JPH0394530U - - Google Patents
Info
- Publication number
- JPH0394530U JPH0394530U JP237390U JP237390U JPH0394530U JP H0394530 U JPH0394530 U JP H0394530U JP 237390 U JP237390 U JP 237390U JP 237390 U JP237390 U JP 237390U JP H0394530 U JPH0394530 U JP H0394530U
- Authority
- JP
- Japan
- Prior art keywords
- camera
- unit
- light
- light receiving
- main unit
- 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
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Cameras In General (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
- Focusing (AREA)
Description
第１図は本考案のシステムカメラの一実施例に
おける制御系を示すブロツク図、第２図は本考案
のシステムカメラの一実施例の分解斜視図、第３
図は本実施例の信号伝達回路部を示す回路図、第
４図、第５図は本実施例の各部におけるタイミン
グチヤートである。
１……カメラ親機、２……レンズ、３……レリ
ーズ、４……フアインダ、５，Ｌ１……カメラ親
機の投光部、６，ＰＤ１，ＰＤ２……カメラ親機
の受光部、７……受孔、８……カメラ子機、９…
…近接撮影用レンズ部、１０，Ｌ２……カメラ子
機の投光部、１１，ＰＤ３……カメラ子機の受光
部、１２……突起、１３，１４……制御部、ＣＰ
Ｕ１，ＣＰＵ２……中央演算部、Ａ１……差動増
幅器、Ｓ／Ｈ……サンプルホールド回路、Ｒ１〜
Ｒ１３……抵抗器、Ｔｒ１〜Ｔｒ３……トランジ
スタ、Ｃ１，Ｃ２……コンデンサ。
FIG. 1 is a block diagram showing a control system in an embodiment of the system camera of the present invention, FIG. 2 is an exploded perspective view of an embodiment of the system camera of the present invention, and FIG.
The figure is a circuit diagram showing the signal transmission circuit section of this embodiment, and FIGS. 4 and 5 are timing charts for each section of this embodiment. 1...Camera main unit, 2...Lens, 3...Release, 4...Finder, 5, L1 ...Light emitter of camera main unit, 6, PD 1 , PD 2 ...Light reception of camera main unit part, 7... hole, 8... camera slave unit, 9...
...lens part for close-up photography, 10, L 2 ... light emitting part of camera slave unit, 11, PD 3 ... light receiving part of camera slave unit, 12... protrusion, 13, 14... control part, CP
U 1 , CPU 2 ... central processing unit, A 1 ... differential amplifier, S/H ... sample hold circuit, R 1 ...
R13 ...Resistor, Tr1 - Tr3 ...Transistor, C1 , C2 ...Capacitor.
Claims (1)
メラユニツトを交換可能に装着できるシステムカ
メラにおいて、投光部と受光部とが設けられ、被
写体に向かつて投光された光の反射光を受光部で
受光することにより被写体までの距離を測定する
カメラ親機と、このカメラ親機との間の信号の送
受信を前記投光部と受光部を介して光学的に行う
投光部と受光部とが設けられたカメラ子機とを備
えたことを特徴とするシステムカメラ。 A system camera in which a camera slave unit or various camera units can be attached interchangeably to a camera base unit is provided with a light emitting part and a light receiving part, and the light receiving part receives the reflected light of the light projected toward the subject. A camera main unit that measures the distance to a subject by receiving light, and a light projecting unit and a light receiving unit that optically transmit and receive signals between the camera main unit and the camera main unit via the light projecting unit and the light receiving unit. A system camera characterized by being equipped with a camera slave unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP237390U JPH0394530U (en) | 1990-01-17 | 1990-01-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP237390U JPH0394530U (en) | 1990-01-17 | 1990-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0394530U true JPH0394530U (en) | 1991-09-26 |
Family
ID=31506250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP237390U Pending JPH0394530U (en) | 1990-01-17 | 1990-01-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0394530U (en) |
-
1990
- 1990-01-17 JP JP237390U patent/JPH0394530U/ja active Pending