1. A seed, plant, plant part, or cell of inbred maize variety PH18V2, representative seed of said variety having been deposited under ATCC accession number PTA-122034.
2. A method for collecting data; said method comprises isolating nucleic acids from the seed, plant, plant part, or cell of claim 1, and collecting data based on the nucleic acids.
3. A maize seed produced by crossing the plant or plant part of claim 1 with a different maize plant.
4. A maize plant produced by growing the maize seed of claim 3.
5. A method for producing a second maize plant comprising applying plant breeding techniques to a first maize plant, or parts thereof, wherein said first maize plant is the maize plant of claim 4, and wherein application of said techniques results in the production of said second maize plant.
6. The method of claim 5, comprising:
(a) crossing said first maize plant with itself or another maize plant to produce seed of a subsequent generation;
(b) harvesting and planting the seed of the subsequent generation to produce at least one plant of the subsequent generation; and
(c) repeating steps (a) and (b) for an additional 2-10 generations to produce the second maize plant.
7. The second maize plant produced by the method of claim 6, wherein the first maize plant is crossed with itself in step (a) and wherein said second maize plant has all of the phenotypic and morphological characteristics listed in Table 1 of inbred maize variety PH18V2 when grown in the same environmental conditions.
8. The method of claim 5, comprising:
(a) crossing said first maize plant with an inducer variety to produce haploid seed; and
(b) doubling the haploid seed to produce the second maize plant.
9. The second maize plant produced by the method of claim 8, wherein said second maize plant has all of the phenotypic and morphological characteristics listed in Table 1 of inbred maize variety PH18V2 when grown in the same environmental conditions.
10. A converted seed, converted plant, plant part, or cell of inbred maize variety PH18V2, representative seed of said variety having been deposited under ATCC accession number PTA-122034, said converted seed, converted plant, plant part or cell comprising a locus conversion, wherein (i) the converted seed produces a plant which has otherwise all of the phenotypic and morphological characteristics of inbred maize variety PH18V2; (ii) the converted plant has otherwise all of the phenotypic and morphological characteristics of maize variety PH18V2; or (iii) the plant part or cell is obtained from the converted seed or the converted plant and has otherwise all of the phenotypic and morphological characteristics of maize variety PH18V2.
11. The converted seed, converted plant, plant part, or cell of claim 10, wherein the locus conversion confers a trait selected from the group consisting of male sterility, abiotic stress tolerance, altered phosphorus, altered antioxidants, altered fatty acids, altered essential amino acids, altered carbohydrates, herbicide tolerance, insect resistance and disease resistance.
12. A method for collecting data; wherein said method comprises isolating nucleic acids from the converted seed, converted plant, plant part, or cell of claim 10, analyzing said nucleic acids, and collecting data based on the nucleic acids.
13. A maize seed produced by crossing the plant or plant part of claim 10 with a different maize plant.
14. A maize plant produced by growing the seed of claim 13.
15. A method for producing a second maize plant comprising applying plant breeding techniques to a first maize plant, or parts thereof, wherein said first maize plant is the maize plant of claim 14, and wherein application of said techniques results in production of said second maize plant.
16. The method for producing a second maize plant of claim 15, comprising:
(a) crossing said first maize plant with itself or another maize plant to produce seed of a subsequent generation;
(b) harvesting and planting the seed of the subsequent generation to produce at least one plant of the subsequent generation; and
(c) repeating steps (a) and (b) for an additional 2-10 generations to produce the second maize plant.
17. The second maize plant produced by the method of claim 16, wherein the first maize plant is crossed with itself in step (a) and wherein said second maize plant has all of the phenotypic and morphological characteristics listed in Table 1 of inbred maize variety PH18V2 when grown under the same environmental conditions.
18. The method of claim 15, comprising:
(a) crossing said first maize plant with an inducer variety to produce haploid seed; and
(b) doubling the haploid seed to produce the second maize plant.
19. A second maize seed, plant, plant part, or cell produced by crossing (i) a plant or plant part of inbred maize variety PH18V2 or (ii) a converted plant of inbred maize variety PH18V2 comprising a locus conversion and otherwise having all of the phenotypic and morphological characteristics of maize variety PH18V2, with another plant, wherein representative seed of said inbred maize variety PH18V2 has been deposited under ATCC accession number PTA-122034 and wherein said second maize seed, plant, plant part, or cell has 92% of the same polymorphisms for molecular markers listed in Table 4 as the plant or plant part of inbred maize variety PH18V2.
20. The converted seed, converted plant, plant part, or cell of claim 10 wherein the locus conversion creates a site for site-specific DNA integration.
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 image forming apparatus comprising:
a storage unit;
an image forming unit configured to form, for each of a plurality of colors, a density detection pattern for detecting a density and a reference pattern for specifying a position of the density detection pattern on an image carrier by a developer;
a light-receiving unit configured to receive reflection light of light emitted toward the image carrier, and output a signal corresponding to an amount of received light;
a sampling unit configured to sample the signal output from said light-receiving unit, and store sampling values in said storage unit;
a detection unit configured to detect the reference pattern by comparing the signal corresponding to the amount of received light with a threshold; and
a determination unit configured to determine, for at least one of the plurality of colors, a sampling value corresponding to reflection light from the density detection pattern of the color among the sampling values stored in said storage unit, based on a detection time of the reference pattern of the color detected by said detection unit.
2. The apparatus according to claim 1, wherein said detection unit is further configured to detect the reference pattern by comparing sampling values stored in said storage unit with the threshold.
3. The apparatus according to claim 1, wherein said detection unit is further configured to detect the reference pattern by comparing the signal output from said light-receiving unit with the threshold.
4. The apparatus according to claim 1, wherein at least one of the plurality of colors includes a color for which the density detection pattern reaches a reflection position of light emitted by said light-receiving unit before the reference pattern.
5. The apparatus according to claim 1, wherein said image forming unit is further configured to form one reference pattern and a plurality of density detection patterns on the image carrier for each color.
6. The apparatus according to claim 1, wherein said image forming unit is further configured to form, on the image carrier by a developer, a registration detection pattern for detecting misregistration together with the density detection pattern and the reference pattern.
7. The apparatus according to claim 1, wherein
said image forming unit is further configured to form a plurality of registration detection patterns for detecting misregistration and a plurality of density detection patterns on the image carrier by a developer,
forming positions of the plurality of registration detection patterns on the image carrier are decided according to a registration detection pattern constraint,
forming positions of the plurality of density detection patterns on the image carrier are decided according to a density detection pattern constraint, and
the reference pattern is formed at a position, on the image carrier, different from the decided forming positions of the plurality of registration detection patterns and the plurality of density detection patterns.
8. The apparatus according to claim 7, wherein
the image carrier is an endless belt which is looped around a plurality of rollers,
the registration detection pattern constraint includes a distance between the plurality of registration detection patterns is m2 times (m is an odd number) a rotation period of a roller for driving the endless belt among the plurality of rollers, and
the density detection pattern constraint includes a distance between the plurality of density detection patterns is n2 times (n is an odd number) a rotation period of a tension roller for keeping tension on the endless belt among the plurality of rollers.
9. The apparatus according to claim 6, wherein the density detection pattern, the registration detection pattern, and the reference pattern are formed within one round of the image carrier.
10. An image forming apparatus comprising:
an image forming unit configured to form, for each of a plurality of colors, a density detection pattern for detecting a density and a reference pattern for specifying a position of the density detection pattern on an image carrier by a developer; and
a light-receiving unit configured to receive reflection light of light emitted toward the image carrier, and output a signal corresponding to an amount of received light,
wherein said image forming unit is further configured to form, for at least one of the plurality of colors, the density detection pattern of the color and the reference pattern of the color so that the density detection pattern reaches a reflection position of light emitted by said light-receiving unit before the reference pattern.
11. The apparatus according to claim 10, further comprising:
a detection unit configured to detect the reference pattern by comparing the signal corresponding to the amount of received light with a threshold, and
a storage unit configured to store values of the signal corresponding to the amount of received light of said light-receiving unit in order to specify an amount of received light corresponding to reflection from the density detection pattern after said detection unit detects the reference pattern for a color for which the density detection pattern and the reference pattern are formed so that the density detection pattern reaches the reflection position of the light emitted by said light-receiving unit before the reference pattern.
12. The apparatus according to claim 10 wherein the density detection pattern and the reference pattern are formed within one round of the image carrier.
13. A method comprising the steps of:
forming, for each of a plurality of colors, a density detection pattern for detecting a density and a reference pattern for specifying a position of the density detection pattern on an image carrier by a developer;
receiving reflection light of light emitted toward the image carrier, and outputting a signal corresponding to an amount of received light;
sampling the output signal, and storing sampling values in a storage unit;
detecting the reference pattern by comparing the signal corresponding to the amount of received light with a threshold; and
determining, for at least one of the plurality of colors, a sampling value corresponding to reflection light from the density detection pattern of the color among the sampling values stored in the storage unit, based on a detection time of the detected reference pattern of the color.
14. A method comprising the steps of:
forming, for each of a plurality of colors, a density detection pattern for detecting a density and a reference pattern for specifying a position of the density detection pattern on an image carrier by a developer;
receiving reflection light of light emitted toward the image carrier, and outputting a signal corresponding to an amount of received light; and
forming, for at least one of the plurality of colors, the density detection pattern and the reference pattern of the color so that the density detection pattern reaches a reflection position of light emitted by a light-receiving unit before the reference pattern.