1. A light amount adjusting device comprising:
a support plate comprising a first through hole through which light passes;
a first slider that comprises a second through hole corresponding to the first through hole, and linearly moves with respect to the support plate along a first direction;
a first driver for generating a driving force for moving the first slider with respect to the supporting plate; and
a light amount adjuster installed on the first slider and for adjusting an amount of light passing through the light amount adjuster.
2. The light amount adjusting device of claim 1, further comprising a stopper that is installed on any one of the first slider and the support plate in order to restrict movement of the first slider in the first direction.
3. The light amount adjusting device of claim 1, wherein the first slider is coupled to the support plate to slide with respect to the support plate through a linear guide extending in the first direction interposed between the first slider and the support plate.
4. The light amount adjusting device of claim 3, wherein the linear guide comprises a rail disposed on one of the support plate and the first slider to extend in the first direction, and a sliding block disposed on the other one of the support plate and the first slider to slide along the rail.
5. The light amount adjusting device of claim 1, further comprising a detector for detecting a relative position of the first slider with respect to the support plate.
6. The light amount adjusting device of claim 1, wherein the first driver comprises an ultrasonic motor for converting ultrasonic vibrations into linear movement of the first slider.
7. The light amount adjusting device of claim 1, wherein the first driver comprises a first coil disposed on one of the support plate and the first slider, and a first magnet portion disposed on the other one of the support plate and the first slider to correspond to the first coil.
8. The light amount adjusting device of claim 1, wherein a second slider is interposed between the light amount adjuster and the first slider so that the light amount adjuster linearly moves along a second direction crossing the first direction, and
wherein the light amount adjuster further comprises a second driver for generating a driving force for moving the second slider.
9. The light amount adjusting device of claim 8, further comprising a stopper installed on any one of the first slider and the second slider to restrict movement of the second slider in the second direction.
10. The light amount adjusting device of claim 8, wherein the second slider is coupled to the first slider through a linear guide comprising a rail that is disposed on one of the first slider and the second slider to extend in the second direction, and a sliding block disposed on the other one of the first slider and the second slider to slide along the rail.
11. The light amount adjusting device of claim 8, further comprising a detector for detecting a relative position of the second slider with respect to the first slider.
12. The light amount adjusting device of claim 8, wherein the second driver comprises an ultrasonic motor for converting ultrasonic vibrations into linear movement of the second slider.
13. The light amount adjusting device of claim 1, wherein the light amount adjuster is coupled to the first slider to linearly move in a second direction crossing the first direction,
wherein the first driver comprises a first coil disposed on one of the support plate and the light amount adjuster, and a first magnet portion that is disposed on the other one of the support plate and the light amount adjuster to correspond to the first coil, and
wherein the light amount adjusting device further comprises a second driver comprising a second coil that is disposed on one of the support plate and the light amount adjuster, and a second magnet portion disposed on the other one of the support plate and the light amount adjuster, and generates a driving force for moving the light adjuster to the second direction with respect to the first slider.
14. A photographing apparatus comprising:
a plurality of lenses disposed along an optical axis;
a light amount adjuster disposed on a predetermined position between the plurality of lenses to linearly move along at least one direction crossing the optical axis and for adjusting an amount of light passing through the light amount adjuster;
an imaging device for converting light passed the plurality of lenses and the light amount adjuster into an electrical signal;
a first driver for generating a driving force for moving the light amount adjuster along the at least one direction; and
a controller for controlling the imaging device and the first driver to perform a photographing operation, and for selecting and performing any one of a two-dimensional (2D) photographing mode in which the photographing operation is performed when the light amount adjuster moves to a central position that matches the optical axis, and a three-dimensional (3D) photographing mode in which a first image is captured by moving the light amount adjuster to a first position in which the light amount adjuster is offset from the optical axis towards one side, and a second image is captured by moving the light amount adjuster to a second position in which the light amount adjuster is offset from the optical axis towards the other side.
15. The photographing apparatus of claim 14, further comprising:
a support plate comprising a first through hole through which light passes; and
a first slider that comprises a second through hole corresponding to the first through hole, supports the light amount adjuster, and is coupled to the support plate to linearly move along a first direction,
wherein the first driver linearly moves the first slider with respect to the support plate.
16. The photographing apparatus of claim 14, wherein the first slider is coupled to the support plate to slide on the support plate through a linear guide extending in the first direction.
17. The photographing apparatus of claim 16, further comprising a stopper that is installed on any one of the first slider and the support plate in order to restrict movement of the first slider.
18. The photographing apparatus of claim 15, wherein the light amount adjuster is coupled to the first slider to linearly move in a second direction crossing the first direction through a second slider, and
wherein the light amount adjuster further comprises a second driver for generating a driving force for moving the second slider.
19. The photographing apparatus of claim 18, further comprising a direction detector for detecting a rotational direction of the photographing apparatus,
wherein, during the 3D photographing mode, when the direction detector recognizes that the photographing apparatus is positioned in parallel to the ground, the controller controls the first driver to move the first slider, and when the direction detector recognizes that the photographing apparatus is positioned perpendicular to the ground, the controller controls the second driver to move the second slider.
20. A photographing method using a plurality of lenses disposed along an optical axis; a light amount adjuster disposed on a predetermined position between the plurality of lenses and for adjusting an amount of light, and an imaging device for converting light passing the plurality of lenses and the light amount adjuster into an electrical signal, the photographing method comprising:
linearly moving the light amount adjuster along at least one direction crossing the optical axis; and
selecting and performing any one of a two-dimensional (2D) photographing mode in which the photographing operation is performed when the light amount adjuster moves to a central position that matches the optical axis, and a three-dimensional (3D) photographing mode in which a first image is captured by moving the light amount adjuster to a first position in which the light amount adjuster is offset from the optical axis towards one side, and a second image is captured by moving the light amount adjuster to a second position in which the light amount adjuster is offset from the optical axis towards the other side.
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 fin composed of a plate material having a non-degreased, non-surface roughened surface at least partially coated with a rolling oil and having a plate shape, comprising:
a fin unit having the non-degreased, non-surface roughened surface at least partially coated with the rolling oil; and
a coating film that is formed on the non-degreased, non-surface roughened surface of the fin unit that is at least partially coated with the rolling oil, the coating film including a corrosion resistant coating applied to the non-degreased, non-surface roughened surface of the fin unit that is at least partially coated with the rolling oil and a hydrophilic coating applied to the corrosion resistant coating;
wherein in response to infrared spectrum measurement the coating film exhibits a peak in the infrared spectrum corresponding to the primary constituent of the rolling oil, and concave and convex portions on the surfaces of the coating film are in a range between 2 and 5 micrometers in the plate thickness direction.
2. The fin set forth in claim 1, wherein 10 mg or less of the rolling oil is included per 1 m2 of the surface of the fin unit.
3. The fin set forth in claim 1, wherein the peak in the infrared spectrum exhibited by the coating film is in a range between 1500 cm\u22121 and 2000 cm\u22121.
4. The fin set forth in claim 2 is configured and arranged for radiating heat from a heat exchanger.
5. The fin set forth in claim 2, wherein the plate material is made from pure aluminum.
6. The fin set forth in claim 1 for radiating heat is configured and arranged for radiating heat from a heat exchanger.
7. The fin set forth in claim 1, wherein the plate material is made from pure aluminum.
8. The fin set forth in claim 7, wherein an epoxy resin is employed as the corrosion resistant coating.
9. The fin set forth in claim 8, wherein an acrylic resin coating is employed as the hydrophilic coating.
10. The fin set forth in claim 7, wherein an acrylic resin coating is employed as the hydrophilic coating.
11. The fin set forth in claim 1, wherein an epoxy resin is employed as the corrosion resistant coating.
12. The fin set forth in claim 11, wherein an acrylic resin coating is employed as the hydrophilic coating.
13. The fin set forth in claim 1, wherein an acrylic resin coating is employed as the hydrophilic coating.