JPH0293709U - - Google Patents
Info
- Publication number
- JPH0293709U JPH0293709U JP152489U JP152489U JPH0293709U JP H0293709 U JPH0293709 U JP H0293709U JP 152489 U JP152489 U JP 152489U JP 152489 U JP152489 U JP 152489U JP H0293709 U JPH0293709 U JP H0293709U
- Authority
- JP
- Japan
- Prior art keywords
- distance
- measured
- lens
- formation position
- image formation
- 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
- 238000003384 imaging method Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Measurement Of Optical Distance (AREA)
Description
第１図は本考案に係る計測装置の一実施例のブ
ロツク図、第２図Ａ〜Ｃはオートフオーカス・カ
メラの距離測定の原理図である。
１……被測定対象、２……対象レンズ、３……
結像面、４……フイールドレンズ、５……２次結
像メガネレンズ、６……測距素子、７……被測定
対象像、８……オートフオーカス・カメラ、９…
…レンズ、１０……撮像部、１１……焦点制御部
、１２……距離換算部、１３……出力部。
FIG. 1 is a block diagram of an embodiment of a measuring device according to the present invention, and FIGS. 2A to 2C are diagrams showing the principle of distance measurement using an autofocus camera. 1...Object to be measured, 2...Target lens, 3...
Imaging surface, 4... Field lens, 5... Secondary imaging glasses lens, 6... Distance measuring element, 7... Target image to be measured, 8... Autofocus camera, 9...
...Lens, 10...Imaging section, 11...Focus control section, 12...Distance conversion section, 13...Output section.
Claims (1)
せて、該被測定対象より受けた像をレンズを介し
て撮像部に自動的に焦点制御部の制御により結像
させるオートフオーカス・カメラと、前記レンズ
から結像位置までの距離と、前記レンズから前記
被測定対象までの距離との関係を利用して、前記
結像位置から前記被測定対象までの距離を換算し
て出力する距離換算部とからなる自動絞り型距離
測定装置。 An autofocus camera that allows natural light to enter an object to be measured in the outside world and automatically forms an image received from the object through a lens on an imaging section under the control of a focus control section; and the lens. a distance conversion unit that converts and outputs the distance from the image formation position to the object to be measured using the relationship between the distance from the image formation position to the object to be measured and the distance from the lens to the object to be measured; An automatic aperture type distance measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP152489U JPH0293709U (en) | 1989-01-10 | 1989-01-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP152489U JPH0293709U (en) | 1989-01-10 | 1989-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0293709U true JPH0293709U (en) | 1990-07-25 |
Family
ID=31201484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP152489U Pending JPH0293709U (en) | 1989-01-10 | 1989-01-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0293709U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5854311A (en) * | 1981-09-26 | 1983-03-31 | Nippon Kogaku Kk <Nikon> | Variable focus optical system |
| JPS63276009A (en) * | 1987-05-07 | 1988-11-14 | Olympus Optical Co Ltd | Focus detecting optical system |
-
1989
- 1989-01-10 JP JP152489U patent/JPH0293709U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5854311A (en) * | 1981-09-26 | 1983-03-31 | Nippon Kogaku Kk <Nikon> | Variable focus optical system |
| JPS63276009A (en) * | 1987-05-07 | 1988-11-14 | Olympus Optical Co Ltd | Focus detecting optical system |
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