All The Claims

1. An image-capturing apparatus comprising:
an image-capturing unit shooting a subject to generate an image thereof;
a recording unit recording thereon one or more of color reproduction matrices in association with each of a plurality of kinds of illuminants including natural light and at least one kind of artificial illumination device;
a white balance gain calculating unit calculating an evaluated value relating to a white balance gain to be applied to the image;
a computing unit selecting at least two of the color reproduction matrices which are associated with different kinds of illuminants from the color reproduction matrices recorded on said recording unit based on the evaluated value, and computing a correction color reproduction matrix based on at least two of the color reproduction matrices being selected by interpolation processing; and
a color reproduction processing unit applying color reproduction processing to the image generated by said image-capturing unit, by using the corrected color reproduction matrix,
wherein said computing unit expresses the kinds of illuminants associated with the color reproduction matrices recorded on said recording unit as loci in system of coordinates in a color space, and computes the corrected color reproduction matrix through interpolation processing by determining a weighted average of the color reproduction matrices based on position coordinates in the system of coordinates.
2. The image-capturing apparatus according to claim 1, wherein:
said recording unit records two or more of the color reproduction matrices in association with at least one kind of illuminant of the plurality of kinds of illuminants including natural light and at least one kind of artificial illumination device; and
said computing unit computes the corrected color reproduction matrix by interpolation processing according to at least two of the color reproduction matrices and to at least one of the color reproduction matrices among the color reproduction matrices recorded on said recording unit, the at least two of the color reproduction matrices being associated with the at least one kind of illuminant, the at least one of the color reproduction matrices being associated with an illuminant of a different kind from that of the at least one kind of illuminant.

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 monoclonal antibody which binds to a shared epitope of Human Immunodeficiency Virus-1 protein p24 and Human Immunodeficiency Virus-2 protein p26.
2. The monoclonal antibody of claim 1 wherein said antibody is selected from the group consisting of 120A-270, 115B-151, 117-289, 103-350, 115B-303, and 108-394.
3. A hybridoma cell line which secretes a monoclonal antibody which binds to a shared epitope Human Immunodeficiency Virus-1 protein p24 and Human Immunodeficiency Virus-2 protein p26.
4. The hybridoma cell line of claim 3, wherein said cell line is selected from the group consisting of A.T.C.C. Deposit No. HB ______ , A.T.C.C. Deposit No. HB ______ , A.T.C.C. Deposit No. HB ______ , A.T.C.C. Deposit No. HB ______ , A.T.C.C. Deposit No. HB ______ , and A.T.C.C. Deposit No. HB ______ .
5. A method for detecting the presence of one or more antigens selected from the group consisting of HIV-1 antigen and HIV-2 antigen, in a test sample suspected of containing one or more of said antigens, comprising the steps of:
a) contacting said test sample with at least one monoclonal antibody which binds to a shared epitope of Human Immunodeficiency Virus-1 protein p24 and Human Immunodeficiency Virus-2 protein p26 for a time and under conditions sufficient for the formation of antibodyantigen complexes; and
b) detecting said complexes, presence of said complexes indicating presence of at least one antigen selected from the group consisting of HIV-1 antigen and HIV-2 antigen, in said test sample.
6. The method of claim 5 wherein said at least one monoclonal antibody of step (a) is selected from the group consisting of 120A-270, 115B-151, 117-289, 103-350, 115B-303 and 108-394.
7. The method of claim 6 wherein said at least one monoclonal antibody of step (a) is labeled.
8. A method for detecting the presence of one or more antigens selected from the group consisting of HIV-1 antigen and HIV-2 antigen, in a test sample suspected of containing one or more of said antigens, comprising the steps of:
a) contacting said test sample with at least one monoclonal antibody which binds to a shared epitope of Human Immunodeficiency Virus-1 protein 24 and Human Immunodeficiency Virus-2 protein p26 for a time and under conditions sufficient for the formation of antibodyantigen complexes;
b) adding a conjugate to the resulting antibodyantigen complexes for a time and under conditions sufficient to allow said conjugate to bind to the bound antigen, wherein said conjugate comprises an antibody attached to a signal generating compound capable of generating a detectable signal; and
c) detecting presence of antigen which may be present in said test sample by detecting a signal generated by said signal generating compound, presence of said signal indicating presence of at least one antigen selected from the group consisting of HIV-1 antigen and HIV-2 antigen in said test sample.
9. The method of claim 8 wherein said at least one monoclonal antibody of step (a) is selected from the group consisting of 120A-270, 115B-151 117-289, 103-350, 115B-303, and 108-394.
10. The method of claim 8 wherein said antibody of step (b) of said conjugate is selected from the group consisting of 120A-270, 115B-151, 117-289, 103-350, 115B-303, and 108-394.
11. The method of claim 8 wherein said at least one monoclonal antibody of step (a) is selected from the group consisting of 120-270, 108-394 and 115B-303, and said antibody of step (b) of said conjugate is selected from the group consisting of 117-289 and 115B-151.
12. The method of claim 11 wherein said at least one monoclonal antibody of step (a) is 120A-270 and said antibody of step (b) of said conjugate is 115B-151.
13. A method for detecting the presence of one or more antigens selected from the group consisting of HIV-1 antigen and HIV antigen, in a test sample suspected of containing one or more of said antigens, comprising the steps of:
(a) contacting: 1) at least one monoclonal antibody which binds to a shared epitope of HIV-1 p24 antigen and HIV-2 p26 antigen bound to a solid support, 2) said test sample, and 3) an indicator reagent comprising an antibody which binds to HIV-1 antigen and HIV-2 antigen to which a signal generating compound is attached, to form a mixture;
(b) incubating said mixture for a time and under conditions sufficient to form antibodyantigenantibody complexes;
(c) detecting presence of a measurable signal generating by said signal-generating compound, presence of said signal indicating presence of one or more antigens in said test sample selected from the group consisting of HIV-1 antigen and HIV-2 antigen.
14. The method of claim 13 wherein said at least one monoclonal antibody of step (a) is selected from the group consisting of 120A-270, 115B-151, 117-289, 103-350, 115B-303 and 108-394.
15. The method of claim 13 wherein said antibody of said indicator reagent of step (a) is selected from the group consisting of 120A-270, 115B-151, 117-289, 103-350, 115B-303 and 108-394.
16. The method of claim 13 wherein said at least one monoclonal antibody of step (a) is 120A-270 and said antibody of said indicator reagent of of step (a) is 115B-151.
17. A kit for determining the presence of one or more antigens selected from the group consisting of HIV-1 antigen and HIV-2 antigen in a test sample comprising: (a) at least one monoclonal antibody which binds to a shared epitope of Human Immunodeficiency Virus-1 protein p24 and Human Immunodeficiency Virus-2 protein p26; and (b) a conjugate comprising an antibody attached to a signal generating compound capable of generating a detectable signal.
18. The kit of claim 17 wherein said at least one monoclonal antibody of (a) is selected from the group consisting of 120A-270, 115B-151, 117-289, 103-350, 115B-303 and 108-394.
19. The kit of claim 17 wherein said antibody of (b) is selected from the group consisting of 120A-270, 115B-151, 117-289, 103-350, 115B-3-3 and 108-394.
20. A diagnostic reagent comprising at least one monoclonal antibody selected from the group consisting of 120A-270, 115B-151, 117-289, 103-350, 108-394 and 115B-303.
21. An isolated peptide comprising the amino acid sequence of SEQ ID NO:1.
22. An isolated peptide comprising the amino acid sequence of SEQ ID NO:2.
23. An isolated peptide comprising the amino acid sequence of SEQ ID NO:3.
24. An isolated peptide comprising the amino acid sequence of SEQ ID NO:4.
25. An isolated peptide comprising the amino acid sequence of SEQ ID NO:5.
26. An isolated peptide comprising the amino acid sequence of SEQ ID NO:6.
27. A method of detecting 1) one or more antibodies selected from the group consisting of HIV-1 antibody and HIV-2 antibody, and 2) one or more antigens selected from the group consisting of HIV-1 antigen and HIV-2 antigen, in a test sample suspected of containing said one or more of said antibodies and one or more of said antigens, comprising the steps of:
a) contacting said test sample with at least one HIV-1 antigen which binds to HIV-1 antibody for a time and under conditions sufficient for the formation of HIV-1 antigenHIV-1 antibody complexes;
b) detecting said HIV-1 antigenHIV-1 antibody complexes, presence of said complexes indicating presence of HIV-1 antibody in said test sample;
c) contacting said test sample with at least one HIV-2 antigen which binds to HIV-2 antibody for a time and under conditions sufficient for the formation of HIV-2 antigenHIV-2 antibody complexes;
d) detecting said HIV-2 antigenHIV-2 antibody complexes, presence of said complexes indicating presence of HIV-2 antibody in said test sample;
e) contacting said test sample with at least one monoclonal antibody which binds to a shared epitope of Human Immunodeficiency Virus-1 protein p24 and Human Immunodeficiency Virus-2 protein p26 for a time and under conditions sufficient for the formation of antibodyantigen complexes; and
f) detecting said complexes, presence of said complexes indicating presence of at least one antigen selected from the group consisting of HIV-1 antigen and HIV-2 antigen, in said test sample.
28. A method of detecting 1) one or more antibodies selected from the group consisting of HIV-1 antibody and HIV-2 antibody, and 2) one or more antigens selected from the group consisting of HIV-1 antigen and HIV-2 antigen, in a test sample suspected of containing said one or more of said antibodies and one or more of said antigens, comprising the steps of:
a) contacting said test sample with at least one HIV-1 antigen which binds to HIV-1 antibody for a time and under conditions sufficient for the formation of HIV-1 antigenHIV-1 antibody complexes:
b) adding a conjugate to the resulting HIV-1 antigenHIV-1 antibody complexes for a time and under conditions sufficient to allow said conjugate to bind to the bound antibody, wherein said conjugate comprises an antigen attached to a signal generating compound capable of generating a detectable signal;
c) detecting HIV-1 antibody which may be present in said test sample by detecting a signal generated by said signal generating compound, presence of said signal indicating presence of HIV-1 antibody in said test sample;
d) contacting said test sample with at least one HIV-2 antigen which binds to HIV-2 antibody for a time and under conditions sufficient for the formation of HIV-2 antigenHIV-2 antibody complexes:
e) adding a conjugate to the resulting HIV-2 antigenHIV-2 antibody complexes for a time and under conditions sufficient to allow said conjugate to bind to the bound antibody, wherein said conjugate comprises an antigen attached to a signal generating compound capable of generating a detectable signal;
f) detecting HIV-2 antibody which may be present in said test sample by detecting a signal generated by said signal-generating compound, presence of said signal indicating presence of HIV-2 antibody in said test sample;
g) contacting said test sample with at least one monoclonal antibody which binds to a shared epitope of Human Immunodeficiency Virus-1 protein 24 and Human Immunodeficiency Virus-2 protein p26 for a time and under conditions sufficient for the formation of antibodyantigen complexes;
h) adding a conjugate to the resulting antibodyantigen complexes for a time and under conditions sufficient to allow said conjugate to bind to the bound antigen, wherein said conjugate comprises an antibody attached to a signal generating compound capable of generating a detectable signal; and
i) detecting presence of antigen which may be present in said test sample by detecting a signal generated by said signal generating compound, presence of said signal indicating presence of at least one antigen selected from the group consisting of HIV-1 antigen and HIV-2 antigen in said test sample.

1. An electronic apparatus comprising:
a touch sensor;
a controller to perform:
a process of controlling a first operation so as to be performed in response to a first action that is carried out due to a first zone of the touch sensor being touched after an untouched state of the touch sensor;
a process of controlling a second operation so as to be performed in response to a second action that is carried out due to a second zone of the touch sensor being touched after an untouched state of the touch sensor; and
a process of controlling the second operation so as not to be performed due to the second zone being touched while a touched state of the touch sensor is maintained after the first zone is touched after an untouched state of the touch sensor; and

a display section to display an image related to the first operation and an image related to the second operation,
wherein, while the display section is displaying the image related to the first operation and the image related to the second operation, the controller controls the display section so as to erase the image related to the second operation due to the first zone being touched after an untouched state of the touch sensor.
2. The electronic apparatus according to claim 1, wherein the display section includes a monitor screen and the touch sensor is provided in a manner that the touch sensor is overlapped with the monitor screen.
3. The electronic apparatus according to claim 1, wherein the touch sensor is transparent.
4. The electronic apparatus according to claim 1, wherein the first operation is to vary a value related to a function to a larger value or a smaller value.
5. The electronic apparatus according to claim 1, wherein the second operation is to change a mode of a function from a turn-on mode to a turn-off mode or from the turn-off mode to the turn-on mode.
6. The electronic apparatus according to claim 1, wherein when the electronic apparatus is an imaging apparatus equipped with a zooming functional component and the first operation is related to the zooming functional component.
7. The electronic apparatus according to claim 1, wherein the electronic apparatus is an imaging apparatus and the second operation is to change a mode of a face detecting function from a turn-on mode to a turn-off mode or from the turn-off mode to the turn-on mode.
8. The electronic apparatus according to claim 1, wherein the electronic apparatus is an imaging apparatus and the second operation is to change a mode of an automatic exposure adjustments function from a turn-on mode to a turn-off mode or from the turn-off mode to the turn-on mode.
9. The electronic apparatus according to claim 1, wherein the image related to the second operation is one letter related to the second operation or an icon related to the second operation.
10. The electronic apparatus according to claim 1, wherein the image related to the first operation is one letter related to the first operation or an icon related to the first operation.
11. The electronic apparatus according to claim 1, wherein the controller controls a third operation so as to be performed in response to a third action that is carried out due to the first zone of the touch sensor being touched after an untouched state of the touch sensor.
12. The electronic apparatus according to claim 11, wherein the first operation is to make larger a value related to a function related to the first and third operations and the third operation is to make smaller the value related to the function related to the first and third operations.
13. The electronic apparatus according to claim 12, wherein the electronic apparatus is an imaging apparatus equipped with a zooming functional component, the function related to the first and third operations is a zooming function to drive the zooming functional component, the first operation is to drive the zooming functional component to a telephoto side to make larger a zoom magnification, and the third operation is to drive the zooming functional component to a wide-angle side to make smaller the zoom magnification.
14. The electronic apparatus according to claim 11, wherein the image related to the first operation is an image related to the first and third operations.
15. The electronic apparatus according to claim 14, wherein the image related to the first operation is one letter related to the first and third operations or an icon related to the first and third operations.
16. The electronic apparatus according to claim 1, wherein the display section includes a monitor screen and the touch sensor is provided in a manner that the touch sensor is separated from the monitor screen.
17. An electronic apparatus comprising:
a touch sensor;
a controller to perform:
a process of controlling a first operation so as to be performed in response to a first action that is carried out due to a first zone of the touch sensor being touched after an untouched state of touch sensor;
a process of controlling a second operation so as to be performed in response to a second action that is carried out due to a second zone of the touch sensor being touched after an untouched state of the touch sensor; and
a process of controlling the second operation so as not to be performed in response to an action that is carried out due to the second zone being touched while a touched state of the touch sensor is maintained after the first zone is touched after an untouched state of the touch sensor; and

a display section to display an image related to the first operation and an image related to the second operation,
wherein, while the display section is displaying the image related to the first operation and the image related to the second operation, the controller controls the display section so as to erase the image related to the second operation due to the first zone being touched after an untouched state of the touch sensor.
18. A method of controlling an electronic apparatus equipped with a touch sensor and a display section, comprising the steps of:
controlling a first operation so as to be performed in response to a first action that is carried out due to a first zone of the touch sensor being touched after an untouched state of the touch sensor;
controlling a second operation so as to be performed in response to a second action that is carried out due to a second zone of the touch sensor being touched after an untouched state of the touch sensor;
controlling the second operation so as not to be performed due to the second zone being touched while a touched state of the touch sensor is maintained after the first zone is touched after an untouched state of the touch sensor; and
while the display section is displaying an image related to the first operation and an image related to the second operation, controlling the display section so as to erase the image related to the second operation due to the first zone being touched after an untouched state of the touch sensor.
19. A method of controlling an electronic apparatus equipped with a touch sensor and a display section, comprising the steps of:
controlling a first operation so as to be performed in response to a first action that is carried out due to a first zone of the touch sensor being touched after an untouched state of the touch sensor;
controlling a second operation so as to be performed in response to a second action that is carried out due to a second zone of the touch sensor being touched after an untouched state of the touch sensor;
controlling the second operation so as not to be performed in response to an action that is carried out due to the second zone being touched while a touched state of the touch sensor is maintained after the first zone is touched after an untouched state of the touch sensor; and
while the display section is displaying an image related to the first operation and an image related to the second operation, controlling the display section so as to erase the image related to the second operation due to the first zone being touched after an untouched state of the touch sensor.

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 medium conveying apparatus comprising:
a medium conveying member that conveys a medium;
a rotation start position detecting unit that detects a plurality of rotation start positions that are preset in accordance with a central angle of the medium conveying member that is equally divided along a rotational direction of the medium conveying member;
a driving start timing determining unit that determines whether a time reaches a driving start timing when rotation driving by the medium conveying member is started or not; and
a medium conveying member controlling unit that controls the rotation driving of the medium conveying member, in case the driving start timing determining unit determines that the time reaches the driving start timing and the rotation driving is started from one of the rotation start positions, the rotation driving at another one of the rotation start positions that is different from the rotation start position where the rotation driving is started, and stops the rotation driving of the medium conveying member based on a result of the detection by the rotation start position detecting unit.
2. The medium conveying apparatus according to claim 1, wherein,
after the medium is conveyed to the medium conveying member, the medium conveying member controlling unit starts the rotation driving of the medium conveying member at the driving start timing to start conveyance of the medium, and the apparatus further comprises:
a zone circumferential length measuring unit that measures zone circumferential lengths between adjacent ones of the rotation start positions;
a medium conveying time calculating unit that calculates a medium conveying time when the medium is conveyed from the medium conveying member to a preset conveyance destination, based on a preset rotation rate of the medium conveying member per unit time, a medium conveying length from the medium conveying member to the conveyance destination, and zone circumferential lengths corresponding to a central angle from the rotation start position where the rotation driving is started, to the rotation start positions; and
a driving start timing calculating unit that calculates the driving start timing for causing the medium to reach the conveyance destination at a preset medium reach timing, based on the medium conveying time calculated by the medium conveying time calculating unit.
3. The medium conveying apparatus according to claim 1, wherein,
after the medium is conveyed to the medium conveying member, the medium conveying member controlling unit starts the rotation driving of the medium conveying member at the preset driving start timing to start conveyance of the medium, and
the apparatus further comprises:
a zone circumferential length measuring unit that measures zone circumferential lengths between adjacent ones of the rotation start positions;
a medium conveying time calculating unit that calculates a medium conveying time when the medium is conveyed from the medium conveying member to a preset conveyance destination, based on a preset rotation rate of the medium conveying member per unit time, a medium conveying length from the medium conveying member to the conveyance destination, and zone circumferential lengths corresponding to a central angle from the rotation start position where the rotation driving is started, to the rotation start positions; and
a medium reach timing calculating unit that calculates a medium reach timing when the medium reaches the conveyance destination, based on the driving start timing, and the medium conveying time calculated by the medium conveying time calculating unit.
4. The medium conveying apparatus according to claim 1, wherein,
after the medium is conveyed to the medium conveying member, the medium conveying member controlling unit starts the rotation driving of the medium conveying member at the preset driving start timing by a high-speed rotation rate that is larger than a normal rotation rate that is a rotation rate per unit time of the medium conveying member in a normal state, to start conveyance of the medium, and decelerates from the high-speed rotation rate to the normal rotation rate, at a deceleration start timing when the medium conveying time at which the medium is conveyed from the medium conveying member to a preset conveyance destination has not elapsed, and
the apparatus further comprises:
a zone circumferential length measuring unit that measures zone circumferential lengths between adjacent ones of the rotation start positions; and
a deceleration start timing calculating unit that calculates the deceleration start timing for causing the medium to reach the conveyance destination at a medium reach timing when the medium conveying time has elapsed from the driving start timing, based on the normal rotation rate and high-speed rotation rate which are preset, the preset medium conveying time, a medium conveying length from the medium conveying member to the conveyance destination, and zone circumferential lengths corresponding to a central angle from the rotation start position where the rotation driving is started, to the rotation start positions.
5. The medium conveying apparatus according to claim 2, wherein the apparatus further comprises a rotation rate calculating unit that calculates a rotation rate of the medium conveying member per unit time, the rotation rate corresponding to the zone circumferential lengths measured by the zone circumferential length measuring unit, based on the measured zone circumferential lengths, and an average of the previously measured zone circumferential lengths in product shipment.
6. The medium conveying apparatus according to claim 1, wherein,
after the medium is conveyed to the medium conveying member, the medium conveying member controlling unit starts the rotation driving of the medium conveying member at the preset driving start timing to start conveyance of the medium, and
the apparatus further comprises:
a zone circumferential length measuring unit that measures zone circumferential lengths between adjacent ones of the rotation start positions; and
a rotation rate calculating unit that calculates a rotation rate of the medium conveying member per unit time, the rotation rate causing the medium to reach a preset conveyance destination at a medium reach timing when the medium conveying time has elapsed from the driving start timing, based on a preset medium conveying time when the medium is conveyed from the medium conveying member to the conveyance destination, a preset medium conveying length from the medium conveying member to the conveyance destination, and zone circumferential lengths corresponding to a central angle from the rotation start position where the rotation driving is started, to the rotation start positions.
7. The medium conveying apparatus according to claim 2, wherein the apparatus further comprises
a medium detecting member that is placed between the medium conveying member and the conveyance destination, and that detects a front end of the medium in a medium conveying direction, and
the zone circumferential length measuring unit measures zone circumferential lengths corresponding to a central angle from the rotation start position where the rotation driving is started, to the rotation start positions, based on a rotation rate of the medium conveying member per unit time, a medium detection length from the medium conveying member to the medium detecting member, and a medium detection time which extends from the driving start timing to a medium detection timing when the medium detecting member detects the front end of the medium in the medium conveying direction.
8. The medium conveying apparatus according to claim 7, wherein the medium detecting member is placed at a preset medium detection position where the medium detection length equals to an average of zone circumferential lengths between adjacent ones of the rotation start positions, in product shipment.
9. The medium conveying apparatus according to claim 7, wherein the medium detecting member is placed at a medium detection position where the medium conveying direction from the medium conveying member to the medium detecting member linearly extends.
10. The medium conveying apparatus according to claim 7, wherein,
after the medium is conveyed to the medium conveying member, the medium conveying member controlling unit starts the rotation driving of the medium conveying member at the driving start timing by a high-speed rotation rate that is larger than a normal rotation rate that is a rotation rate per unit time of the medium conveying member in a normal state, to start conveyance of the medium, and decelerates from the high-speed rotation rate to the normal rotation rate, at a deceleration start timing when a preset high-speed rotation time has elapsed from the driving start timing, and when the medium conveying time at which the medium is conveyed from the medium conveying member to a preset conveyance destination has not elapsed, thereby causing the medium to reach the conveyance destination at a medium reach timing when the medium conveying time has elapsed from the driving start timing, and
the apparatus further comprises:
a predicted value calculating unit that calculates a predicted value of the medium detection time on a basis of the zone circumferential length measured by the zone circumferential length measuring unit;
a correction time calculating unit that calculates a correction time for correcting a length of the high-speed rotation time, based on the normal rotation rate and high-speed rotation rate which are preset, and a difference between a measured value of the medium detection time measured by a result of the detection by the medium detecting member, and the predicted value of the medium detection time calculated by the predicted value calculating unit, the correction time offsetting a change of the medium reach timing corresponding to the difference by a change of the medium reach timing due to a speed difference between the normal rotation rate and the high-speed rotation rate, and the correction time; and
a deceleration start timing correcting unit that corrects the preset deceleration start timing, based on the correction time calculated by the correction time calculating unit.
11. The medium conveying apparatus according to claim 2, wherein
the medium conveying member has a driving roller that rotatingly drives, and a driven roller that is opposed to and contacted with the driving roller to be followingly driven, the rollers conveying the medium while nipping the medium,
the apparatus further comprises:
a displacement amount detecting member that detects a displacement amount of a rotation center of the driven roller; and
a zone radius measuring unit that measures zone radii corresponding to the rotation start positions of the driving roller, based on a rotation rate of the medium conveying member per unit time, and a result of detection by the displacement amount detecting member, and
a zone circumferential length measuring unit measures the zone circumferential lengths between adjacent ones of the rotation start positions, based on zone radii of adjacent rotation start positions.
12. The medium conveying apparatus according to claim 11, wherein
the apparatus further comprises:
a medium thickness measuring unit that measures a thickness of the medium, based on a result of detection by the displacement amount detecting member before conveyance of the medium, and a result of detection by the displacement amount detecting member during conveyance of the medium;
a double feed determining unit that determines whether the thickness of the medium measured by the medium thickness measuring unit exceeds a preset threshold or not, thereby determining whether a plurality of media are simultaneously conveyed or not; and
a double feed image displaying unit that, in case the double feed determining unit determines that a plurality of media are simultaneously conveyed, displays a double feed image notifying that a plurality of media are simultaneously conveyed.
13. The medium conveying apparatus according to claim 1, wherein
the apparatus further comprises:
a replacement timing determining unit that determines whether a difference between an average of zone circumferential lengths between adjacent ones of the rotation start positions in product shipment, and zone circumferential lengths between adjacent ones of the rotation start positions measured by the zone circumferential length measuring unit exceeds a preset threshold or not, thereby determining whether the time reaches a replacement timing when the medium conveying member is to be replaced because of wear of the medium conveying member or not; and
a replacement image displaying unit that, in case the replacement timing determining unit determines that the time reaches the replacement timing, displays a replacement image notifying that the time reaches the replacement timing.
14. The medium conveying apparatus according to claim 1, wherein
the apparatus further comprises:
a driving source that rotatingly drives the medium conveying member; and
a driving transmission system that transmits rotation driving of the driving source to the medium conveying member, and that causes the medium conveying member to make one rotation in accordance with preset integer operations of rotation driving of the driving source.
15. The medium conveying apparatus according to claim 1, wherein
the driving source rotatingly drives the medium conveying member, and changes a rotation rate of the medium conveying member in accordance with a number of rectangular waves of a rectangular signal, the rectangular waves being input during a unit time,
the medium conveying member controlling unit controls the input number of the rectangular waves per unit time to the driving source, thereby controlling rotation driving of the medium conveying member, and
the rotation start position detecting unit detects the rotation start positions on a basis of a total input number of the rectangular waves to the driving source.
16. An image forming apparatus comprising:
an image recording apparatus that records an image on a medium;
a fixing device that fixes the image on a surface of the medium; and
the medium conveying apparatus according to claim 1, the medium conveying apparatus conveying the medium.