1. A fixing device, comprising:
a roller;
a pressing member pressed against the roller, such that when a sheet having an unfixed image is passed thorough a nip formed between the roller and the pressing member, the unfixed image is fixed on the sheet;
a first heater configured to heat the roller;
a second heater configured to heat the pressing member; and
a controller configured to control the second heater, such that a time-averaged heat generation by the second heater when an image of a decolorable material is fixed is greater than a time-averaged heat generation by the second heater when an image of a non-decolorable material is fixed.
2. The fixing device according to claim 1, wherein
the controller is further configured to control the second heater, such that a temperature of the pressing member when the image of the decolorable material is fixed is higher than the temperature of the pressing member when the image of the non-decolorable material is fixed.
3. The fixing device according to claim 1, wherein
the controller is further configured to control the first heater, such that a time-averaged heat generation by the first heater when the image of the decolorable material is fixed is smaller than a time-averaged heat generation by the first heater when the image of the non-decolorable material is fixed.
4. The fixing device according to claim 3, wherein
the controller is further configured to control the first heater, such that a temperature of the roller when the image of the decolorable material is fixed is lower than the temperature of the roller when the image of the non-decolorable material is fixed.
5. The fixing device according to claim 1, wherein
the controller is further configured to control the first heater when the fixing device is turned on, such that a temperature of the roller becomes a temperature of the roller to fix the non-decolorable material.
6. The fixing device according to claim 5, wherein
the controller is further configured to not turn on the second heater when the fixing device is turned on.
7. The fixing device according to claim 1, wherein
the controller is further configured to control the first and second heaters after a sheet having the image of the decolorable material has been passed through the nip, such that a temperature of the roller increases and a temperature of the pressing member decreases.
8. The fixing device according to claim 1, wherein
the first heater includes a center heater and a side heater arranged in a width direction of the roller, and
the controller is configured to alternately turn on and off the center heater and the side heater when a sheet is passed through the nip for fixing.
9. The fixing device according to claim 1, wherein
the pressing member is an endless belt, and
heat capacity of the endless belt is greater than heat capacity of the roller.
10. An image forming apparatus, comprising:
an image forming unit configured to form an image on a sheet;
a fixing unit configured to fix the image on the sheet, the fixing unit including:
a roller,
a pressing member pressed against the roller, such that when a sheet having an unfixed image is passed thorough a nip formed between the roller and the pressing member, the unfixed image is fixed on the sheet,
a first heater configured to heat the roller, and
a second heater configured to heat the pressing member; and
a controller configured to control the second heater, such that time-average heat generation by the second heater when an image of a decolorable material is fixed is greater than time-average heat generation by the second heater when an image of a non-decolorable material is fixed.
11. The image forming apparatus according to claim 10, wherein
the controller is further configured to control the second heater, such that a temperature of the pressing member when the image of the decolorable material is fixed is higher than the temperature of the pressing member when the image of the non-decolorable material is fixed.
12. The image forming apparatus according to claim 10, wherein
the controller is further configured to control the first heater, such that time-average heat generation by the first heater when the image of the decolorable material is fixed is smaller than time-average heat generation by the first heater when the image of the non-decolorable material is fixed.
13. The image forming apparatus according to claim 12, wherein
the controller is further configured to control the first heater, such that a temperature of the roller when the image of the decolorable material is fixed is lower than the temperature of the roller when the image of the non-decolorable material is fixed.
14. The image forming apparatus according to claim 10, wherein
the controller is further configured to control the first heater when the fixing device is turned on, such that a temperature of the roller becomes a temperature of the roller to fix the non-decolorable material.
15. The image forming apparatus according to claim 14, wherein
the controller is further configured to not turn on the second heater when the fixing device is turned on.
16. The image forming apparatus according to claim 10, wherein
the controller is further configured to control the first and second heaters after a sheet having the image of the decolorable material has been passed through the nip, such that a temperature of the roller increases and a temperature of the pressing member decreases.
17. The image forming apparatus according to claim 10, wherein
the first heater includes a center heater and a side heater arranged in a width direction of the roller, and
the controller is configured to alternately turn on and off the center heater and the side heater when a sheet is passed through the nip for fixing.
18. The image forming apparatus according to claim 10, wherein
the pressing member is an endless belt, and
heat capacity of the endless belt is greater than heat capacity of the roller.
19. A method for fixing an image on a sheet, the method comprising:
conveying a first sheet having an unfixed image of a decolorable material through a nip formed between a roller and a pressing member that is pressed against the roller;
conveying a second sheet having an unfixed image of a non-decolorable material through the nip; and
controlling a first heater that is configured to heat the roller and a second heater that is configured to heat the pressing member, when the first and second sheets are conveyed through the nip, wherein
a time-averaged heat generation by the second heater when the first sheet is conveyed through the nip is greater than a time-averaged heat generation by the second heater when the second sheet is conveyed through the nip.
20. The method according to claim 19, wherein
a temperature of the pressing member when the first sheet is conveyed through the nip is higher than the temperature of the pressing member when the second sheet is conveyed through the nip.
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 visualizing data comprising the step of providing a virtual flight visualization of image data representing a non-landscape object.
2. The method of claim 1 wherein the non-landscape object is a medical image.
3. The method of claim 1 wherein the virtual flight visualization includes a surface having heights based on spatial location and image intensity from image data of the non-landscape object.
4. The method of claim 1 wherein the non-landscape object is a semi-conductor device.
5. The method of claim 1 wherein the virtual flight simulation is part of a non-destructive test.
6. The method of claim 1 wherein the virtual flight visualization includes color representing intensity from image data of the non-landscape object.
7. A set of machine readable instructions for performing the step of claim 1.
8. A method of visualizing data comprising the step of assigning a height to a vertex based upon a non-landscape image pixel value or voxel value.
9. The method of claim 8 wherein the non-landscape object is a medical image.
10. The method of claim 8 wherein the non-landscape object is a semi-conductor device.
11. The method of claim 8 wherein the virtual flight simulation is part of a non-destructive test.
12. The method of claim 8 wherein the virtual flight visualization includes color representing intensity from image data of said non-landscape object.
13. A set of machine readable instructions for performing the step of claim 8.
14. A system comprising:
a detector positioned to receive energy transmitted through or emitted from a non-landscape object;
a machine readable medium coupled to said detector; and,
a set of machine readable instructions embodied in said computer readable medium for providing a virtual flight visualization of said received energy from said non-landscape object.
15. The system of claim 14 wherein said non-landscape object is a medical image.
16. The system of claim 14 wherein said non-landscape object is a semi-conductor device.
17. The system of claim 14 wherein said set of machine readable instructions include instructions for providing said virtual flight visualization having a surface having voxel or pixel heights based on spatial location and image intensity of image data of said non-landscape object.
18. The system of claim 15 wherein said set of machine readable instructions include instructions for providing said virtual flight visualization having a surface having voxel or pixel heights based on spatial location and image intensity of image data of said non-landscape object.
19. The system of claim 16 wherein said set of machine readable instructions include instructions for providing said virtual flight visualization having a surface having voxel or pixel heights based on spatial location and image intensity of image data of said non-landscape object.
20. The system of claim 14 wherein said set of machine readable instructions include instructions for providing said virtual flight visualization having color representing intensity of image data regarding said non-landscape object.