JP4350880B2 - Magnifying lens for mobile phone display - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display magnifying lens for portable telephones which makes characters on the screen easy to see and is convenient in handling or carrying. SOLUTION: A display magnifying lens 4 for a portable telephone 1 having an operating part 2 having operating buttons 2a and a display part 3 having a screen 3a for displaying characters, figures, etc., comprises a frame 5 removably attached to the display part 3 so as to surround this part 3, a lens body 6 for magnifying the display part 3 and a lens support means 7 which turnably couples a first and second hinge plates 10, 11 for supporting the lens body 6 movably between a shed position A for shedding the body 6 in the frame 5 and an operating position B for magnifying the display part 3.

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a display unit magnifying lens that makes it easy to see characters, figures, etc. by enlarging the display unit of a mobile phone.
[0002]
[Prior art]
In recent years, mobile phones have become more and more multifunctional, such as enabling transmission / reception of character information, while being lighter and lighter with a reduction in size and thickness.
[0003]
Such character information is displayed on a display unit composed of a liquid crystal screen. However, there is a limit to the size of the display screen as the size and thickness are reduced as described above, and thus characters may be difficult to read. From the viewpoint of making such characters easy to read, it is conceivable to attach a convex lens sheet to the surface of the display unit.
[0004]
[Problems to be solved by the invention]
However, when a convex lens sheet is pasted on the display unit, there is a problem that due to its structure, the enlargement ratio of characters is low, and an enlargement ratio sufficient to read characters cannot be obtained. Therefore, another convex lens is carried and viewed away from the display unit, which is inconvenient for handling and carrying.
[0005]
The present invention has been made in view of the above circumstances, and provides a display unit magnifying lens of a mobile phone that can ensure a sufficient magnification ratio of characters and make the characters easy to read, and is convenient for handling and carrying around. It is aimed.
[0006]
[Means for Solving the Problems]
The invention of claim 1 is a display unit magnifying lens of a cellular phone having an operation unit on which operation buttons are arranged and a display unit on which a screen for displaying characters, figures, etc. is arranged. A frame that is detachably arranged so as to surround, a lens body that expands the display unit, and a movable position that supports movement between a storage position that stores the lens body in the frame and a use position that expands the display unit Lens support means, and the lens support means is configured by rotatably connecting a first hinge plate pivotally supported by the frame and a second hinge plate pivotally supported by the lens body. The first and second hinge plates are provided with stopper portions for restricting the lens body to a use position .
[0007]
The invention of claim 2, Oite to claim 1, the frame is characterized in that it is fastened detachably on the mobile phone by a rubber band.
[0008]
The invention according to claim 3, Oite to claim 1, said frame, characterized in that it is fitted removably to the mobile phone by elastically deforming the pair of engaging pieces formed integrally with the frame It is said.
[0009]
According to a fourth aspect of the present invention, in any one of the first to third aspects, the lens main body is a flat Fresnel lens.
[0010]
[Effects of the invention]
According to the display unit magnifying lens of the first aspect of the invention, the frame is detachably disposed on the display unit of the mobile phone, and the storage position and the display unit in which the lens body is stored in the frame by the lens support means are enlarged. Since the lens body is pulled up to the use position when viewing the display unit, a sufficient enlargement ratio can be secured, and the characters can be easily read.
[0011]
Also, when storing, the lens body can be folded and stored in the frame, so it will not get in the way when you carry it. In addition, it is only necessary to move the lens body between the storage position and the use position, and it can be handled easily.
[0012]
In addition, since the lens support means is configured by rotatably connecting the first hinge plate pivotally supported by the frame and the second hinge plate pivotally supported by the lens body, the lens body can be configured with a simple structure. It can be supported so as to freely advance and retract between the storage position and the use position.
[0013]
Further , since the first and second hinges are provided with stopper portions that restrict the lens body to the use position, the lens body does not wobble or shift, and characters can be read more easily.
[0014]
In the invention of claim 2, since the frame is fastened to the mobile phone by the rubber band, the attaching / detaching operation can be easily performed.
[0015]
In the invention of claim 3, since the pair of engaging pieces integrally formed on the frame is elastically deformed and fitted to the mobile phone, the frame can be attached and detached with one touch.
[0016]
In the invention of claim 4 , since a flat Fresnel lens is used for the lens body, the appearance can be improved as compared with the case where a convex lens is used.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
[0018]
1 to 7 are views for explaining a display unit magnifying lens of a mobile phone according to an embodiment (first embodiment) of the inventions of claims 1, 2 , and 4. FIG. 1 is a display unit magnifying lens. 2 to 6 are a perspective view, a cross-sectional side view, a plan view and a side view of a display unit magnifying lens, respectively, and FIG. 6 is a perspective view showing a main part of the stopper unit.
[0019]
In the figure, reference numeral 1 denotes a general mobile phone, which includes an operation unit 2 in which a large number of operation buttons 2a are arranged in the lower half, and a liquid crystal screen 3a that displays characters, figures and the like in the upper half. The display unit 3 is provided. The display unit 3 is provided with a display unit magnifying lens 4 that characterizes the present embodiment.
[0020]
The display unit magnifying lens 4 includes a rectangular frame 5 that is detachably disposed so as to surround the outer periphery of the liquid crystal screen 3a, a lens body 6 that magnifies the liquid crystal screen 3a, and the lens body 6 Is provided between the storage position A for storing the image in the frame 5 and the use position B for enlarging characters and the like displayed on the liquid crystal screen 3a.
[0021]
The lens body 6 is formed by attaching a Fresnel lens 6b having an enlargement ratio of 3 to 5 times to a lens frame 6a formed in a rectangular frame shape, and the Fresnel lens 6b is generally formed so that a large number of lens bodies are concentric. It is formed in a saw blade shape. The frame 5 and the lens body 6 are made of a transparent acrylic resin.
[0022]
The frame 5 is integrally formed with leg portions 5a and 5a that are in contact with the left and right sides of the mobile phone 1, and a rubber band 8 is fixed to each leg portion 5a by screws 9. The frame 5 is detachably fastened to the mobile phone 1 by the rubber band 8.
[0023]
The lens support means 7 is pivotally supported on the left and right first hinge plates 10 and 10 pivotally supported on the left and right edges of the frame 5 and the left and right edges of the lens frame 6a. The left and right second hinge plates 11 are rotatably connected to each other, and each of the first and second hinge plates 10 and 11 is made of a transparent acrylic resin as described above.
[0024]
A cylindrical hinge portion 10 a is integrally formed at the lower edge of each first hinge plate 10, and the hinge portion 10 a is rotatably supported on the frame 5 by hinge pins 12 and 12. A cylindrical hinge portion 11a is integrally formed on the upper edge of each second hinge plate 11, and each hinge portion 11 is rotatably connected to the lens frame 6a by a hinge pin 13.
[0025]
Further, an upper hinge portion 10b is integrally formed at the center of the upper edge of each first hinge plate 10, and the lower hinge both ends of each second hinge plate 11 are coaxial with the upper hinge portion 10b. The lower hinge portions 11b and 11b are integrally formed. In addition, the lower hinge portions 10b and 11b are rotatably supported by a hinge pin 14. As a result, the first and second hinge plates 19 and 11 are stored in the frame 5 when folded to the storage position A.
[0026]
The first and second hinge plates 10 and 11 are provided with stopper portions 15 for restricting both of them to the storage position A and the use position B so as not to rotate. The stopper portion 15 includes a convex portion 16 having a cross shape formed on both end surfaces of the upper hinge portion 10b of the first hinge plate 10 and a cross shape formed on the inner end surface of the lower hinge portion 11b of the second hinge 11 and below. The concave portion 17 has a shape, and the convex portion 16 and the concave portion 17 are fitted to each other so as to be restricted to the storage position A and the use position B.
[0027]
Next, the effect of this embodiment is demonstrated.
[0028]
In order to attach the display unit magnifying lens 4 to the mobile phone 1, the rubber band 8 is wound around the mobile phone 1 and the frame 5 is disposed on the upper surface of the liquid crystal screen 3 a of the display unit 3. When the display unit magnifying lens 4 is used, the lens body 6 is pulled up until the convex portions 16 and the concave portions 17 of the first and second hinge plates 10 and 11 are fitted. Accordingly, the lens body 6 is held at the use position B. In this state, characters and the like displayed on the liquid crystal screen 3a are read through the Fresnel lens 6b.
[0029]
Further, when storing, the first and second hinge plates 10 and 11 are slightly pushed inward to release the fitting between the convex portions 16 and the concave portions 17, and the first and second hinge plates 10 and 11 are folded to fold the lens body 6. Is stored in the frame 5. Then, the convex portion 16 and the concave portion 17 of the first and second hinge plates 10 and 11 are fitted, and the lens body 6 is held at the storage position A so as not to protrude.
[0030]
Thus, according to the present embodiment, the frame 5 is detachably fastened to the display unit 3 of the mobile phone 1 by the rubber band 8, and the lens body 6 is attached to the frame 5 with the first and second hinge plates 10, 11. The lens support means 7 that is pivotably connected is supported so as to be able to advance and retreat between the storage position A and the use position B. Therefore, when the liquid crystal screen 3a is viewed, the lens body 6 is pulled up to the use position B. The characters displayed on the liquid crystal screen 3a can be easily read.
[0031]
Further, when storing, the lens body 6 can be stored in the frame 5 by folding, so that it does not interfere with carrying. Furthermore, the lens body 6 can be handled easily by simply moving the lens body 6 back and forth between the storage position A and the use position B.
[0032]
Further, since the first and second hinge plates 10 and 11 are provided with the stopper portions 15 for restricting the lens body 6 to the storage position A and the use position B, the lens body 6 is wobbled or displaced when reading characters. Therefore, a stable posture can be maintained, characters can be read more easily, and the lens body 6 can be prevented from coming off during storage.
[0033]
In the above embodiment, the lens support means 7 is of a link mechanism in which the first and second hinge plates 10 and 11 are rotatably connected, and the frame 5 is fastened to the mobile phone 1 by the rubber band 8. However, the lens support means of the present invention is not limited to this.
[0034]
8 and 9 are views for explaining a display unit magnifying lens according to an embodiment (second embodiment) of the invention of claim 3 . In the figure, the same reference numerals as those in FIG. 1 denote the same or corresponding parts, and the description of the overlapping parts is omitted.
[0035]
In the display portion magnifying lens 20 of the present embodiment, the frame 21 and the lens body 6 are connected to each other by an elliptical bellows 22 so that the frame 21 and the lens body 6 can be expanded and contracted, and engagement pieces 21 a and 21 a are integrally formed on the left and right edges of the frame 21. In this example, each engagement piece 21a is elastically deformed and fitted to both side surfaces of the mobile phone 1.
[0036]
In this embodiment, since the lens support means is connected to the frame 21 and the lens body 6 by the bellows 22 so as to be extendable and contractable, the height position of the lens body 6 can be easily adjusted, and reading is further facilitated. be able to.
[0037]
Further, since the left and right engaging pieces 21a formed integrally with the frame 21 are elastically deformed and fitted to the mobile phone 1, the frame 21 can be attached and detached with a single touch, and the handling property can be further improved.
[0038]
FIG. 10 is a view for explaining a display unit magnifying lens according to an embodiment (third embodiment) of the invention of claim 3 .
[0039]
In the display unit magnifying lens 30 of the present embodiment, the lens support means is supported on the lower edge 31a of the frame 31 so that the lower edge of the lens body 6 can be rotated via a hinge pin 32. it is an example of clamping by fitting the side surface of a mobile phone 1 with the engaging piece 31 b is elastically deformed.
[0040]
In the present embodiment, the lens body 6 can be simply operated by simply rotating the lens body 6 between the storage position A and the use position B, and the frame 31 and the lens body 6 can be simply connected by the hinge pin 32. The entire display unit magnifying lens can be made compact. Further, since the engaging piece 31a of the frame 31 is elastically deformed and fitted to the mobile phone 1, the attaching / detaching operation of the frame 31 can be performed with one touch, and the handleability can be improved.
[0041]
Although not included in the present invention , as shown by a two-dot chain line in FIG. 10, the lens body 6 is connected to the lower edge portion 31a of the frame 31 by the link mechanism 35, and the lens body 6 is displayed at the use position. It is also possible to configure the screen so as to be substantially parallel to the screen, and in this case, the screen becomes easier to see.
[Brief description of the drawings]
FIG. 1 is a perspective view of a cellular phone equipped with a display unit magnifying lens according to a first embodiment of the first, second, and fourth aspects of the present invention;
FIG. 2 is a perspective view of the display unit magnifying lens.
FIG. 3 is a perspective view illustrating a usage state of the display unit magnifying lens.
FIG. 4 is a cross-sectional side view of the display unit magnifying lens.
FIG. 5 is a plan view of the display unit magnifying lens.
FIG. 6 is a side view of the display unit magnifying lens.
FIG. 7 is a perspective view showing a main part of the stopper portion of the first embodiment.
FIG. 8 is a perspective view of a mobile phone equipped with a display unit magnifying lens according to a second embodiment of the invention of claim 3 ;
FIG. 9 is a diagram showing a mounted state of the display unit magnifying lens.
FIG. 10 is a schematic view showing a display unit magnifying lens according to a third embodiment of the invention of claim 3 ;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Cellular phone 2 Operation part 2a Operation button 3 Display part 3a Liquid crystal screen 4, 20, 30 Display part Magnification lens 5, 21, 31 Frame 6 Lens main body 6b Fresnel lens 7 Lens support means 10, 11 First, second hinge plate 15 stopper portion 21a, 31 b engaging piece A storage position B use position

Claims (4)

In a display unit magnifying lens of a mobile phone having an operation unit in which operation buttons are arranged and a display unit in which a screen for displaying characters, figures, etc. is arranged,
A frame that is detachably disposed on the display unit so as to surround the display unit, a lens body that expands the display unit, a storage position that stores the lens body in the frame, and a use position that expands the display unit Lens support means for movably supporting between, and
The lens support means is configured by rotatably connecting a first hinge plate pivotally supported by the frame and a second hinge plate pivotally supported by the lens body,
A display unit magnifying lens for a mobile phone, wherein the first and second hinge plates are provided with stopper portions for restricting the lens body to a use position . Oite to claim 1,
The display unit magnifying lens of the mobile phone, wherein the frame is detachably fastened to the mobile phone by a rubber band. Oite to claim 1,
The display frame magnifying lens of a mobile phone, wherein the frame is detachably fitted to the mobile phone by elastically deforming a pair of engaging pieces integrally formed with the frame. In any one of Claims 1 thru | or 3 ,
A display unit magnifying lens of a mobile phone, wherein the lens body is a flat Fresnel lens.

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