1. A radiation image pick-up device, which has a wavelength converter for performing wavelength conversion on an incident radiation and a conversion substrate having conversion elements arranged in a two-dimensional array, the conversion elements converting into an electrical signal the radiation having been subjected to the wavelength conversion,
the device, comprising:
correction image obtaining means for obtaining a plurality of correction images while changing a radiation energy of the incident radiation in an absence of an object,
object image obtaining means for obtaining an object image in a presence of an object by emitting a radiation to the object, and
correcting means for correcting the object image by using the correction image having been obtained under a radiation energy condition closest to a radiation energy of the obtained object image.
2. A radiation image pick-up device, which has a wavelength converter for performing wavelength conversion on an incident radiation and a conversion substrate having conversion elements arranged in a two-dimensional array, the conversion elements converting into-an electrical signal the radiation having been subjected to the wavelength conversion,
the device comprising:
correction image obtaining means for obtaining a plurality of correction images while changing a radiation energy of the incident radiation in an absence of an object,
object image obtaining means for obtaining an object image in a presence of an object by emitting a radiation to the object, and
correcting means for correcting the object image by using another correction image calculated newly from a first correction image having been obtained under a radiation energy condition closest to a radiation energy of the obtained object image and a second correction image having been obtained under a second closest radiation energy condition.
3. The radiation image pick-up device according to claim 2, wherein the another correction image is calculated by averaging the first correction image and the second correction image.
4. The radiation image pick-up device according to claim 1, wherein the wavelength converter and the conversion substrate are caused to adhere to each other by bonding.
5. The radiation image pick-up device according to claim 1, wherein the wavelength converter and the conversion substrate are caused to adhere to each other by vacuum evaporating the wavelength converter onto the conversion substrate.
6. The radiation image pick-up device according to claim 1, wherein the wavelength converter has as a matrix at least one selected from the group consisting of cesium iodide, gadolinium oxide and gadolinium oxysulfide.
7. The radiation image pick-up device according to claim 1, wherein the conversion element consists of an amorphous silicon semiconductor material.
8. A radiation image pick-up method for a radiation image pick-up device, which has a wavelength converter for performing wavelength conversion on an incident radiation and a conversion substrate having conversion elements arranged in a two-dimensional array, the conversion elements converting into an electrical signal the radiation having been subjected to the wavelength conversion,
the method, comprising:
a correction image obtaining step of obtaining a plurality of correction images while changing a radiation energy of the incident radiation in an absence of an object,
an object image obtaining step of obtaining an object image in a presence of an object by emitting a radiation to the object, and
a correcting step of correcting the object image by using the correction image having been obtained under a radiation energy condition closest to a radiation energy of the obtained object image.
9. A radiation image pick-up method for an image pick-up device, which has a wavelength converter for performing wavelength conversion on an incident radiation and a conversion substrate having conversion elements arranged in a two-dimensional array, the conversion elements converting into an electrical signal the radiation having been subjected to the wavelength conversion,
the method, comprising:
a correction image obtaining step of obtaining a plurality of correction images while changing a radiation energy of the incident radiation in an absence of an object,
an object image obtaining step of obtaining an object image in a presence of an object by emitting a radiation to the object, and
a correcting step of correcting the object image by using another correction image calculated newly from a first correction image having been obtained under a radiation energy condition closest to a radiation energy of the obtained object image and a second correction image having been obtained under a second closest radiation energy condition.
10. A radiation image pick-up device, which has a conversion substrate having direct radiation conversion elements arranged in a two-dimensional array, the conversion elements directly converting an incident radiation into an electrical signal,
the device, comprising:
correction image obtaining means for obtaining a plurality of correction images while changing a radiation energy of the incident radiation in an absence of an object,
object image obtaining means for obtaining an object image in a presence of an object by emitting a radiation to the object, and
correcting means for correcting the object image by using the correction image having been obtained under a radiation energy condition closest to a radiation energy of the obtained object image.
11. A radiation image pick-up device, which has a conversion substrate having direct radiation conversion elements arranged in a two-dimensional array, the conversion elements directly converting an incident radiation into an electrical signal,
the device, comprising:
correction image obtaining means for obtaining a plurality of correction images while changing a radiation energy of the incident radiation in an absence of an object,
object image obtaining means for obtaining an object image in a presence of an object by emitting a radiation to the object, and
correcting means for correcting the object image by using another correction image calculated newly from a first correction image having been obtained under a radiation energy condition closest to a radiation energy of the obtained object image and a second correction image having been obtained under a second closest radiation energy condition.
12. The radiation image pick-up device according to claim 11, wherein the another correction image is calculated by averaging the first correction image and the second correction image.
13. The radiation image pick-up device according to claim 10, wherein the direct radiation conversion element consists of a material one selected from the group consisting of amorphous selenium, gallium arsenide, mercurous iodide and lead iodide.
14. A radiation image pick-up device, which has a wavelength converter for performing wavelength conversion on an incident radiation and a conversion substrate having conversion elements arranged in a two-dimensional array, the conversion elements converting into an electrical signal the radiation having been subjected to the wavelength conversion, the device, comprising:
correction image obtaining means for obtaining a plurality of correction images while changing a radiation energy of the incident radiation in a presence of a reference material,
object image obtaining means for obtaining an object image in a presence of an object by emitting a radiation to the object, and
correcting means for correcting the object image by using the correction image having been obtained under a radiation energy condition closest to a radiation energy of the obtained object image.
15. A radiation image pick-up device, which has a wavelength converter for performing wavelength conversion on an incident radiation and a conversion substrate having conversion elements arranged in a two-dimensional array, the conversion elements converting into an electrical signal the radiation having been subjected to the wavelength conversion,
the device, comprising:
correction image obtaining means for obtaining a plurality of correction images while changing a radiation energy of the incident radiation in a presence of a reference material,
object image obtaining means for obtaining an object image in a presence of an object by emitting a radiation to the object, and
correcting means for correcting the object image by using another correction image calculated newly from a first correction image having been obtained under a radiation energy condition closest to a radiation energy of the obtained object image and a second correction image having been obtained under a second closest radiation energy condition.
16. The radiation image pick-up device according to claim 14, wherein the reference material is a phantom containing water.
17. The radiation image pick-up device according to claim 15, wherein the another correction image is calculated by averaging the first correction image and the second correction image.
18. The radiation image pick-up device according to claim 14, wherein the wavelength converter and the conversion substrate are caused to adhere to each other by bonding.
19. The radiation image pick-up device according to claim 14, wherein the wavelength converter and the conversion substrate are caused to adhere to each other by vacuum evaporating the wavelength converter onto the conversion substrate.
20. The radiation image pick-up device according to claim 14, wherein the wavelength converter has as a matrix at least one selected from the group consisting of cesium iodide, gadolinium oxide and gadolinium oxysulfide.
21. The radiation image pick-up device according to claim 14, wherein the conversion element consists of an amorphous silicon semiconductor material.
22. A radiation image pick-up device, which has a conversion substrate having direct radiation conversion elements arranged in a two-dimensional array, the conversion elements directly converting an incident radiation into an electrical signal,
the device, comprising:
correction image obtaining means for obtaining a plurality of correction images while changing a radiation energy of the incident radiation in a presence of a reference material,
object image obtaining means for obtaining an object image in a presence of an object by emitting a radiation to the object, and
correcting means for correcting the object image by using the correction image having been obtained under a radiation energy condition closest to a radiation energy of the obtained object image.
23. A radiation image pick-up device, which has a conversion substrate having direct radiation conversion elements arranged in a two-dimensional array, the conversion elements directly converting an incident radiation into an electrical signal,
the device, comprising:
correction image obtaining means for obtaining a plurality of correction images while changing a radiation energy of the incident radiation in a presence of a reference material,
object image obtaining means-for obtaining an object image in a presence of an object by emitting a radiation to the object, and
correcting means for correcting the object image by using another correction image calculated newly from a first correction image having been obtained under a radiation energy condition closest to a radiation energy of the obtained object image and a second correction image having been obtained under a second closest radiation energy condition.
24. The radiation image pick-up device according to claim 22, wherein the reference material is a phantom containing water.
25. The radiation image pick-up device according to claim 23, wherein the another correction image is calculated by averaging the first correction image and the second correction image.
26. The radiation image pick-up device according to claim 22, wherein the direct radiation conversion element consists of a material one selected from the group consisting of amorphous selenium, gallium arsenide, mercurous iodide and lead iodide.
27. A radiation image pick-up system, comprising:
the radiation image pick-up device according to any one of claims 1 to 10,
signal processing means for processing a signal from the radiation image pick-up device;
recording means for recording a signal from the signal processing means;
display means for displaying the signal from the signal processing means,
transmitting means for transmitting the signal from the signal processing means, and
a radiation source for generating the radiation.
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 up-and-over hydraulic lift system comprising:
a swim platform having a substantially planar top surface and a bottom surface;
a transom bracket, the transom bracket for attachment to a transom of a water vehicle, the transom bracket having an upper end and a lower end, the upper end of the transom bracket for mounting closest to a deck of the water vehicle;
an upper frame, the upper frame affixed to the bottom surface of the swim platform, the upper frame having a first end being closest to the transom bracket and a distal second end;
a lower frame, the lower frame having a first end being closest to the transom bracket and a distal second end;
an upper hinged arm, a first end of the upper hinged arm pivotally attached to the lower frame at the first end of the lower frame, a distal second end of the upper hinged arm pivotally attached to the transom bracket at a location of the transom bracket between the upper end of the transom bracket and the lower end of the transom bracket;
a lower hinged arm, a first end of the lower hinged arm pivotally interfaced to the lower frame at a location between the first end of the lower frame and the distal second end of the lower frame, a second end of the lower hinged arm pivotally attached to the lower end of the transom bracket;
a first hydraulic ram; a first end of the first hydraulic ram is pivotally connected to the lower hinged arm at a point on the lower hinged arm between a mid-point of the lower hinged arm and the second end of the lower hinged arm, a second end of the hydraulic ram is pivotally connected to the upper end of the transom bracket;
a first arm, a first end of the first arm pivotally connected to the upper frame between the first end of the upper frame and the distal second end of the upper frame, a second end of the first arm pivotally connected to the lower frame at the first end of the lower frame;
a second arm, a first end of the second arm pivotally connected to the upper frame at the distal rear end of the upper frame, a second end of the second arm pivotally connected to the lower frame at the distal second end of the lower frame; and
a second hydraulic ram, a first end of the second hydraulic ram is pivotally connected to the first end of the upper frame, a second end of the second hydraulic ram is pivotally connected to the second arm;
whereas, as the swim platform is raisedlowered, a pitch of the substantially planar top surface of the swim platform remains substantially constant with respect to the transom bracket.
2. The up-and-over hydraulic lift system of claim 1, wherein the first arm and the second arm are arched.
3. A method of lifting a swim platform for a boat, the boat floating in a liquid, the method comprising:
attaching the up-and-over hydraulic lift system of claim 1 to a transom of the boat, the swim platform being substantially even with a deck of the boat;
lowering the swim platform by expanding the first hydraulic ram until the swim platform is below a surface of the liquid;
positioning a water craft upon the swim platform; and
raising the swim platform by expanding the first hydraulic ram until the swim platform is substantially level with the deck of the boat.
4. The method of claim 3, further comprising:
raising the swim platform by expanding the second hydraulic ram, the swim platform moving in an upward direction until at least a forward edge of the swim platform clears a rear edge of the deck of the boat, then the swim platform moving further in the upward direction and a direction toward the boat such that the swim platform overlaps a portion of the deck.
5. The method of claim 4, further comprising:
lowering the swim platform by contracting the second hydraulic ram, the swim platform moving in an downward direction and in a direction away from the boat until at least the forward edge of the swim platform clears the rear edge of the deck, then the swim platform moving further in the downward direction until the swim platform is even with the deck.
6. An up-and-over hydraulic lift system comprising:
a swim platform having a substantially planar top surface and a bottom surface;
a transom bracket, the transom bracket for attachment to a transom of a water vehicle, the transom bracket having an upper end and a lower end, the upper end of the transom bracket for mounting closest to a deck of the water vehicle;
an upper frame, the upper frame affixed to the bottom surface of the swim platform, the upper frame having a first end being closest to the transom bracket and a distal second end;
a lower frame, the lower frame having a first end being closest to the transom bracket and a distal second end;
an upper hinged arm, a first end of the upper hinged arm pivotally attached to the lower frame at the first end of the lower frame, a distal second end of the upper hinged arm pivotally attached to the transom bracket at a location of the transom bracket between the upper end of the transom bracket and the lower end of the transom bracket;
a lower hinged arm, a first end of the lower hinged arm pivotally attached to the lower frame at a location between the first end of the lower frame and the distal second end of the lower frame, a second end of the lower hinged arm pivotally attached to the lower end of the transom bracket;
means for raisinglowering the lower frame with respect to the transom bracket, the means for raisinglowering the lower frame interfaced between the transom bracket and the lower frame;
a first arm, a first end of the first arm pivotally connected to the upper frame between the first end of the upper frame and the distal second end of the upper frame, a second end of the first arm pivotally connected to the lower frame at the first end of the lower frame;
a second arm, a first end of the second arm pivotally connected to the upper frame at the distal second end of the upper frame, a second end of the second arm pivotally connected to the lower frame at the distal second end of the lower frame; and
means for raisinglowering the upper frame with respect to the lower frame, the means for raisinglowering the upper frame interfaced between the upper frame and the lower frame;
whereas, as the swim platform is raisedlowered, a pitch of the substantially planar top surface of the swim platform remains substantially constant with respect to the transom bracket.
7. The up-and-over hydraulic lift system of claim 6, wherein the first arm and the second arm are arched.
8. The up-and-over hydraulic lift system of claim 6, wherein the means for raisinglowering the lower frame is a first ram.
9. The up-and-over hydraulic lift system of claim 6, wherein the means for raisinglowering the upper frame is a second ram.