JP2004163830A - Focus changeover structure of camera - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide the focus changeover structure of a camera by which area occupied by components related to a camera is made small and a camera part is arranged at a free position, and to provide a cellular phone with a camera. <P>SOLUTION: By rotating the projection 8-2 of a decorative ring 8 with a finger, rotation is transmitted to a lens rotating lever 6 by the arm 8-1 of the ring 8. The lever 6 moves a camera lens 5 up and down simultaneously with the rotation, so that the focus changeover for ordinary photography and close-up photography is performed. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a camera focus switching structure and a camera-equipped mobile phone provided with the focus switching structure.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, some camera-equipped mobile phones have a normal shooting mode and a close-up mode. Such a camera-equipped mobile phone will be described below with reference to FIGS.
[0003]
FIG. 12 shows a clamshell-type mobile phone in a folded state. Reference numeral 101 denotes a camera unit, 102 denotes a flash unit, and 103 denotes a liquid crystal display unit. FIG. 13 is a sectional view taken along line AA of FIG. 12, and FIG. 14 is a detailed view thereof.
[0004]
14, reference numeral 104 denotes a camera unit, 105 denotes a camera lens unit, 105-1 denotes a camera lens rotating unit, 106 denotes a lens rotating lever, 107 denotes an elastic member, 109 denotes a decorative transparent window, 110 denotes an upper cabinet, and 111 denotes a decorative panel. , 112 is a lower cabinet, 115 is a camera holder, and 116 is a lens switching button.
[0005]
The camera unit 104 and the lens rotation lever 106 are knurled and fitted to each other, have a substrate for signal transmission below the camera unit 104, and are positioned and fixed together with the camera holder 115 in the lower cabinet 112. Is done.
[0006]
The decorative transparent window 109 is sandwiched between the upper cabinet 110 and the decorative panel 111, and has an elastic member attached to the back surface thereof.
[0007]
Further, the lens switching button 116 is sandwiched between the upper cabinet 110 and the lower cabinet 112, and slidably couples the wall of the lower cabinet 112. Further, a part of the lens switching button 116 is exposed to the outside of the cabinet and serves as a switching button, while a part located inside has a U-shaped projection made of a functional component and sandwiches the lens rotation lever 106. The slide movement of the lens switching button 116 is transmitted.
[0008]
With such a configuration, the lens rotation lever 106 is rotated by operating the lens switching button 116, and furthermore, it is possible to rotate the camera lens 105 and simultaneously move it up and down, thereby switching the focal length of the camera lens 105. There was something like that.
[0009]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 2002-185843 [Patent Document 2]
Japanese Patent Application Laid-Open No. 2000-356731
[Problems to be solved by the invention]
However, in the case where the focal length of the camera is switched by sliding the lens switching button 116 as in the above-mentioned conventional camera-equipped mobile phone, the lens switching button 116 extends perpendicularly to the optical axis of the lens. Therefore, there is a problem that the area for closing the parts related to the camera is large and the size of the equipment is increased, and in order to reduce the size as much as possible, it is necessary to arrange the camera near the side of the cabinet, There is a problem in that the center of the camera unit 101 and the center of the liquid crystal display device 103 are separated from each other, and the viewpoint position is shifted when face-to-face photographing is performed while viewing the liquid crystal display device 103.
[0011]
The present invention has been made in view of these problems, and provides a camera focus switching structure and a camera-equipped mobile phone that can reduce the area for closing parts related to the camera and can arrange the camera unit at any position. It is the purpose.
[0012]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a macro feeding ring to which a lens is attached, and a holder having a screw groove to be screwed with a screw thread formed on the outer periphery of the macro feeding ring. A focus switching structure including a camera unit in which the lens moves up and down in the optical axis direction with rotation of the lens, and an operation ring having an opening centered on the optical axis of the lens above the macro payout ring And a transparent window that closes an opening of the operation ring, and an elastic member disposed between the transparent window and the macro feeding ring, while the operation ring is connected to the macro feeding ring, In this configuration, the macro feeding ring is rotated in accordance with a rotation operation of the operation ring.
[0013]
Further, according to the present invention, in addition to the above configuration, the operation ring is arranged between an upper cabinet of the housing and a panel attached above the upper cabinet.
[0014]
According to the present invention, in addition to the above configuration, a projection is formed on a sliding surface of the operation ring and the upper cabinet.
[0015]
According to the present invention, in addition to the above-described configuration, the operation ring has a protrusion on an upper surface.
[0016]
Further, according to the present invention, the first housing and the second housing are connected to each other so as to be openable and closable via a connecting portion, and an outer peripheral surface of the first housing includes a camera unit and the camera unit. A camera-equipped mobile phone comprising: a display section for displaying an image captured by the camera; wherein the camera section includes a macro extension ring to which a lens is attached, and a screw threadedly engaged with a thread formed on an outer periphery of the macro extension ring. A holder having a groove, an operation ring having an opening centered on the optical axis of the lens above the macro payout ring, a transparent window closing the opening of the operation ring, the transparent window and the macro An operating member connected to the macro feeding ring, and rotating the macro feeding ring in accordance with a rotation operation of the operating ring; And with the rotation of the ring is obtained by adapted to vertically move the lens in the optical axis direction.
[0017]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0018]
1 to 4 are external views showing the configuration of a camera-equipped mobile phone having a camera focus switching structure according to the present invention. FIG. 1 is a front perspective view showing a state in which the camera-equipped mobile phone is folded, and FIG. FIG. 3 is a front perspective view showing a state in which the mobile phone with a camera is opened, FIG. 3 is a rear perspective view showing a state in which the mobile phone with a camera is open, and FIG. 4 is a front view showing a state in which the mobile phone with a camera is folded. 5 is a cross-sectional view taken along line AA of FIG. 4, FIG. 6 is an enlarged view of FIG. 5, FIG. 7 is a side cross-sectional view showing a configuration of a camera unit used in a mobile phone with a camera, and FIG. FIG. 9 is a cross-sectional view taken along the line CC of FIG. 8, FIG. 10 is a rear perspective view showing a configuration of an upper cabinet used for a camera-equipped mobile phone, and FIG. It is an assembly block diagram.
[0019]
Hereinafter, a camera-equipped mobile phone having a camera focus switching structure according to the present invention will be described with reference to FIGS. In FIGS. 1 to 11, parts common to FIGS. 12 to 14 are denoted by common reference numerals, and description thereof will be omitted.
[0020]
6, reference numeral 4 denotes a camera unit, 4-1 denotes a flexible board for transmitting signals, 5 denotes a camera lens, 5-1 denotes a camera lens rotating unit, 6 denotes a lens rotating lever, 7 denotes an elastic member, 8 denotes a decorative ring, 8-1 is an arm, 8-2 is a protrusion, 9 is a decorative transparent window, 10 is an upper cabinet, 10-1 support rib, 11 is a decorative panel, and 12 is a lower cabinet.
[0021]
Reference numeral 8-2 denotes a projection for facilitating switching, and reference numeral 8-3 denotes a claw for generating a click feeling when switching, and the sliding portion has a round shape for smooth rotation. Has become. The claw 8-3 acts so as to generate a click feeling when reciprocating on the projection 10-2.
[0022]
The decorative ring 8 is sandwiched between the support rib 10-1 of the upper mold and the decorative panel 11, and is rotatably held by providing a clearance. A decorative transparent window 9 for transmitting light is attached to the center of the decorative ring 8 by bonding, and a projection 8-2 for facilitating rotation of the decorative ring 9 is provided on the external part.
[0023]
The elastic member 7 is formed in a cylindrical shape, and is adhered and fixed on the lens rotation lever 6 so as to surround the periphery of the camera lens 5, and serves to prevent sand and dust from entering the decorative transparent window 9. The elastic member 7 may be, for example, rubber or sponge.
[0024]
As shown in FIG. 7, the lens rotation lever 6 and the camera unit 4 are provided with a holder 21, a macro feeding ring 22, a lens 23, a charged coupled device (CCD) 24, and a digital signal processor (DSP). A digital signal processing arithmetic processing device) 25 and a substrate 26 are provided. The holder 21 is screwed with each other to mount the macro feeding ring 22, and when the macro feeding ring 22 is rotated, the holder 21 itself is moved up and down by the screw. Since the lens 23 is fixed inside the macro feeding ring 22, the lens 23 can be moved up and down by the rotation of the macro feeding ring 22. The CCD 24 and the substrate 26 are arranged inside the lower part of the holder 21, and the DSP is arranged outside the substrate 26. The light enters through a hole at the end of the macro payout ring 22 and is converted into an electric signal by a CCD through a lens, and high-speed data processing is performed by a DSP.
[0025]
When the projection 8-2 of the decoration ring 8 is rotated with a finger as described above, the arm 8-1 of the decoration ring 8 transmits the rotation to the lens rotation lever 6, and the lens rotation lever 6 The lens 5 is moved up and down simultaneously with the rotation, so that the focus is switched between normal shooting and close-up shooting.
[0026]
At the time of assembly, only the protrusion of the decorative ring 8 is passed under the hole of the cabinet 10 and inserted into the hole having the support rib 10-1 of the cabinet, and the thickness of the cabinet 10 is sandwiched by claws or the like. Attach and temporarily fix. Next, the decoration is bonded with a bar while sandwiching the rear liquid crystal window 3. Each part can be manufactured by molding. Therefore, the number of parts is small and the number of working steps is small as compared with the conventional apparatus, so that productivity can be improved.
[0027]
【The invention's effect】
As described above, according to the present invention, the area for closing parts related to the camera can be reduced, and the camera unit can be arranged at any position. Therefore, the size of the device can be reduced, and for example, By arranging the center of the camera unit and the center of the liquid crystal display device close to each other, it is possible to prevent the viewpoint position from being shifted so much when photographing a face-to-face person while looking at the liquid crystal display device.
[Brief description of the drawings]
FIG. 1 is a front perspective view showing a state in which a camera-equipped mobile phone of the present invention is folded.
FIG. 2 is a front perspective view showing a state in which the camera-equipped mobile phone is opened.
FIG. 3 is a rear perspective view showing the mobile phone with the camera opened.
FIG. 4 is a front view showing a state in which the camera-equipped mobile phone is folded.
FIG. 5 is a sectional view taken along line AA of FIG. 4;
FIG. 6 is an enlarged view of FIG. 5;
FIG. 7 is a side sectional view showing a configuration of a camera unit used in the camera-equipped mobile phone.
FIG. 8 is a three-sided view showing a configuration of a decoration ring used in the camera-equipped mobile phone.
FIG. 9 is a sectional view taken along the line CC in FIG. 8;
FIG. 10 is a rear perspective view showing a configuration of an upper cabinet used in the mobile phone with the camera.
FIG. 11 is an assembly configuration diagram of the camera-equipped mobile phone.
FIG. 12 is a front view showing a state where a camera-equipped mobile phone as a conventional example is folded.
FIG. 13 is a sectional view taken along line BB of FIG.
FIG. 14 is an enlarged view of FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Camera part 2 Strobe part 3 Rear liquid crystal display part 4 Camera unit 4-1 Flexible board 5 Camera lens 5-1 Camera lens rotation part 6 Lens rotation lever 7 Dustproof elastic member 8 Decoration ring 8-1 Decoration ring arm 8-2 Decoration Ring projection 8-3 Decorative ring claw 9 Decorative transparent window 10 Upper cabinet 10-1 Support rib 10-2 Projection 11 Decorative panel 12 Lower cabinet 21 Holder 22 Macro feeding ring 23 Lens 24 CCD
25 DSP
26 substrate

Claims (5)

The lens comprises a macro feeding ring to which a lens is attached, and a holder having a screw groove to be screwed with a screw thread formed on the outer periphery of the macro feeding ring. With the rotation of the macro feeding ring, the lens moves in the optical axis direction. A focus switching structure including a camera unit that moves up and down,
An operating ring having an opening centered on the optical axis of the lens above the macro payout ring;
A transparent window closing the opening of the operation ring,
While providing an elastic member disposed between the transparent window and the macro feeding ring,
A focus switching structure for a camera, wherein the operation ring is connected to the macro extension ring, and rotates the macro extension ring in accordance with a rotation operation of the operation ring. The focus switching structure for a camera according to claim 1, wherein the operation ring is disposed between an upper cabinet of the housing and a panel mounted above the upper cabinet. 3. The camera end point switching structure according to claim 2, wherein a protrusion is formed on the sliding surface of the operation ring and the upper cabinet. 2. The camera focus switching structure according to claim 1, wherein the operation ring has a projection on an upper surface. A first housing and a second housing are connected to each other via a connecting portion so as to be openable and closable, and a camera unit and an image captured by the camera unit are provided on an outer peripheral surface of the first housing. A camera-equipped mobile phone having a display unit for displaying.
The camera unit includes:
A macro extension ring to which a lens is attached,
A holder having a screw groove to be screwed with a screw thread formed on the outer periphery of the macro payout ring;
An operating ring having an opening centered on the optical axis of the lens above the macro payout ring;
A transparent window closing the opening of the operation ring,
While having an elastic member disposed between the transparent window and the macro feeding ring,
The operation ring is connected to the macro payout ring, rotates the macro payout ring with a rotation operation of the operation ring, and moves the lens up and down in the optical axis direction with the rotation of the macro payout ring. A mobile phone with a camera, characterized in that:

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