transferred only to a designated X-ray detection unit.
4. The non-rotational CT system of claim 2, wherein the X-ray guides of the X-ray generation units and the X-ray detection units are made of an X-ray absorbing material.
5. The non-rotational CT system of claim 2, wherein each of the X-ray generation units includes a K\u03b1 X-ray filter disposed at an end of the X-ray guide of the X-ray generation unit and configured to function to prevent mutual interference between X-rays having K\u03b1 and K\u03b2 characteristics.
6. The non-rotational CT system of claim 3, wherein each of the X-ray detection units includes an elastic scattering prevention filter arranged at an end of the X-ray guide of the X-ray detection unit.
7. The non-rotational CT system of claim 1, wherein the control unit receives signals from the position correction sensors, and adjusts positions and directions of the X-ray generation units and the X-ray detection units so that X-rays generated by one X-ray generation unit pass through the examination target and can then be transferred only to an X-ray detection unit designated to face the corresponding X-ray generation unit.
8. A non-rotational Computerized Tomography (CT) system, comprising:
a plurality of X-ray generation units spaced apart from an examination target by a regular distance and radially arranged around the examination target, the X-ray generation units having position correction sensors arranged in portions thereof;
a plurality of X-ray detection units arranged in separated spaces between the X-ray generation units and installed to alternate with the X-ray generation units, the X-ray detection units having position correction sensors arranged in portions thereof;
a control unit configured to receive signals from the position correction sensors arranged on the X-ray generation units and the X-ray detection units, and adjust positions of corresponding X-ray generation units and X-ray detection units so that the corresponding X-ray generation units and X-ray detection units exactly face each other;
a data processing unit configured to store 2D X-ray images acquired by the X-ray detection units and calculate 2D X-ray images between two directions using an image interpolation technique; and
an image processing unit configured to convert data of the data processing unit into CT image data.
9. The non-rotational CT system of claim 8, wherein each of the X-ray generation units includes an X-ray guide provided on a first side thereof towards the examination target.
10. The non-rotational CT system of claim 8, wherein each of the X-ray detection units includes an X-ray guide provided on a first side thereof towards the examination target, and is configured to allow X-rays generated by an X-ray generation unit exactly facing the corresponding X-ray detection unit to pass through the examination target and to be then transferred only to a designated X-ray detection unit.
11. The non-rotational CT system of claim 9, wherein the X-ray guides of the X-ray generation units and the X-ray detection units are made of an X-ray absorbing material.
12. The non-rotational CT system of claim 9, wherein each of the X-ray generation units includes a K\u03b1 X-ray filter disposed at an end of the X-ray guide of the X-ray generation unit and configured to function to prevent mutual interference between X-rays having K\u03b1 and K\u03b2 characteristics.
13. The non-rotational CT system of claim 10, wherein each of the X-ray detection units includes an elastic scattering prevention filter arranged at an end of the X-ray guide of the X-ray detection unit.
14. The non-rotational CT system of claim 8, wherein the control unit receives signals from the position correction sensors, and adjusts positions and directions of the X-ray generation units and the X-ray detection units so that X-rays generated by one X-ray generation unit pass through the examination target and can then be transferred only to an X-ray detection unit designated to face the corresponding X-ray generation unit.
15. The non-rotational CT system of claim 8, wherein the 2D X-ray data acquired using the image interpolation technique is obtained by converting images into CT image data using an Ordered Subset Expectation Maximization (OSEM) technique.

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. A method, comprising:
receiving data at a network interface;
inserting the data into storage for un-reassembled data fragments;
determining a size of the un-reassembled data fragments; and
when the size exceeds a predetermined threshold, discarding additional data received at the network interface.
2. The method of claim 1, wherein inserting the data into storage comprises:
inserting the data into one or more queue banks; and
linking the one or more queue banks to a reassembly chain for the network interface,
wherein determining the size comprises determining a number of queue banks linked to the reassembly chain.
3. The method of claim 2, further comprising, after linking the one or more queue banks to the reassembly chain, assembling a datagram from data stored in queue banks and linked in the reassembly chain, wherein the step of assembling is performed before the step of determining the number of queue banks.
4. The method of claim 1, further comprising, when the size exceeds the predetermined threshold, logging a threshold-exceeded event.
5. The method of claim 1, further comprising, when the size exceeds the predetermined threshold, invoking a cleanup process for the storage of un-reassembled data fragments.
6. The method of claim 5, further comprising, when the size is reduced by the cleanup process to below a second predetermined threshold, accepting additional data received at the network interface.
7. The method of claim 1, further comprising, after receiving the data at the network interface:
checking the validity of the received data and discarding the received data if the received data is determined to be invalid.
8. A computer program product, comprising:
a non-transitory computer readable medium comprising code to perform the steps comprising:
receiving data at a network interface;
inserting the data into storage for un-reassembled data fragments;
determining a size of the un-reassembled data fragments; and
when the size exceeds a predetermined threshold, discarding additional data received at the network interface.
9. The computer program product of claim 8, wherein inserting the data into storage comprises:
inserting the data into one or more queue banks; and
linking the one or more queue banks to a reassembly chain for the network interface, and
wherein determining the size comprises determining a number of queue banks linked to the reassembly chain.
10. The computer program product of claim 9, wherein the medium further comprises code to, after linking the one or more queue banks to the reassembly chain, assemble a datagram from data stored in queue banks and linked in the reassembly chain, wherein the step of assembling is performed before the step of determining the number of queue banks.
11. The computer program product of claim 8, wherein the medium further comprises code to, when the size exceeds the predetermined threshold, log a threshold-exceeded event.
12. The computer program product of claim 8, wherein the medium further comprises code to invoke, when the size exceeds the predetermined threshold, a cleanup process for the storage of tin-reassembled data fragments.
13. The computer program product of claim 12, wherein the medium further comprises code to accept, when the size is reduced by the cleanup process to below a second predetermined threshold, additional data received at the network interface.
14. The computer program product of claim 8, wherein the medium further comprises code to check, after receiving the data at the network interface, the validity of the received data and code to discard the received data if the received data is determined to be invalid.
15. An apparatus, comprising:
a memory; and
a processor coupled to the memory, wherein the processor is configured to perform the steps comprising:
receiving data at a network interface;
inserting the data into storage for un-reassembled data fragments;
determining a size of the un-reassembled data fragments; and
when the size exceeds a predetermined threshold, discarding additional data received at the network interface.
16. The apparatus of claim 15, wherein the processor is further configured to log, when the size exceeds the predetermined threshold, a threshold-exceeded event.
17. The apparatus of claim 15, wherein the processor is further configured to invoke, when the size exceeds the predetermined threshold, a cleanup process for the storage of un-reassembled data fragments.
18. The apparatus of claim 17, wherein the processor is further configured to accept, when the size is reduced by the cleanup process to below a second predetermined threshold, additional data received at the network interface.
19. The apparatus of claim 15, wherein the processor is further configured to:
check the validity of the received data alter receiving the data at the network interface and discard the received data if the received data is determined to be invalid.

What is claimed is:

1. A color reproduction characteristic display apparatus for displaying color reproduction characteristics wherein an association between coordinates of a first color space defining a color on image data and coordinates of a second color space defining a color on an image are defined in accordance with a device for mediating between the image data and the image, said color reproduction characteristic display apparatus comprising:
a range designation section for designating a desired coordinate range in said first color space in accordance with an operation; and
an image display section for displaying a color reproduction image in which there are plotted coordinate points on said second color space associated with coordinates within the coordinate range designated by said range designation section of coordinates of lattice points wherein said first color space is partitioned as a lattice.
2. A color reproduction characteristic display apparatus according to claim 1, wherein said image display section optionally displays the color reproduction image on a two-dimensional display basis or a three-dimensional display basis in accordance with an operation.
3. A color reproduction characteristic display apparatus according to claim 1, further comprising a display plot designation section for designating a desired point of points plotted on the color reproduction image in accordance with an operation,
wherein said image display section displays the color reproduction image and in addition coordinate values on said first color space and coordinate values on said second color space, which correspond to the point on the color reproduction image designated by said display plot designation section.
4. A color reproduction characteristic display apparatus according to claim 1, further comprising a display plot designation section for designating a desired point of points plotted on the color reproduction image in accordance with an operation,
wherein said image display section displays the color reproduction image and in addition information as to a distance in said second color space, between two points on the color reproduction image designated by said display plot designation section.
5. A color reproduction characteristic display apparatus according to claim 1, wherein said image display section has a mode wherein a plurality of color reproduction images associated with a plurality of output devices is displayed on a superposing basis.
6. A color reproduction characteristic display program storage medium storing a color reproduction characteristic display program which causes a computer to operate as a color reproduction characteristic display apparatus for displaying color reproduction characteristics wherein an association between coordinates of a first color space defining a color on image data and coordinates of a second color space defining a color on an image are defined in accordance with a device for mediating between the image data and the image, said color reproduction characteristic display program comprising:
a range designation section for designating a desired coordinate range in said first color space in accordance with an operation; and
an image display section for displaying a color reproduction image in which there are plotted coordinate points on said second color space associated with coordinates within the coordinate range designated by said range designation section of coordinates of lattice points wherein said first color space is partitioned as a lattice.

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. A method of indirect position estimation in three-phase switched reluctance machines comprising:
providing a three-phase switched reluctance machine, said machine comprising a rotor and three phases; producing data about the machine;
setting a plurality of threshold current values for at least a first phase; and sensing rotor position by;
applying a pulse voltage train sufficient to induce a pulse current in said first phase, said pulse current having some maximum amperage amplitude, comparing the maximum amperage amplitude of said pulse current to at least one of the plurality of threshold current values for the first phase, and determining the sector of the rotor based upon the maximum amperage amplitude of the pulse current in the first phase.
2. The method of claim 1, wherein said setting a plurality of threshold current values for at least a first phase comprises, setting a high current threshold and a low current threshold for any of the three phases.
3. The method of claim 2, wherein said setting a plurality of threshold current values for at least a first phase comprises,
setting a high current threshold for each of the three phases; and
setting a low current threshold for each of the three phases.
4. The method of claim 3, wherein said producing comprises, determining a maximum induced current at a plurality of angular positions in at least a first phase.
5. The method of claim 4, wherein said producing comprises, determining a maximum current at a plurality of angular positions in each of at least a first phase and a second phase.
6. The method of claim 5, wherein said producing comprises, determining a maximum current at a plurality of angular positions in each of the three phases.
7. The method of claim 6, wherein said producing comprises, for each of the three phases,
conducting a first testing event at a first angular position, said first testing event comprising:
applying a test pulse voltage across the phase to induce a current, and
determining the maximum induced current in the phase, and allowing said induced current to drop to zero.
8. The method of claim 7, further comprising, for each of the three phases, conducting a second testing event at a second angular position, said second testing event comprising:
applying a test pulse voltage across the phase to induce a current, and
determining the maximum induced current in the phase.
9. The method of claim 8, wherein said rotor is in motion during said testing event.
10. A method of indirect position estimation in three-phase switched reluctance machines comprising:
providing a three-phase switched reluctance machine, said machine comprising a rotor and three phases;
producing data about the machine, wherein said producing comprises, for each of the three phases;
conducting a first testing event at a first angular position while said rotor is in motion, said first testing event comprising,
applying a test pulse voltage across the phase to induce a current,
determining the maximum induced current in the phase, and
allowing said induced current to drop to zero; and
conducting a second testing event at a second angular position while said rotor is in motion, said second testing event comprising,
applying a test pulse voltage across the phase to induce a current, and
determining the maximum induced current;
setting threshold current values for each of the three phases, wherein said setting comprises,
setting a high current threshold for each of the three phases;
setting a low current threshold for each of the three phases; and sensing rotor position by;
applying a sensing voltage sufficient to induce a pulse current having some maximum amperage amplitude in each of the three phases, for each phase, comparing the maximum amperage amplitude of said pulse current with respect to the thresholds for the phase, determining the sector of the rotor based upon the maximum amperage amplitude of the pulse current in at least one phase.
11. An apparatus for indirect position estimation in three-phase switched reluctance machines, where said three-phase switched reluctance machines comprise a rotor having a plurality of sectors and three phases, said apparatus comprising:
a voltage source operatively engaged with a phase and adapted to apply a pulse voltage to said phase sufficient to induce a pulse current having some maximum amperage amplitude in said phase;
a current sensing circuit operatively engaged with a phase to output data or a signal representative of the sensing current in said phase, said current sensing circuit being adapted to output data or a signal representative of the motoring current in said phase, said current sensing circuit comprising a first amplifier having a gain and being adapted for processing motoring phase currents, and a second amplifier having a gain, said second amplifier being adapted for processing sensing pulse currents, and said gain of said second amplifier being ten or more times larger than said gain of said first amplifier; and
computing device operatively connected to said current sensing circuit.
12. The apparatus for indirect position estimation in three-phase switched reluctance machines of claim 11 wherein, said computing device is adapted to access data regarding a low threshold; said computing device is adapted to access data regarding a high threshold; and
said computing device is adapted to determine the sector of the rotor based upon a comparison of the maximum amperage amplitude of the induced pulse current with the low threshold and the high threshold.
13. The apparatus for indirect position estimation in three-phase switched reluctance machines of claim 12 wherein said computing device comprises a signal interface.
14. The apparatus for indirect position estimation in three-phase switched reluctance machines of claim 13 wherein said signal interface is operably engaged to an interface circuit.