JPS594522U - Camera information introduction circuit - Google Patents
Camera information introduction circuitInfo
- Publication number
- JPS594522U JPS594522U JP1982099203U JP9920382U JPS594522U JP S594522 U JPS594522 U JP S594522U JP 1982099203 U JP1982099203 U JP 1982099203U JP 9920382 U JP9920382 U JP 9920382U JP S594522 U JPS594522 U JP S594522U
- Authority
- JP
- Japan
- Prior art keywords
- variable resistor
- setting
- camera information
- resistance value
- introduction circuit
- 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
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は本考案の一実施例及びシャッター秒時演算制御部の
例を示すブロック図である。
−ＶＲＦ・・・絞り値設定用可変抵抗、ＶＲ，・・・Ａ
ＳＡ感度設定用可変抵抗、Ｔｒ、〜Ｔｒ、・・・トラン
ジスタ、Ａ６・・・演算増幅器、Ｄ工〜Ｄ３・・・ダイ
オード、Ｒ１−Ｒ４・・・抵抗。The figure is a block diagram showing an embodiment of the present invention and an example of a shutter time calculation control section. -VRF...Variable resistor for setting aperture value, VR,...A
SA sensitivity setting variable resistor, Tr, ~Tr,...transistor, A6...operational amplifier, D~D3...diode, R1-R4...resistance.
Claims (1)
導入するカメラの情報導入回路において、ＡＳＡ感度を
設定する第１の可変抵抗と、絞り値を設定する第２の可
変抵抗と、この第２の可変抵抗及び前記第１の可変抵抗
の抵抗値のうちいずれか一方の抵抗値に比例した電流と
他方の抵抗値に反比例した電流とを発生させる手段と、
この手段で発生させた電流を電圧に変換して前記シャッ
ター秒時演算部に与える手段とを備えたことを特徴とす
るカメラの情報入力回路。In the information introduction circuit of the camera that introduces information on ASA sensitivity and aperture value into the shutter time calculation section, a first variable resistor for setting the ASA sensitivity, a second variable resistor for setting the aperture value, and a second variable resistor for setting the aperture value are used. means for generating a current proportional to the resistance value of one of the variable resistor and the resistance value of the first variable resistor and a current inversely proportional to the resistance value of the other;
An information input circuit for a camera, comprising means for converting the current generated by the means into a voltage and applying it to the shutter time calculation section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982099203U JPS594522U (en) | 1982-06-30 | 1982-06-30 | Camera information introduction circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982099203U JPS594522U (en) | 1982-06-30 | 1982-06-30 | Camera information introduction circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS594522U true JPS594522U (en) | 1984-01-12 |
Family
ID=30235198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982099203U Pending JPS594522U (en) | 1982-06-30 | 1982-06-30 | Camera information introduction circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS594522U (en) |
-
1982
- 1982-06-30 JP JP1982099203U patent/JPS594522U/en active Pending
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