FR2189724A1 - - Google Patents
Info
- Publication number
- FR2189724A1 FR2189724A1 FR7322993A FR7322993A FR2189724A1 FR 2189724 A1 FR2189724 A1 FR 2189724A1 FR 7322993 A FR7322993 A FR 7322993A FR 7322993 A FR7322993 A FR 7322993A FR 2189724 A1 FR2189724 A1 FR 2189724A1
- Authority
- FR
- France
- 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
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2616472A IT987561B (it) | 1972-06-24 | 1972-06-24 | Esposimetro |
| IT484273A IT1045296B (it) | 1973-05-23 | 1973-05-23 | Esposimetro procedimento per la produzione di riquauri imbottiti per copertine, macchina relativa a tale procedi mento e riquadri oosi ottenuti |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2189724A1 true FR2189724A1 (US08197722-20120612-C00042.png) | 1974-01-25 |
| FR2189724B1 FR2189724B1 (US08197722-20120612-C00042.png) | 1975-08-22 |
Family
ID=26325596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7322993A Expired FR2189724B1 (US08197722-20120612-C00042.png) | 1972-06-24 | 1973-06-22 |
Country Status (6)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT997165B (it) * | 1973-07-05 | 1975-12-30 | Durst Ag | Apparecchio per la determinazione dei filtri e del tempo di esposi zione per processi fotografici a colori |
| IT1048562B (it) * | 1975-10-16 | 1980-12-20 | Durst Ag | Circuito di misura per un fotometro |
| US4061925A (en) * | 1976-02-20 | 1977-12-06 | Versatile Integrated Modules | Method and apparatus for measuring radiation from a plurality of light sources |
| US4201472A (en) * | 1977-04-04 | 1980-05-06 | Hitachi, Ltd. | Apparatus for converting light signals into digital electrical signals |
| IT1102903B (it) * | 1978-12-01 | 1985-10-14 | Durst Fabbrica Macchine Ed App | Fotometro |
| EP0020801A1 (de) * | 1979-06-15 | 1981-01-07 | Bodenseewerk Geosystem GmbH | Bifrequenz-Infrarotspektrometer |
| GB2068442B (en) * | 1980-01-29 | 1983-05-11 | Bfg Glassgroup | Window assembly |
| IT1154124B (it) * | 1980-08-22 | 1987-01-21 | Durst Spa Fabbrica Macchine Ed | Procedimento e dispositivo di misura della luce |
| DE3332750C2 (de) * | 1983-09-10 | 1991-03-28 | Detectron Elektronik GmbH & Co, 7131 Wurmberg | Farbmarkentaster |
| DE3522026A1 (de) * | 1985-06-20 | 1987-01-02 | Teldix Gmbh | Verfahren zur signalauswertung eines den sagnac-effekt nutzenden lichtleitfaserrotationssensors |
| DE3604971A1 (de) * | 1986-02-17 | 1987-08-20 | Messerschmitt Boelkow Blohm | Photosensoreinrichtung mit dunkelstromkompensation |
| US4851660A (en) * | 1988-01-12 | 1989-07-25 | Opcon, Inc. | Photoelectric compressed analog signal strength indicator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3084253A (en) * | 1960-09-06 | 1963-04-02 | Barnes Eng Co | Continuously self-calibrating differential detection system |
| FR2082477A5 (US08197722-20120612-C00042.png) * | 1970-03-17 | 1971-12-10 | Thomson Csf | |
| US3678269A (en) * | 1970-11-23 | 1972-07-18 | Metrophysics Inc | Method and apparatus for measuring radiation absorption in a fluid specimen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3575491A (en) * | 1968-10-16 | 1971-04-20 | Rca Corp | Decreasing response time of liquid crystals |
| DE2003247A1 (de) * | 1970-01-24 | 1971-07-29 | Leitz Ernst Gmbh | Schaltungsanordnung zur Stoersignalkompensation |
| US3684378A (en) * | 1970-09-04 | 1972-08-15 | Joseph S Lord | Dark current correction circuit for photosensing devices |
| JPS5017896Y2 (US08197722-20120612-C00042.png) * | 1971-07-05 | 1975-06-02 |
-
1973
- 1973-06-19 DE DE2331191A patent/DE2331191C2/de not_active Expired
- 1973-06-20 CH CH894773A patent/CH558008A/xx not_active IP Right Cessation
- 1973-06-22 JP JP48069906A patent/JPS4965265A/ja active Pending
- 1973-06-22 FR FR7322993A patent/FR2189724B1/fr not_active Expired
- 1973-06-25 GB GB3005273A patent/GB1435327A/en not_active Expired
- 1973-06-25 US US373391A patent/US3892493A/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3084253A (en) * | 1960-09-06 | 1963-04-02 | Barnes Eng Co | Continuously self-calibrating differential detection system |
| FR2082477A5 (US08197722-20120612-C00042.png) * | 1970-03-17 | 1971-12-10 | Thomson Csf | |
| US3678269A (en) * | 1970-11-23 | 1972-07-18 | Metrophysics Inc | Method and apparatus for measuring radiation absorption in a fluid specimen |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4965265A (US08197722-20120612-C00042.png) | 1974-06-25 |
| US3892493A (en) | 1975-07-01 |
| DE2331191C2 (de) | 1984-06-07 |
| GB1435327A (en) | 1976-05-12 |
| DE2331191A1 (de) | 1974-01-31 |
| CH558008A (de) | 1975-01-15 |
| FR2189724B1 (US08197722-20120612-C00042.png) | 1975-08-22 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |