1. An imaging system, comprising:
a plurality of vortex lenses aligned to cover a field of view and produce multiple images of an area near a point source; wherein at least one of the plurality of vortex lenses is on a same axis as the point source, wherein the plurality of vortex lenses have overlapping portions of the field of view; and wherein one or more of the plurality of vortex lenses form an accurate image of the point source with minimal diffraction.
2. The imaging system of claim 1, wherein the plurality of vortex lenses are each aligned at different angles.
3. The imaging system of claim 1, wherein the field of view determines a number of vortex lenses.
4. The imaging system of claim 1, wherein each of the plurality of vortex lens form an image of the point source on an image plane.
5. The imaging system of claim 4, wherein the image plane is a CMOS array or CCD array, or similar array of optical-to-electronic converters aligned to receive image from the vortex lenses.
6. The imaging system of claim 1, wherein the imaging system is a moving object.
7. The imaging system of claim 6, wherein the moving object is a spacecraft, an aircraft, a satellite or a ground vehicle such as a train or truck.
8. An imaging system for a moving object, comprising
a plurality of imaging subsystems, each subsystem having vortex lens; wherein the imaging subsystems are aligned to cover a field of view and produce multiple images of an area near a point source; and wherein at least one of the imaging subsystems having vortex lens is on a same axis as the point source, wherein the plurality of imaging subsystems have overlapping portions of the field of view; and wherein one or more of the plurality of imaging subsystems form an accurate image of the point source with minimal diffraction.
9. The imaging system of claim 8, wherein each imaging subsystem includes a vortex lens for producing an image of an area near a point source.
10. The imaging system of claim 8, wherein the imaging system has vortex lenses each aligned at different angles.
11. The imaging system of claim 8, wherein the field of view determines the number of vortex lenses used.
12. The imaging system of claim 8, wherein the vortex lenses form images of the joint source on multiple image planes.
13. The imaging system of claim 12, wherein the image planes are CMOS arrays, CCD arrays, or other similar arrays of optical-to-electrical converters aligned to receive image from the vortex lenses.
14. The imaging system of claim 8, wherein the imaging system is used for moving objects.
15. The imaging system of claim 14, wherein the moving object is a spacecraft, an aircraft, a satellite or a ground vehicle such as a train or truck.
16. The imaging system of claim 8, wherein each of the plurality of vortex lens forms an image of the point source on an image plane.
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 controlling a semiconductor device that comprises: a memory cell array that comprises non-volatile memory cells; a first power supply and a second power supply that apply voltage to bit lines connected to sources and drains of transistors that form the memory cells; a first storage unit that stores first selecting information that indicates whether the bit lines are to be connected to the first power supply; and a second storage unit that stores second selecting information that indicates whether the bit lines are to be connected to the second power supply,
the method comprising:
connecting the first storage unit and the second storage unit to the bit lines; and
transferring the first selecting information from the first storage unit to the second storage unit via the bit lines.
2. The method of claim 1, wherein the non-volatile memory cells are virtual ground memory cells.
3. The method of claim 1, wherein the semiconductor device is flash memory.
4. The method of claim 1, wherein the semiconductor device is NOR flash memory.
5. The method of claim 1, wherein the semiconductor device is NAND flash memory.