JPS5848902A - Control device - Google Patents
Control deviceInfo
- Publication number
- JPS5848902A JPS5848902A JP14861581A JP14861581A JPS5848902A JP S5848902 A JPS5848902 A JP S5848902A JP 14861581 A JP14861581 A JP 14861581A JP 14861581 A JP14861581 A JP 14861581A JP S5848902 A JPS5848902 A JP S5848902A
- Authority
- JP
- Japan
- Prior art keywords
- control device
- present
- signal
- control
- lens
- 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.)
- Pending
Links
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Adjustable Resistors (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 得る為の装置に関するものである。[Detailed description of the invention] It relates to a device for obtaining.
従来、例えばレンズのズーム作動信号はタコジェネレー
タによる発電々圧あるいはポテンショメータによるレー
ト信号によって行われていた。特に小型＠菫化を図りつ
つ信号を得るためには、ポテンショメータのレート信号
による場合が多かったが、ポテンショメータの場合電気
接点が機械的に摺動することが不可避であり、寿命，信
頼性に難がある。又、密閉することも難しく、雨中での
使用等に急動等が出やすいという欠点が有った。Conventionally, for example, a zoom operation signal for a lens has been generated using a generated pressure generated by a tacho generator or a rate signal generated by a potentiometer. In particular, in order to obtain a signal while achieving a smaller size, the rate signal of a potentiometer was often used, but in the case of a potentiometer, it is unavoidable that the electrical contacts slide mechanically, which makes life and reliability difficult. There is. Furthermore, it was difficult to seal tightly, and there was a drawback that sudden movements were likely to occur when used in the rain.
本発明は上述の如き従来技術の諸欠点を解消した制御装
置を提供するーを目的とするもので、６欽一の押ボタン
又はシーノータイプのボタンにより１つの圧゛龜箪羨手
段に対する圧力分布又は対応する法数の圧ｌｋ変候手股
に２」する圧力バランスな人に風化させる事により方向
性と皺を含んだ制御信号を杉敗し得る株にしたもので、
これにより模り」ロトなので、山中での使用に耐え得る
様になるという特値を廟する。It is an object of the present invention to provide a control device that eliminates the various drawbacks of the prior art as described above. Or, by weathering the pressure balance of the corresponding modulus of pressure lk to the palm of the hand, the control signal containing directionality and wrinkles can be made into a stock that can be defeated.
This gives it the special advantage of making it durable for use in the mountains.
第１凶は本発明の制御装眞一実施例の断面模式図で、図
中１は指示レバーで軸６を中心に回動ｎ」鹸Ｖｃ構成さ
れている。２は支点６により支持される仏はねてその両
癩の下面にはストレインゲージ４、４′か大々ｌ１！！
１層されている。この悼に構成されくいるのでレバー１
の端部を図中矢印の如（下方に押圧する事によってスト
レインゲージ４又は４′の抵抗（ｉｌはたわみ菫に応じ
て髪化し、この抵抗値貧化は差＃ＩＪＪ壇中姦５を介し
て方向性のある制御偵吟５ａとして出力される。これに
よりズームレンズモータを駆動する場合には例えばＷ＠
の矢印方向の抑圧によりワイド＠にレンズが駆動されＴ
＠の押圧によりテレ側にレンズが駆動される。The first figure is a schematic cross-sectional view of an embodiment of the control system of the present invention. In the figure, reference numeral 1 denotes an indicator lever, which is configured to rotate about a shaft 6. 2 is a spring supported by a fulcrum 6, and on the underside of both leprosy are strain gauges 4, 4' or large l1! !
There is one layer. Lever 1 because it will be composed in this mourning
By pressing the end of the strain gauge 4 or 4' downward as shown by the arrow in the figure, the resistance of the strain gauge 4 or 4' (il becomes a hair according to the deflection violet, and this decrease in resistance value is caused by the difference #IJJ Danchukan 5). It is output as a directional control reconnaissance 5a.When driving a zoom lens motor, for example, W@
The lens is driven wide by the suppression in the direction of the arrow T.
The lens is driven to the telephoto side by pressing @.
この様にストレインゲージの内の一方のみに圧力が加わ
る様にすれば、方向及び量を指示する様にする事ができ
る。又、レバー１がばね２の一部じたアナログ信号を得
る事もできる。尚ストレインゲージの数は２つに＠定さ
れない。By applying pressure to only one of the strain gauges in this way, the direction and amount can be indicated. It is also possible to obtain an analog signal in which the lever 1 is partially biased by the spring 2. Note that the number of strain gauges is not limited to two.
第２図は本発明の第２の実施例を示す図で、第１図示実
施例との違いは板ばね２の代わりにコイルばね２Ｉ、２
“を介して圧電変換素子７．７１に圧力を加える様にし
、この圧力に応じて発生する各素子７．７′の起電圧差
を差動テンプ５を介して出力５１として得ている点であ
る。FIG. 2 is a diagram showing a second embodiment of the present invention, and the difference from the first embodiment is that coil springs 2I and 2 are used instead of the leaf spring 2.
pressure is applied to the piezoelectric transducer elements 7.71 via the be.
第６図は本発明の第６の岩施例な示す図で第２図示実施
例の変形であり、この実施例との違いは圧電変換素子７
を１つのみ設ける様にし、この素子７の起電圧を基準電
圧Ｖｆと比較してその差電圧を差動項中器５で増巾する
様Ｖこ為したものである。FIG. 6 shows a sixth embodiment of the present invention, which is a modification of the second embodiment, and the difference from this embodiment is that the piezoelectric transducer 7
The electromotive voltage of this element 7 is compared with a reference voltage Vf, and the difference voltage is amplified by a differential termizer 5.
この様に本発明は圧電変慄器によりシーソータイプの押
しボタン等の押圧力のバランス状態を電気信号に変？＃
する拳によりズームレンズ等の移動力＋ｉ＋及び、移動
量を指示し得るものであり、信号発生部はＪＩＣ押圧力
を利用するだけで何ら摺動部がないので耐久性か優れて
いると共に、惨めて構成か簡単な為密封が口ｊ能である
ので耐水性も強いという％ｉａｋ有する。In this way, the present invention uses a piezoelectric transformer to change the balance state of the pressing force of a seesaw type push button, etc. into an electrical signal. #
It is possible to instruct the moving force +i+ and the amount of movement of the zoom lens, etc. with the fist you hold, and the signal generating part only uses the JIC pressing force and there are no sliding parts, so it has excellent durability and does not have to be miserable. It has a simple structure, can be sealed tightly, and has strong water resistance.
尚、本発明の実施例ではズームレンズ制御に用いる場合
をボしたが、フォーカス制御に用いても良いし、雲台の
パン、チルト制＃叫に適用する墨も口」肚であや。In the embodiments of the present invention, the use for zoom lens control has been omitted, but it may also be used for focus control, and the ink used for panning and tilting control of the camera head can also be applied with the mouth and the stomach.
第１図はストレインゲージを用いた本発明の匍１１１１
＃ｃｔＩｔの一例を示す図、第２図は圧電素子を用いた
本発明の制御装置の一例を示す図、第６図は本発明のａ
Ｊ６のｌ実施例を示す図である。
１・・・ズームデマンド、２・Φ・弾性体、６拳φ・１
転軸、４，４′・・・ストレインゲージ、５・拳・差動
アンプ、７ｅ ７”・・圧電素子。
特許出願人 キャノン株式会社
代 １ 人 丸 島 儀 −１°ぐ
ζ＋Ｌａ−’ＡFigure 1 shows a 1111 of the present invention using a strain gauge.
FIG. 2 is a diagram showing an example of the control device of the present invention using a piezoelectric element, and FIG. 6 is a diagram showing an example of the control device of the present invention using a piezoelectric element.
It is a figure which shows l Example of J6. 1... Zoom demand, 2, Φ, elastic body, 6 fists, 1
Rotating axis, 4, 4'...strain gauge, 5, fist, differential amplifier, 7e 7"...piezoelectric element. Patent applicant: Canon Co., Ltd., 1 person, Gi Marushima -1°gζ+La-'A
Claims (1)
分を介して受けた力に応じて電気量を形成する光電変換
手段とを含む制御装置。A control device including a plurality of suppressing portions capable of selectively instructing a direction, and photoelectric conversion means forming an electrical quantity in response to a force received through each suppressing portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14861581A JPS5848902A (en) | 1981-09-18 | 1981-09-18 | Control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14861581A JPS5848902A (en) | 1981-09-18 | 1981-09-18 | Control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5848902A true JPS5848902A (en) | 1983-03-23 |
Family
ID=15456739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14861581A Pending JPS5848902A (en) | 1981-09-18 | 1981-09-18 | Control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5848902A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01113256U (en) * | 1988-01-26 | 1989-07-31 |
-
1981
- 1981-09-18 JP JP14861581A patent/JPS5848902A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01113256U (en) * | 1988-01-26 | 1989-07-31 |
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