JPS4953424A - - Google Patents
Info
- Publication number
- JPS4953424A JPS4953424A JP47095307A JP9530772A JPS4953424A JP S4953424 A JPS4953424 A JP S4953424A JP 47095307 A JP47095307 A JP 47095307A JP 9530772 A JP9530772 A JP 9530772A JP S4953424 A JPS4953424 A JP S4953424A
- Authority
- JP
- Japan
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Exposure Control For Cameras (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9530772A JPS562687B2 (https=) | 1972-09-22 | 1972-09-22 | |
| US398552A US3888594A (en) | 1972-09-22 | 1973-09-18 | Exposure control computing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9530772A JPS562687B2 (https=) | 1972-09-22 | 1972-09-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4953424A true JPS4953424A (https=) | 1974-05-24 |
| JPS562687B2 JPS562687B2 (https=) | 1981-01-21 |
Family
ID=14134093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9530772A Expired JPS562687B2 (https=) | 1972-09-22 | 1972-09-22 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3888594A (https=) |
| JP (1) | JPS562687B2 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5127985A (en) * | 1974-09-03 | 1976-03-09 | Asahi Optical Co Ltd | Roshutsukeikairo oyobi roshutsukei |
| JPS5834485U (ja) * | 1981-08-27 | 1983-03-05 | パイオニア株式会社 | ヘツドホ−ンのヘツドバンドスライド機構 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3587421A (en) * | 1967-07-20 | 1971-06-28 | Nippon Kogaku Kk | Electric exposure meter |
-
1972
- 1972-09-22 JP JP9530772A patent/JPS562687B2/ja not_active Expired
-
1973
- 1973-09-18 US US398552A patent/US3888594A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3888594A (en) | 1975-06-10 |
| JPS562687B2 (https=) | 1981-01-21 |