JPH0197308U - - Google Patents
Info
- Publication number
- JPH0197308U JPH0197308U JP19364787U JP19364787U JPH0197308U JP H0197308 U JPH0197308 U JP H0197308U JP 19364787 U JP19364787 U JP 19364787U JP 19364787 U JP19364787 U JP 19364787U JP H0197308 U JPH0197308 U JP H0197308U
- Authority
- JP
- Japan
- Prior art keywords
- driven member
- drive source
- transmission mechanism
- drive
- connects
- 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
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Lens Barrels (AREA)
Description
第１図は、本考案の第１実施例を示すレンズ等
の駆動機構の要部の構成を示す斜視図、第２図は
、上記第１図のレンズ等の駆動機構における駆動
伝達機構中に設けられた回転検出機構を示す正面
図、第３図は、上記第１図のレンズ等の駆動機構
を制御する電気回路の構成を示すブロツク図、第
４図、第５図は、本考案の第２実施例を示すレン
ズ等の駆動機構におけるスリツト円板の回転軸の
作動態様をそれぞれ示す正面図および斜視図、第
６図は、従来のレンズ駆動機構の要部の構成の一
例を示す斜視図、第７図は、駆動伝達用ギヤー間
におけるバツクラツシユを説明するための図であ
る。
１……モータ（駆動源）、２……ピニオンギヤ
ー、（駆動部材）、３，４，５……減速伝達用段
ギヤー（伝達機構）、６，６Ａ，６Ｂ……スリツ
ト円板（検知手段）、６ｂ……バツクラツシユ補
正孔（バツクラツシユ補正部材）、８……フオト
インタラプタ（検知手段）、９……伝達ギヤー（
伝達機構）、１０……リードねじ（伝達機構）、
１３……回転軸（バツクラツシユ補正部材）、２
１，３１，４１……レンズ駆動機構。
FIG. 1 is a perspective view showing the configuration of the main parts of a driving mechanism for lenses, etc., showing a first embodiment of the present invention, and FIG. 2 shows a drive transmission mechanism in the driving mechanism for lenses, etc. shown in FIG. FIG. 3 is a block diagram showing the configuration of an electric circuit that controls the drive mechanism for the lens, etc. shown in FIG. 1, and FIGS. A front view and a perspective view respectively showing the operation mode of the rotating shaft of the slit disk in the drive mechanism for lenses etc. according to the second embodiment, and FIG. 6 is a perspective view showing an example of the configuration of the main parts of the conventional lens drive mechanism. 7 are diagrams for explaining backlash between drive transmission gears. 1... Motor (drive source), 2... Pinion gear, (drive member), 3, 4, 5... Stage gear for deceleration transmission (transmission mechanism), 6, 6A, 6B... Slit disk (detection means) ), 6b...Buckrush correction hole (backlash correction member), 8...Photo interrupter (detection means), 9...Transmission gear (
transmission mechanism), 10...lead screw (transmission mechanism),
13... Rotating shaft (backlash correction member), 2
1 , 31 , 41 ... Lens drive mechanism.
Claims (1)
源からの駆動力を上記被駆動部材に伝達する伝達
機構と、 この伝達機構に連動して設けられていて、上記
被駆動部材の移動量を検出する検知手段と、 上記伝達機構と検知手段との間を、上記伝達機
構と被駆動部材との間に発生するバツクラツシユ
に相当する遊びを有して連結するバツクラツシユ
補正部材と、 を具備したことを特徴とするレンズ等の駆動機構
。[Claims for Utility Model Registration] A driven member such as a lens, a drive source for driving the driven member, and a drive source that connects the driven member and the drive source, and applies the driving force from the drive source to the drive source. a transmission mechanism that transmits a signal to a driven member; a detection means that is provided in conjunction with the transmission mechanism and detects the amount of movement of the driven member; and a transmission mechanism that connects the transmission mechanism and the detection means. 1. A drive mechanism for a lens, etc., comprising: a backlash correction member that connects the driven member with play corresponding to the backlash that occurs between the drive member and the driven member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19364787U JPH0197308U (en) | 1987-12-21 | 1987-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19364787U JPH0197308U (en) | 1987-12-21 | 1987-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0197308U true JPH0197308U (en) | 1989-06-28 |
Family
ID=31484429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19364787U Pending JPH0197308U (en) | 1987-12-21 | 1987-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0197308U (en) |
-
1987
- 1987-12-21 JP JP19364787U patent/JPH0197308U/ja active Pending
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