JPH01176810U - - Google Patents
Info
- Publication number
- JPH01176810U JPH01176810U JP7110988U JP7110988U JPH01176810U JP H01176810 U JPH01176810 U JP H01176810U JP 7110988 U JP7110988 U JP 7110988U JP 7110988 U JP7110988 U JP 7110988U JP H01176810 U JPH01176810 U JP H01176810U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- reference position
- converting
- driving
- information
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Focusing (AREA)
Description
第１図は本考案に係る一実施例であるレンズ焦
点調整装置のブロツク図、第２図は第１図の変換
部の詳細ブロツク図、第３図は第１図の設定記憶
部の回路図、第４図は本実施例の動作を示すフロ
ーチヤートである。
図中、１……レンズ焦点調整装置、１０……中
央制御部、２０……ＲＯＭ、４０……変換部、５
０……設定記憶部、６０……検出部、７０……モ
ータ、８０……レンズである。
Fig. 1 is a block diagram of a lens focus adjustment device that is an embodiment of the present invention, Fig. 2 is a detailed block diagram of the converter shown in Fig. 1, and Fig. 3 is a circuit diagram of the setting storage unit shown in Fig. 1. , FIG. 4 is a flowchart showing the operation of this embodiment. In the figure, 1... Lens focus adjustment device, 10... Central control unit, 20... ROM, 40... Conversion unit, 5
0...Setting storage unit, 60...Detection unit, 70...Motor, 80...Lens.
Claims (1)
基準位置と所望位置との差情報を記憶する記憶手
段と、該記憶手段に記憶した差情報を読込みレン
ズ移動量に対応した情報に変換する変換手段と、
前記基準位置到達後変換手段よりの情報に従つて
レンズを所望位置に駆動する駆動手段とを備える
ことを特徴とするレンズ焦点調整装置。 A detection means for detecting a reference position of the lens, a storage means for storing difference information between the reference position and a desired position, and a conversion means for reading the difference information stored in the storage means and converting it into information corresponding to the lens movement amount. and,
and a driving means for driving the lens to a desired position according to information from the converting means after reaching the reference position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988071109U JPH0714968Y2 (en) | 1988-05-31 | 1988-05-31 | Initial position adjustment device for lens drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988071109U JPH0714968Y2 (en) | 1988-05-31 | 1988-05-31 | Initial position adjustment device for lens drive mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01176810U true JPH01176810U (en) | 1989-12-18 |
| JPH0714968Y2 JPH0714968Y2 (en) | 1995-04-10 |
Family
ID=31296320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988071109U Expired - Lifetime JPH0714968Y2 (en) | 1988-05-31 | 1988-05-31 | Initial position adjustment device for lens drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0714968Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02310549A (en) * | 1989-05-26 | 1990-12-26 | Sharp Corp | Image pickup camera |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613576A (en) * | 1979-07-11 | 1981-02-09 | Fujitsu Ltd | Memory access control system |
| JPS56147133A (en) * | 1980-04-18 | 1981-11-14 | Sanyo Electric Co Ltd | Return circuit for lens driving motor |
| JPS6159439A (en) * | 1984-08-31 | 1986-03-26 | Konishiroku Photo Ind Co Ltd | Variable magnification copying machine |
| JPS61254939A (en) * | 1985-05-07 | 1986-11-12 | Konishiroku Photo Ind Co Ltd | Camera |
| JPH01201633A (en) * | 1988-02-08 | 1989-08-14 | Olympus Optical Co Ltd | Focus correcting device for camera with zoom lens |
-
1988
- 1988-05-31 JP JP1988071109U patent/JPH0714968Y2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613576A (en) * | 1979-07-11 | 1981-02-09 | Fujitsu Ltd | Memory access control system |
| JPS56147133A (en) * | 1980-04-18 | 1981-11-14 | Sanyo Electric Co Ltd | Return circuit for lens driving motor |
| JPS6159439A (en) * | 1984-08-31 | 1986-03-26 | Konishiroku Photo Ind Co Ltd | Variable magnification copying machine |
| JPS61254939A (en) * | 1985-05-07 | 1986-11-12 | Konishiroku Photo Ind Co Ltd | Camera |
| JPH01201633A (en) * | 1988-02-08 | 1989-08-14 | Olympus Optical Co Ltd | Focus correcting device for camera with zoom lens |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02310549A (en) * | 1989-05-26 | 1990-12-26 | Sharp Corp | Image pickup camera |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0714968Y2 (en) | 1995-04-10 |