Author: claimsbot

1. A plant of soybean variety A1026344, wherein a sample of seed of said variety has been deposited under ATCC Accession No. PTA-120505.
2. A plant part of the plant of claim 1, wherein the plant part comprises at least a first cell of said plant.
3. The plant part of claim 2, further defined as pollen, a meristem, a cell, or an ovule.
4. A seed of soybean variety A1026344, wherein a sample of seed of said variety has been deposited under ATCC Accession No. PTA-120505.
5. A soybean plant that expresses all of the physiological and morphological characteristics of soybean variety A1026344, wherein a sample of seed of said variety has been deposited under ATCC Accession No. PTA-120505.
6. A method of producing soybean seed, wherein the method comprises crossing the plant of claim 1 with itself or a second soybean plant.
7. The method of claim 6, wherein the method comprises crossing the plant of soybean variety A1026344 with a second, distinct soybean plant to produce an F1 hybrid soybean seed.
8. An F1 hybrid soybean seed produced by the method of claim 7.
9. An F1 hybrid soybean plant produced by growing the seed of claim 8.
10. A composition comprising a seed of soybean variety A1026344 comprised in plant seed growth media, wherein a sample of seed of said variety has been deposited under ATCC Accession No. PTA-120505.
11. The composition of claim 10, wherein the growth media is soil or a synthetic cultivation medium.
12. A plant produced by introducing a single locus conversion into soybean variety A1026344, or a selfed progeny thereof comprising the single locus conversion, wherein the single locus conversion was introduced into soybean variety A1026344 by backcrossing or genetic transformation and wherein a sample of seed of soybean variety A1026344 has been deposited under ATCC Accession No. PTA-120505, wherein the plant otherwise comprises essentially all of the physiological and morphological characteristics of soybean variety A1026344.
13. The plant of claim 12, wherein the single locus conversion comprises a transgene.
14. A seed that produces the plant of claim 12.
15. The seed of claim 14, wherein the single locus confers a trait selected from the group consisting of male sterility, herbicide tolerance, insect resistance, pest resistance, disease resistance, modified fatty acid metabolism, abiotic stress resistance, altered seed amino acid composition, site-specific genetic recombination, and modified carbohydrate metabolism.
16. The seed of claim 15, wherein the single locus confers tolerance to an herbicide selected from the group consisting of glyphosate, sulfonylurea, imidazalinone, dicamba, glufosinate, phenoxy proprionic acid, cyclohexanedione, triazine, benzonitrile, PPO-inhibitor herbicides and broxynil.
17. The seed of claim 15, wherein the single locus conversion comprises a transgene.
18. The method of claim 7, wherein the method further comprises:
(a) crossing a plant grown from said F1, hybrid soybean seed with itself or a different soybean plant to produce a seed of a progeny plant of a subsequent generation;
(b) growing a progeny plant of a subsequent generation from said seed of a progeny plant of a subsequent generation and crossing the progeny plant of a subsequent generation with itself or a second plant to produce a progeny plant of a further subsequent generation; and
(c) repeating steps (a) and (b) using said progeny plant of a further subsequent generation from step (b) in place of the plant grown from said F1 hybrid soybean seed in step (a), wherein steps (a) and (b) are repeated with sufficient inbreeding to produce an inbred soybean plant derived from the soybean variety A1026344.
19. The method of claim 18, comprising crossing said inbred soybean plant derived from the soybean variety A1026344 with a plant of a different genotype to produce a seed of a hybrid soybean plant derived from the soybean variety A1026344.
20. A method of producing a commodity plant product comprising collecting the commodity plant product from a plant of soybean variety A1026344, wherein a sample of seed of said variety has been deposited under ATCC Accession No. PTA-120505.
21. The method of claim 20, wherein the commodity plant product is protein concentrate, protein isolate, grain, soybean hulls, meal, flour or oil.
22. A soybean commodity plant product produced by the method of claim 20, wherein the commodity plant product comprises at least a first cell of soybean variety A1026344.

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 apparatus comprising:
a partial reflective layer;
a first reflective member movably supported relative to and spaced from the layer; and
a first electrically conductive surface electrically coupled to at least one of the partial reflective layer and the first reflective member and configured to be impinged upon by an electron beam.
2. The apparatus of claim 1 further comprising:
an electron beam emitting device configured to impinge the surface with an electron beam.
3. The apparatus of claim 2, wherein the first reflective member has a first face opposite the partial reflective layer and a second opposite face, and wherein the electron beam emitting device is configured to impinge the second face with an electron beam.
4. The apparatus of claim 1 including a transparent substrate upon which the partial reflective layer is located.
5. The apparatus of claim 4, wherein the substrate comprises glass.
6. The apparatus of claim 1, wherein the partial reflective layer is electrically conductive.
7. The apparatus of claim 1 including at least one flexure movably supporting the first reflective member relative to the partially reflective layer.
8. The apparatus of claim 7, wherein the at least one of the flexures is electrically conductive.
9. The apparatus of claim 1 including an opaque layer about the partial reflective layer.
10. The apparatus of claim 1 including a light source configured to direct light through the partial reflective layer and at the first reflective member.
11. The apparatus of claim 1 including at least one lens through which reflected light from the first reflective member passes.
12. The apparatus of claim 1 further comprising:
an electron beam emitting device; and
a controller configured to generate control signals, wherein the electron beam emitting device selectively charges the first reflective member in response to the control signals.
13. The apparatus of claim 1 further comprising:
an electron beam emitting device; and
a controller configured to generate control signals, wherein the electronic beam emitting device selectively charges the first reflective member in response to the control signals.
14. The apparatus of claim 1 including a voltage source configured to electrically bias the partial reflective layer to a predetermined voltage.
15. The apparatus of claim 1 further comprising:
a second reflective member movably supported relative to and spaced from the partial reflective layer; and
a second electrically conductive surface coupled to the partial reflective layer and the second reflective member and configured to be impinged upon by an electron beam.
16. The apparatus of claim 15 further comprising an electrically conductive shield between the first electrically conductive surface and the second electrically conductive surface.
17. The apparatus of claim 15 further comprising:
an electron beam emitting device; and
a controller configured to generate control signals, wherein the electron beam emitting device selectively charges the first reflective member and the second reflective member.
18. The apparatus of claim 1 further comprising a resistor electrically connecting the partial reflective layer and the first reflective member.
19. The apparatus of claim 1, wherein the first electrically conductive surface is opposite the first reflective member and wherein the first reflective member is between the first electrically conductive surface and the partial reflective layer.
20. An apparatus comprising:
a first reflector and a second reflector forming an optical cavity therebetween; and
an electron beam emitting device configured to emit an electron beam, wherein the second reflector moves relative to the first reflector in response to the emitted electron beam.
21. An electronic device comprising:
a plurality of pixels, each pixel including a first reflective layer and a second reflective layer forming an optical cavity therebetween;
at least one electron beam emitting device; and
a controller configured to generate control signals, when the electron beam emitting device selectively directs an electron beam to selectively modify one of the plurality of pixels in response to the control signals.
22. The device of claim 21, wherein the electron beam emitting device is configured to selectively direct the beam so as to charge one of the pixels.
23. An apparatus comprising:
a first reflector and a second reflector forming an optical cavity therebetween; and
means for moving the second reflector relative to the first reflector using an electron beam.
24. A method comprising:
creating a first charge on a partial reflective layer; and
creating a second charge on a first reflective member opposite the partially reflective layer with an electron beam to electrostatically move the reflective member relative to the partially reflective layer.
25. The method of claim 24 further comprising charging the first reflective member using an electron beam.
26. The method of claim 24 further comprising dissipating charge from the first reflective member.
27. The method of claim 24 further comprising directing light through the partially reflective layer against the first reflective member.
28. The method of claim 24 further comprising creating a third charge on a second reflective member opposite the partial reflective layer with an electron beam to electrostatically move the second reflective member relative to the partial reflective layer.
29. A method comprising:
creating a first charge on a first reflective member between and opposite to a partial reflective layer and a first electrically conductive layer; and
creating a second charge on the first electrically conductive layer with an electron beam to electrostatically move the first reflective member relative to the partial reflective layer.
30. The method of claim 29 further comprising directing light through the partial reflective layer against the reflective member.
31. The method of claim 29 further comprising:
creating a third charge upon a second reflective member between and opposite to the partial reflective layer and the second electrically conductive layer; and
creating a fourth charge on the second electrically conductive layer with an electron beam to electrostatically move the second reflective member relative to the partial reflective layer.
32. A method comprising:
providing a partial reflective layer; and
forming a reflective member spaced from and movable relative to the partial reflective layer, wherein the reflective member is electrically coupled to a surface configured to be impinged by an electron beam.
33. The method of claim 32, wherein the reflective member has a first face opposite the partial reflective layer and a second opposite face providing the surface.
34. A method comprising:
providing a partially reflective layer;
providing a reflective member spaced from and movable relative to the partial reflective layer; and
forming an electrically conductive layer opposite the reflective member and electrically coupled to a surface configured to be impinged by an electron beam.
35. The method of claim 34, wherein the reflective member has a first face opposite the reflective member and a second opposite face providing the surface.
36. An electronic device for at least partially displaying a pixel of a displayable image comprising:
a first reflector and a second reflector defining an optical cavity therebetween and selective of an electromagnetic wavelength at an intensity by optical interference;
at least one cathode ray charge controlling mechanism configured to allow optical properties of the optical cavity to be varied by controlling a predetermined amount of charge stored on the first and second reflectors such that at least one of electromagnetic wavelength or intensity are variably selectable in correspondence with the pixel and displayable image.

1. A solar concentrator apparatus, comprising:
a plurality of dish-shaped reflectors coaxially aligned in an array supported by single moveable elevation spaceframe, said elevation spaceframe comprising a rigid, lightweight, open truss structure that extends in three dimensions and is constructed from struts joined at nodes forming a rectangular framework of struts with diagonal braces, said dish-shaped reflectors having a focus and being adapted to concentrate solar radiation, wherein the plurality of said dish-shaped reflectors each has a converter positioned at the focus of the dish-shaped reflector;
a two-axis tracker supporting said moveable frame, said two-axis tracker being adapted to point the moveable spaceframe in a direction such that the array of dish-shaped reflectors are positioned to receive solar radiation; and
a control device coupled to said two-axis tracker, said control device being operative to move the two-axis tracker so that the array of dish-shaped reflectors continue to receive solar radiation as the sun moves across the sky during a substantial portion of daylight hours;
wherein said converters are operative to generate electrical power when solar radiation is focused upon said converters by a corresponding dish-shaped reflector;
wherein a plurality of said struts of the elevation spaceframe form a plurality of unit reflector cells configured as right prisms with provision to support a unit generator near the focus of a corresponding dish-shaped reflector, wherein each said dish-shaped reflector is supported from lower nodes of a corresponding unit reflector cell and each associated unit generator is supported from upper nodes of a corresponding unit reflector cell;
wherein said elevation spaceframe has a plurality of unit reflector cells in an upper row and a plurality of unit reflector cells in a lower row, further comprising:
a central pedestal supporting the elevation spaceframe, wherein the lower row of the elevation spaceframe has a narrow central cell providing space for an elevation bearing and the pedestal, the elevation bearing having two ends, the two ends of the elevation bearing being supported by stiff elevation nodes, formed as an inherent part of the elevation spaceframe at the intersection of corner struts of the inner unit reflector cells in the lower row, the elevation bearing being placed at the center of gravity of the full elevation structure that turns about the elevation bearing on the central pedestal;
the central pedestal comprising a thrust bearing so that the central pedestal turns about an azimuth axis; and
said two-axis tracker having an azimuth drive for turning a portion of the central pedestal above the thrust bearing in order to rotate the elevation spaceframe about an azimuth axis, and having an elevation drive to rotate the elevation spaceframe about an elevation axis coincident with said elevation bearings;

wherein said dish-shaped reflectors are monolithic; and
wherein said dish-shaped reflectors are large paraboloidal reflectors, and a unit generator further comprises a ball field lens at the focus of the corresponding large paraboloidal reflector, which forms an image of said large paraboloidal reflector on a concave spherical shaped surface to illuminate a plurality of photovoltaic cells electrically connected in series to combine the electrical power produced by each cell into a total output of electricity from the unit generator, wherein the intensity of solar radiation across all of the photovoltaic cells is stabilized by the ball lens against pointing errors of the two-axis tracker.
2. A solar concentrator apparatus, comprising:
an array of solar reflectors each being adapted to concentrate solar radiation and focus solar radiation on a converter unit, and a two-axis tracker adapted to point said array of solar reflectors in a direction such that the array of solar reflectors are positioned to simultaneously receive solar radiation and focus the solar radiation of each solar reflector on an associated converter unit;
said reflectors are dish-shaped reflectors and are supported in a moveable spaceframe comprising a rigid, lightweight, open truss structure that extends in three dimensions and is constructed from struts joined at nodes, wherein the spaceframe comprises a rectangular framework of struts with diagonal braces, said spaceframe having nodes to hold individual dish-shaped solar reflectors, individual converter units, and mounting points for elevation bearings, the elevation bearings being supported by elevation nodes formed as part of the spaceframe, the converter units comprising unit generators, said spaceframe being moveable;
said struts of said spaceframe structure forming a plurality of unit reflector cells configured as right prisms with provision to support a unit generator near the focus of a corresponding dish-shaped reflector, wherein each said dish-shaped reflector is supported from lower nodes of a corresponding unit reflector cell and each said associated unit generator is supported from upper nodes of a corresponding unit reflector cell;
said spaceframe comprises a framework having two staggered rows of unit reflector cells, with the upper row of unit reflector cells set forward and the lower row of unit reflector cells positioned back, so that the front lower edge of the upper row coincides with the back upper edge of the lower row, and a common central horizontal structural member is provided in the framework extending the full length of the framework, the common structural member passing close to the center of gravity of the framework, the common structural member being coincident with the elevation axis;
the framework being completed by front stiffening members and by rear stiffening members between the upper row and the lower row, wherein the front stiffening members link upper front corners of the upper row and the lower row, and wherein the rear stiffening members link lower back corners of the upper row and the lower row, and wherein the front stiffening members and the rear stiffening members comprising perimeter stiffening struts in planes perpendicular to the upper row of unit reflector cells and the lower row of unit reflector cells to provide high stiffness against bending about the elevation axis;
the elevation axis having an elevation bearing supporting the framework at stiff elevation nodes formed at the intersection of corner struts of four inner unit reflector cells included in the upper row and the lower row of the unit reflector cells, so that the elevation axis connects to the spaceframe framework via two nodes on the central structural axis, the stiff elevation nodes and elevation bearing being located at narrow central cells in the upper row and the lower row of the unit reflector cells, wherein the framework is balanced about the elevation axis;
said two-axis tracker being configured to move said spaceframe structure in elevation by rotating said spaceframe about an elevation axis coincident with said elevation bearings and by rotating said spaceframe about an azimuth axis, the elevation bearing being supported by a central pedestal that turns in azimuth about a fixed vertical shaft anchored to the ground; and
a controller coupled to said tracker, said controller being operative to control the motion of the tracker so that the array of solar reflectors are oriented to the sun to focus solar radiation onto the converter units as the sun moves across the sky.
3. The solar concentrator apparatus according to claim 2, wherein:
said dish-shaped reflectors are large paraboloidal reflectors, and a unit generator further comprises a ball field lens at the focus of the corresponding large paraboloidal reflector, which forms an image of said large paraboloidal reflector on a concave spherical shaped surface to illuminate a plurality of photovoltaic cells electrically connected in series to combine the electrical power produced by each cell into a total output of electricity from the unit generator, wherein the intensity of solar radiation across all of the photovoltaic cells is stabilized by the ball lens against pointing errors of the two-axis tracker.
4. The solar concentrator apparatus according to claim 2, wherein an elevation drive is provided comprising an elevation arc attached to the framework, and an elevation drive chain securely attached to the elevation arc, wherein the elevation drive chain is driven by an electric motor.
5. The solar concentrator apparatus according to claim 4, wherein said central pedestal takes the form of a post inserted into an excavated hole backfilled with crushed rock.
6. The solar concentrator apparatus according to claim 2, wherein an azimuth drive is provided comprising a drive wheel attached to the central pedestal, and an azimuth drive chain securely attached to the azimuth drive Wheel, wherein the azimuth drive chain is driven by an electric motor.
7. The solar concentrator apparatus according to claim 6, wherein an elevation drive is provided comprising an elevation arc attached to the framework, and an elevation drive chain securely attached to the elevation arc, wherein the elevation drive chain is driven by an electric motor.
8. The solar concentrator apparatus according to claim 7, wherein said central pedestal takes the form of a triangular steel truss that extends into an excavated hole.
9. A solar concentrator apparatus, comprising:
a plurality of dish-shaped reflectors co-axially aligned in an array supported by a single moveable elevation spaceframe, said elevation spaceframe comprising a rigid, lightweight, open truss structure that extends in three dimensions and is constricted from struts joined at nodes forming a rectangular framework of struts with diagonal braces, said dish-shaped reflectors having a focus and being adapted to concentrate solar radiation, wherein the plurality of said dish-shaped reflectors each has a converter positioned at the focus of the dish-shaped reflector;
a two-axis tracker supporting said moveable frame, said two-axis tracker being adapted to point the moveable spaceframe in a direction such that the array of dish-shaped reflectors are positioned to receive solar radiation; and
a control device coupled to said two-axis tracker, said control device being operative to move the two-axis tracker so that the array of dish-shaped reflectors continue to receive solar radiation as the sun moves across the sky during a substantial portion of daylight hours;
wherein said converters are operative to generate electrical power when solar radiation is focused upon said converters by a corresponding dish-shaped reflector;
wherein a plurality of said struts of the elevation spaceframe form a plurality of unit reflector cells configured as right prisms with provision to support a unit generator near the focus of a corresponding dish-shaped reflector, wherein each said dish-shaped reflector is supported from lower nodes of a corresponding unit reflector cell and each associated unit generator is supported from upper nodes of a corresponding unit reflector cell;
wherein said elevation spaceframe has a plurality of unit reflector cells in an upper row and a plurality of unit reflector cells in a lower row, further comprising:
a central pedestal supporting the elevation spaceframe, wherein the lower row of the elevation spaceframe has a narrow central cell providing space for an elevation bearing and the pedestal, the elevation bearing having two ends, the two ends of the elevation bearing being supported by stiff elevation nodes, formed as an inherent part of the elevation spaceframe at the intersection of corner struts of the inner unit reflector cells in the lower row, the elevation bearing being placed at the center of gravity of the full elevation structure that turns about the elevation bearing on the central pedestal;
the central pedestal comprising a thrust bearing so that the central pedestal turns about an azimuth axis; and
said two-axis tracker having an azimuth drive for turning a portion of the central pedestal above the thrust bearing in order to rotate the elevation spaceframe about an azimuth axis, and having an elevation drive to rotate the elevation spaceframe about an elevation axis coincident with said elevation bearings; and

wherein said dish-shaped reflectors are large paraboloidal reflectors, and a unit generator further comprises a hall field lens at the focus of the corresponding large paraboloidal reflector, which forms an image of said large paraboloidal reflector on a concave spherical shaped surface to illuminate a plurality of photovoltaic cells electrically connected in series to combine the electrical power produced by each cell into a total output of electricity from the unit generator, wherein the intensity of solar radiation across all of the photovoltaic cells is stabilized by the ball lens against pointing errors of the two-axis tracker.
10. A solar concentrator apparatus comprising:
a plurality of dish-shaped reflectors co-axially aligned in an array supported by a single moveable elevation spaceframe, said elevation spaceframe comprising a rigid, lightweight, open truss structure that extends in three dimensions and is constructed from struts joined at nodes forming a rectangular framework of struts with diagonal braces, said dish-shaped reflectors having a focus and being adapted to concentrate solar radiation, wherein the plurality of said dish-shaped reflectors each has a converter positioned at the focus of the dish-shaped reflector;
a two-axis tracker supporting said moveable frame, said two-axis tracker being adapted to point the moveable spaceframe in a direction such that the array of dish-shaped reflectors are positioned to receive solar radiation;
a control device coupled to said two-axis tracker, said control device being operative to move the two-axis tracker so that the array of dish-shaped reflectors continue to receive solar radiation as the sun moves across the sky during a substantial portion of daylight hours; and,
wherein said converters are operative to generate electrical power when solar radiation is focused upon said converters by a corresponding dish-shaped reflector;
wherein a plurality of said struts of the elevation spaceframe form a plurality of unit revlector coils configured as right prisms with provision to support a unit generator near the focus of a corresponding dish-shaped reflector, wherein each said dish-shaped reflector is supported from lower nodes of a corresponding unit reflector cell and each associated unit generator is supported from upper nodes of a corresponding unit reflector cell;
wherein said elevation spaceframe has a plurality of unit reflector cells in an upper row and a plurality of unit reflector cells in a lower row, further comprising:
a central pedestal supporting the elevation spaceframe, wherein the lower row of the elevation spaceframe has a narrow central cell providing space for an elevation bearing and the pedestal, the elevation bearing having two ends, the two ends of the elevation bearing being supported by stiff elevation nodes, formed as an inherent part of the elevation spaceframe at the intersection of corner struts of the inner unit reflector cells in the lower row, the elevation bearing being placed at the center of gravity of the full elevation structure that turns about the elevation bearing on the central pedestal;
the central pedestal comprising a thrust bearing so that the central pedestal turns about an azimuth axis; and
said two-axis tracker having an azimuth drive for turning a portion of the central pedestal above the thrust bearing in order to rotate the elevation spaceframe about an azimuth axis, and having an elevation drive to rotate the elevation spaceframe about an elevation axis coincident with said elevation bearings;

wherein said dish-shaped reflectors are monolithic;
wherein said dish shaped reflection are substantially square, and said unit reflector cells are right prisms having a square cross section, each dish-shaped reflector having a dish axis passing through the center of the dish-shaped reflector, the upper prism face of each right prism unit reflector cell having a center that lies on the corresponding dish axis of the dish-shaped reflector supported in said unit reflector cell, and the lower prism face of each right prism unit reflector cell having a center that lies on the corresponding dish axis of the dish-shaped reflector supported in said unit reflector cell, wherein each dish-shaped reflector is supported from the corners of the lower prism face by a dish support structure, and a corresponding converter unit is centered on the dish axis and is supported from the corners of the upper prism face;
wherein each dish-shaped reflector corresponds to a plurality of photovoltaic cells which are configured to receive reflected solar energy from the dish-shaped reflector, wherein the photovoltaic cells are configured for converting solar energy into electricity;
wherein each dish-shaped reflector corresponds to a ball field lens which is configured to receive reflected solar energy from the dish-shaped reflector and direct the solar energy at the plurality of photovoltaic cells.

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 pipeline-type analog-to-digital (AD) converter, comprising:
N number of stages cascade-connected; and
a digital correction circuit that receives digital signals outputted from the N number of stages and outputs a final digital signal, wherein an Mth stage in the N number of stages includes:
a sub AD converter AD-converting an input analog signal;
a sub digital-to-analog (DA) converter DA converting a digital signal outputted from the sub AD converter;
a differential amplifier circuit that includes a sample hold circuit and an operational amplifier, performs an sampling operation and a holding operation to obtain a difference between the input analog signal and an output signal of the sub DA converter, and amplifies the difference; and
a compensation circuit compensating a gain error of the operational amplifier in an operation of the differential amplifier circuit, the gain error being caused by parasitic capacitance between an input terminal and an output terminal of the operational amplifier, and wherein 1\u2266M<N.
2. The pipeline-type AD converter according to claim 1, wherein the compensation circuit compensates, in the operation of the differential amplifier circuit, an electric charge flowing into the parasitic capacitance between the input terminal and the output terminal of the operational amplifier from a capacitor of the sample hold circuit with respect to the capacitor.
3. The pipeline-type AD converter according to claim 1, the compensation circuit including:
a first circuit having:
a first switch selecting the input analog signal;
a second switch selecting a predetermined potential; and
a first compensation capacitor selectively receiving the input analog signal selected by the first switch and the predetermined potential selected by the second switch, one end of the first compensation capacitor being coupled to the input terminal of the operational amplifier; and

a second circuit having:
a third switch selecting the output signal of the sub DA converter;
a fourth switch selecting the predetermined potential; and
a second compensation capacitor selectively receiving the output signal selected by the third switch and the predetermined potential selected by the fourth switch, one end of the second capacitor being coupled to the input terminal of the operational amplifier.
4. The pipeline-type AD converter according to claim 3, wherein, in the compensation circuit, in the sampling operation of the sample hold circuit, the first switch selects the input analog signal to input the selected input analog signal to the first compensation capacitor, and the fourth switch selects the predetermined potential to input the selected predetermined potential to the second compensation capacitor, while, in the holding operation of the sample hold circuit, the second switch selects the predetermined potential to input the selected predetermined potential to the first compensation capacitor, and the third switch selects the output signal of the sub DA converter to input the selected output signal to the second compensation capacitor.
5. A pipeline-type analog-to-digital (AD) converter, comprising:
N number of stages cascade-connected; and
a digital correction circuit that receives digital signals outputted from the N number of stages and outputs a final digital signal, wherein an Mth stage and an M+1th stage in the N number of stages commonly use an operational amplifier in a time-sharing manner, wherein the Mth stage includes:
a first sub AD converter AD-converting an input analog signal;
a first sub digital-to-analog (DA) converter DA converting a digital signal outputted from the first sub AD converter; and
a first differential amplifier circuit that includes a first sample hold circuit, performs an sampling operation and a holding operation to obtain a difference between the input analog signal and an output signal of the first sub DA converter, and amplifies the difference; and
a first compensation circuit compensating a gain error of the operational amplifier, if the first differential amplifier circuit uses the operational amplifier, the gain error being caused by parasitic capacitance between an input terminal and an output terminal of the operational amplifier; and

the M+1th stage includes:
a second sub AD converter AD-converting an analog signal outputted from the operational amplifier;
a second sub DA converter DA-converting a digital signal outputted from the second sub AD converter;
a second differential amplifier circuit that includes a second sample hold circuit, performs an sampling operation and a holding operation to obtain a difference between the analog signal outputted from the operational amplifier and an output signal of the second sub DA converter, and amplifies the difference; and
a second compensation circuit compensating a gain error of the operational amplifier, if the second differential amplifier circuit uses the operational amplifier, the gain error being caused by the parasitic capacitance between the input terminal and the output terminal of the operational amplifier, and

wherein 1\u2266M<N.
6. The pipeline-type AD converter according to claim 5, wherein the operational amplifier is of a fully-differential type.