JPH03119813U - - Google Patents
Info
- Publication number
- JPH03119813U JPH03119813U JP2810690U JP2810690U JPH03119813U JP H03119813 U JPH03119813 U JP H03119813U JP 2810690 U JP2810690 U JP 2810690U JP 2810690 U JP2810690 U JP 2810690U JP H03119813 U JPH03119813 U JP H03119813U
- Authority
- JP
- Japan
- Prior art keywords
- displacement
- transmission mechanism
- lens
- view
- displacement transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Lens Barrels (AREA)
Description
第１図は、本考案の第１実施例を示すカメラの
ズーミング機構の要部斜視図、第２図は、上記第
１図のズーミング機構の動作原理を説明する図、
第３図は、上記第２図のＤ矢視図、第４図は、上
記第１図のズーミング機構の要部平面図、第５図
は、上記第４図のＨ−Ｈ断面図、第６図Ａ，Ｂは
、それぞれ上記第１図の第１実施例のズーミング
機構の変形例を示すＶＣ間隔カムの平面図および
側面図、第７図Ａ，Ｂは、それぞれ上記第１図の
第１実施例のズーミング機構の別の変形例を示す
ＶＣ間隔カムの平面図および側面図、第８図は、
本考案の第２実施例を示すカメラのズーミング機
構の要部断面図、第９図は、上記第８図のＪ−Ｊ
断面図、第１０図は、本考案の第３実施例を示す
カメラのズーミング機構の要部断面図、第１１図
は、上記第１０図のズーミング機構のワイド時の
作動状態を示す図、第１２図は、上記第１０図の
ズーミング機構のテレ時の作動状態を示す図、第
１３図は、本考案の第４実施例を示すカメラのズ
ーミング機構の要部断面図、第１４図は、上記第
１３図のＭ−Ｍ断面図、第１５図は、上記第１３
図の第４実施例のズーミング機構の変形例を示す
スライダ付勢機構の平面図、第１６図Ａ，Ｂは、
それぞれ従来例を示すズーミング機構のカム板の
作動状態を示す平面図である。
１３，４４……駆動モータ（駆動力発生手段）
、［８，４０，７４，７８，１０３……スライダ
、１２，４３，１０６……駆動ピニオン、１４，
４５……出力ギヤー、１５，１６，１７，４６，
４７，４８……ギヤー例］（第１の変位伝達メカ
ニズム）、［９，４１，６３，７３，１０８，１
１９，１２９……ＶＣ間隔カム（変位変換要素）
、９ａ，４１ａ，７３ａ，１０８ａ……ピニオン
、１１，４２，１０９……固定ラツク、７５，７
８……ラツク］（第２の変位伝達メカニズム）。
FIG. 1 is a perspective view of essential parts of a zooming mechanism of a camera showing a first embodiment of the present invention, and FIG. 2 is a diagram illustrating the operating principle of the zooming mechanism shown in FIG. 1.
3 is a view taken along arrow D in FIG. 2, FIG. 4 is a plan view of the main parts of the zooming mechanism shown in FIG. 1, and FIG. 6A and 6B are a plan view and a side view of a VC interval cam showing a modification of the zooming mechanism of the first embodiment shown in FIG. FIG. 8 is a plan view and a side view of a VC interval cam showing another modification of the zooming mechanism of the first embodiment.
FIG. 9 is a cross-sectional view of a main part of a zooming mechanism of a camera showing a second embodiment of the present invention.
10 is a sectional view of a main part of a zooming mechanism of a camera showing a third embodiment of the present invention; FIG. 11 is a view showing the operating state of the zooming mechanism shown in FIG. FIG. 12 is a diagram showing the operating state of the zooming mechanism shown in FIG. 10 during telephoto mode, FIG. 13 is a cross-sectional view of a main part of the zooming mechanism of a camera showing the fourth embodiment of the present invention, and FIG. The MM cross-sectional view of FIG. 13 above, and FIG.
FIGS. 16A and 16B are plan views of the slider biasing mechanism showing a modification of the zooming mechanism of the fourth embodiment shown in the figure.
FIG. 7 is a plan view showing the operating state of a cam plate of a zooming mechanism, each of which is a conventional example. 13, 44... Drive motor (driving force generating means)
, [8, 40, 74, 78, 103...slider, 12, 43, 106... drive pinion, 14,
45...Output gear, 15, 16, 17, 46,
47, 48...Gear example] (first displacement transmission mechanism), [9, 41, 63, 73, 108, 1
19,129...VC interval cam (displacement conversion element)
, 9a, 41a, 73a, 108a... Pinion, 11, 42, 109... Fixed rack, 75, 7
8...Rack] (second displacement transmission mechanism).
Claims (1)
第１の変位変換特性をもつて当該変倍系のレンズ
または補正系のレンズのうちの一方に伝達するた
めの第１の変位伝達メカニズムと、 上記第１の変位伝達メカニズムにより上記変倍
系のレンズまたは補正系のレンズのうちの一方に
与えられる変位を実質的に非線型の第２の変位変
換特性をもつて上記変倍系のレンズまたは補正系
のレンズのうちの他方に伝達するための第２の変
位伝達メカニズムと、 を具備してなることを特徴とするカメラ。 (2) 上記第２の変位伝達メカニズムは上記第１
の変位伝達メカニズムにおける所定の要素が上記
第１の変位変換特性に従つて変位するときに該変
位に伴つて上記第２の変位変換特性を有する変位
変換要素が運動するように構成されてなるもので
あることを特徴とする請求項(1)記載のカメラ。[Claims for Utility Model Registration] (1) Driving force generating means, and converting the output displacement of the driving force generating means into a lens or correction system of the variable magnification system with a substantially linear first displacement conversion characteristic. a first displacement transmission mechanism for transmitting the displacement to one of the lenses; and a first displacement transmission mechanism for transmitting the displacement to one of the lenses of the variable power system or the lens of the correction system. A second displacement transmission mechanism for transmitting linear second displacement conversion characteristics to the other of the variable power system lens or the correction system lens. . (2) The second displacement transmission mechanism is the same as the first displacement transmission mechanism.
A displacement transmission mechanism configured such that when a predetermined element in the displacement transmission mechanism is displaced in accordance with the first displacement conversion characteristic, a displacement conversion element having the second displacement conversion characteristic moves in accordance with the displacement. The camera according to claim (1), characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990028106U JP2584676Y2 (en) | 1990-03-19 | 1990-03-19 | camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990028106U JP2584676Y2 (en) | 1990-03-19 | 1990-03-19 | camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03119813U true JPH03119813U (en) | 1991-12-10 |
| JP2584676Y2 JP2584676Y2 (en) | 1998-11-05 |
Family
ID=31530926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990028106U Expired - Lifetime JP2584676Y2 (en) | 1990-03-19 | 1990-03-19 | camera |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2584676Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101299251B1 (en) * | 2008-10-21 | 2013-08-22 | 삼성테크윈 주식회사 | Device for transferring lens |
| CN115097590A (en) * | 2022-05-30 | 2022-09-23 | 昆明北方红外技术股份有限公司 | Zooming guide driving mechanism of infrared optical system and control method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63306410A (en) * | 1987-06-08 | 1988-12-14 | Olympus Optical Co Ltd | Zoom mechanism of zoom lens |
-
1990
- 1990-03-19 JP JP1990028106U patent/JP2584676Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63306410A (en) * | 1987-06-08 | 1988-12-14 | Olympus Optical Co Ltd | Zoom mechanism of zoom lens |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101299251B1 (en) * | 2008-10-21 | 2013-08-22 | 삼성테크윈 주식회사 | Device for transferring lens |
| CN115097590A (en) * | 2022-05-30 | 2022-09-23 | 昆明北方红外技术股份有限公司 | Zooming guide driving mechanism of infrared optical system and control method |
| CN115097590B (en) * | 2022-05-30 | 2024-02-02 | 昆明北方红外技术股份有限公司 | Infrared optical system zooming guide driving mechanism and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2584676Y2 (en) | 1998-11-05 |
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