JPS5854620U - Information transmission device between lens barrel and camera body - Google Patents
Information transmission device between lens barrel and camera bodyInfo
- Publication number
- JPS5854620U JPS5854620U JP14999481U JP14999481U JPS5854620U JP S5854620 U JPS5854620 U JP S5854620U JP 14999481 U JP14999481 U JP 14999481U JP 14999481 U JP14999481 U JP 14999481U JP S5854620 U JPS5854620 U JP S5854620U
- Authority
- JP
- Japan
- Prior art keywords
- light
- lens barrel
- camera body
- transmission device
- information transmission
- 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
- Exposure Control For Cameras (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、本考案の情報伝達装置を配設するカメラ本体
の要部正面図、第２図は、本考案の一実施例を示すレン
ズ鏡筒とカメラ本体との情報伝達装置の概要図、第３図
は、上記第２図に示した情報伝達装置の電気回路図、第
４図は、本考案の他の実施例を示すレンズ鏡筒とカメラ
本体との情報伝達装置の概要図、第５図は、上記第４図
に示した情報伝達装置の電気回路図である。
１・・・カメラマウント環（レンズマウント係合部）、
３．１３・・・反射型フォトセンサー、４゜１４・・・
発光部、５．１５・・・受光部、６・・・カメラ本体、
７・・・交換レンズ鏡筒、８，１８・・・光反射面、Ｅ
Ｄ工、 ＥＤ２・・・発光ダイオード（発光部） 、Ｐ
Ｄ、・・・フォトダイオード（受光部）、ＰＳｌ・・・
半導体装置センサー（受光部）。FIG. 1 is a front view of the main parts of a camera body in which the information transmission device of the present invention is installed, and FIG. 2 is a schematic diagram of the information transmission device between the lens barrel and the camera body, showing an embodiment of the present invention. , FIG. 3 is an electric circuit diagram of the information transmission device shown in FIG. FIG. 5 is an electrical circuit diagram of the information transmission device shown in FIG. 4 above. 1...Camera mount ring (lens mount engagement part),
3.13... Reflective photo sensor, 4°14...
Light emitting part, 5.15... Light receiving part, 6... Camera body,
7... Interchangeable lens barrel, 8, 18... Light reflecting surface, E
D Engineering, ED2... Light emitting diode (light emitting part), P
D,...Photodiode (light receiving section), PSL...
Semiconductor device sensor (light receiving section).
Claims (1)
ていて、この交換レンズ鏡筒の機能情報に応じて形成さ
れた光反射面と、 カメラ本体のレンズマウント係合部付近に設けられでい
て、このカメラ本体に上記レンズ鏡筒を装着したときに
、上記光反射面に向けて光を照射する発光部と、 同じくカメラ本体のレンズマウント係合部付近に設けら
れていて、上記発光部から発せられ、上′配光反射面で
反射された光を受光して、上記交換レンズ鏡筒の機能情
報を検出する受光部と、を具備することを特徴とする、
ルンズ鏡筒とカメラ本体との情報伝達装置。[Scope of claim for utility model registration] A light reflecting surface provided near the camera mount engagement part of the interchangeable lens barrel and formed according to the functional information of the interchangeable lens barrel, and a lens mount engagement part of the camera body. A light-emitting part is provided near the joint and emits light toward the light-reflecting surface when the lens barrel is attached to the camera body, and a light-emitting part is also provided near the lens mount engagement part of the camera body. and a light receiving section configured to detect functional information of the interchangeable lens barrel by receiving light emitted from the light emitting section and reflected by the upper light distribution reflecting surface. ,
Information transmission device between the lens barrel and the camera body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14999481U JPS5854620U (en) | 1981-10-07 | 1981-10-07 | Information transmission device between lens barrel and camera body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14999481U JPS5854620U (en) | 1981-10-07 | 1981-10-07 | Information transmission device between lens barrel and camera body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5854620U true JPS5854620U (en) | 1983-04-13 |
Family
ID=29942746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14999481U Pending JPS5854620U (en) | 1981-10-07 | 1981-10-07 | Information transmission device between lens barrel and camera body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5854620U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53143319A (en) * | 1977-05-20 | 1978-12-13 | Ricoh Co Ltd | Iris level transmitting system for interchangeable lens |
-
1981
- 1981-10-07 JP JP14999481U patent/JPS5854620U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53143319A (en) * | 1977-05-20 | 1978-12-13 | Ricoh Co Ltd | Iris level transmitting system for interchangeable lens |
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