KR20100124514A - Optical pointing apparatus - Google Patents
Optical pointing apparatus Download PDFInfo
- Publication number
- KR20100124514A KR20100124514A KR1020090043565A KR20090043565A KR20100124514A KR 20100124514 A KR20100124514 A KR 20100124514A KR 1020090043565 A KR1020090043565 A KR 1020090043565A KR 20090043565 A KR20090043565 A KR 20090043565A KR 20100124514 A KR20100124514 A KR 20100124514A
- Authority
- KR
- South Korea
- Prior art keywords
- lens
- light
- optical pointing
- cover
- reflecting member
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
An optical pointing device is disclosed. Since the optical pointing device has a hemispherical surface, the first reflective member, the second reflective member, the diaphragm, and the lens may be formed by using one mold. Therefore, the cost is reduced.
Description
The present invention relates to an optical pointing device.
The portable terminal is provided with a keypad composed of a plurality of buttons for inputting letters and numbers, and a user inputs and outputs various information by operating a button of the keypad.
However, as wireless Internet services such as WIBRO (Wireless Broadband) services are commercially available these days, an operating system supporting a Graphical User Interface (GUI) is also used in portable terminals. As the operating system of the GUI is used as the user interface in the portable terminal, an optical pointing device suitable for the portable terminal is adopted and used in the portable terminal.
The optical pointing device collects the light of the light source in the condenser, and simultaneously captures and transmits the light refracted by the condenser to the controller.
1 is a perspective view illustrating main parts of a conventional optical pointing device.
As shown, the
The
Therefore, the
The present invention has been made to solve the above problems of the prior art, an object of the present invention is to provide an optical pointing device that can reduce the cost.
The optical pointing device according to the present invention for achieving the above object, the cover through which light is transmitted; A light source installed inside the cover and irradiating light toward a subject in contact with the cover; A first reflecting member reflecting light reflected from the subject, a lens converging and emitting light reflected from the first reflecting member, a second reflecting member reflecting light emitted from the lens, the lens and the second A light collecting unit having an aperture disposed between the reflective members and installed inside the cover; An image sensor which receives and captures light transmitted from the condenser;
The lens has a hemispherical surface.
In the optical pointing device according to the present invention, since the lens has a hemispherical surface, the first reflecting member, the second reflecting member, the iris, and the lens of the light collecting part can be molded by one mold. Therefore, the cost is reduced.
Hereinafter, an optical pointing device according to embodiments of the present invention will be described in detail with reference to the accompanying drawings.
2 is a cross-sectional view of the optical pointing device according to an embodiment of the present invention, Figure 3 is a perspective view of the lens shown in FIG.
As illustrated, the optical pointing device according to the present embodiment has a
The
The
The
The first reflecting
The second reflecting
Since light is refracted by the
The
PCB 150 is coupled to the lower surface of the
The operation of the optical pointing device according to the present embodiment configured as described above will be described.
When a subject such as a finger touches the
Then, the
Then, the controller displays the information corresponding to the displacement value according to the movement of the subject in the form of a pointer, a cursor, or a bar on the display of the product.
That is, the optical pointing device tracks the movement of the subject, so that the control unit displays information according to the movement of the subject on the display of the product.
Since the first and second reflecting
In the optical pointing device according to the present embodiment, the
The
4 is a perspective view of a lens according to another exemplary embodiment of the present invention, and only a difference from FIG. 3 will be described.
As shown, the
FIG. 5 is a cross-sectional view of an optical pointing device according to another embodiment of the present invention, and only a difference from FIG. 2 will be described.
As illustrated, inclined first and second
When the second reflecting
While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Of course.
1 is a perspective view of main parts of a conventional optical pointing device.
2 is a cross-sectional view of the optical pointing device according to an embodiment of the present invention.
3 is a perspective view of the lens shown in FIG.
4 is a perspective view of a lens according to another embodiment of the present invention.
5 is a cross-sectional view of an optical pointing device according to another embodiment of the present invention.
Explanation of symbols on the main parts of the drawings
110: cover 120: light source
130: light collecting unit 140: image sensor
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090043565A KR20100124514A (en) | 2009-05-19 | 2009-05-19 | Optical pointing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090043565A KR20100124514A (en) | 2009-05-19 | 2009-05-19 | Optical pointing apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20100124514A true KR20100124514A (en) | 2010-11-29 |
Family
ID=43408707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020090043565A KR20100124514A (en) | 2009-05-19 | 2009-05-19 | Optical pointing apparatus |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20100124514A (en) |
-
2009
- 2009-05-19 KR KR1020090043565A patent/KR20100124514A/en not_active Application Discontinuation
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Date | Code | Title | Description |
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A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |