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Lens barrel, imaging device and information terminal

A technology for mirror frames and support frames, applied in image communication, installation, instruments, etc., can solve the problems of cost increase, inability to miniaturize, large space, etc., and achieve the effect of preventing cost increase

Inactive Publication Date: 2012-04-04
OLYMPUS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In either case, a large space is required and miniaturization is not possible
[0012] In addition, in the technique of Patent Document 2, when an external force acts, the external force is supported by the cam pin for preventing falling out, and there is a possibility that, for example, the cam pin for falling out may fall off or scratches may be generated on the cam groove.
[0013] In addition, since a separate cam pin for preventing dropout is required in addition to the cam pin, the number of parts increases and the cost increases.

Method used

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  • Lens barrel, imaging device and information terminal
  • Lens barrel, imaging device and information terminal
  • Lens barrel, imaging device and information terminal

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0038] Such as Figure 1 to Figure 4 As shown, the imaging device 100 has: a lens frame 1; an imaging element substrate 110 having an imaging element 111 that receives light emitted from the lens frame 1 and outputs an imaging signal; and a control unit 120 that controls at least Frame 1 controls the zoom lens. The imaging device 100 is installed in communication equipment such as a mobile phone, or other electronic equipment, for example.

[0039] The lens frame 1 has: a first zoom lens 2, a second zoom lens 3 (3a, 3b), a first zoom lens support frame 4, a second zoom lens support frame 5, and a first cam pin (an example of a first protrusion) 6. A second cam pin (an example of a second convex portion) 7, a cam plate member (an example of a moving part) 8, an imaging lens 9, a curved lens having a prism (an example of a curved optical element) 10a and an incident lens 10b An optical system 10 , a drive unit 11 , a gear train 12 constituting a power transmission unit, a fixe...

no. 2 approach

[0090] Figure 5 It is a front view showing a schematic configuration of the imaging device 200 according to the second embodiment of the present invention.

[0091] Figure 6 It is a cross-sectional view showing a schematic configuration inside the imaging device 200 .

[0092] Figure 7 yes Figure 6 Enlarged view of part A.

[0093] Such as Figure 5 and Figure 6 As shown, the imaging device 200 has: a mirror frame 201; an imaging element substrate 110 having an imaging element 111 that receives light emitted from the mirror frame 201 and outputs an imaging signal; and a control unit 120 that controls at least The zoom lens of the mirror frame 201 is controlled. The imaging device 200 is installed, for example, in an information terminal such as a mobile phone, or in other electronic equipment.

[0094] The lens frame 201 has a first zoom lens 2 and a second zoom lens 3 (3a, 3b) as an example of a plurality of zoom lenses, a first zoom lens support frame 4 and a se...

no. 3 approach

[0158] Figure 11A and Figure 11B It is a front view and a rear view showing the information terminal according to the third embodiment of the present invention.

[0159] Figure 12 It is a schematic block diagram showing a control structure of an information terminal as an example of the above-mentioned information terminal.

[0160] Such as Figure 11A and Figure 11B As shown, the information terminal 400 includes the above-mentioned imaging devices 100, 200, and a control unit 120 (refer to figure 2 , Figure 6 ), a display unit 401 , a speaker 402 , a microphone 403 and an illumination unit 404 . Examples of the information terminal 400 include, for example, a mobile phone with a camera or a tablet (tablet), but are not limited thereto.

[0161] The control unit 120 controls each part of the control units 100 , 200 such as the drive unit 11 for moving the first zoom lens 2 and the second zoom lens 3 of the lens frames 101 and 201 , and the imaging element 111 , f...

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PUM

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Abstract

The present invention provides a lens barrel capable of realizing miniaturization, an imaging device and an information terminal. The lens barrel includes : a first zoom lens; a second zoom lens; a first zoom lens supporting barrel that supports the first zoom lens; a second zoom lens supporting barrel that supports the second zoom lens; a moving member that moves the first zoom lens supporting barrel and the second zoom lens supporting barrel in an optical axis direction of the first and second zoom lens supporting barrels; a first projected section that is provided in one of the first zoom lens supporting barrel and the moving member to cross the optical axis direction and engages with a first groove section provided in the other; and a second projected section that is provided in one of the second zoom lens supporting barrel and the moving member to cross the optical axis direction and engages with a second groove section provided in the other.

Description

technical field [0001] The invention relates to a spectacle frame with a plurality of zoom lens support frames movable in the direction of the optical axis, and an imaging device with the spectacle frame. Background technique [0002] In recent years, imaging devices have been required to be smaller, lighter and more functional in order to be mounted on mobile phones and the like. As a technique for solving this problem, for example, Patent Document 1 discloses a technique related to an imaging device equipped with a compact zoom mechanism using a thinned curved optical system. [0003] In the technology disclosed in Patent Document 1, the zoom mechanism has a shaft-shaped cam member and a motor that rotates the cam member, wherein a cam portion for determining the position of the moving lens frame is formed on the outer peripheral surface of the cam member, and the cam member is arranged such that A portion is at least axially adjacent to a side of the reflective optical e...

Claims

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Application Information

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IPC IPC(8): G02B7/04H04N5/232
CPCG02B7/102G02B13/009G02B13/0065
Inventor 今川宏明奥野光彦
Owner OLYMPUS CORP
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