JPS6440822A - Zoom mechanism for camera - Google Patents
Zoom mechanism for cameraInfo
- Publication number
- JPS6440822A JPS6440822A JP19704887A JP19704887A JPS6440822A JP S6440822 A JPS6440822 A JP S6440822A JP 19704887 A JP19704887 A JP 19704887A JP 19704887 A JP19704887 A JP 19704887A JP S6440822 A JPS6440822 A JP S6440822A
- Authority
- JP
- Japan
- Prior art keywords
- zoom
- supporting
- lens
- frame
- driving
- 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
- Lens Barrels (AREA)
Abstract
PURPOSE:To make a mechanism small in size and high in accuracy, by providing lens supporting frames which support plural lens groups and can go back and forth in the direction of an optical axis, plural power converting mechanisms and a mechanism which transmits power to the power converting mechanisms from a driving source. CONSTITUTION:The main part of the titled zoom mechanism 1 is made up with the zoom frame 5 supporting a 1st lens groups L, a 2nd lens group supporting frame 4 supporting the 2nd lens group L2 and the driving and transmitting mechanism which transmits the rotation of a zoom driving motor 2 to a feed screw 11 through a series of gear trains and rotates them. Since in such a zoom mechanism, a zoom action is performed by means of non-circular gears, a finder part 26, a spool chamber 27, a cassette chamber 28, etc., can be designed to put them closely on a screen frame 25, compared with a case in which conventional cam tubes are used. Therefore, the entire camera can be scaled down, and no complicated, highly accurate control is needed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19704887A JPS6440822A (en) | 1987-08-05 | 1987-08-05 | Zoom mechanism for camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19704887A JPS6440822A (en) | 1987-08-05 | 1987-08-05 | Zoom mechanism for camera |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6440822A true JPS6440822A (en) | 1989-02-13 |
Family
ID=16367845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19704887A Pending JPS6440822A (en) | 1987-08-05 | 1987-08-05 | Zoom mechanism for camera |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6440822A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01179421A (en) * | 1988-01-06 | 1989-07-17 | Tokuda Seisakusho Ltd | Discharge electrode |
JPH03251830A (en) * | 1990-03-01 | 1991-11-11 | Matsushita Electric Ind Co Ltd | Lens driving device |
JPH04251206A (en) * | 1991-01-09 | 1992-09-07 | Canon Inc | Lens barrel |
JP2006145796A (en) * | 2004-11-19 | 2006-06-08 | Nikon Corp | Microscope |
JP2007102062A (en) * | 2005-10-07 | 2007-04-19 | Ricoh Co Ltd | Imaging apparatus with shaking correction function |
-
1987
- 1987-08-05 JP JP19704887A patent/JPS6440822A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01179421A (en) * | 1988-01-06 | 1989-07-17 | Tokuda Seisakusho Ltd | Discharge electrode |
JPH03251830A (en) * | 1990-03-01 | 1991-11-11 | Matsushita Electric Ind Co Ltd | Lens driving device |
JPH04251206A (en) * | 1991-01-09 | 1992-09-07 | Canon Inc | Lens barrel |
JP2006145796A (en) * | 2004-11-19 | 2006-06-08 | Nikon Corp | Microscope |
JP2007102062A (en) * | 2005-10-07 | 2007-04-19 | Ricoh Co Ltd | Imaging apparatus with shaking correction function |
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