JPS4833878A - - Google Patents
Info
- Publication number
- JPS4833878A JPS4833878A JP46067691A JP6769171A JPS4833878A JP S4833878 A JPS4833878 A JP S4833878A JP 46067691 A JP46067691 A JP 46067691A JP 6769171 A JP6769171 A JP 6769171A JP S4833878 A JPS4833878 A JP S4833878A
- 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
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/18—Signals indicating condition of a camera member or suitability of light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Exposure Control For Cameras (AREA)
- Amplifiers (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46067691A JPS5147356B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-09-02 | 1971-09-02 | |
| US00282712A US3753387A (en) | 1971-09-02 | 1972-08-22 | Bridge type exposure meter |
| GB3904772A GB1396336A (en) | 1971-09-02 | 1972-08-22 | Bridge type exposure meter |
| DE19722243170 DE2243170C3 (de) | 1971-09-02 | 1972-09-01 | Meßbrücke mit transistorisierter Abgleich-Nachweisschaltung und nachgeschalteter Steuerschaltung, als BelichtungsmeB- oder -steuerschaltung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46067691A JPS5147356B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-09-02 | 1971-09-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4833878A true JPS4833878A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-05-14 |
| JPS5147356B2 JPS5147356B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-12-14 |
Family
ID=13352241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP46067691A Expired JPS5147356B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-09-02 | 1971-09-02 |
Country Status (3)
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2312558A1 (fr) * | 1975-05-29 | 1976-12-24 | Ici Ltd | Procede et compositions de nettoyage |
| US4683075A (en) * | 1986-07-23 | 1987-07-28 | Allied Corporation | Azeotrope-like compositions of trichlorotrifluoroethane, methanol, nitromethane, acetone, and methyl acetate |
| US4971085A (en) * | 1988-12-27 | 1990-11-20 | Allied-Signal Inc. | Azeotrope-like compositions of 1,1,2-trichloro-1,2,3-trifluoroethane, methanol, nitromethane, 1,2-dichloroethylene, acetone and hexane |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4010480A (en) * | 1974-08-19 | 1977-03-01 | Yugenkaisha Sato Kenkyusho | Control circuit for automatically controlling a diaphragm of a camera |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4935695B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1965-10-07 | 1974-09-25 | ||
| US3450969A (en) * | 1965-11-06 | 1969-06-17 | Copal Co Ltd | Photo-resistance bridge servomechanism |
| FR1500299A (fr) * | 1966-09-20 | 1967-11-03 | Optique Prec Soc D | Dispositif de commande automatique du diaphragme d'un appareil de prise de vues |
| US3580157A (en) * | 1969-03-07 | 1971-05-25 | Eastman Kodak Co | Automatic exposure control device |
-
1971
- 1971-09-02 JP JP46067691A patent/JPS5147356B2/ja not_active Expired
-
1972
- 1972-08-22 US US00282712A patent/US3753387A/en not_active Expired - Lifetime
- 1972-08-22 GB GB3904772A patent/GB1396336A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2312558A1 (fr) * | 1975-05-29 | 1976-12-24 | Ici Ltd | Procede et compositions de nettoyage |
| US4683075A (en) * | 1986-07-23 | 1987-07-28 | Allied Corporation | Azeotrope-like compositions of trichlorotrifluoroethane, methanol, nitromethane, acetone, and methyl acetate |
| US4971085A (en) * | 1988-12-27 | 1990-11-20 | Allied-Signal Inc. | Azeotrope-like compositions of 1,1,2-trichloro-1,2,3-trifluoroethane, methanol, nitromethane, 1,2-dichloroethylene, acetone and hexane |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2243170A1 (de) | 1973-03-08 |
| GB1396336A (en) | 1975-06-04 |
| JPS5147356B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-12-14 |
| US3753387A (en) | 1973-08-21 |
| DE2243170B2 (de) | 1975-07-10 |