JPS5433150B1 - - Google Patents
Info
- Publication number
- JPS5433150B1 JPS5433150B1 JP4612571A JP4612571A JPS5433150B1 JP S5433150 B1 JPS5433150 B1 JP S5433150B1 JP 4612571 A JP4612571 A JP 4612571A JP 4612571 A JP4612571 A JP 4612571A JP S5433150 B1 JPS5433150 B1 JP S5433150B1
- 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.)
- Pending
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)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4612571A JPS5433150B1 (ja) | 1971-06-25 | 1971-06-25 | |
| US265520A US3870418A (en) | 1971-06-25 | 1972-06-23 | Exposure meter |
| DE2230835A DE2230835C3 (de) | 1971-06-25 | 1972-06-23 | Belichtungsmesser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4612571A JPS5433150B1 (ja) | 1971-06-25 | 1971-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5433150B1 true JPS5433150B1 (ja) | 1979-10-18 |
Family
ID=12738249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4612571A Pending JPS5433150B1 (ja) | 1971-06-25 | 1971-06-25 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3870418A (ja) |
| JP (1) | JPS5433150B1 (ja) |
| DE (1) | DE2230835C3 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743481B (zh) * | 2014-02-20 | 2017-03-15 | 三维通信股份有限公司 | 一种极低成本检测范围可调的光强检测电路 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3221317A (en) * | 1962-06-27 | 1965-11-30 | Gen Electric | Audible indicator circuit |
| US3147680A (en) * | 1963-05-07 | 1964-09-08 | Eastman Kodak Co | Photographic light measuring device |
| US3393604A (en) * | 1965-08-13 | 1968-07-23 | Gen Time Corp | Condition responsive process timer |
| US3450888A (en) * | 1966-10-11 | 1969-06-17 | Gen Electric | Speed control of moving paper responsive to transmittance of paper |
-
1971
- 1971-06-25 JP JP4612571A patent/JPS5433150B1/ja active Pending
-
1972
- 1972-06-23 DE DE2230835A patent/DE2230835C3/de not_active Expired
- 1972-06-23 US US265520A patent/US3870418A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2230835C3 (de) | 1976-01-02 |
| DE2230835A1 (de) | 1973-01-11 |
| DE2230835B2 (de) | 1975-05-22 |
| US3870418A (en) | 1975-03-11 |