JPS6422307U - - Google Patents
Info
- Publication number
- JPS6422307U JPS6422307U JP8633188U JP8633188U JPS6422307U JP S6422307 U JPS6422307 U JP S6422307U JP 8633188 U JP8633188 U JP 8633188U JP 8633188 U JP8633188 U JP 8633188U JP S6422307 U JPS6422307 U JP S6422307U
- Authority
- JP
- Japan
- Prior art keywords
- fundus
- photographing
- fundus image
- immediately before
- observation
- 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
- 238000003384 imaging method Methods 0.000 claims 2
- 210000004220 fundus oculi Anatomy 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Description
図面は本考案に係る眼底撮影装置の実施例を示
し、第１図は第１の実施例の構成図、第２図はリ
ングスリツト板の正面図、第３図はダイクロイツ
クミラーの特性図、第４図は静止画像形成回路の
ブロツク回路構成図、第５図は第２の実施例の構
成図、第６図はスプリツト指標板の正面図、第７
図は２穴スリツト板の正面図である。
符号１は観察光源、２，２０はコンデンサレン
ズ、３，９はダイクロイツクミラー、４はリング
スリツト、６は穴開きミラー、７は対物レンズ、
８は撮影レンズ、１３は撮像管、１４はモニタテ
レビ、１５は光源、１６，１７はライトガイド、
１８はフイルム、１９は撮影光源、２４は光源、
２５はスプリツト指標板、２６はスプリツトプリ
ズム、２９は２穴スリツト、３０，３１はビーム
スプリツタ、３４はアイピースである。
The drawings show an embodiment of the fundus photographing device according to the present invention, FIG. 1 is a configuration diagram of the first embodiment, FIG. 2 is a front view of a ring slit plate, and FIG. 3 is a characteristic diagram of a dichroic mirror. Fig. 4 is a block circuit diagram of the still image forming circuit, Fig. 5 is a block diagram of the second embodiment, Fig. 6 is a front view of the split indicator plate, and Fig. 7 is a block diagram of the still image forming circuit.
The figure is a front view of a two-hole slit plate. 1 is an observation light source, 2 and 20 are condenser lenses, 3 and 9 are dichroic mirrors, 4 is a ring slit, 6 is a perforated mirror, 7 is an objective lens,
8 is a photographing lens, 13 is an image pickup tube, 14 is a monitor TV, 15 is a light source, 16 and 17 are light guides,
18 is a film, 19 is a photographing light source, 24 is a light source,
25 is a split index plate, 26 is a split prism, 29 is a two-hole slit, 30 and 31 are beam splitters, and 34 is an eyepiece.
Claims (1)
の反射光を撮像手段に導いて眼底像を撮像して表
示手段上に表示する観察系と、撮影光源からの光
を被検眼内に導きその眼底での反射光を記録手段
上に導いて眼底像を記録する撮影系と、該撮影系
による撮影の際のシヤツタ信号を基に前記観察系
の撮像手段の出力から撮影直前の眼底像を取り込
んで記憶し、該撮影直前の眼底像を前記表示手段
上に静止画像として表示させるための像記憶手段
とを有することを特徴とする眼底撮影装置。 An observation system that guides light from an observation light source into the subject's eye and guides reflected light from the fundus to an imaging means to capture a fundus image and display it on a display means; and an observation system that guides light from the photographic light source into the subject's eye. a photographing system that records the fundus image by guiding the reflected light from the fundus onto a recording means; and a photographing system that records the fundus image immediately before photographing from the output of the imaging means of the observation system based on a shutter signal when the photographing system takes a photograph. A fundus oculi photographing device comprising: an image storage means for capturing and storing the fundus image immediately before photographing, and displaying the fundus image immediately before photographing as a still image on the display means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8633188U JPH0323201Y2 (en) | 1988-06-29 | 1988-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8633188U JPH0323201Y2 (en) | 1988-06-29 | 1988-06-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6422307U true JPS6422307U (en) | 1989-02-06 |
| JPH0323201Y2 JPH0323201Y2 (en) | 1991-05-21 |
Family
ID=31310969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8633188U Expired JPH0323201Y2 (en) | 1988-06-29 | 1988-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0323201Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08266478A (en) * | 1996-01-09 | 1996-10-15 | Topcon Corp | Ophthalmologic camera |
-
1988
- 1988-06-29 JP JP8633188U patent/JPH0323201Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08266478A (en) * | 1996-01-09 | 1996-10-15 | Topcon Corp | Ophthalmologic camera |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0323201Y2 (en) | 1991-05-21 |
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